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Posted to issues@geode.apache.org by "Anthony Baker (JIRA)" <ji...@apache.org> on 2017/06/17 18:04:35 UTC
[jira] [Closed] (GEODE-2799) ClassCastException: java.lang.Long
cannot be cast to org.apache.geode.internal.cache.AbstractRegionEntry could
occur in race condition
[ https://issues.apache.org/jira/browse/GEODE-2799?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Anthony Baker closed GEODE-2799.
--------------------------------
> ClassCastException: java.lang.Long cannot be cast to org.apache.geode.internal.cache.AbstractRegionEntry could occur in race condition
> --------------------------------------------------------------------------------------------------------------------------------------
>
> Key: GEODE-2799
> URL: https://issues.apache.org/jira/browse/GEODE-2799
> Project: Geode
> Issue Type: Bug
> Components: transactions
> Reporter: Eric Shu
> Assignee: Eric Shu
> Fix For: 1.2.0
>
>
> {noformat}
> java.lang.ClassCastException: java.lang.Long cannot be cast to org.apache.geode.internal.cache.AbstractRegionEntry
> at org.apache.geode.internal.cache.LocalRegionDataView.getKeyForIterator(LocalRegionDataView.java:203)
> at org.apache.geode.internal.cache.TXStateProxyImpl.getKeyForIterator(TXStateProxyImpl.java:766)
> at org.apache.geode.internal.cache.EntriesSet$EntriesIterator.moveNext(EntriesSet.java:159)
> at org.apache.geode.internal.cache.EntriesSet$EntriesIterator.(EntriesSet.java:118)
> at org.apache.geode.internal.cache.EntriesSet.iterator(EntriesSet.java:83)
> at java.util.AbstractCollection.addAll(AbstractCollection.java:343)
> at java.util.TreeSet.addAll(TreeSet.java:312)
> at java.util.TreeSet.(TreeSet.java:160)
> at org.apache.geode.internal.cache.BucketRegionQueue.initializeEventSeqNumQueue(BucketRegionQueue.java:145)
> at org.apache.geode.internal.cache.BucketRegionQueue.cleanUpDestroyedTokensAndMarkGIIComplete(BucketRegionQueue.java:108)
> at org.apache.geode.internal.cache.DistributedRegion.getInitialImageAndRecovery(DistributedRegion.java:1288)
> at org.apache.geode.internal.cache.DistributedRegion.initialize(DistributedRegion.java:1080)
> at org.apache.geode.internal.cache.BucketRegion.initialize(BucketRegion.java:251)
> at org.apache.geode.internal.cache.LocalRegion.createSubregion(LocalRegion.java:960)
> at org.apache.geode.internal.cache.PartitionedRegionDataStore.createBucketRegion(PartitionedRegionDataStore.java:736)
> at org.apache.geode.internal.cache.PartitionedRegionDataStore.grabFreeBucket(PartitionedRegionDataStore.java:424)
> at org.apache.geode.internal.cache.PartitionedRegionDataStore.grabFreeBucketRecursively(PartitionedRegionDataStore.java:282)
> at org.apache.geode.internal.cache.PartitionedRegionDataStore.grabBucket(PartitionedRegionDataStore.java:2860)
> at org.apache.geode.internal.cache.PartitionedRegionDataStore.handleManageBucketRequest(PartitionedRegionDataStore.java:1001)
> at org.apache.geode.internal.cache.PRHARedundancyProvider.createBucketOnMember(PRHARedundancyProvider.java:1214)
> at org.apache.geode.internal.cache.PRHARedundancyProvider.createBucketInstance(PRHARedundancyProvider.java:390)
> at org.apache.geode.internal.cache.PRHARedundancyProvider.createBucketAtomically(PRHARedundancyProvider.java:578)
> at org.apache.geode.internal.cache.PartitionedRegion.createBucket(PartitionedRegion.java:3257)
> at org.apache.geode.internal.cache.partitioned.RegionAdvisor$BucketSet$BucketSetIterator.next(RegionAdvisor.java:1422)
> at org.apache.geode.internal.cache.PartitionedRegion$KeysSet$KeysSetIterator.getNextBucketIter(PartitionedRegion.java:6247)
> at org.apache.geode.internal.cache.PartitionedRegion$KeysSet$KeysSetIterator.hasNext(PartitionedRegion.java:6220)
> at org.apache.geode.internal.cache.PartitionedRegion$KeysSet.toArray(PartitionedRegion.java:6322)
> at org.apache.geode.internal.cache.PartitionedRegion$KeysSet.toArray(PartitionedRegion.java:6316)
> at java.util.Collections$UnmodifiableCollection.toArray(Collections.java:1033)
> at java.util.ArrayList.addAll(ArrayList.java:577)
> {noformat}
> KeySet createIterator in transaction always creates keyset(). When a transaction accesses the items, it suspends the transaction and assumes the items provided by iterator are AbrstractRegionEntry.
> private void createIterator(final LocalRegion rgn) {
> // TX iterates over KEYS.
> // NonTX iterates over RegionEntry instances
> this.currRgn = rgn;
> this.currItr = view.getRegionKeysForIteration(rgn).iterator();
> this.additionalKeysFromView = view.getAdditionalKeysForIterator(rgn);
> }
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