PyROOT cannot open file: "Error in <TNetXNGFile::Open>: [FATAL] Auth failed"

ROOT
1

on macOS, in a ROOT session, I can open this file just fine:

$ root 
   -----------------------------------------------------------------
  | Welcome to ROOT 6.11/03                     http://root.cern.ch |
  |                                    (c) 1995-2017, The ROOT Team |
  | Built for macosx64                                              |
  | From heads/master@v6-11-02-3-g9bb8349ee6, Oct 10 2017, 13:40:35 |
  | Try '.help', '.demo', '.license', '.credits', '.quit'/'.q'      |
   -----------------------------------------------------------------

root [0] TFile * f = TFile::Open("root://eoslhcb.cern.ch//eos/lhcb/user/m/mwilkins/bfractions_fromGanga/data/Down16/548.100/DVnTuples.root")
(TFile *) 0x7fe5e5150790
root [1] TTree * t
(TTree *) nullptr
root [2] f->GetObject("Tuple_b2DsKMuX/DecayTree",t)
root [3] t->GetMaximum("B_MM")
(double) 7999.719469

But in python,

$ python
Python 2.7.10 (default, Jul 15 2017, 17:16:57) 
[GCC 4.2.1 Compatible Apple LLVM 9.0.0 (clang-900.0.31)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> from ROOT import TFile
>>> f = TFile.Open("root://eoslhcb.cern.ch//eos/lhcb/user/m/mwilkins/bfractions_fromGanga/data/Down16/548.100/DVnTuples.root")
Error in <TNetXNGFile::Open>: [FATAL] Auth failed

More info with export XRD_LOGLEVEL="Debug":

$ python
Python 2.7.10 (default, Jul 15 2017, 17:16:57) 
[GCC 4.2.1 Compatible Apple LLVM 9.0.0 (clang-900.0.31)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> import ROOT
>>> f = ROOT.TFile.Open('root://eoslhcb.cern.ch/eos/lhcb/user/m/mwilkins/bfractions_fromGanga/MC/Up16/579.0/DVnTuples.root')
[2017-10-17 17:26:50.750621 +0200][Warning][Utility           ] Unable to process global config file: [ERROR] OS Error: No such file or directory
[2017-10-17 17:26:50.750790 +0200][Debug  ][Utility           ] Unable to process user config file: [ERROR] OS Error: No such file or directory
[2017-10-17 17:26:50.750879 +0200][Info   ][Utility           ] Env: Importing from shell XRD_NETWORKSTACK=IPv4 as NetworkStack
[2017-10-17 17:26:50.751327 +0200][Debug  ][PlugInMgr         ] Initializing plug-in manager...
[2017-10-17 17:26:50.751359 +0200][Debug  ][PlugInMgr         ] No default plug-in, loading plug-in configs...
[2017-10-17 17:26:50.751368 +0200][Debug  ][PlugInMgr         ] Processing plug-in definitions in /etc/xrootd/client.plugins.d...
[2017-10-17 17:26:50.751390 +0200][Debug  ][PlugInMgr         ] Unable to process directory /etc/xrootd/client.plugins.d: [ERROR] OS Error: No such file or directory
[2017-10-17 17:26:50.751401 +0200][Debug  ][PlugInMgr         ] Processing plug-in definitions in /Users/michael/.xrootd/client.plugins.d...
[2017-10-17 17:26:50.751414 +0200][Debug  ][PlugInMgr         ] Unable to process directory /Users/michael/.xrootd/client.plugins.d: [ERROR] OS Error: No such file or directory
[2017-10-17 17:26:50.751422 +0200][Debug  ][Utility           ] Attempting to pre-load: libXrdSeckrb5.so
[2017-10-17 17:26:50.751763 +0200][Error  ][Utility           ] Unable to pre-load libXrdSeckrb5.so: Plugin unable to load libXrdSeckrb5-4.so; dlopen(libXrdSeckrb5-4.so, 256): image not found
[2017-10-17 17:26:50.751777 +0200][Debug  ][Utility           ] Attempting to pre-load: libXrdSecgsi.so
[2017-10-17 17:26:50.751884 +0200][Error  ][Utility           ] Unable to pre-load libXrdSecgsi.so: Plugin unable to load libXrdSecgsi-4.so; dlopen(libXrdSecgsi-4.so, 256): image not found
[2017-10-17 17:26:50.751902 +0200][Debug  ][Utility           ] Attempting to pre-load: libXrdSecgsiAuthzVO.so
[2017-10-17 17:26:50.751975 +0200][Error  ][Utility           ] Unable to pre-load libXrdSecgsiAuthzVO.so: Plugin unable to load libXrdSecgsiAuthzVO-4.so; dlopen(libXrdSecgsiAuthzVO-4.so, 256): image not found
[2017-10-17 17:26:50.751984 +0200][Debug  ][Utility           ] Attempting to pre-load: libXrdSecgsiGMAPDN.so
[2017-10-17 17:26:50.752042 +0200][Error  ][Utility           ] Unable to pre-load libXrdSecgsiGMAPDN.so: Plugin unable to load libXrdSecgsiGMAPDN-4.so; dlopen(libXrdSecgsiGMAPDN-4.so, 256): image not found
[2017-10-17 17:26:50.752050 +0200][Debug  ][Utility           ] Attempting to pre-load: libXrdSecpwd.so
[2017-10-17 17:26:50.752104 +0200][Error  ][Utility           ] Unable to pre-load libXrdSecpwd.so: Plugin unable to load libXrdSecpwd-4.so; dlopen(libXrdSecpwd-4.so, 256): image not found
[2017-10-17 17:26:50.752125 +0200][Debug  ][Utility           ] Attempting to pre-load: libXrdSecsss.so
[2017-10-17 17:26:50.752238 +0200][Error  ][Utility           ] Unable to pre-load libXrdSecsss.so: Plugin unable to load libXrdSecsss-4.so; dlopen(libXrdSecsss-4.so, 256): image not found
[2017-10-17 17:26:50.752249 +0200][Debug  ][Utility           ] Attempting to pre-load: libXrdSecunix.so
[2017-10-17 17:26:50.752325 +0200][Error  ][Utility           ] Unable to pre-load libXrdSecunix.so: Plugin unable to load libXrdSecunix-4.so; dlopen(libXrdSecunix-4.so, 256): image not found
[2017-10-17 17:26:50.804367 +0200][Debug  ][Utility           ] Env: overriding entry: MultiProtocol=0 with 1
[2017-10-17 17:26:50.804468 +0200][Debug  ][File              ] [0x1980cb80@root://eoslhcb.cern.ch:1094/eos/lhcb/user/m/mwilkins/bfractions_fromGanga/MC/Up16/579.0/DVnTuples.root] Sending an open command
[2017-10-17 17:26:50.804692 +0200][Debug  ][Poller            ] Available pollers: built-in
[2017-10-17 17:26:50.804714 +0200][Debug  ][Poller            ] Attempting to create a poller according to preference: built-in
[2017-10-17 17:26:50.804726 +0200][Debug  ][Poller            ] Creating poller: built-in
[2017-10-17 17:26:50.804732 +0200][Debug  ][Poller            ] Creating and starting the built-in poller...
[2017-10-17 17:26:50.804918 +0200][Debug  ][Poller            ] Using 1 poller threads
[2017-10-17 17:26:50.804948 +0200][Debug  ][TaskMgr           ] Starting the task manager...
[2017-10-17 17:26:50.804989 +0200][Debug  ][TaskMgr           ] Task manager started
[2017-10-17 17:26:50.804994 +0200][Debug  ][JobMgr            ] Starting the job manager...
[2017-10-17 17:26:50.805051 +0200][Debug  ][JobMgr            ] Job manager started, 3 workers
[2017-10-17 17:26:50.805068 +0200][Debug  ][TaskMgr           ] Registering task: "FileTimer task" to be run at: [2017-10-17 17:26:50 +0200]
[2017-10-17 17:26:50.805101 +0200][Debug  ][PostMaster        ] Creating new channel to: eoslhcb.cern.ch:1094 1 stream(s)
[2017-10-17 17:26:50.805119 +0200][Debug  ][PostMaster        ] [eoslhcb.cern.ch:1094 #0] Stream parameters: Network Stack: IPv4, Connection Window: 120, ConnectionRetry: 5, Stream Error Widnow: 1800
[2017-10-17 17:26:50.805902 +0200][Debug  ][TaskMgr           ] Registering task: "TickGeneratorTask for: eoslhcb.cern.ch:1094" to be run at: [2017-10-17 17:27:05 +0200]
[2017-10-17 17:26:50.806193 +0200][Debug  ][PostMaster        ] [eoslhcb.cern.ch:1094] Found 1 address(es): [::ffff:188.184.38.44]:1094
[2017-10-17 17:26:50.806242 +0200][Debug  ][AsyncSock         ] [eoslhcb.cern.ch:1094 #0.0] Attempting connection to [::ffff:188.184.38.44]:1094
[2017-10-17 17:26:50.806356 +0200][Debug  ][Poller            ] Adding socket 0x181a77f0 to the poller
[2017-10-17 17:26:50.820920 +0200][Debug  ][AsyncSock         ] [eoslhcb.cern.ch:1094 #0.0] Async connection call returned
[2017-10-17 17:26:50.821055 +0200][Debug  ][XRootDTransport   ] [eoslhcb.cern.ch:1094 #0.0] Sending out the initial hand shake + kXR_protocol
[2017-10-17 17:26:50.824266 +0200][Debug  ][XRootDTransport   ] [eoslhcb.cern.ch:1094 #0.0] Got the server hand shake response (type: manager [], protocol version 310)
[2017-10-17 17:26:50.824353 +0200][Debug  ][XRootDTransport   ] [eoslhcb.cern.ch:1094 #0.0] kXR_protocol successful (type: manager [], protocol version 310)
[2017-10-17 17:26:50.827811 +0200][Debug  ][XRootDTransport   ] [eoslhcb.cern.ch:1094 #0.0] Sending out kXR_login request, username: michael, cgi: ?xrd.cc=ch&xrd.tz=1&xrd.appname=Python&xrd.info=&xrd.hostname=michaelsmacbookpro.dyndns.cern.ch&xrd.rn=v4.6.1, dual-stack: false, private IPv4: false, private IPv6: false
[2017-10-17 17:26:50.830363 +0200][Debug  ][XRootDTransport   ] [eoslhcb.cern.ch:1094 #0.0] Logged in, session: 7da13d00a36c0000d40300004ca23d00
[2017-10-17 17:26:50.830416 +0200][Debug  ][XRootDTransport   ] [eoslhcb.cern.ch:1094 #0.0] Authentication is required: &P=krb5,xrootd/eoslhcb.cern.ch@CERN.CH&P=gsi,v:10300,c:ssl,ca:5168735f.0|4339b4bc.0&P=unix&P=sss,0.13:/etc/eos.keytab
[2017-10-17 17:26:50.830435 +0200][Debug  ][XRootDTransport   ] [eoslhcb.cern.ch:1094 #0.0] Sending authentication data
[2017-10-17 17:26:50.831967 +0200][Error  ][XRootDTransport   ] Unable to get the security framework: Plugin dlopen(libXrdSec-4.so, 256): image not found seclib libXrdSec-4.so
[2017-10-17 17:26:50.832032 +0200][Error  ][AsyncSock         ] [eoslhcb.cern.ch:1094 #0.0] Socket error while handshaking: [FATAL] Auth failed
[2017-10-17 17:26:50.832049 +0200][Debug  ][AsyncSock         ] [eoslhcb.cern.ch:1094 #0.0] Closing the socket
[2017-10-17 17:26:50.832106 +0200][Debug  ][Poller            ] <[::ffff:128.141.238.18]:60180><--><[::ffff:188.184.38.44]:1094> Removing socket from the poller
[2017-10-17 17:26:50.832401 +0200][Error  ][PostMaster        ] [eoslhcb.cern.ch:1094 #0] Unable to recover: [FATAL] Auth failed.
[2017-10-17 17:26:50.832730 +0200][Error  ][XRootD            ] [eoslhcb.cern.ch:1094] Impossible to send message kXR_open (file: eos/lhcb/user/m/mwilkins/bfractions_fromGanga/MC/Up16/579.0/DVnTuples.root, mode: 00, flags: kXR_open_read kXR_async kXR_retstat ). Trying to recover.
[2017-10-17 17:26:50.832787 +0200][Debug  ][XRootD            ] [eoslhcb.cern.ch:1094] Handling error while processing kXR_open (file: eos/lhcb/user/m/mwilkins/bfractions_fromGanga/MC/Up16/579.0/DVnTuples.root, mode: 00, flags: kXR_open_read kXR_async kXR_retstat ): [FATAL] Auth failed.
[2017-10-17 17:26:50.832890 +0200][Debug  ][File              ] [0x1980cb80@root://eoslhcb.cern.ch:1094/eos/lhcb/user/m/mwilkins/bfractions_fromGanga/MC/Up16/579.0/DVnTuples.root] Open has returned with status [FATAL] Auth failed
[2017-10-17 17:26:50.832998 +0200][Debug  ][File              ] [0x1980cb80@root://eoslhcb.cern.ch:1094/eos/lhcb/user/m/mwilkins/bfractions_fromGanga/MC/Up16/579.0/DVnTuples.root] Error while opening at eoslhcb.cern.ch:1094: [FATAL] Auth failed
[2017-10-17 17:26:50.833036 +0200][Debug  ][Utility           ] Monitor library name not set. No monitoring
Error in <TNetXNGFile::Open>: [FATAL] Auth failed
2

Looks like this is your issue?

3

Right, but I’m not sure what to do about it.

4

I wonder if all these errors are related to your SIP issue.

5

Sorry, I’m not really sure what SIP means or how to proceed if these problems are related.

6

SIP is the System Integrity Protection discussed in your other topic. I’m not positive that this issue is related, but if they are then you would need to rebuild ROOT against a version of python that does not have SIP.

7

No luck.

$ python2
Python 2.7.14 (default, Sep 25 2017, 09:54:19) 
[GCC 4.2.1 Compatible Apple LLVM 9.0.0 (clang-900.0.37)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> import ROOT
Fatal Python error: PyThreadState_Get: no current thread
Abort trap: 6
$ which python2
/usr/local/bin/python2
$ cd /Applications/root_build/
$ cmake ../root -DPYTHON_EXECUTABLE=/usr/local/bin/python2
-- Found a Mac OS X System 10.13
-- Found a 64bit system
-- Found LLVM compiler collection
-- ROOT Platform: macosx
-- ROOT Architecture: macosx64
-- Build Type: RelWithDebInfo
-- Compiler Flags:  -Wc++11-narrowing -Wsign-compare -Wsometimes-uninitialized -Wconditional-uninitialized -Wheader-guard -Warray-bounds -Wcomment -Wtautological-compare -Wstrncat-size -Wloop-analysis -Wbool-conversion -m64 -pipe -W -Wshadow -Wall -Woverloaded-virtual -fsigned-char -fno-common -Qunused-arguments -pthread -std=c++11 -stdlib=libc++ -O2 -g -DNDEBUG
-- Looking for ZLib
-- Building freetype version 2.6.1 included in ROOT itself
-- Building pcre version 8.37 included in ROOT itself
-- Building LZMA version 5.2.1 included in ROOT itself
-- Building LZ4 version v1.7.5 included in ROOT itself
-- Could NOT find GIF (missing: GIF_LIBRARY GIF_INCLUDE_DIR) 
-- Could NOT find TIFF (missing: TIFF_LIBRARY TIFF_INCLUDE_DIR) 
-- Could NOT find PNG (missing: PNG_LIBRARY PNG_PNG_INCLUDE_DIR) 
-- Building AfterImage library included in ROOT itself
-- Looking for Python
-- Found PythonInterp: /usr/local/bin/python2 (found version "2.7.14") 
-- Found Python interpreter version 2.7
-- Looking for OpenGL
-- Looking for Bonjour
-- Checking whether Bonjour/Avahi is supported
-- Looking for Kerberos 5
-- Looking for LibXml2
-- Looking for SQLite
-- Could NOT find PkgConfig (missing: PKG_CONFIG_EXECUTABLE) 
-- Downloading and building XROOTD version 
-- Looking for BLAS for optional parts of TMVA
-- A library with BLAS API found.
-- Enabled support for:  asimage astiff bonjour builtin_afterimage builtin_freetype builtin_ftgl builtin_gl2ps builtin_glew builtin_llvm builtin_lzma builtin_lz4 builtin_pcre builtin_tbb builtin_unuran builtin_veccore builtin_xrootd cling cocoa cxx11 exceptions explicitlink fortran gdml genvector http imt krb5 ldap libcxx memstat minuit2 opengl pch python roofit shared sqlite table thread tmva unuran veccore xml xrootd
-- Found libtool - /Library/Developer/CommandLineTools/usr/bin/libtool
-- Native target architecture is X86
-- Threads disabled.
-- Doxygen disabled.
-- Go bindings disabled.
-- Found ld64 - /Library/Developer/CommandLineTools/usr/bin/ld
-- Could NOT find OCaml (missing: OCAMLFIND OCAML_VERSION OCAML_STDLIB_PATH) 
-- Could NOT find OCaml (missing: OCAMLFIND OCAML_VERSION OCAML_STDLIB_PATH) 
-- OCaml bindings disabled.
-- LLVM host triple: x86_64-apple-darwin17.0.0
-- LLVM default target triple: x86_64-apple-darwin17.0.0
-- Building with -fPIC
-- Constructing LLVMBuild project information
-- Targeting X86
-- Could NOT find Z3 (missing: Z3_LIBRARIES Z3_INCLUDE_DIR) (Required is at least version "4.5")
-- Clang version: 5.0.0
-- Cling version (from VERSION file): ROOT_0.5~dev
-- Cling will look for C++ headers in '/Library/Developer/CommandLineTools/usr/include/c++/v1' at runtime.
-- And if not found, will invoke: '/Library/Developer/CommandLineTools/usr/bin/c++ ' for them.
-- TMVA: Deactivate PyMVA because numpy is not found
-- Configuring done
-- Generating done
-- Build files have been written to: /Applications/root_build
$ python2
Python 2.7.14 (default, Sep 25 2017, 09:54:19) 
[GCC 4.2.1 Compatible Apple LLVM 9.0.0 (clang-900.0.37)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> import ROOT
Fatal Python error: PyThreadState_Get: no current thread
Abort trap: 6

Moreover, this seems to have broken ROOT for my main python, even after doing $ cmake ../root -DPYTHON_EXECUTABLE=/usr/bin/python:

$ python
Python 2.7.10 (default, Jul 15 2017, 17:16:57) 
[GCC 4.2.1 Compatible Apple LLVM 9.0.0 (clang-900.0.31)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> import ROOT
error: unable to read PCH file /Applications/root_build/etc/allDict.cxx.pch: 'No such
      file or directory'
fatal error: PCH file '/Applications/root_build/etc/allDict.cxx.pch' not found: module file
      not found

 *** Break *** segmentation violation
[/usr/lib/system/libsystem_platform.dylib] _sigtramp (no debug info)
[<unknown binary>] (no debug info)
[/Applications/root_build/lib/libCling.so] cling::IncrementalParser::ParseInternal(llvm::StringRef) (no debug info)
[/Applications/root_build/lib/libCling.so] cling::IncrementalParser::Compile(llvm::StringRef, cling::CompilationOptions const&) (no debug info)
[/Applications/root_build/lib/libCling.so] cling::Interpreter::declare(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> > const&, cling::Transaction**) (no debug info)
[/Applications/root_build/lib/libCling.so] TCling::TCling(char const*, char const*) /Library/Developer/CommandLineTools/usr/include/c++/v1/string:1213
[/Applications/root_build/lib/libCling.so] CreateInterpreter /Applications/root/core/metacling/src/TCling.cxx:641
[/Applications/root_build/lib/libCore.so] TROOT::InitInterpreter() /Applications/root/core/base/src/TROOT.cxx:2005
[/Applications/root_build/lib/libCore.so] ROOT::Internal::GetROOT2() /Applications/root/core/base/src/TROOT.cxx:386
[/Applications/root_build/lib/libPyROOT.so] PyROOT::InitRoot() /Applications/root_build/include/TROOT.h:253
[/Applications/root_build/lib/libPyROOT.so] initlibPyROOT /Applications/root/bindings/pyroot/src/RootModule.cxx:942
[/System/Library/Frameworks/Python.framework/Versions/2.7/Python] _PyImport_LoadDynamicModule (no debug info)
[/System/Library/Frameworks/Python.framework/Versions/2.7/Python] (no debug info)
[/System/Library/Frameworks/Python.framework/Versions/2.7/Python] (no debug info)
[/System/Library/Frameworks/Python.framework/Versions/2.7/Python] PyImport_ImportModuleLevel (no debug info)
[/System/Library/Frameworks/Python.framework/Versions/2.7/Python] (no debug info)
[/System/Library/Frameworks/Python.framework/Versions/2.7/Python] PyObject_Call (no debug info)
[/System/Library/Frameworks/Python.framework/Versions/2.7/Python] PyEval_CallObjectWithKeywords (no debug info)
[/System/Library/Frameworks/Python.framework/Versions/2.7/Python] PyEval_EvalFrameEx (no debug info)
[/System/Library/Frameworks/Python.framework/Versions/2.7/Python] PyEval_EvalCodeEx (no debug info)
[/System/Library/Frameworks/Python.framework/Versions/2.7/Python] PyEval_EvalCode (no debug info)
[/System/Library/Frameworks/Python.framework/Versions/2.7/Python] PyImport_ExecCodeModuleEx (no debug info)
[/System/Library/Frameworks/Python.framework/Versions/2.7/Python] (no debug info)
[/System/Library/Frameworks/Python.framework/Versions/2.7/Python] (no debug info)
[/System/Library/Frameworks/Python.framework/Versions/2.7/Python] (no debug info)
[/System/Library/Frameworks/Python.framework/Versions/2.7/Python] PyImport_ImportModuleLevel (no debug info)
[/System/Library/Frameworks/Python.framework/Versions/2.7/Python] (no debug info)
[/System/Library/Frameworks/Python.framework/Versions/2.7/Python] PyObject_Call (no debug info)
[/System/Library/Frameworks/Python.framework/Versions/2.7/Python] PyEval_CallObjectWithKeywords (no debug info)
[/System/Library/Frameworks/Python.framework/Versions/2.7/Python] PyEval_EvalFrameEx (no debug info)
[/System/Library/Frameworks/Python.framework/Versions/2.7/Python] PyEval_EvalCodeEx (no debug info)
[/System/Library/Frameworks/Python.framework/Versions/2.7/Python] PyEval_EvalCode (no debug info)
[/System/Library/Frameworks/Python.framework/Versions/2.7/Python] PyImport_ExecCodeModuleEx (no debug info)
[/System/Library/Frameworks/Python.framework/Versions/2.7/Python] (no debug info)
[/System/Library/Frameworks/Python.framework/Versions/2.7/Python] (no debug info)
[/System/Library/Frameworks/Python.framework/Versions/2.7/Python] (no debug info)
[/System/Library/Frameworks/Python.framework/Versions/2.7/Python] PyImport_ImportModuleLevel (no debug info)
[/System/Library/Frameworks/Python.framework/Versions/2.7/Python] (no debug info)
[/System/Library/Frameworks/Python.framework/Versions/2.7/Python] PyObject_Call (no debug info)
[/System/Library/Frameworks/Python.framework/Versions/2.7/Python] PyEval_CallObjectWithKeywords (no debug info)
[/System/Library/Frameworks/Python.framework/Versions/2.7/Python] PyEval_EvalFrameEx (no debug info)
[/System/Library/Frameworks/Python.framework/Versions/2.7/Python] PyEval_EvalCodeEx (no debug info)
[/System/Library/Frameworks/Python.framework/Versions/2.7/Python] PyEval_EvalCode (no debug info)
[/System/Library/Frameworks/Python.framework/Versions/2.7/Python] (no debug info)
[/System/Library/Frameworks/Python.framework/Versions/2.7/Python] PyRun_InteractiveOneFlags (no debug info)
[/System/Library/Frameworks/Python.framework/Versions/2.7/Python] PyRun_InteractiveLoopFlags (no debug info)
[/System/Library/Frameworks/Python.framework/Versions/2.7/Python] PyRun_AnyFileExFlags (no debug info)
[/System/Library/Frameworks/Python.framework/Versions/2.7/Python] Py_Main (no debug info)
[/usr/lib/system/libdyld.dylib] start (no debug info)
$ which python
/usr/bin/python
8

It looks as though you haven’t finished compiling ROOT. After cmake you need to call make. https://root.cern.ch/building-root

9

Yes, what @ksmith said, plus if you have multiple versions of ROOT installed, you may have things pointing to the wrong version, or picking up mixed files from different versions. The problem is that ROOT cannot find the PCH (a precompiled blob of headers to speedup execution). How are you using ROOT, installed or from the build directory?

10

@ksmith @amadio Yes, sorry, what I get for working exhausted.
@amadio I’m using ROOT from the build directory:

$ which root
/Applications/root_build/bin/root

But I’m afraid making doesn’t solve the problem. If I cmake against python2 (which I think is the homebrew version):

$ cd /Applications/root_build/
$ cmake ../root -DPYTHON_EXECUTABLE=/usr/local/bin/python2
-- Found a Mac OS X System 10.13
-- Found a 64bit system
-- Found LLVM compiler collection
-- ROOT Platform: macosx
-- ROOT Architecture: macosx64
-- Build Type: RelWithDebInfo
-- Compiler Flags:  -Wc++11-narrowing -Wsign-compare -Wsometimes-uninitialized -Wconditional-uninitialized -Wheader-guard -Warray-bounds -Wcomment -Wtautological-compare -Wstrncat-size -Wloop-analysis -Wbool-conversion -m64 -pipe -W -Wshadow -Wall -Woverloaded-virtual -fsigned-char -fno-common -Qunused-arguments -pthread -std=c++11 -stdlib=libc++ -O2 -g -DNDEBUG
-- Looking for ZLib
-- Building freetype version 2.6.1 included in ROOT itself
-- Building pcre version 8.37 included in ROOT itself
-- Building LZMA version 5.2.1 included in ROOT itself
-- Building LZ4 version v1.7.5 included in ROOT itself
-- Could NOT find GIF (missing: GIF_LIBRARY GIF_INCLUDE_DIR) 
-- Could NOT find TIFF (missing: TIFF_LIBRARY TIFF_INCLUDE_DIR) 
-- Could NOT find PNG (missing: PNG_LIBRARY PNG_PNG_INCLUDE_DIR) 
-- Building AfterImage library included in ROOT itself
-- Looking for Python
-- Found PythonInterp: /usr/local/bin/python2 (found version "2.7.14") 
-- Found Python interpreter version 2.7
-- Looking for OpenGL
-- Looking for Bonjour
-- Checking whether Bonjour/Avahi is supported
-- Looking for Kerberos 5
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-- A library with BLAS API found.
-- Enabled support for:  asimage astiff bonjour builtin_afterimage builtin_freetype builtin_ftgl builtin_gl2ps builtin_glew builtin_llvm builtin_lzma builtin_lz4 builtin_pcre builtin_tbb builtin_unuran builtin_veccore builtin_xrootd cling cocoa cxx11 exceptions explicitlink fortran gdml genvector http imt krb5 ldap libcxx memstat minuit2 opengl pch python roofit shared sqlite table thread tmva unuran veccore xml xrootd
-- Found libtool - /Library/Developer/CommandLineTools/usr/bin/libtool
-- Native target architecture is X86
-- Threads disabled.
-- Doxygen disabled.
-- Go bindings disabled.
-- Found ld64 - /Library/Developer/CommandLineTools/usr/bin/ld
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-- Clang version: 5.0.0
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-- Cling will look for C++ headers in '/Library/Developer/CommandLineTools/usr/include/c++/v1' at runtime.
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-- TMVA: Deactivate PyMVA because numpy is not found
-- Configuring done
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$ root
   -----------------------------------------------------------------
  | Welcome to ROOT 6.11/03                     http://root.cern.ch |
  |                                    (c) 1995-2017, The ROOT Team |
  | Built for macosx64                                              |
  | From heads/master@v6-11-02-3-g9bb8349ee6, Oct 10 2017, 13:40:35 |
  | Try '.help', '.demo', '.license', '.credits', '.quit'/'.q'      |
   -----------------------------------------------------------------

root [0] .q

So far so good. I have to fix the relative rpaths again, as in my previous thread, and then:

$ python
Python 2.7.10 (default, Jul 15 2017, 17:16:57) 
[GCC 4.2.1 Compatible Apple LLVM 9.0.0 (clang-900.0.31)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> import ROOT; f = ROOT.TFile.Open('root://eoslhcb.cern.ch/eos/lhcb/user/m/mwilkins/bfractions_fromGanga/MC/Up16/579.0/DVnTuples.root')
Error in <TNetXNGFile::Open>: [FATAL] Auth failed

System python gives me the same error as before. But python2:

$ python2
Python 2.7.14 (default, Sep 25 2017, 09:54:19) 
[GCC 4.2.1 Compatible Apple LLVM 9.0.0 (clang-900.0.37)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> import ROOT; f = ROOT.TFile.Open('root://eoslhcb.cern.ch/eos/lhcb/user/m/mwilkins/bfractions_fromGanga/MC/Up16/579.0/DVnTuples.root')
Fatal Python error: PyThreadState_Get: no current thread
Abort trap: 6

doesn’t work at all. FYI:

$ which python
/usr/bin/python
$ which python2
/usr/local/bin/python2
11

Where are you trying to run it? Are you sure this is not a firewall issue given the Auth failed error?
For the second error, your python2 seems to require threads to be enabled, while your ROOT has them disabled

...
-- Native target architecture is X86
*-- Threads disabled.*
-- Doxygen disabled.
-- Go bindings disabled.
...
12

The Auth failed error still occurs with the firewall turned off. Do you know how to enable threads in ROOT?

13

The firewall is on CERN’s side, so if you are outside of CERN, you probably cannot disable it or get around it.

As for enabling threads in ROOT, just do cmake . -Dthread=ON -Dimt=ON and recompile.
For more information about all the options, please have a look at https://root.cern.ch/building-root.

14

Surely it’s not the CERN firewall? I can access fine from a normal ROOT session, after all, and this is supposed to be a supported way of accessing files.

I get the same result after using those compiler changes:

Build ROOT:

$ cd /Applications/root_build/
$ cmake ../root -Dthread=ON -Dimt=ON -DPYTHON_EXECUTABLE=/usr/local/bin/python2
-- Found a Mac OS X System 10.13
-- Found a 64bit system
-- Found LLVM compiler collection
-- ROOT Platform: macosx
-- ROOT Architecture: macosx64
-- Build Type: RelWithDebInfo
-- Compiler Flags:  -Wc++11-narrowing -Wsign-compare -Wsometimes-uninitialized -Wconditional-uninitialized -Wheader-guard -Warray-bounds -Wcomment -Wtautological-compare -Wstrncat-size -Wloop-analysis -Wbool-conversion -m64 -pipe -W -Wshadow -Wall -Woverloaded-virtual -fsigned-char -fno-common -Qunused-arguments -pthread -std=c++11 -stdlib=libc++ -O2 -g -DNDEBUG
-- Looking for ZLib
-- Building freetype version 2.6.1 included in ROOT itself
-- Building pcre version 8.37 included in ROOT itself
-- Building LZMA version 5.2.1 included in ROOT itself
-- Building LZ4 version v1.7.5 included in ROOT itself
-- Could NOT find GIF (missing: GIF_LIBRARY GIF_INCLUDE_DIR) 
-- Could NOT find TIFF (missing: TIFF_LIBRARY TIFF_INCLUDE_DIR) 
-- Could NOT find PNG (missing: PNG_LIBRARY PNG_PNG_INCLUDE_DIR) 
-- Building AfterImage library included in ROOT itself
-- Looking for Python
-- Found Python interpreter version 2.7
-- Looking for OpenGL
-- Looking for Bonjour
-- Checking whether Bonjour/Avahi is supported
-- Looking for Kerberos 5
-- Looking for LibXml2
-- Looking for SQLite
-- Could NOT find PkgConfig (missing: PKG_CONFIG_EXECUTABLE) 
-- Downloading and building XROOTD version 
-- Looking for BLAS for optional parts of TMVA
-- A library with BLAS API found.
-- Enabled support for:  asimage astiff bonjour builtin_afterimage builtin_freetype builtin_ftgl builtin_gl2ps builtin_glew builtin_llvm builtin_lzma builtin_lz4 builtin_pcre builtin_tbb builtin_unuran builtin_veccore builtin_xrootd cling cocoa cxx11 exceptions explicitlink fortran gdml genvector http imt krb5 ldap libcxx memstat minuit2 opengl pch python roofit shared sqlite table thread tmva unuran veccore xml xrootd
-- Found libtool - /Library/Developer/CommandLineTools/usr/bin/libtool
-- Native target architecture is X86
-- Threads disabled.
-- Doxygen disabled.
-- Go bindings disabled.
-- Found ld64 - /Library/Developer/CommandLineTools/usr/bin/ld
-- Could NOT find OCaml (missing: OCAMLFIND OCAML_VERSION OCAML_STDLIB_PATH) 
-- Could NOT find OCaml (missing: OCAMLFIND OCAML_VERSION OCAML_STDLIB_PATH) 
-- OCaml bindings disabled.
-- LLVM host triple: x86_64-apple-darwin17.0.0
-- LLVM default target triple: x86_64-apple-darwin17.0.0
-- Building with -fPIC
-- Constructing LLVMBuild project information
-- Targeting X86
-- Could NOT find Z3 (missing: Z3_LIBRARIES Z3_INCLUDE_DIR) (Required is at least version "4.5")
-- Clang version: 5.0.0
-- Cling version (from VERSION file): ROOT_0.5~dev
-- Cling will look for C++ headers in '/Library/Developer/CommandLineTools/usr/include/c++/v1' at runtime.
-- And if not found, will invoke: '/Library/Developer/CommandLineTools/usr/bin/c++ ' for them.
-- TMVA: Deactivate PyMVA because numpy is not found
-- Configuring done
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-- Build files have been written to: /Applications/root_build
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Try in python:

$ python
Python 2.7.10 (default, Jul 15 2017, 17:16:57) 
[GCC 4.2.1 Compatible Apple LLVM 9.0.0 (clang-900.0.31)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> import ROOT; f = ROOT.TFile.Open('root://eoslhcb.cern.ch/eos/lhcb/user/m/mwilkins/bfractions_fromGanga/MC/Up16/579.0/DVnTuples.root')
Error in <TNetXNGFile::Open>: [FATAL] Auth failed
>>> ^D

Curiously, I didn’t have to do the install_name_tool fix this time.
python2:

$ python2
Python 2.7.14 (default, Sep 25 2017, 09:54:19) 
[GCC 4.2.1 Compatible Apple LLVM 9.0.0 (clang-900.0.37)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> import ROOT; f = ROOT.TFile.Open('root://eoslhcb.cern.ch/eos/lhcb/user/m/mwilkins/bfractions_fromGanga/MC/Up16/579.0/DVnTuples.root')
Fatal Python error: PyThreadState_Get: no current thread
Abort trap: 6
15

Dear All,

Sorry for entering the thread only now.
The initial post shows that there is a problem, appearing only in Python, to load the XRootD authentication framework and related plug-ins. This is, in my opinion, what has to be unsterstood.
I would start by the python export XRD_LOGLEVEL="Debug" with the same in C++ . This may give indication where things start to break.

G Ganis

16

@ksmith Yeah, it looks like you’re right: there are extensive problems with the SIP. Latest issue:

cling::DynamicLibraryManager::loadLibrary(): dlopen(<path/to/>RooThreshold_cxx.so, 9): Library not loaded: @rpath/libRooFitCore.so
  Referenced from: </path/to/>RooThreshold_cxx.so
  Reason: image not found

So: Is this a real bug in ROOT? It seems like one to me.

17

@ganis you can see the debug level python output in my initial post, but I’ll reproduce it (so you can see the current state of things) and the C++ output here:

C++:

$ root
   -----------------------------------------------------------------
  | Welcome to ROOT 6.11/03                     http://root.cern.ch |
  |                                    (c) 1995-2017, The ROOT Team |
  | Built for macosx64                                              |
  | From heads/master@v6-11-02-3-g9bb8349ee6, Oct 10 2017, 13:40:35 |
  | Try '.help', '.demo', '.license', '.credits', '.quit'/'.q'      |
   -----------------------------------------------------------------

root [0] TFile * f = TFile::Open("root://eoslhcb.cern.ch//eos/lhcb/user/m/mwilkins/bfractions_fromGanga/data/Down16/548.100/DVnTuples.root")
[2017-10-18 12:48:24.227081 +0200][Warning][Utility           ] Unable to process global config file: [ERROR] OS Error: No such file or directory
[2017-10-18 12:48:24.227152 +0200][Debug  ][Utility           ] Unable to process user config file: [ERROR] OS Error: No such file or directory
[2017-10-18 12:48:24.227242 +0200][Info   ][Utility           ] Env: Importing from shell XRD_NETWORKSTACK=IPv4 as NetworkStack
[2017-10-18 12:48:24.227282 +0200][Debug  ][PlugInMgr         ] Initializing plug-in manager...
[2017-10-18 12:48:24.227301 +0200][Debug  ][PlugInMgr         ] No default plug-in, loading plug-in configs...
[2017-10-18 12:48:24.227309 +0200][Debug  ][PlugInMgr         ] Processing plug-in definitions in /etc/xrootd/client.plugins.d...
[2017-10-18 12:48:24.227329 +0200][Debug  ][PlugInMgr         ] Unable to process directory /etc/xrootd/client.plugins.d: [ERROR] OS Error: No such file or directory
[2017-10-18 12:48:24.227340 +0200][Debug  ][PlugInMgr         ] Processing plug-in definitions in /Users/michael/.xrootd/client.plugins.d...
[2017-10-18 12:48:24.227350 +0200][Debug  ][PlugInMgr         ] Unable to process directory /Users/michael/.xrootd/client.plugins.d: [ERROR] OS Error: No such file or directory
[2017-10-18 12:48:24.227358 +0200][Debug  ][Utility           ] Attempting to pre-load: libXrdSeckrb5.so
[2017-10-18 12:48:24.228599 +0200][Debug  ][Utility           ] Attempting to pre-load: libXrdSecgsi.so
[2017-10-18 12:48:24.229985 +0200][Debug  ][Utility           ] Attempting to pre-load: libXrdSecgsiAuthzVO.so
[2017-10-18 12:48:24.231116 +0200][Debug  ][Utility           ] Attempting to pre-load: libXrdSecgsiGMAPDN.so
[2017-10-18 12:48:24.232277 +0200][Debug  ][Utility           ] Attempting to pre-load: libXrdSecpwd.so
[2017-10-18 12:48:24.233269 +0200][Debug  ][Utility           ] Attempting to pre-load: libXrdSecsss.so
[2017-10-18 12:48:24.234296 +0200][Debug  ][Utility           ] Attempting to pre-load: libXrdSecunix.so
[2017-10-18 12:48:24.369715 +0200][Debug  ][Utility           ] Env: overriding entry: MultiProtocol=0 with 1
[2017-10-18 12:48:24.369801 +0200][Debug  ][File              ] [0x367fbe40@root://eoslhcb.cern.ch:1094//eos/lhcb/user/m/mwilkins/bfractions_fromGanga/data/Down16/548.100/DVnTuples.root] Sending an open command
[2017-10-18 12:48:24.369860 +0200][Debug  ][Poller            ] Available pollers: built-in
[2017-10-18 12:48:24.369867 +0200][Debug  ][Poller            ] Attempting to create a poller according to preference: built-in
[2017-10-18 12:48:24.369874 +0200][Debug  ][Poller            ] Creating poller: built-in
[2017-10-18 12:48:24.369879 +0200][Debug  ][Poller            ] Creating and starting the built-in poller...
[2017-10-18 12:48:24.370012 +0200][Debug  ][Poller            ] Using 1 poller threads
[2017-10-18 12:48:24.370040 +0200][Debug  ][TaskMgr           ] Starting the task manager...
[2017-10-18 12:48:24.370086 +0200][Debug  ][TaskMgr           ] Task manager started
[2017-10-18 12:48:24.370092 +0200][Debug  ][JobMgr            ] Starting the job manager...
[2017-10-18 12:48:24.370119 +0200][Debug  ][JobMgr            ] Job manager started, 3 workers
[2017-10-18 12:48:24.370128 +0200][Debug  ][TaskMgr           ] Registering task: "FileTimer task" to be run at: [2017-10-18 12:48:24 +0200]
[2017-10-18 12:48:24.370145 +0200][Debug  ][PostMaster        ] Creating new channel to: eoslhcb.cern.ch:1094 1 stream(s)
[2017-10-18 12:48:24.370157 +0200][Debug  ][PostMaster        ] [eoslhcb.cern.ch:1094 #0] Stream parameters: Network Stack: IPv4, Connection Window: 120, ConnectionRetry: 5, Stream Error Widnow: 1800
[2017-10-18 12:48:24.370877 +0200][Debug  ][TaskMgr           ] Registering task: "TickGeneratorTask for: eoslhcb.cern.ch:1094" to be run at: [2017-10-18 12:48:39 +0200]
[2017-10-18 12:48:24.371154 +0200][Debug  ][PostMaster        ] [eoslhcb.cern.ch:1094] Found 1 address(es): [::ffff:188.184.38.44]:1094
[2017-10-18 12:48:24.371197 +0200][Debug  ][AsyncSock         ] [eoslhcb.cern.ch:1094 #0.0] Attempting connection to [::ffff:188.184.38.44]:1094
[2017-10-18 12:48:24.371338 +0200][Debug  ][Poller            ] Adding socket 0x38938fa0 to the poller
[2017-10-18 12:48:24.392193 +0200][Debug  ][AsyncSock         ] [eoslhcb.cern.ch:1094 #0.0] Async connection call returned
[2017-10-18 12:48:24.392350 +0200][Debug  ][XRootDTransport   ] [eoslhcb.cern.ch:1094 #0.0] Sending out the initial hand shake + kXR_protocol
[2017-10-18 12:48:24.408268 +0200][Debug  ][XRootDTransport   ] [eoslhcb.cern.ch:1094 #0.0] Got the server hand shake response (type: manager [], protocol version 310)
[2017-10-18 12:48:24.408347 +0200][Debug  ][XRootDTransport   ] [eoslhcb.cern.ch:1094 #0.0] kXR_protocol successful (type: manager [], protocol version 310)
[2017-10-18 12:48:24.412157 +0200][Debug  ][XRootDTransport   ] [eoslhcb.cern.ch:1094 #0.0] Sending out kXR_login request, username: michael, cgi: ?xrd.cc=ch&xrd.tz=1&xrd.appname=root.exe&xrd.info=&xrd.hostname=michaelsmacbookpro.dyndns.cern.ch&xrd.rn=v4.6.1, dual-stack: false, private IPv4: false, private IPv6: false
[2017-10-18 12:48:24.413201 +0200][Debug  ][XRootDTransport   ] [eoslhcb.cern.ch:1094 #0.0] Logged in, session: d1e20100674b0000ce00000094e30100
[2017-10-18 12:48:24.413227 +0200][Debug  ][XRootDTransport   ] [eoslhcb.cern.ch:1094 #0.0] Authentication is required: &P=krb5,xrootd/eoslhcb.cern.ch@CERN.CH&P=gsi,v:10300,c:ssl,ca:5168735f.0|4339b4bc.0&P=unix&P=sss,0.13:/etc/eos.keytab
[2017-10-18 12:48:24.413244 +0200][Debug  ][XRootDTransport   ] [eoslhcb.cern.ch:1094 #0.0] Sending authentication data
[2017-10-18 12:48:24.415358 +0200][Debug  ][XRootDTransport   ] [eoslhcb.cern.ch:1094 #0.0] Trying to authenticate using krb5
[2017-10-18 12:48:24.448443 +0200][Debug  ][XRootDTransport   ] [eoslhcb.cern.ch:1094 #0.0] Authenticated with krb5.
[2017-10-18 12:48:24.448486 +0200][Debug  ][PostMaster        ] [eoslhcb.cern.ch:1094 #0] Stream 0 connected.
[2017-10-18 12:48:24.448497 +0200][Debug  ][Utility           ] Monitor library name not set. No monitoring
[2017-10-18 12:48:24.451749 +0200][Debug  ][PostMaster        ] Creating new channel to: p06253967r10312.cern.ch:1095 1 stream(s)
[2017-10-18 12:48:24.451783 +0200][Debug  ][PostMaster        ] [p06253967r10312.cern.ch:1095 #0] Stream parameters: Network Stack: IPv4, Connection Window: 120, ConnectionRetry: 5, Stream Error Widnow: 1800
[2017-10-18 12:48:24.453537 +0200][Debug  ][TaskMgr           ] Registering task: "TickGeneratorTask for: p06253967r10312.cern.ch:1095" to be run at: [2017-10-18 12:48:39 +0200]
[2017-10-18 12:48:24.453937 +0200][Debug  ][PostMaster        ] [p06253967r10312.cern.ch:1095] Found 1 address(es): [::ffff:188.185.235.22]:1095
[2017-10-18 12:48:24.453975 +0200][Debug  ][AsyncSock         ] [p06253967r10312.cern.ch:1095 #0.0] Attempting connection to [::ffff:188.185.235.22]:1095
[2017-10-18 12:48:24.454095 +0200][Debug  ][Poller            ] Adding socket 0x38a96650 to the poller
[2017-10-18 12:48:24.492579 +0200][Debug  ][AsyncSock         ] [p06253967r10312.cern.ch:1095 #0.0] Async connection call returned
[2017-10-18 12:48:24.492669 +0200][Debug  ][XRootDTransport   ] [p06253967r10312.cern.ch:1095 #0.0] Sending out the initial hand shake + kXR_protocol
[2017-10-18 12:48:24.532419 +0200][Debug  ][XRootDTransport   ] [p06253967r10312.cern.ch:1095 #0.0] Got the server hand shake response (type: server [], protocol version 310)
[2017-10-18 12:48:24.532581 +0200][Debug  ][XRootDTransport   ] [p06253967r10312.cern.ch:1095 #0.0] kXR_protocol successful (type: server [], protocol version 310)
[2017-10-18 12:48:24.535453 +0200][Debug  ][XRootDTransport   ] [p06253967r10312.cern.ch:1095 #0.0] Sending out kXR_login request, username: michael, cgi: ?xrd.cc=ch&xrd.tz=1&xrd.appname=root.exe&xrd.info=&xrd.hostname=michaelsmacbookpro.dyndns.cern.ch&xrd.rn=v4.6.1, dual-stack: false, private IPv4: false, private IPv6: false
[2017-10-18 12:48:24.558649 +0200][Debug  ][XRootDTransport   ] [p06253967r10312.cern.ch:1095 #0.0] Logged in, session: 67b9020063240000040100006cb90200
[2017-10-18 12:48:24.558677 +0200][Debug  ][XRootDTransport   ] [p06253967r10312.cern.ch:1095 #0.0] Authentication is required: &P=unix&P=sss,0.13:/etc/eos.keytab
[2017-10-18 12:48:24.558687 +0200][Debug  ][XRootDTransport   ] [p06253967r10312.cern.ch:1095 #0.0] Sending authentication data
[2017-10-18 12:48:24.558751 +0200][Debug  ][XRootDTransport   ] [p06253967r10312.cern.ch:1095 #0.0] Trying to authenticate using unix
[2017-10-18 12:48:24.596112 +0200][Debug  ][XRootDTransport   ] [p06253967r10312.cern.ch:1095 #0.0] Authenticated with unix.
[2017-10-18 12:48:24.596163 +0200][Debug  ][PostMaster        ] [p06253967r10312.cern.ch:1095 #0] Stream 0 connected.
[2017-10-18 12:48:24.621074 +0200][Debug  ][File              ] [0x367fbe40@root://eoslhcb.cern.ch:1094//eos/lhcb/user/m/mwilkins/bfractions_fromGanga/data/Down16/548.100/DVnTuples.root] Open has returned with status [SUCCESS] 
[2017-10-18 12:48:24.621131 +0200][Debug  ][File              ] [0x367fbe40@root://eoslhcb.cern.ch:1094//eos/lhcb/user/m/mwilkins/bfractions_fromGanga/data/Down16/548.100/DVnTuples.root] successfully opened at p06253967r10312.cern.ch:1095, handle: 0x0, session id: 1
[2017-10-18 12:48:24.621335 +0200][Debug  ][File              ] [0x367fbe40@root://eoslhcb.cern.ch:1094//eos/lhcb/user/m/mwilkins/bfractions_fromGanga/data/Down16/548.100/DVnTuples.root] Sending a read command for handle 0x0 to p06253967r10312.cern.ch:1095
[2017-10-18 12:48:24.650495 +0200][Debug  ][File              ] [0x367fbe40@root://eoslhcb.cern.ch:1094//eos/lhcb/user/m/mwilkins/bfractions_fromGanga/data/Down16/548.100/DVnTuples.root] Sending a read command for handle 0x0 to p06253967r10312.cern.ch:1095
[2017-10-18 12:48:24.681372 +0200][Debug  ][File              ] [0x367fbe40@root://eoslhcb.cern.ch:1094//eos/lhcb/user/m/mwilkins/bfractions_fromGanga/data/Down16/548.100/DVnTuples.root] Sending a read command for handle 0x0 to p06253967r10312.cern.ch:1095
(TFile *) 0x7faf38943ac0
root [1] .q
[2017-10-18 12:48:30.624617 +0200][Debug  ][File              ] [0x367fbe40@root://eoslhcb.cern.ch:1094//eos/lhcb/user/m/mwilkins/bfractions_fromGanga/data/Down16/548.100/DVnTuples.root] Sending a close command for handle 0x0 to p06253967r10312.cern.ch:1095
[2017-10-18 12:48:30.664252 +0200][Debug  ][File              ] [0x367fbe40@root://eoslhcb.cern.ch:1094//eos/lhcb/user/m/mwilkins/bfractions_fromGanga/data/Down16/548.100/DVnTuples.root] Close returned from p06253967r10312.cern.ch:1095 with: [SUCCESS] 
[2017-10-18 12:48:30.665775 +0200][Debug  ][JobMgr            ] Stopping the job manager...
[2017-10-18 12:48:30.665973 +0200][Debug  ][JobMgr            ] Job manager stopped
[2017-10-18 12:48:30.665989 +0200][Debug  ][TaskMgr           ] Stopping the task manager...
[2017-10-18 12:48:30.666016 +0200][Debug  ][TaskMgr           ] Task manager stopped
[2017-10-18 12:48:30.666025 +0200][Debug  ][Poller            ] Stopping the poller...
[2017-10-18 12:48:30.666096 +0200][Debug  ][TaskMgr           ] Requesting unregistration of: "TickGeneratorTask for: eoslhcb.cern.ch:1094"
[2017-10-18 12:48:30.666107 +0200][Debug  ][AsyncSock         ] [eoslhcb.cern.ch:1094 #0.0] Closing the socket
[2017-10-18 12:48:30.666116 +0200][Debug  ][Poller            ] <[::ffff:128.141.238.209]:52309><--><[::ffff:188.184.38.44]:1094> Removing socket from the poller
[2017-10-18 12:48:30.666176 +0200][Debug  ][PostMaster        ] [eoslhcb.cern.ch:1094 #0] Destroying stream
[2017-10-18 12:48:30.666209 +0200][Debug  ][AsyncSock         ] [eoslhcb.cern.ch:1094 #0.0] Closing the socket
[2017-10-18 12:48:30.666222 +0200][Debug  ][TaskMgr           ] Requesting unregistration of: "TickGeneratorTask for: p06253967r10312.cern.ch:1095"
[2017-10-18 12:48:30.666231 +0200][Debug  ][AsyncSock         ] [p06253967r10312.cern.ch:1095 #0.0] Closing the socket
[2017-10-18 12:48:30.666238 +0200][Debug  ][Poller            ] <[::ffff:128.141.238.209]:52310><--><[::ffff:188.185.235.22]:1095> Removing socket from the poller
[2017-10-18 12:48:30.666269 +0200][Debug  ][PostMaster        ] [p06253967r10312.cern.ch:1095 #0] Destroying stream
[2017-10-18 12:48:30.666299 +0200][Debug  ][AsyncSock         ] [p06253967r10312.cern.ch:1095 #0.0] Closing the socket

python:

$ /usr/bin/python
Python 2.7.10 (default, Jul 15 2017, 17:16:57) 
[GCC 4.2.1 Compatible Apple LLVM 9.0.0 (clang-900.0.31)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> import ROOT; f = ROOT.TFile.Open("root://eoslhcb.cern.ch//eos/lhcb/user/m/mwilkins/bfractions_fromGanga/data/Down16/548.100/DVnTuples.root")
[2017-10-18 12:53:29.627233 +0200][Warning][Utility           ] Unable to process global config file: [ERROR] OS Error: No such file or directory
[2017-10-18 12:53:29.627328 +0200][Debug  ][Utility           ] Unable to process user config file: [ERROR] OS Error: No such file or directory
[2017-10-18 12:53:29.627406 +0200][Info   ][Utility           ] Env: Importing from shell XRD_NETWORKSTACK=IPv4 as NetworkStack
[2017-10-18 12:53:29.627438 +0200][Debug  ][PlugInMgr         ] Initializing plug-in manager...
[2017-10-18 12:53:29.627457 +0200][Debug  ][PlugInMgr         ] No default plug-in, loading plug-in configs...
[2017-10-18 12:53:29.627466 +0200][Debug  ][PlugInMgr         ] Processing plug-in definitions in /etc/xrootd/client.plugins.d...
[2017-10-18 12:53:29.627486 +0200][Debug  ][PlugInMgr         ] Unable to process directory /etc/xrootd/client.plugins.d: [ERROR] OS Error: No such file or directory
[2017-10-18 12:53:29.627498 +0200][Debug  ][PlugInMgr         ] Processing plug-in definitions in /Users/michael/.xrootd/client.plugins.d...
[2017-10-18 12:53:29.627510 +0200][Debug  ][PlugInMgr         ] Unable to process directory /Users/michael/.xrootd/client.plugins.d: [ERROR] OS Error: No such file or directory
[2017-10-18 12:53:29.627518 +0200][Debug  ][Utility           ] Attempting to pre-load: libXrdSeckrb5.so
[2017-10-18 12:53:29.627735 +0200][Error  ][Utility           ] Unable to pre-load libXrdSeckrb5.so: Plugin unable to load libXrdSeckrb5-4.so; dlopen(libXrdSeckrb5-4.so, 256): image not found
[2017-10-18 12:53:29.627749 +0200][Debug  ][Utility           ] Attempting to pre-load: libXrdSecgsi.so
[2017-10-18 12:53:29.627850 +0200][Error  ][Utility           ] Unable to pre-load libXrdSecgsi.so: Plugin unable to load libXrdSecgsi-4.so; dlopen(libXrdSecgsi-4.so, 256): image not found
[2017-10-18 12:53:29.627862 +0200][Debug  ][Utility           ] Attempting to pre-load: libXrdSecgsiAuthzVO.so
[2017-10-18 12:53:29.627950 +0200][Error  ][Utility           ] Unable to pre-load libXrdSecgsiAuthzVO.so: Plugin unable to load libXrdSecgsiAuthzVO-4.so; dlopen(libXrdSecgsiAuthzVO-4.so, 256): image not found
[2017-10-18 12:53:29.627969 +0200][Debug  ][Utility           ] Attempting to pre-load: libXrdSecgsiGMAPDN.so
[2017-10-18 12:53:29.628058 +0200][Error  ][Utility           ] Unable to pre-load libXrdSecgsiGMAPDN.so: Plugin unable to load libXrdSecgsiGMAPDN-4.so; dlopen(libXrdSecgsiGMAPDN-4.so, 256): image not found
[2017-10-18 12:53:29.628073 +0200][Debug  ][Utility           ] Attempting to pre-load: libXrdSecpwd.so
[2017-10-18 12:53:29.628156 +0200][Error  ][Utility           ] Unable to pre-load libXrdSecpwd.so: Plugin unable to load libXrdSecpwd-4.so; dlopen(libXrdSecpwd-4.so, 256): image not found
[2017-10-18 12:53:29.628167 +0200][Debug  ][Utility           ] Attempting to pre-load: libXrdSecsss.so
[2017-10-18 12:53:29.628252 +0200][Error  ][Utility           ] Unable to pre-load libXrdSecsss.so: Plugin unable to load libXrdSecsss-4.so; dlopen(libXrdSecsss-4.so, 256): image not found
[2017-10-18 12:53:29.628276 +0200][Debug  ][Utility           ] Attempting to pre-load: libXrdSecunix.so
[2017-10-18 12:53:29.628349 +0200][Error  ][Utility           ] Unable to pre-load libXrdSecunix.so: Plugin unable to load libXrdSecunix-4.so; dlopen(libXrdSecunix-4.so, 256): image not found
[2017-10-18 12:53:29.779886 +0200][Debug  ][Utility           ] Env: overriding entry: MultiProtocol=0 with 1
[2017-10-18 12:53:29.779985 +0200][Debug  ][File              ] [0x54312ad0@root://eoslhcb.cern.ch:1094//eos/lhcb/user/m/mwilkins/bfractions_fromGanga/data/Down16/548.100/DVnTuples.root] Sending an open command
[2017-10-18 12:53:29.780047 +0200][Debug  ][Poller            ] Available pollers: built-in
[2017-10-18 12:53:29.780054 +0200][Debug  ][Poller            ] Attempting to create a poller according to preference: built-in
[2017-10-18 12:53:29.780061 +0200][Debug  ][Poller            ] Creating poller: built-in
[2017-10-18 12:53:29.780067 +0200][Debug  ][Poller            ] Creating and starting the built-in poller...
[2017-10-18 12:53:29.780245 +0200][Debug  ][Poller            ] Using 1 poller threads
[2017-10-18 12:53:29.780273 +0200][Debug  ][TaskMgr           ] Starting the task manager...
[2017-10-18 12:53:29.780302 +0200][Debug  ][TaskMgr           ] Task manager started
[2017-10-18 12:53:29.780310 +0200][Debug  ][JobMgr            ] Starting the job manager...
[2017-10-18 12:53:29.780393 +0200][Debug  ][JobMgr            ] Job manager started, 3 workers
[2017-10-18 12:53:29.780409 +0200][Debug  ][TaskMgr           ] Registering task: "FileTimer task" to be run at: [2017-10-18 12:53:29 +0200]
[2017-10-18 12:53:29.780434 +0200][Debug  ][PostMaster        ] Creating new channel to: eoslhcb.cern.ch:1094 1 stream(s)
[2017-10-18 12:53:29.780450 +0200][Debug  ][PostMaster        ] [eoslhcb.cern.ch:1094 #0] Stream parameters: Network Stack: IPv4, Connection Window: 120, ConnectionRetry: 5, Stream Error Widnow: 1800
[2017-10-18 12:53:29.781150 +0200][Debug  ][TaskMgr           ] Registering task: "TickGeneratorTask for: eoslhcb.cern.ch:1094" to be run at: [2017-10-18 12:53:44 +0200]
[2017-10-18 12:53:29.781521 +0200][Debug  ][PostMaster        ] [eoslhcb.cern.ch:1094] Found 1 address(es): [::ffff:188.184.38.44]:1094
[2017-10-18 12:53:29.781622 +0200][Debug  ][AsyncSock         ] [eoslhcb.cern.ch:1094 #0.0] Attempting connection to [::ffff:188.184.38.44]:1094
[2017-10-18 12:53:29.781729 +0200][Debug  ][Poller            ] Adding socket 0x541c5770 to the poller
[2017-10-18 12:53:29.799548 +0200][Debug  ][AsyncSock         ] [eoslhcb.cern.ch:1094 #0.0] Async connection call returned
[2017-10-18 12:53:29.799738 +0200][Debug  ][XRootDTransport   ] [eoslhcb.cern.ch:1094 #0.0] Sending out the initial hand shake + kXR_protocol
[2017-10-18 12:53:29.815574 +0200][Debug  ][XRootDTransport   ] [eoslhcb.cern.ch:1094 #0.0] Got the server hand shake response (type: manager [], protocol version 310)
[2017-10-18 12:53:29.815688 +0200][Debug  ][XRootDTransport   ] [eoslhcb.cern.ch:1094 #0.0] kXR_protocol successful (type: manager [], protocol version 310)
[2017-10-18 12:53:29.821975 +0200][Debug  ][XRootDTransport   ] [eoslhcb.cern.ch:1094 #0.0] Sending out kXR_login request, username: michael, cgi: ?xrd.cc=ch&xrd.tz=1&xrd.appname=Python&xrd.info=&xrd.hostname=michaelsmacbookpro.dyndns.cern.ch&xrd.rn=v4.6.1, dual-stack: false, private IPv4: false, private IPv6: false
[2017-10-18 12:53:29.861054 +0200][Debug  ][XRootDTransport   ] [eoslhcb.cern.ch:1094 #0.0] Logged in, session: 2ae60100674b0000dc040000ede60100
[2017-10-18 12:53:29.861164 +0200][Debug  ][XRootDTransport   ] [eoslhcb.cern.ch:1094 #0.0] Authentication is required: &P=krb5,xrootd/eoslhcb.cern.ch@CERN.CH&P=gsi,v:10300,c:ssl,ca:5168735f.0|4339b4bc.0&P=unix&P=sss,0.13:/etc/eos.keytab
[2017-10-18 12:53:29.861193 +0200][Debug  ][XRootDTransport   ] [eoslhcb.cern.ch:1094 #0.0] Sending authentication data
[2017-10-18 12:53:29.861671 +0200][Error  ][XRootDTransport   ] Unable to get the security framework: Plugin dlopen(libXrdSec-4.so, 256): image not found seclib libXrdSec-4.so
[2017-10-18 12:53:29.861728 +0200][Error  ][AsyncSock         ] [eoslhcb.cern.ch:1094 #0.0] Socket error while handshaking: [FATAL] Auth failed
[2017-10-18 12:53:29.861743 +0200][Debug  ][AsyncSock         ] [eoslhcb.cern.ch:1094 #0.0] Closing the socket
[2017-10-18 12:53:29.861757 +0200][Debug  ][Poller            ] <[::ffff:128.141.238.209]:52385><--><[::ffff:188.184.38.44]:1094> Removing socket from the poller
[2017-10-18 12:53:29.861929 +0200][Error  ][PostMaster        ] [eoslhcb.cern.ch:1094 #0] Unable to recover: [FATAL] Auth failed.
[2017-10-18 12:53:29.861966 +0200][Error  ][XRootD            ] [eoslhcb.cern.ch:1094] Impossible to send message kXR_open (file: /eos/lhcb/user/m/mwilkins/bfractions_fromGanga/data/Down16/548.100/DVnTuples.root, mode: 00, flags: kXR_open_read kXR_async kXR_retstat ). Trying to recover.
[2017-10-18 12:53:29.861989 +0200][Debug  ][XRootD            ] [eoslhcb.cern.ch:1094] Handling error while processing kXR_open (file: /eos/lhcb/user/m/mwilkins/bfractions_fromGanga/data/Down16/548.100/DVnTuples.root, mode: 00, flags: kXR_open_read kXR_async kXR_retstat ): [FATAL] Auth failed.
[2017-10-18 12:53:29.862040 +0200][Debug  ][File              ] [0x54312ad0@root://eoslhcb.cern.ch:1094//eos/lhcb/user/m/mwilkins/bfractions_fromGanga/data/Down16/548.100/DVnTuples.root] Open has returned with status [FATAL] Auth failed
[2017-10-18 12:53:29.862061 +0200][Debug  ][File              ] [0x54312ad0@root://eoslhcb.cern.ch:1094//eos/lhcb/user/m/mwilkins/bfractions_fromGanga/data/Down16/548.100/DVnTuples.root] Error while opening at eoslhcb.cern.ch:1094: [FATAL] Auth failed
[2017-10-18 12:53:29.862081 +0200][Debug  ][Utility           ] Monitor library name not set. No monitoring
Error in <TNetXNGFile::Open>: [FATAL] Auth failed

FYI, I just installed Anaconda and tried building root against that python build ($ cmake ../root -DPYTHON_EXECUTABLE=/Users/michael/anaconda2/bin/python -Dall=On) but again it wouldn’t work. I am consistently unable to get PyROOT to work in any build other than the default system one.

18

Has the PYTHON_EXECUTABLE flag been tested with a recent build? I have only ever compiled against a different python by changing the path so the the preferred python comes first.

19

So the Anaconda installation seems to insert its own version first in the path:

$ which python
/Users/michael/anaconda2/bin/python

So I checked out ROOT again and did cmake and make again, no flags besides -Dall, and it seems ROOT still isn’t built against the anaconda python. It’s still built on the system version:

$ python
Python 2.7.13 |Anaconda, Inc.| (default, Sep 21 2017, 17:38:20) 
[GCC 4.2.1 Compatible Clang 4.0.1 (tags/RELEASE_401/final)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> import ROOT
Fatal Python error: PyThreadState_Get: no current thread
Abort trap: 6
$ /usr/bin/python
Python 2.7.10 (default, Jul 15 2017, 17:16:57) 
[GCC 4.2.1 Compatible Apple LLVM 9.0.0 (clang-900.0.31)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> import ROOT; f = ROOT.TFile.Open("root://eoslhcb.cern.ch//eos/lhcb/user/m/mwilkins/bfractions_fromGanga/data/Down16/548.100/DVnTuples.root")
cling::DynamicLibraryManager::loadLibrary(): dlopen(/Applications/root_build/lib/libNetxNG.so, 9): Library not loaded: libXrdUtils.2.dylib
  Referenced from: /Applications/root_build/lib/libNetxNG.so
  Reason: unsafe use of relative rpath libXrdUtils.2.dylib in /Applications/root_build/lib/libNetxNG.so with restricted binary
Error in <TInterpreter::TCling::AutoLoad>: failure loading library libNetxNG.so for TNetXNGSystem
cling::DynamicLibraryManager::loadLibrary(): dlopen(/Applications/root_build/lib/libNetxNG.so, 9): Library not loaded: libXrdUtils.2.dylib
  Referenced from: /Applications/root_build/lib/libNetxNG.so
  Reason: unsafe use of relative rpath libXrdUtils.2.dylib in /Applications/root_build/lib/libNetxNG.so with restricted binary
cling::DynamicLibraryManager::loadLibrary(): dlopen(/Applications/root_build/lib/libNetxNG.so, 9): Library not loaded: libXrdUtils.2.dylib
  Referenced from: /Applications/root_build/lib/libNetxNG.so
  Reason: unsafe use of relative rpath libXrdUtils.2.dylib in /Applications/root_build/lib/libNetxNG.so with restricted binary
Error in <TInterpreter::TCling::AutoLoad>: failure loading library libNetxNG.so for TNetXNGFile
cling::DynamicLibraryManager::loadLibrary(): dlopen(/Applications/root_build/lib/libNetxNG.so, 9): Library not loaded: libXrdUtils.2.dylib
  Referenced from: /Applications/root_build/lib/libNetxNG.so
  Reason: unsafe use of relative rpath libXrdUtils.2.dylib in /Applications/root_build/lib/libNetxNG.so with restricted binary
20

@ksmith So it looks like you’re right. It’s an issue with SIP that can be worked around using a different, non-system python. However, that one flag alone is not enough. I had to do:

cmake -Dall=On -DPYTHON_EXECUTABLE=/usr/local/bin/python2 -DPYTHON_INCLUDE_DIR=/usr/local/Cellar/python/2.7.14/Frameworks/Python.framework/Versions/2.7/Headers -DPYTHON_LIBRARY=/usr/local/Cellar/python/2.7.14/Frameworks/Python.framework/Versions/2.7/lib/libpython2.7.dylib ../root/

pointing it at the Homebrew version of python. Now, everything works as expected, i.e.:

$ python
Python 2.7.13 |Anaconda, Inc.| (default, Sep 21 2017, 17:38:20) 
[GCC 4.2.1 Compatible Clang 4.0.1 (tags/RELEASE_401/final)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> import ROOT
Fatal Python error: PyThreadState_Get: no current thread
Abort trap: 6
$ python2
Python 2.7.14 (default, Sep 25 2017, 09:54:19) 
[GCC 4.2.1 Compatible Apple LLVM 9.0.0 (clang-900.0.37)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> import ROOT; f = ROOT.TFile.Open("root://eoslhcb.cern.ch//eos/lhcb/user/m/mwilkins/bfractions_fromGanga/data/Down16/548.100/DVnTuples.root")

(From start to finish, the only steps seem to be brew install python, checking out the git repo, doing the fix mentioned here, making a root_build directory and navigating to it, then doing cmake as above, then make.)

I think I’d prefer the Anaconda version (if only so I can type python instead of python2 at the prompt), so I have to track down its include dir and libraries for the flags, but I have a function version of ROOT now. Thanks again for all your help.