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Hello Wei and Andy In v3.3.0-rc2 the problem is somewhat fixed. For example when I use xrd to get the checksum and the xrootd server is configured to use an external tool (md5sum) I see: % xrd ir2memfs10:9922 getchecksum /wk/rwm/t/f1 Error 3005: 6e4b5ac93014ab797be2c9499960f4b3 The command returned an error. So the checksum is calculated and returned but there is still an error. The xrootd server shows 130111 13:02:23 31432 XrootdsendResult: sent async error to wilko.19150:27@kama Running with the debugger I noticed that sometimes the checksum is returned properly and my suspicion is that the issues is in XrdXrootdJob2Do::DoIt() in the two lines: lp = jobStream.GetLine(); rc = theJob->theProg->RunDone(jobStream); It gets the checksum (lp) but when it does the RunDone() the rc is -EPIPE(-32). If I run in the debugger and wait a little bit in line rc = theJob->theProg->RunDone(jobStream); before continuing rc is 0 and all works well. Cheers, Wilko On Fri, 11 Jan 2013, Wei Yang wrote: > Update of bug #99711 (project xrootd): > > Assigned to: yangw => abh > > _______________________________________________________ > > Follow-up Comment #4: > > I played around a little bit and run into two cases that shows this problem. > > 1. the ownership of the files was wrong. I supposed this is not your case. > 2. only happens if using an external tool on the server side (e.g. > xrootd.chksum max 3 adler32 /usr/bin/xrdadler32). For every file that doesn't > have an adler32 in xattr, the first query using xrdadler32 or xrd will fail. > But the checksum is actually calculated and saved to xattr on the server > side. So subsequent query will success. removing /usr/bin/xrdadler32 from > xrootd.chksum line will solve this problem. > > so this looks like a bug in xrootd server. Andy, can you take a look? > > _______________________________________________________ > > Reply to this item at: > > <http://savannah.cern.ch/bugs/?99711> > > _______________________________________________ > Message sent via/by LCG Savannah > http://savannah.cern.ch/ > > ######################################################################## > Use REPLY-ALL to reply to list > > To unsubscribe from the XROOTD-DEV list, click the following link: > https://listserv.slac.stanford.edu/cgi-bin/wa?SUBED1=XROOTD-DEV&A=1 > ######################################################################## Use REPLY-ALL to reply to list To unsubscribe from the XROOTD-DEV list, click the following link: https://listserv.slac.stanford.edu/cgi-bin/wa?SUBED1=XROOTD-DEV&A=1