Fixes are available
9.0.0.1: WebSphere Application Server traditional V9.0 Fix Pack 1
9.0.0.2: WebSphere Application Server traditional V9.0 Fix Pack 2
9.0.0.3: WebSphere Application Server traditional V9.0 Fix Pack 3
9.0.0.4: WebSphere Application Server traditional V9.0 Fix Pack 4
9.0.0.5: WebSphere Application Server traditional V9.0 Fix Pack 5
9.0.0.6: WebSphere Application Server traditional V9.0 Fix Pack 6
9.0.0.7: WebSphere Application Server traditional V9.0 Fix Pack 7
9.0.0.8: WebSphere Application Server traditional V9.0 Fix Pack 8
9.0.0.9: WebSphere Application Server traditional V9.0 Fix Pack 9
9.0.0.10: WebSphere Application Server traditional V9.0 Fix Pack 10
9.0.0.11: WebSphere Application Server traditional V9.0 Fix Pack 11
9.0.5.0: WebSphere Application Server traditional Version 9.0.5 Refresh Pack
9.0.5.1: WebSphere Application Server traditional Version 9.0.5 Fix Pack 1
9.0.5.2: WebSphere Application Server traditional Version 9.0.5 Fix Pack 2
9.0.5.3: WebSphere Application Server traditional Version 9.0.5 Fix Pack 3
9.0.5.4: WebSphere Application Server traditional Version 9.0.5 Fix Pack 4
9.0.5.5: WebSphere Application Server traditional Version 9.0.5 Fix Pack 5
WebSphere Application Server traditional 9.0.5.6
9.0.5.7: WebSphere Application Server traditional Version 9.0.5 Fix Pack 7
9.0.5.8: WebSphere Application Server traditional Version 9.0.5.8
9.0.5.9: WebSphere Application Server traditional Version 9.0.5.9
9.0.5.10: WebSphere Application Server traditional Version 9.0.5.10
9.0.5.11: WebSphere Application Server traditional Version 9.0.5.11
APAR status
Closed as program error.
Error description
com.ibm.ws.webcontainer.channel.WCChannelLink finishBufferAsynch SRVE8104E: Internal Server Error. Exception Message: [{0}] com.ibm.wsspi.genericbnf.exception.MessageSentException: Message already sent exception is thrown during Websocket request.
Local fix
Problem summary
**************************************************************** * USERS AFFECTED: All users of IBM WebSphere Application * * Server * **************************************************************** * PROBLEM DESCRIPTION: A WebSocket Upgrade request to the * * server may throw a * * "NullPointerException" followed by * * "MessageSentException: Message * * already sent" . * **************************************************************** * RECOMMENDATION: * **************************************************************** While processing the WebSocket Upgrade request the connection is destroyed internally; this causes the request to fail, and the following exceptions are thrown: WCChannelLink E com.ibm.ws.webcontainer.channel.WCChannelLink finishBufferAsynch SRVE8104E: Internal Server Error. Exception Message: [{0}] java.lang.NullPointerException at com.ibm.ws.webcontainer.channel.WCChannelLink.finishBufferAsynch (WCChannelLink.java:760) and om.ibm.ws.webcontainer.channel.WCChannelLink finishBufferAsynch SRVE8104E: Internal Server Error. Exception Message: [{0}] com.ibm.wsspi.genericbnf.exception.MessageSentException: Message already sent
Problem conclusion
The WebContainer code was modified to handle the WebSocket Upgrade request correctly when the connection is destroyed. The fix for this APAR is currently targeted for inclusion in fix pack 9.0.0.1. 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
PI63745
Reported component name
WEBS APP SERV N
Reported component ID
5724H8800
Reported release
900
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt / Xsystem
Submitted date
2016-06-08
Closed date
2016-08-09
Last modified date
2016-08-09
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
WEBS APP SERV N
Fixed component ID
5724H8800
Applicable component levels
R900 PSY
UP
Document Information
Modified date:
03 May 2022