The system runs out of memory on 64 bit OS when the JvmHeapSize is not adequately set for optimal performance.
Example: Errors below from the systemout.log should help in identifying this issue and how to resolve it:
ADME0006W: An exception occurred sending notification javax.management.Notification[source=WebSphere:name=RasLoggingService,process=MXServer,platform=proxy,node=ctgNode01,version=6.1.0.35,type=RasLoggingService,mbeanIdentifier=cells/ctgCell01/nodes/ctgNode01/servers/MXServer/server.xml#RASLoggingService_1228332252827,cell=ctgCell01,spec=1.0][type=websphere.ras.error][message=] to LocalNotificationService: java.lang.OutOfMemoryError
Line 1898: [4/18/11 13:21:13:105 EDT] 00000098 ServletWrappe E SRVE0068E: Uncaught exception thrown in one of the service methods of the servlet: ReportBridgeServlet. Exception thrown : java.lang.OutOfMemoryError
Line 2146: java.lang.OutOfMemoryError
Line 2206: [4/18/11 13:21:13:173 EDT] 00000099 ServletWrappe E SRVE0068E: Uncaught exception thrown in one of the service methods of the servlet: ReportBridgeServlet. Exception thrown : java.lang.OutOfMemoryError
Line 2417: java.lang.OutOfMemoryError
Line 2684: [4/18/11 13:21:13:274 EDT] 00000098 WebApp E [Servlet Error]-[ReportRequestProcessServlet]: java.lang.OutOfMemoryError
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