[jira] [Commented] (CASSANDRA-5656) NPE in SSTableNamesIterator

["Jonathan Ellis (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/CASSANDRA-5656?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13827143#comment-13827143 ] 

Jonathan Ellis commented on CASSANDRA-5656:
-------------------------------------------

Can you reproduce running 1.2.latest?

> NPE in SSTableNamesIterator
> ---------------------------
>
>                 Key: CASSANDRA-5656
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-5656
>             Project: Cassandra
>          Issue Type: Bug
>    Affects Versions: 1.2.4
>         Environment: SUSE Linux Enterprise Server 10, SP3. IBM Java 1.6.0 SR 13
>            Reporter: Michael Bock
>
> When adding a new node to our cluster we occasionally get the following error in the cassandra system log:
> 2013-06-18T07:13:18:942|ERROR|ReadStage:30|org.apache.cassandra.service.CassandraDaemon|Exception in thread Thread[ReadStage:30,5,main]
> java.lang.NullPointerException
>         at java.util.TreeSet.iterator(TreeSet.java:230)
>         at org.apache.cassandra.db.columniterator.SSTableNamesIterator.read(SSTableNamesIterator.java:163)
>         at org.apache.cassandra.db.columniterator.SSTableNamesIterator.<init>(SSTableNamesIterator.java:64)
>         at org.apache.cassandra.db.filter.NamesQueryFilter.getSSTableColumnIterator(NamesQueryFilter.java:81)
>         at org.apache.cassandra.db.filter.QueryFilter.getSSTableColumnIterator(QueryFilter.java:68)
>         at org.apache.cassandra.db.CollationController.collectTimeOrderedData(CollationController.java:133)
>         at org.apache.cassandra.db.CollationController.getTopLevelColumns(CollationController.java:65)
>         at org.apache.cassandra.db.ColumnFamilyStore.getTopLevelColumns(ColumnFamilyStore.java:1357)
>         at org.apache.cassandra.db.ColumnFamilyStore.getColumnFamily(ColumnFamilyStore.java:1214)
>         at org.apache.cassandra.db.ColumnFamilyStore.getColumnFamily(ColumnFamilyStore.java:1126)
>         at org.apache.cassandra.db.Table.getRow(Table.java:347)
>         at org.apache.cassandra.db.SliceByNamesReadCommand.getRow(SliceByNamesReadCommand.java:64)
>         at org.apache.cassandra.db.ReadVerbHandler.doVerb(ReadVerbHandler.java:44)
>         at org.apache.cassandra.net.MessageDeliveryTask.run(MessageDeliveryTask.java:56)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:908)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:931)
>         at java.lang.Thread.run(Thread.java:738)
> The same exception then occurs repeatedly every few milliseconds and the node is not working. Calls via the API are timing out.



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