PK19063: WEBSPHERE NODEAGENT CONSUMES HIGH CPU | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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APAR status Closed as program error. Error description The NodeAgent consumes high CPU. The call stack seen for the thread taking high cycles: "ORB.thread.pool : 47" (TID:0x304E8D78, sys_thread_t: 0x79D613A0, state:R, native ID:0x10F13) prio=5 at java.util.HashMap.get at com.ibm.ws.cluster.topography.DescriptionManagerA .getDescription at com.ibm.ws.cluster.propagation.DescriptionManagerImpl.update ... This is due to unprotected accessing of a HashMap.Local fix Problem summary **************************************************************** * USERS AFFECTED: WebSphere Application Server version 5.0.2 * * PME and 5.1.1 WBI users of WorkLoad * * Management (WLM) * **************************************************************** * PROBLEM DESCRIPTION: ConcurrentModificationException in * * DescriptionManagerA * **************************************************************** * RECOMMENDATION: * **************************************************************** The call stack seen for the thread taking high cycles: "ORB.thread.pool : 47" (TID:0x304E8D78, sys_thread_t: 0x79D613A0, state:R, native ID:0x10F13) prio=5 at java.util.HashMap.get at com.ibm.ws.cluster.topography.DescriptionManagerA .getDescription at com.ibm.ws.cluster.propagation.DescriptionManagerImpl.update ... This is due to unprotected accessing of a HashMap.Problem conclusion The methods in DescriptionManagerA were synchronized to prevent the ConcurrentModificationException from occurring.Temporary fix Comments
APAR is sysrouted FROM one or more of the following: APAR is sysrouted TO one or more of the following: Modules/Macros
Publications Referenced
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Product categories: Software > Application Servers >
Distributed Application & Web Servers > WebSphere Application
Server > General
Operating system(s):
Software version: 10A
Software edition:
Reference #: PK19063
IBM Group: Software Group
Modified date: Mar 6, 2006
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