APAR status
Closed as program error.
Error description
This APAR is for integration of similar Tomcat fixes: https://bz.apache.org/bugzilla/show_bug.cgi?id=62453 and https://bz.apache.org/bugzilla/show_bug.cgi?id=57583 These are aimed at improving performance in relation to how classes are loaded within the EL implementation.
Local fix
Problem summary
**************************************************************** * USERS AFFECTED: IBM WebSphere Application Server * * 9.0 and Liberty users of JavaServer Pages * * (JSP) 2.3 and Expression Language (EL) * * 3.0. * **************************************************************** * PROBLEM DESCRIPTION: JSP 2.3 applications using EL 3.0 * * unscoped or static values may see * * longer page load times. * **************************************************************** * RECOMMENDATION: * **************************************************************** By optimizing EL 3.0 context handling and classloader calls, the evaluations of EL unscoped and static expressions perform better with this fix. This is a port of Apache bug fix 62453. The issue was previously described in informational APAR PI92335 and relates to the specification changes in EL 3.0 that expand the supported evaluation types.
Problem conclusion
EL performance is improved for unscoped and static values. The fix for this APAR is targeted for version 9.0.5.7 and 21.0.0.2. 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
PH31416
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
2020-11-09
Closed date
2021-01-25
Last modified date
2021-08-04
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
[{"Business Unit":{"code":"BU059","label":"IBM Software w\/o TPS"},"Product":{"code":"SSEQTP","label":"WebSphere Application Server"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"9.0","Line of Business":{"code":"LOB45","label":"Automation"}}]
Document Information
Modified date:
02 November 2021