Hi Mathieu, Thanks for sending one of your files. The file is truncated to 4096 bytes and it should be 3.2 MBytes. The recovery mechanism crashes due to a very peculiar situation where your sub-directories fit below the 4096 bytes and the first key of the first sub-directory starting at 4096. I will introduce more protections such that the TFile constructor will not crash in case of corrupted/truncated files. Rene Brun Mathieu Ribordy wrote: > > Hi, > When I try to open a root file, I get the message: > > CINT/ROOT C/C++ Interpreter version 5.15.21, Dec 8 2001 > Type ? for help. Commands must be C++ statements. > Enclose multiple statements between { }. > root [0] TFile > f("/net/fatman4/data3/amamc/recoV4/Statistics/run02XX/0295/moni$ > Error in <TFile::ReadBuffer>: error reading all requested bytes from > file > /net/fatman4/data3/amamc/recoV4/Statistics/run02XX/0295/monitoring_2000_136_0295_041.root, > got 0 of 883 > Error in <TFile::ReadBuffer>: error reading all requested bytes from > file > /net/fatman4/data3/amamc/recoV4/Statistics/run02XX/0295/monitoring_2000_136_0295_041.root, > got 0 of 2181 > > *** Break *** segmentation violation > Root > > > Is there a way to test the integrity of the root file first and then to > avoid the segmentation fault ? > thanks > Mathieu Ribordy
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