Fixes are available
8.5.0.2: WebSphere Application Server V8.5 Fix Pack 2
8.0.0.6: WebSphere Application Server V8.0 Fix Pack 6
8.0.0.7: WebSphere Application Server V8.0 Fix Pack 7
8.0.0.8: WebSphere Application Server V8.0 Fix Pack 8
8.0.0.9: WebSphere Application Server V8.0 Fix Pack 9
8.0.0.10: WebSphere Application Server V8.0 Fix Pack 10
8.0.0.11: WebSphere Application Server V8.0 Fix Pack 11
8.0.0.12: WebSphere Application Server V8.0 Fix Pack 12
8.0.0.13: WebSphere Application Server V8.0 Fix Pack 13
8.0.0.14: WebSphere Application Server V8.0 Fix Pack 14
8.0.0.15: WebSphere Application Server V8.0 Fix Pack 15
APAR status
Closed as program error.
Error description
Session Initiation Protocol (SIP) call flow with REINVITE and the Calling Party rejects reINVITE before receiving ACK from prior INVITE, the wrong CSEQs get used.
Local fix
Local Fix￘ N/A
Problem summary
**************************************************************** * USERS AFFECTED: All IBM WebSphere Application Server V8.0 * * and V8.5 Session Initiation Protocol (SIP) * * Container users. * **************************************************************** * PROBLEM DESCRIPTION: Wrong ACK CSEQ on delayed retransmit * * of 200 response * **************************************************************** * RECOMMENDATION: * **************************************************************** SIP Container used a cache mechanism over retransmiting of ACK messages. In case of dealyed response, the Container sends the last ACK message.
Problem conclusion
In case of restransmition by reinvite we should check whether the ACK is still relevant to the current response.The cause of the cached ACK request is for the previous final invite respose. The fix for this APAR is currently targeted for inclusion in fix packs 8.0.0.6 and 8.5.0.2. Please refer to the Recommended Updates page for delivery information: http://www.ibm.com/support/docview.wss?rs=180&uid=swg27004980
Temporary fix
Comments
APAR Information
APAR number
PM72839
Reported component name
WEBS APP SERV N
Reported component ID
5724H8800
Reported release
800
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt
Submitted date
2012-09-13
Closed date
2012-10-08
Last modified date
2012-10-08
APAR is sysrouted FROM one or more of the following:
PM71821
APAR is sysrouted TO one or more of the following:
Fix information
Fixed component name
WEBS APP SERV N
Fixed component ID
5724H8800
Applicable component levels
R800 PSY
UP
R850 PSY
UP
Document Information
Modified date:
29 October 2021