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buda-base / lds-pdi

http://purl.bdrc.io BDRC Linked Data Server
Apache License 2.0
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MemoryShrinker thread is causing an error at startup #81

Closed MarcAgate closed 5 years ago

MarcAgate commented 6 years ago

For some reason, enabling jcs memory Shrinker in cache.ccf is now throwing the following which prevents ldspdi from starting normally: 

AVERTISSEMENT: The web application [ROOT] appears to have started a thread named [JCS-Scheduler-Thread-10] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread:
 sun.misc.Unsafe.park(Native Method)
 java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
 java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
 java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1088)
 java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)
 java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
 java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
 java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
 java.lang.Thread.run(Thread.java:748)
MarcAgate commented 5 years ago

This error is gone now. I beleive this is due to renaming the cache from "default" to "ldspdi'