Weblogic ExecuteThread: Stopping/Restarting Java Execution Every Minute

(Doc ID 1278296.1)

Last updated on NOVEMBER 05, 2016

Applies to:

Oracle JRockit - Version: R27.5 to R27.6 - Release: JRockit to JRockit
Information in this document applies to any platform.


On Applications Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0_14-b03) BEA JRockit(R) (build R27.5.0-110-94909-1.5.0_14-20080204-1558-linux-ia32, compiled mode) :

Found from JRockit verbose log, we see the following log entries: ExecuteThreads are stopped/restarted exactly every minute. These log entries are usually happened between two Garbage Collection cycles.
An example is following:

75955 [memory ][Wed Sep 22 10:33:47 2010][28293] 390390.310-390392.240: GC 882798K->625936K (1048576K), sum of pauses 61.710 ms
75956 [memdbg ][Wed Sep 22 10:33:47 2010][28293] Page faults before GC: 1, page faults after GC: 1, pages in heap: 262144
75957 [finaliz][Wed Sep 22 10:33:47 2010][28293] (OC) Pending finalizers 0->0
75958 [thread ][Wed Sep 22 10:33:47 2010][28293] Thread 0xb68bbb80 ((GC Main Thread)) is restarting java execution (@11418).
75959 [memdbg ][Wed Sep 22 10:33:47 2010][28293] Restarting of javathreads took 0.100 ms
75960 [thread ][Wed Sep 22 10:34:46 2010][28293] Thread 0xb11123f0 ([ACTIVE] ExecuteThread: '5' for) is stopping java execution (@11419). "STOPPING THREAD HERE"
75961 [thread ][Wed Sep 22 10:34:55 2010][28293] Thread 0xb11123f0 ([ACTIVE] ExecuteThread: '5' for) is restarting java execution (@11419)."STARTING THREAD HERE"
75962 [memdbg ][Wed Sep 22 10:35:29 2010][28293] GC reason: GC trigger reached, cause: Heap too full "FULL GC TRIGGERED"
75963 [thread ][Wed Sep 22 10:35:29 2010][28293] Thread 0xb68bbb80 ((GC Main Thread)) is stopping java execution (@11420).



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