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https://issues.apache.org/jira/browse/GEODE-3937?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16266737#comment-16266737
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ASF GitHub Bot commented on GEODE-3937:
---------------------------------------

dineshpune2006 commented on issue #1002: GEODE-3937:Fix NPE when executing 
removeFromDisk
URL: https://github.com/apache/geode/pull/1002#issuecomment-347169288
 
 
   destroyKey it will remove the key & value. i am trying to clear the queue 
which meas. it will remove key & value holding inside a region which hold by 
async-queue. 
   
   can i add clear method in ParallelGatewaySenderQueue.java and create another 
pull request??

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> Fix NPE when executing  removeFromDisk
> --------------------------------------
>
>                 Key: GEODE-3937
>                 URL: https://issues.apache.org/jira/browse/GEODE-3937
>             Project: Geode
>          Issue Type: Bug
>          Components: wan
>            Reporter: dinesh akhand
>            Priority: Trivial
>
> While executing the test case or clearQueueTestOnly method. we can see 
> exception
> [vm4] java.lang.NullPointerException
> [vm4]         at 
> org.apache.geode.internal.cache.entries.DiskEntry$Helper.removeFromDisk(DiskEntry.java:1519)
> [vm4]         at 
> org.apache.geode.internal.cache.entries.AbstractOplogDiskRegionEntry.removePhase1(AbstractOplogDiskRegionEntry.java:50)
> [vm4]         at 
> org.apache.geode.internal.cache.entries.AbstractRegionEntry.destroy(AbstractRegionEntry.java:914)
> [vm4]         at 
> org.apache.geode.internal.cache.AbstractRegionMap.destroyEntry(AbstractRegionMap.java:3100)
> [vm4]         at 
> org.apache.geode.internal.cache.AbstractRegionMap.destroy(AbstractRegionMap.java:1429)
> [vm4]         at 
> org.apache.geode.internal.cache.LocalRegion.mapDestroy(LocalRegion.java:6465)
> [vm4]         at 
> org.apache.geode.internal.cache.LocalRegion.mapDestroy(LocalRegion.java:6439)
> [vm4]         at 
> org.apache.geode.internal.cache.BucketRegion.basicDestroy(BucketRegion.java:1167)
> [vm4]         at 
> org.apache.geode.internal.cache.AbstractBucketRegionQueue.basicDestroy(AbstractBucketRegionQueue.java:352)
> [vm4]         at 
> org.apache.geode.internal.cache.BucketRegionQueue.basicDestroy(BucketRegionQueue.java:366)
> [vm4]         at 
> org.apache.geode.internal.cache.LocalRegion.validatedDestroy(LocalRegion.java:1101)
> [vm4]         at 
> org.apache.geode.internal.cache.DistributedRegion.validatedDestroy(DistributedRegion.java:942)
> [vm4]         at 
> org.apache.geode.internal.cache.LocalRegion.destroy(LocalRegion.java:1086)
> [vm4]         at 
> org.apache.geode.internal.cache.AbstractRegion.destroy(AbstractRegion.java:315)
> [vm4]         at 
> org.apache.geode.internal.cache.LocalRegion.remove(LocalRegion.java:8870)
> [vm4]         at 
> org.apache.geode.internal.cache.wan.parallel.ParallelGatewaySenderQueue.clearPartitionedRegion(ParallelGatewaySenderQueue.java:1820)
> [vm4]         at 
> org.apache.geode.internal.cache.wan.parallel.ParallelGatewaySenderQueue.clearQueue(ParallelGatewaySenderQueue.java:1795)
> [vm4]         at 
> org.apache.geode.internal.cache.wan.parallel.ConcurrentParallelGatewaySenderQueue.clearQueue(ConcurrentParallelGatewaySenderQueue.java:236)
> [vm4]         at 
> org.apache.geode.internal.cache.wan.WANTestBase.clearGatewaySender(WANTestBase.java:256)
> [vm4]         at 
> org.apache.geode.internal.cache.wan.parallel.ParallelGatewaySenderQueueOverflowDUnitTest.lambda$8(ParallelGatewaySenderQueueOverflowDUnitTest.java:96)
> [vm4]         at 
> org.apache.geode.internal.cache.wan.parallel.ParallelGatewaySenderQueueOverflowDUnitTest$$Lambda$42/144498586.run(Unknown
>  Source)
> [vm4]         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)



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