A fix is available
APAR status
Closed as program error.
Error description
On WebSphere Application Server 8.5, the maintenance mode break affinity is not correctly working. Maintenance mode - break affinity The On-demand router (ODR) typically does not send any requests to an application server in this mode (unless the request matches a rule which explicitly permits it to be routed to an application server in maintenance mode). When a request has established affinity to a cluster and the cluster is set to Maintenance mode - break affinity. Subsequent request from the same session will still be served even though there are no rules in place.
Local fix
Problem summary
**************************************************************** * USERS AFFECTED: All users of IBM WebSphere Application * * Server V8.5.0.1 * **************************************************************** * PROBLEM DESCRIPTION: Session affinity is maintained to a * * server placed into affinity breaking * * maintenance mode * **************************************************************** * RECOMMENDATION: * **************************************************************** When determining whether a request is viable for affinity to a target server, the runtime does not consider the specific maintenance mode type of the server.
Problem conclusion
The runtime now explicitly checks for a stop or break affinity maintenance mode. If found the runtime returns the expected 503 error. The fix for this APAR is currently targeted for inclusion in fix pack 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
PM79315
Reported component name
WEBS APP SERV N
Reported component ID
5724H8800
Reported release
850
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt
Submitted date
2012-12-17
Closed date
2012-12-20
Last modified date
2013-01-22
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
R850 PSY
UP
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Document Information
Modified date:
02 November 2021