[jira] [Reopened] (CASSANDRA-5811) NPE during upgrade

["Aleksey Yeschenko (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CASSANDRA-5811?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Aleksey Yeschenko reopened CASSANDRA-5811:
------------------------------------------


Nope. This must be related to CASSANDRA-5612. The exception in question is thrown by result.getString("name") where
{noformat}
UntypedResultSet.Row result = QueryProcessor.resultify("SELECT * FROM system.schema_keyspaces", row).one();
{noformat}

And I don't yet see an explanation for this.
                
> NPE during upgrade
> ------------------
>
>                 Key: CASSANDRA-5811
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-5811
>             Project: Cassandra
>          Issue Type: Bug
>            Reporter: Brandon Williams
>            Assignee: Aleksey Yeschenko
>             Fix For: 1.2.9
>
>         Attachments: node2.log.bz2
>
>
> The upgrade_through_versions dtest occasionally fails with the following error (on the 1.1 side):
> {noformat}
> ERROR [InternalResponseStage:2] 2013-07-26 12:51:10,145 AbstractCassandraDaemon.java (line 135) Exception in thread Thread[InternalResponseStage:2,5,main]
> java.lang.NullPointerException
>     at org.apache.cassandra.utils.ByteBufferUtil.string(ByteBufferUtil.java:167)
>     at org.apache.cassandra.utils.ByteBufferUtil.string(ByteBufferUtil.java:124)
>     at org.apache.cassandra.cql.jdbc.JdbcUTF8.getString(JdbcUTF8.java:77)
>     at org.apache.cassandra.cql.jdbc.JdbcUTF8.compose(JdbcUTF8.java:97)
>     at org.apache.cassandra.db.marshal.UTF8Type.compose(UTF8Type.java:35)
>     at org.apache.cassandra.cql3.UntypedResultSet$Row.getString(UntypedResultSet.java:87)
>     at org.apache.cassandra.config.KSMetaData.fromSchema(KSMetaData.java:256)
>     at org.apache.cassandra.db.DefsTable.mergeKeyspaces(DefsTable.java:397)
>     at org.apache.cassandra.db.DefsTable.mergeSchema(DefsTable.java:373)
>     at org.apache.cassandra.db.DefsTable.mergeRemoteSchema(DefsTable.java:352)
>     at org.apache.cassandra.service.MigrationManager$MigrationTask$1.response(MigrationManager.java:453)
>     at org.apache.cassandra.net.ResponseVerbHandler.doVerb(ResponseVerbHandler.java:45)
>     at org.apache.cassandra.net.MessageDeliveryTask.run(MessageDeliveryTask.java:59)
>     at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
>     at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
>     at java.lang.Thread.run(Thread.java:722)
> {noformat}

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