Hi, Rene, Preparing short test for you I found mistake in my program! :)))) Initializing TEvent like pointer: TEvent *fEvent = new TEvent(); I created branch sending **TEvent instead of *TEvent!: fTEvent->Branch("Event","TEvent",&fEvent,32000,99); ~~~~~~~ Corrected line: fTEvent->Branch("Event","TEvent",fEvent,32000,99); solved the problem! Rene Brun wrote: > Hi Yuriy, > > Could you send me a test as short as possible reproducing this problem? > I left a print message in the compression algorithm when it fails > to compress the buffer (this should not happen in principle). > Note that when the compression fails, the results are still OK. The buffer > is written non-compressed. > > Rene Brun > > Chitov Iouri wrote: > > > > Hi, > > > > With new ROOT version > > > > -------------------------------------------------------- > > ******************************************* > > * * > > * W E L C O M E to R O O T * > > * * > > * Version 3.03/02 29 March 2002 * > > * * > > * You are welcome to visit our Web site * > > * http://root.cern.ch * > > * * > > ******************************************* > > > > FreeType Engine v1.x used to render TrueType fonts. > > Compiled for linux with thread support. > > > > CINT/ROOT C/C++ Interpreter version 5.15.34, Mar 5 2002 > > ------------------------------------------------------- > > > > during creation of TTree ROOT file from binaries rawdata > > from time to time I have now these warnings: > > > > Processing /exp/nemo/chitov/tgv/data/20311003.dat... OK! > > Processing /exp/nemo/chitov/tgv/data/20311004.dat... OK! > > Processing /exp/nemo/chitov/tgv/data/20311005.dat... OK! > > R__zip: output buffer too small for in-memory compression > > R__zip: output buffer too small for in-memory compression > > R__zip: output buffer too small for in-memory compression > > Processing /exp/nemo/chitov/tgv/data/20311006.dat... OK! > > Processing /exp/nemo/chitov/tgv/data/20311007.dat... OK! > > out_offset=14, len=31932, out_size=31932 > > R__zip: output buffer too small for in-memory compression > > Processing /exp/nemo/chitov/tgv/data/20311008.dat... OK! > > Processing /exp/nemo/chitov/tgv/data/20311009.dat... OK! > > Processing /exp/nemo/chitov/tgv/data/20311010.dat... OK! > > Processing /exp/nemo/chitov/tgv/data/20311011.dat... OK! > > Processing /exp/nemo/chitov/tgv/data/20311012.dat... OK! > > 12877 data events were saved in test.root > > > > With previous versions I never saw such warnings. > > It seems, like the final results are the same... > > > > Is it enough to clarify situation or should I go deeper in > > the problem? > > > > Best wishes, > > Yuriy. -- ---/---> Chitov Yuriy The more, the better...
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