APAR status
Closed as program error.
Error description
IHS processes use 100% CPU and diagnostics show "status_handler" running in multiple threads parsing JSON.
Local fix
Problem summary
**************************************************************** * USERS AFFECTED: All users of IBM WebSphere Application * * Server * * using Intelligent Management Enabled Web * * Servers * **************************************************************** * PROBLEM DESCRIPTION: This problem results from concurrent * * requests for server-status on some * * platforms. * **************************************************************** * RECOMMENDATION: * **************************************************************** Observed on Aix with a customer who had automated server-status requests. Once the race condition occurs the request threads were seen to loop and consume cpu. Further requests for server- status are not completed. Hang mustgather will show threads with '<odrGetStateInfo<ws_odrGetStateInfo<websphere_status_hook' in the stacks.
Problem conclusion
A small timing window has been closed, preventing the race condition. The fix for this APAR is targeted for inclusion in fix pack 8.5.5.20 & 9.0.5.8. For more information, see 'Recommended Updates for WebSphere Application Server': https://www.ibm.com/support/pages/node/715553
Temporary fix
Comments
APAR Information
APAR number
PH37099
Reported component name
WEBS APP SERV N
Reported component ID
5724H8800
Reported release
850
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt / Xsystem
Submitted date
2021-05-10
Closed date
2021-06-07
Last modified date
2021-06-07
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
R900 PSY
UP
[{"Business Unit":{"code":"BU059","label":"IBM Software w\/o TPS"},"Product":{"code":"SSEQTP","label":"WebSphere Application Server"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"8.5","Line of Business":{"code":"LOB45","label":"Automation"}}]
Document Information
Modified date:
02 November 2021