Fixes are available
APAR status
Closed as program error.
Error description
Heapdump show leak in WebFragMergerImpl com.ibm.ws.webcontainer.webapp.WebAppImpl @ 0xd2f51a90 |- com.ibm.ws.webcontainer.webapp.WebAppConfigurationImpl @ 0xd2ba2900 | |- com.ibm.ws.webfragmerger.WebFragMergerImpl @ 0xd2d8ea00 | | |- org.eclipse.jst.j2ee.commonarchivecore.internal.impl.WARFragment FileImpl @ 0xd2baafe8 | | |- org.eclipse.jst.j2ee.commonarchivecore.internal.impl.WARFragment FileImpl @ 0xd2baca28
Local fix
restart application server
Problem summary
**************************************************************** * USERS AFFECTED: IBM WebSphere Application Server version * * 8.5.5 and 9.0 users of WebContainer * **************************************************************** * PROBLEM DESCRIPTION: A memory leak could occur when * * repeatedly restarting an application. * **************************************************************** * RECOMMENDATION: * **************************************************************** Restarting an application repeatedly could cause a memory leak. Example of the memory leak stack: com.ibm.ws.webcontainer.webapp.WebAppImpl @ 0xd2f51a90d |- com.ibm.ws.webcontainer.webapp.WebAppConfigurationImpl @ 0xd2ba2900 | |- com.ibm.ws.webfragmerger.WebFragMergerImpl @ 0xd2d8ea00 | | |- org.eclipse.jst.j2ee.commonarchivecore.internal.impl.WARFragment FileImpl @ 0xd2baafe8 | | | |- org.eclipse.jst.j2ee.commonarchivecore.internal.helpers.ArchiveM anifestImpl @ 0xd4bbcfc0 | | | | |- java.util.jar.Attributes @ 0xd4bc4ea8 | | | | | '- java.util.HashMap @ 0xd4cdb5b0 | | | | | '- java.util.HashMap$Node[64] @ 0xd50bf288
Problem conclusion
The WebContainer code was modified to prevent the memory leak. The fix for this APAR is currently targeted for inclusion in fixpack 8.5.5.17 and 9.0.5.2. 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
PH16279
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
2019-09-03
Closed date
2019-11-21
Last modified date
2019-11-21
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":"9.0","Line of Business":{"code":"LOB45","label":"Automation"}}]
Document Information
Modified date:
02 November 2021