[jira] [Created] (CASSANDRA-5844) NullPointer exception running upgrade_through_versions_test dtest

["Daniel Meyer (JIRA)" <ji...@apache.org>]

Daniel Meyer created CASSANDRA-5844:
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             Summary: NullPointer exception running upgrade_through_versions_test dtest
                 Key: CASSANDRA-5844
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-5844
             Project: Cassandra
          Issue Type: Bug
         Environment: java version "1.7.0_25"
Java(TM) SE Runtime Environment (build 1.7.0_25-b15)
Java HotSpot(TM) 64-Bit Server VM (build 23.25-b01, mixed mode)
            Reporter: Daniel Meyer
         Attachments: node1.log, node2.log, node3.log

This error is observed while running upgrade_through_versions_test:

ERROR: Only upgrade part of the cluster, so we have mixed versions when
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Traceback (most recent call last):
  File "/Users/danielmeyer/Sources/riptano/cassandra-dtest/dtest.py", line 145, in tearDown
    raise AssertionError('Unexpected error in %s node log: %s' % (node.name, errors))
AssertionError: Unexpected error in node3 node log: ['ERROR [MigrationStage:1] 2013-08-02 15:12:13,647 CassandraDaemon.java (line 192) Exception in thread Thread[MigrationStage:1,5,main]\n']

The exception found in logs (node3) is as follows:

java.lang.NullPointerException
    at org.apache.cassandra.db.DefsTable.addColumnFamily(DefsTable.java:510)
    at org.apache.cassandra.db.DefsTable.mergeColumnFamilies(DefsTable.java:444)
    at org.apache.cassandra.db.DefsTable.mergeSchema(DefsTable.java:354)
    at org.apache.cassandra.db.DefinitionsUpdateVerbHandler$1.runMayThrow(DefinitionsUpdateVerbHandler.java:55)
    at org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:28)
    at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
    at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
    at java.util.concurrent.FutureTask.run(FutureTask.java:166)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
    at java.lang.Thread.run(Thread.java:724)

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