BAM server becomes unresponsive due to NullPointerException (Doc ID 1994904.1)

Last updated on SEPTEMBER 15, 2016

Applies to:

Oracle BAM (Business Activity Monitoring) - Version 11.1.1.7.0 and later
Information in this document applies to any platform.

Symptoms

On : 11.1.1.7.0 version,

BAM is crashing frequently due to the following java.lang.NullPointerException:


[probKey: DFW-99998 [java.lang.NullPointerException][oracle.bam.common.timers.ExpireTask$1.run][oracle-bam]] [APP: oracle-bam#11.1.1]
incident 106 created with problem key "DFW-99998 [java.lang.NullPointerException][oracle.bam.common.timers.ExpireTask$1.run][oracle-bam]"

[bam_server1] [ERROR] [] [oracle.bam.reportcache] [tid: [ACTIVE].ExecuteThread: '10' for queue: 'weblogic.kernel.Default (self-tuning)'] [userId: weblogic] [ecid: 0053Pkq_Rws5EgC5zF_AiW0006r600LJsM,0] [APP: oracle-bam#11.1.1] ReportCache: ReportCacheServer.resetViewSetTimeout: exception=Timer already cancelled. [[

 at java.util.Timer.sched(Timer.java:397)
 at java.util.Timer.schedule(Timer.java:193)
 at oracle.bam.common.timers.ExpireTask.reset(ExpireTask.java:95)
 at oracle.bam.common.timers.ExpireBase.resetTimeout(ExpireBase.java:38)
 at oracle.bam.reportcache.engine.CacheEngine.resetViewSetTimeout(CacheEngine.java:1288)
 at oracle.bam.reportcache.server.ReportCacheService.resetViewSetTimeout(ReportCacheService.java:497)
 at oracle.bam.reportcache.ejb.ReportCacheServerBean.resetViewSetTimeout(ReportCacheServerBean.java:336)
 at sun.reflect.GeneratedMethodAccessor980.invoke(Unknown Source)
 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
 at java.lang.reflect.Method.invoke(Method.java:606)



Cause

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