[omniORB] occasional Exception "giopStream::CommFailure from giopStream.cc:878(0,MAYBE,COMM_FAILURE_WaitingForReply)"

[Isaac]

Hello,

my client will occasionally throw this exception:

2009-10-10 10:14:35,389 [0xb61d4b90] - Start to open session ...

omniORB: Creating ref to remote: key<NameService>
 target id      : IDL:omg.org/CORBA/Object:1.0
 most derived id:
omniORB: sendChunk: to giop:tcp:172.29.1.3:12348 100 bytes
omniORB:
4749 4f50 0100 0100 5800 0000 0000 0000 GIOP....X.......
0400 0000 0120 2020 0b00 0000 4e61 6d65 .....   ....Name
5365 7276 6963 6520 0600 0000 5f69 735f Service ...._is_
6100 2020 0000 0000 2800 0000 4944 4c3a a.  ....(...IDL:
6f6d 672e 6f72 672f 436f 734e 616d 696e omg.org/CosNamin
672f 4e61 6d69 6e67 436f 6e74 6578 743a g/NamingContext:
312e 3000                               1.0.
omniORB: Error in network receive (start of message): giop:tcp:
172.29.1.3:12348
omniORB: throw giopStream::CommFailure from
giopStream.cc:878(0,MAYBE,COMM_FAILURE_WaitingForReply)
omniORB: Client connection refcount = 0
omniORB: Client close connection to giop:tcp:172.29.1.3:12348
omniORB: throw COMM_FAILURE from omniObjRef.cc:808
(MAYBE,COMM_FAILURE_WaitingForReply)
omniORB: omniRemoteIdentity deleted.
omniORB: ObjRef() -- deleted.

2009-10-10 10:14:35,390 [0xb61d4b90] - Cann't open the session!

the network between client and server seems no problem (ping and it's alive)
can someone give me some clues to locate the problem?

thanks!



omniORB: Version: 4.1.4
omniORB: Distribution date: Sun Jul 19 18:35:23 BST 2009 dgrisby
omniORB: Skip link local address fe80::223:7dff:fe58:fda6 on interface eth0.
omniORB: My addresses are:
omniORB: 127.0.0.1
omniORB: 172.24.230.7
omniORB: ::1
omniORB: Maximum supported GIOP version is 1.0
omniORB: Native char code sets: ISO-8859-1 UTF-8.
omniORB: Transmission char code sets: ISO-8859-1(1.2) ISO-8859-1(1.1)
ISO-8859-1(1.0) UTF-8(1.2) UTF-8(1.1).
omniORB: Native wide char code sets: UTF-16.
omniORB: Transmission wide char code sets: UTF-16(1.2).
omniORB: Initialising omniDynamic library.
omniORB: Current configuration is as follows:
omniORB:   DefaultInitRef (file) =
omniORB:   DefaultInitRef (args) =
omniORB:   InitRef = NameService=corbaname::172.29.1.3:12348
omniORB:   abortOnInternalError = 0
omniORB:   abortOnNativeException = 0
omniORB:   acceptBiDirectionalGIOP = 0
omniORB:   acceptMisalignedTcIndirections = 0
omniORB:   bootstrapAgentHostname =
omniORB:   bootstrapAgentPort = 900
omniORB:   clientCallTimeOutPeriod = 60000
omniORB:   clientConnectTimeOutPeriod = 0
omniORB:   clientTransportRule = * unix,ssl,tcp
omniORB:   configFile = /etc/omniORB.cfg
omniORB:   connectionWatchImmediate = 0
omniORB:   connectionWatchPeriod = 50000
omniORB:   copyValuesInLocalCalls = 1
omniORB:   diiThrowsSysExceptions = 0
omniORB:   dumpConfiguration = 0
omniORB:   endPoint = giop:tcp:172.29.1.3:12348
omniORB:   endPointPublish = addr
omniORB:   giopMaxMsgSize = 2097152
omniORB:   giopTargetAddressMode = KeyAddr
omniORB:   id = omniORB4
omniORB:   idleThreadTimeout = 10
omniORB:   immediateAddressSwitch = 0
omniORB:   inConScanPeriod = 180
omniORB:   lcdMode = 0
omniORB:   maxGIOPConnectionPerServer = 10
omniORB:   maxGIOPVersion = 1.0
omniORB:   maxInterleavedCallsPerConnection = 5
omniORB:   maxServerThreadPerConnection = 100
omniORB:   maxServerThreadPoolSize = 100
omniORB:   maxSocketRecv = 2147483647
omniORB:   maxSocketSend = 2147483647
omniORB:   nativeCharCodeSet = ISO-8859-1
omniORB:   nativeWCharCodeSet = UTF-16
omniORB:   objectTableSize = 0
omniORB:   offerBiDirectionalGIOP = 0
omniORB:   oneCallPerConnection = 1
omniORB:   outConScanPeriod = 0
omniORB:   poaHoldRequestTimeout = 0
omniORB:   poaUniquePersistentSystemIds = 1
omniORB:   principal = [Null]
omniORB:   resetTimeOutOnRetries = 0
omniORB:   scanGranularity = 5
omniORB:   serverCallTimeOutPeriod = 0
omniORB:   serverTransportRule = * unix,ssl,tcp
omniORB:   socketSendBuffer = -1
omniORB:   strictIIOP = 1
omniORB:   supportBootstrapAgent = 0
omniORB:   supportCurrent = 1
omniORB:   supportPerThreadTimeOut = 0
omniORB:   tcAliasExpand = 0
omniORB:   threadPerConnectionLowerLimit = 9000
omniORB:   threadPerConnectionPolicy = 1
omniORB:   threadPerConnectionUpperLimit = 10000
omniORB:   threadPoolWatchConnection = 1
omniORB:   traceExceptions = 1
omniORB:   traceFile = [stderr]
omniORB:   traceInvocationReturns = 0
omniORB:   traceInvocations = 0
omniORB:   traceLevel = 40
omniORB:   traceThreadId = 0
omniORB:   traceTime = 0
omniORB:   unixTransportDirectory = /tmp/omni-%u
omniORB:   unixTransportPermission =  777
omniORB:   useTypeCodeIndirections = 1
omniORB:   validateUTF8 = 0
omniORB:   verifyObjectExistsAndType = 1

-- 
Best Regards,
Isaac
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