Fixes are available
8.5.5.3: WebSphere Application Server V8.5.5 Fix Pack 3
8.5.5.4: WebSphere Application Server V8.5.5 Fix Pack 4
8.5.5.5: WebSphere Application Server V8.5.5 Fix Pack 5
8.5.5.6: WebSphere Application Server V8.5.5 Fix Pack 6
8.5.5.7: WebSphere Application Server V8.5.5 Fix Pack 7
8.5.5.8: WebSphere Application Server V8.5.5 Fix Pack 8
8.5.5.9: WebSphere Application Server V8.5.5 Fix Pack 9
8.5.5.10: WebSphere Application Server V8.5.5 Fix Pack 10
8.5.5.11: WebSphere Application Server V8.5.5 Fix Pack 11
8.0.0.13: WebSphere Application Server V8.0 Fix Pack 13
8.5.5.12: WebSphere Application Server V8.5.5 Fix Pack 12
8.0.0.14: WebSphere Application Server V8.0 Fix Pack 14
8.5.5.13: WebSphere Application Server V8.5.5 Fix Pack 13
8.0.0.15: WebSphere Application Server V8.0 Fix Pack 15
8.5.5.14: WebSphere Application Server V8.5.5 Fix Pack 14
8.5.5.15: WebSphere Application Server V8.5.5 Fix Pack 15
8.5.5.14: WebSphere Application Server V8.5.5 Fix Pack 14
8.5.5.17: WebSphere Application Server V8.5.5 Fix Pack 17
8.5.5.20: WebSphere Application Server V8.5.5.20
8.5.5.18: WebSphere Application Server V8.5.5 Fix Pack 18
8.5.5.19: WebSphere Application Server V8.5.5 Fix Pack 19
8.5.5.16: WebSphere Application Server V8.5.5 Fix Pack 16
8.5.5.21: WebSphere Application Server V8.5.5.21
APAR status
Closed as program error.
Error description
In a system w/clusters that send msgs across via SIB until: FFDC Exception:com.ibm.ws.tcpchannelproxy.jfap. DataspaceInternalErrorException SourceId:class com.ibm.ws. tcpchannelproxy.jfap.impl.TCPProxyWriteRequestContext.write ProbeId: 00100001 Reporter:com.ibm.ws.tcpchannelproxy.jfap.impl. TCPProxyWriteRequestContext@c97ba750 com.ibm.ws.tcpchannelproxy.jfap.DataspaceInternalErrorException: Internal JFAP communication error occurred: RC=8, RSN=6" error and the appl.could not send its messages. Afterwards without any interruption, it started to send messages again. In other words, a temporary error, sporadic in its appearance.
Local fix
n/a
Problem summary
**************************************************************** * USERS AFFECTED: All users of IBM WebSphere Application * * Server V8.0 and V8.5 * **************************************************************** * PROBLEM DESCRIPTION: Internal JFAP communication error * * causes message sends to temporarily * * stop working. * **************************************************************** * RECOMMENDATION: * **************************************************************** Incorrect serialization of the adjunct pause element token can cause the servant to be released twice. FFDC Exception:com.ibm.ws.tcpchannelproxy.jfap. DataspaceInternalErrorException SourceId:class com.ibm.ws. tcpchannelproxy.jfap.impl.TCPProxyWriteRequestContext.write ProbeId: 00100001 Reporter:com.ibm.ws.tcpchannelproxy.jfap.impl. TCPProxyWriteRequestContext@c97ba750 com.ibm.ws.tcpchannelproxy.jfap.DataspaceInternalErrorException: Internal JFAP communication error occurred: RC=8, RSN=6" Traces showed this flow: Servant release of adjunct failed so servant is released with JfapGetRecvStopReleaseCode 2 Trace: 2014/01/30 16:17:25.616 02 t=6BA620 c=UNK key=P8 tag= (0301F00E) Description: bbocjfpu bbocjfpp return return code: 0 reason code: 0 Adjunct purge function releases servant with JfapGetRecvCraPurgeReleaseCode 3 This is the release that hits the servant after the time gap. Trace: 2014/01/30 16:17:25.617 02 t=6C3E88 c=UNK key=P8 tag= (0301F00D) Description: bbocjfpu bbocjfpp call connect token: data_address=000000496ebfe96c, data_length=12 Servant trace of getting control after being released with JfapGetRecvStopReleaseCode 2 Trace: 2014/01/30 16:17:25.617 02 t=6B0828 c=UNK key=P8 tag= (0301F014) Description: bbocjfpu bbocjfgq return return code: 4 reasonCode: 6 Time Gap Servant trace of getting control after being released with JfapGetRecvCraPurgeReleaseCode 3 Trace: 2014/01/30 16:34:10.706 02 t=6B0828 c=UNK key=P8 tag= (0301F014) Description: bbocjfpu bbocjfgq return return code: 4 reasonCode: 7
Problem conclusion
Changed the code to serialize the release of the adjunct pause element token. APAR PI12834 is currently targeted for inclusion in Fix Pack 8.5.5.3 of WebSphere Application Server V8.5 and Fix Pack 8.0.0.13 of WebSphere Application Server V8.0. Please refer to the Recommended Updates page for delivery information: http://www.ibm.com/support/docview.wss?rs=180&uid=swg27004980 In addition, please refer to URL: http://www.ibm.com/support/docview.wss?rs=404&uid=swg27006970 for Fix Pack PTF information.
Temporary fix
Comments
APAR Information
APAR number
PI12834
Reported component name
WEBSPHERE FOR Z
Reported component ID
5655I3500
Reported release
850
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt / Xsystem
Submitted date
2014-02-28
Closed date
2014-05-22
Last modified date
2020-10-14
APAR is sysrouted FROM one or more of the following:
APAR is sysrouted TO one or more of the following:
Fix information
Fixed component name
WEBSPHERE FOR Z
Fixed component ID
5655I3500
Applicable component levels
R850 PSY
UP
Document Information
Modified date:
28 April 2022