A fix is available
APAR status
Closed as program error.
Error description
Customer has a very big cell. When the cell was idle, customer saw very high in CPU usage. After taking the dumps we saw a lot of CPU spent in java/util/jar/JarFile.getEntry. The problem is javax/xml/parsers/DocumentBuilderFactory.newInstance being called so frequently.
Local fix
Problem summary
**************************************************************** * USERS AFFECTED: All users of IBM WebSphere Application * * Server V7.0 * * * **************************************************************** * PROBLEM DESCRIPTION: High CPU usage on an idle system. * * * **************************************************************** * RECOMMENDATION: * **************************************************************** A customer with a very large cell noticed high CPU usage when the system was idle. Dumps showed that javax/xml/parsers/DocumentBuilderFactory.newInstance in SOAP-related code was being called frequently.
Problem conclusion
SOAP code was modified to cache and reuse DocumentBuilder rather than frequently creating a new one. APAR PM23611 is currently targeted for inclusion in Service Level (Fix Pack) 7.0.0.13 of WebSphere Application Server V7.0. Please refer to URL: //www.ibm.com/support/docview.wss?rs=404&uid=swg27006970 for Fix Pack availability.
Temporary fix
Comments
APAR Information
APAR number
PM23611
Reported component name
WEBSPHERE FOR Z
Reported component ID
5655I3500
Reported release
700
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt
Submitted date
2010-09-30
Closed date
2010-10-06
Last modified date
2010-11-03
APAR is sysrouted FROM one or more of the following:
APAR is sysrouted TO one or more of the following:
Modules/Macros
BBGUBINF BBOUBINF
Fix information
Fixed component name
WEBSPHERE FOR Z
Fixed component ID
5655I3500
Applicable component levels
R700 PSY UK61146
UP10/10/21 P F010
Fix is available
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Document Information
Modified date:
10 February 2022