1. TCPIP Stream Socket losing data - Solaris 2.3
We are running two processes on a single machine, communicating via
TCPIP stream sockets. From time to time a binary file is transfered
between these processes. Periodically 1 byte of the binary file will
not be transferred. This is not totally consistent, but will happen
about 19 out of twenty times with one particular binary file when I
set breakpoints in the receiving process. The data byte lost in this
file is always at the same point and is a newline. For a test I
replaced all newlines in this binary file with nulls, and the dropped
byte happened less frequently. In this new file when the byte was dropped
it was at a different location in the file and was a carriage return.
I have tried both writes and sends at the sending process and both
recv and read at the receiving process. I have determined that the
data is there when the buffer is passed to the write or send and is
not there when the recv or read gets it. I have searched the SunSolve
database, but the patches I found did not seem to be relevant.
Any help on this would be greatly appreciated.
My current patches are
watt(503): showrev -p
Patch: 101316-01 Obsoletes: Packages: SUNWarc.2 11.5.0,REV=2.0.18,PATCH=1, SUNWcsu.2 11.5.0,REV=2.0.18,PATCH=2
Patch: 101317-09 Obsoletes: Packages: SUNWlpr.2 11.5.0,REV=2.0.18,PATCH=9, SUNWlpu.2 11.5.0,REV=2.0.18,PATCH=9, SUNWscpu.2 11.5.0,REV=2.0.18,PATCH=12
Patch: 101318-45 Obsoletes: 101294-02,101267-01,101326-01,101349-01,101319-02,101346-03,101485-01,101411-04 Packages: SUNWarc.3 11.5.0,REV=2.0.18,PATCH=68, SUNWcar.2 11.5.0,REV=2.0.18,PATCH=61, SUNWcsr.2 11.5.0,REV=2.0.19,PATCH=98, SUNWcsu.4 11.5.0,REV=2.0.18,PATCH=140, SUNWdfb.2 11.5.0,REV=2.0.18,PATCH=39, SUNWsxr.2 11.5.0,REV=2.0.18,PATCH=39
Patch: 101362-11 Obsoletes: 101307-01 101457-01 Packages: SUNWowrqd.2 3.3.19,REV=0.93.09.17,PATCH=46
Patch: 101409-03 Obsoletes: Packages: SUNWcsu.3 11.5.0,REV=2.0.18,PATCH=76, SUNWtoo.2 11.5.0,REV=2.0.18,PATCH=3
Patch: 101327-06 Obsoletes: Packages: SUNWcsu.5 11.5.0,REV=2.0.18,PATCH=137
Patch: 101329-15 Obsoletes: 101315-01 Packages: SUNWarc.4 11.5.0,REV=2.0.18,PATCH=65, SUNWcsr.3 11.5.0,REV=2.0.19,PATCH=93, SUNWcsu.6 11.5.0,REV=2.0.18,PATCH=133, SUNWnisu.2 11.5.0,REV=2.0.18,PATCH=15
Patch: 101331-03 Obsoletes: Packages: SUNWcsu.7 11.5.0,REV=2.0.18,PATCH=35
Patch: 101344-08 Obsoletes: Packages: SUNWcsr.4 11.5.0,REV=2.0.19,PATCH=108, SUNWcsu.8 11.5.0,REV=2.0.18,PATCH=157
Patch: 101347-01 Obsoletes: Packages: SUNWcsr.5 11.5.0,REV=2.0.19,PATCH=10
Patch: 101406-01 Obsoletes: Packages: SUNWcsr.6 11.5.0,REV=2.0.19,PATCH=26
Patch: 101615-02 Obsoletes: Packages: SUNWcsu.9 11.5.0,REV=2.0.18,PATCH=161, SUNWscpu.3 11.5.0,REV=2.0.18,PATCH=13
Patch: 101533-03 Obsoletes: Packages: SUNWowMIT.2 3.3.18,REV=0.93.09.07,PATCH=3
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