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Adam Hattrell commented on CASSANDRA-10626: ------------------------------------------- Let me know what additional information would be useful. > 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. -- This message was sent by Atlassian JIRA (v6.3.4#6332)