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From "Mark Robson (JIRA)" <j...@apache.org>
Subject [jira] Created: (CASSANDRA-124) NullPointerException in consistency manager after a failed node rejoins
Date Thu, 30 Apr 2009 16:34:30 GMT
NullPointerException in consistency manager after a failed node rejoins
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                 Key: CASSANDRA-124
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-124
             Project: Cassandra
          Issue Type: Bug
    Affects Versions: trunk
         Environment: Centos 5.0 java version "1.6.0_13"

            Reporter: Mark Robson


ERROR [CONSISTENCY-MANAGER:2] 2009-04-30 18:22:38,946 DebuggableThreadPoolExecutor.java (line
89) Error in ThreadPoolExecutor
java.util.concurrent.ExecutionException: java.lang.NullPointerException
        at java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:222)
        at java.util.concurrent.FutureTask.get(FutureTask.java:83)
        at org.apache.cassandra.concurrent.DebuggableThreadPoolExecutor.afterExecute(DebuggableThreadPoolExecutor.java:65)
        at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:888)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
        at java.lang.Thread.run(Thread.java:619)
Caused by: java.lang.NullPointerException
        at org.apache.cassandra.service.ConsistencyManager.run(ConsistencyManager.java:168)
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
        at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
        at java.util.concurrent.FutureTask.run(FutureTask.java:138)
        at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
        ... 2 more

Plus other similar ones.

Config:

    <ReplicationFactor>2</ReplicationFactor>
    <Tables>
        <Table Name="Messages">
            <ColumnFamily ColumnSort="Name" Name="base"/>
            <ColumnFamily ColumnSort="Name" Name="extra"/>
            <ColumnFamily ColumnSort="Time" Name="StandardByTime1"/>
            <ColumnFamily ColumnSort="Time" Name="StandardByTime2"/>
            <ColumnFamily ColumnType="Super" ColumnSort="Name" Name="Super1"/>
            <ColumnFamily ColumnType="Super" ColumnSort="Name" Name="Super2"/>
        </Table>
    </Tables>


I inserted some data using insert method on another node while one node had failed (of three),
then brought the failed node back

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