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From "Adam Hattrell (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CASSANDRA-10626) Seeing repeated Uncaught exception on thread Thread[SharedPool-Worker-1,5,main]: {} java.lang.AssertionError: null in logs
Date Fri, 30 Oct 2015 15:33:27 GMT
Adam Hattrell created CASSANDRA-10626:
-----------------------------------------

             Summary: Seeing repeated Uncaught exception on thread Thread[SharedPool-Worker-1,5,main]:
{} java.lang.AssertionError: null in logs
                 Key: CASSANDRA-10626
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-10626
             Project: Cassandra
          Issue Type: Bug
            Reporter: Adam Hattrell


Seeing repeated messages similar to the following filling up the logs when running with  

memtable_allocation_type: offheap_objects

Using the native allocator.

{noformat}
WARN  [SharedPool-Worker-1] 2015-10-29 19:52:33,703  AbstractTracingAwareExecutorService.java:169
- Uncaught exception on thread Thread[SharedPool-Worker-1,5,main]: {}
java.lang.AssertionError: null
	at org.apache.cassandra.db.AbstractNativeCell.checkPosition(AbstractNativeCell.java:585)
~[cassandra-all-2.1.8.689.jar:2.1.8.689]
	at org.apache.cassandra.db.AbstractNativeCell.getByteBuffer(AbstractNativeCell.java:657)
~[cassandra-all-2.1.8.689.jar:2.1.8.689]
	at org.apache.cassandra.db.AbstractNativeCell.get(AbstractNativeCell.java:304) ~[cassandra-all-2.1.8.689.jar:2.1.8.689]
	at org.apache.cassandra.db.AbstractNativeCell.get(AbstractNativeCell.java:291) ~[cassandra-all-2.1.8.689.jar:2.1.8.689]
	at org.apache.cassandra.db.AbstractNativeCell.sizeOf(AbstractNativeCell.java:132) ~[cassandra-all-2.1.8.689.jar:2.1.8.689]
	at org.apache.cassandra.db.AbstractNativeCell.<init>(AbstractNativeCell.java:120) ~[cassandra-all-2.1.8.689.jar:2.1.8.689]
	at org.apache.cassandra.db.NativeCell.<init>(NativeCell.java:40) ~[cassandra-all-2.1.8.689.jar:2.1.8.689]
	at org.apache.cassandra.utils.memory.NativeAllocator.clone(NativeAllocator.java:72) ~[cassandra-all-2.1.8.689.jar:2.1.8.689]
	at org.apache.cassandra.db.NativeCell.localCopy(NativeCell.java:64) ~[cassandra-all-2.1.8.689.jar:2.1.8.689]
	at org.apache.cassandra.db.AtomicBTreeColumns$ColumnUpdater.apply(AtomicBTreeColumns.java:445)
~[cassandra-all-2.1.8.689.jar:2.1.8.689]
	at org.apache.cassandra.db.AtomicBTreeColumns$ColumnUpdater.apply(AtomicBTreeColumns.java:418)
~[cassandra-all-2.1.8.689.jar:2.1.8.689]
	at org.apache.cassandra.utils.btree.NodeBuilder.addNewKey(NodeBuilder.java:322) ~[cassandra-all-2.1.8.689.jar:2.1.8.689]
	at org.apache.cassandra.utils.btree.NodeBuilder.update(NodeBuilder.java:190) ~[cassandra-all-2.1.8.689.jar:2.1.8.689]
	at org.apache.cassandra.utils.btree.Builder.update(Builder.java:74) ~[cassandra-all-2.1.8.689.jar:2.1.8.689]
	at org.apache.cassandra.utils.btree.BTree.update(BTree.java:186) ~[cassandra-all-2.1.8.689.jar:2.1.8.689]
	at org.apache.cassandra.db.AtomicBTreeColumns.addAllWithSizeDelta(AtomicBTreeColumns.java:225)
~[cassandra-all-2.1.8.689.jar:2.1.8.689]
	at org.apache.cassandra.db.Memtable.put(Memtable.java:210) ~[cassandra-all-2.1.8.689.jar:2.1.8.689]
	at org.apache.cassandra.db.ColumnFamilyStore.apply(ColumnFamilyStore.java:1229) ~[cassandra-all-2.1.8.689.jar:2.1.8.689]
	at org.apache.cassandra.db.Keyspace.apply(Keyspace.java:400) ~[cassandra-all-2.1.8.689.jar:2.1.8.689]
	at org.apache.cassandra.db.Keyspace.apply(Keyspace.java:363) ~[cassandra-all-2.1.8.689.jar:2.1.8.689]
	at org.apache.cassandra.db.Mutation.apply(Mutation.java:214) ~[cassandra-all-2.1.8.689.jar:2.1.8.689]
	at org.apache.cassandra.db.MutationVerbHandler.doVerb(MutationVerbHandler.java:54) ~[cassandra-all-2.1.8.689.jar:2.1.8.689]
	at org.apache.cassandra.net.MessageDeliveryTask.run(MessageDeliveryTask.java:64) ~[cassandra-all-2.1.8.689.jar:2.1.8.689]
	at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) ~[na:1.8.0_60]
	at org.apache.cassandra.concurrent.AbstractTracingAwareExecutorService$FutureTask.run(AbstractTracingAwareExecutorService.java:164)
~[cassandra-all-2.1.8.689.jar:2.1.8.689]
	at org.apache.cassandra.concurrent.SEPWorker.run(SEPWorker.java:105) [cassandra-all-2.1.8.689.jar:2.1.8.689]
	at java.lang.Thread.run(Unknown Source) [na:1.8.0_60]
{noformat}

Not sure that it's causing any problems - though the commit log is running a bit hot.



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