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Lex Lythius edited comment on CASSANDRA-6098 at 9/25/13 7:17 PM: ----------------------------------------------------------------- This happens only when querying for some particular values on a secondary index. Cannot reproduce it querying by primary key. Neither of the following did any good: {noformat} Restarting Cassandra nodetool rebuild_index DB TABLE INDEX nodetool invalidaterowcache nodetool invalidatekeycache nodetool cleanup nodetool repair {noformat} was (Author: lexlythius): This happens only when querying for some particular values on a secondary index. Cannot reproduce it querying by primary key. Neither of the following did any good: {noformat} restarting cassandra nodetool invalidaterowcache nodetool invalidatekeycache nodetool cleanup nodetool repair {noformat} > NullPointerException causing query timeout > ------------------------------------------ > > Key: CASSANDRA-6098 > URL: https://issues.apache.org/jira/browse/CASSANDRA-6098 > Project: Cassandra > Issue Type: Bug > Environment: CQLSH 4.0.0 > Cassandra 2.0.0 > Oracle Java 1.7.0_40 > Ubuntu 12.04.3 x64 > Reporter: Lex Lythius > > A common SELECT query could not be completed failing with. > {noformat} > Request did not complete within rpc_timeout. > {noformat} > output.log showed this: > {noformat} > ERROR 15:38:04,036 Exception in thread Thread[ReadStage:170,5,main] > java.lang.RuntimeException: java.lang.NullPointerException > at > org.apache.cassandra.service.StorageProxy$DroppableRunnable.run(StorageProxy.java:1867) > at > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) > at java.lang.Thread.run(Thread.java:724) > Caused by: java.lang.NullPointerException > at > org.apache.cassandra.db.index.composites.CompositesIndexOnRegular.isStale(CompositesIndexOnRegular.java:97) > at > org.apache.cassandra.db.index.composites.CompositesSearcher$1.computeNext(CompositesSearcher.java:247) > at > org.apache.cassandra.db.index.composites.CompositesSearcher$1.computeNext(CompositesSearcher.java:102) > at > com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:143) > at > com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:138) > at > org.apache.cassandra.db.ColumnFamilyStore.filter(ColumnFamilyStore.java:1651) > at > org.apache.cassandra.db.index.composites.CompositesSearcher.search(CompositesSearcher.java:50) > at > org.apache.cassandra.db.index.SecondaryIndexManager.search(SecondaryIndexManager.java:525) > at > org.apache.cassandra.db.ColumnFamilyStore.search(ColumnFamilyStore.java:1639) > at > org.apache.cassandra.db.RangeSliceCommand.executeLocally(RangeSliceCommand.java:135) > at > org.apache.cassandra.service.StorageProxy$LocalRangeSliceRunnable.runMayThrow(StorageProxy.java:1358) > at > org.apache.cassandra.service.StorageProxy$DroppableRunnable.run(StorageProxy.java:1863) > {noformat} -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators For more information on JIRA, see: http://www.atlassian.com/software/jira