TNetXNGFile::Open fails with double slash (//) in path

ROOT
1

Hi,
TChain seems to have trouble opening files with duplicate ‘/’ characters in the path. For example:

TChain* mychain = new TChain("DecayTree");
mychain->AddFile("root://eoslhcb.cern.ch//eos/lhcb/user/<letter>/<username>/test2//mytestfile.root")
(int) 1
mychain->GetEntries()
Error in <TNetXNGFile::Open>: [ERROR] Server responded with an error: [3011] Unable to open file /eos/lhcb/user/<letter>/<usern>; No such file or directory

where the username is cropped after 5 characters.

This is counter-intuitive, because “//” in a path wouldn’t normally be a problem in my paths. Is this planned to cause an error? It looks like a parsing error.

Please read tips for efficient and successful posting and posting code

ROOT Version: 6.16/00
Platform: SLC6
Compiler: GCC8

2

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3

In case someone ends up here, this is now tracked at TNetXNGFile::Open fails with double slash (//) in path · Issue #7159 · root-project/root · GitHub .