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From "Ryan McGuire (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (CASSANDRA-5612) NPE when upgrading a mixed version 1.1/1.2 cluster fully to 1.2
Date Tue, 04 Jun 2013 02:57:21 GMT

     [ https://issues.apache.org/jira/browse/CASSANDRA-5612?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Ryan McGuire updated CASSANDRA-5612:
------------------------------------

    Attachment: logs.tar.gz
    
> NPE when upgrading a mixed version 1.1/1.2 cluster fully to 1.2
> ---------------------------------------------------------------
>
>                 Key: CASSANDRA-5612
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-5612
>             Project: Cassandra
>          Issue Type: Bug
>    Affects Versions: 1.2.6
>            Reporter: Ryan McGuire
>         Attachments: logs.tar.gz, upgrade_through_versions_test.py
>
>
> See the attached upgrade_through_versions_test.py upgrade_test_mixed().
> Conceptually this method does the following:
> * Instantiates a 3 node 1.1.9 cluster
> * Writes some data
> * Shuts down node 1 and upgrades it to 1.2 (HEAD)
> * Brings the node1 back up, making a the cluster a mixed version 1.1/1.2
> * Brings down node2 and node3 and does the same upgrade making it all the same version.
> * At this point, I would run upgradesstables on each of the nodes, but there is already
an error on node3 directly after it's upgrade:
> {code}
> INFO [FlushWriter:1] 2013-06-03 22:49:46,543 Memtable.java (line 461) Writing Memtable-peers@1023263314(237/237
serialized/live bytes, 14 op
> s)
>  INFO [FlushWriter:1] 2013-06-03 22:49:46,556 Memtable.java (line 495) Completed flushing
/tmp/dtest-YqMtHN/test/node3/data/system/peers/syst
> em-peers-ic-2-Data.db (291 bytes) for commitlog position ReplayPosition(segmentId=1370314185862,
position=58616)
>  INFO [GossipStage:1] 2013-06-03 22:49:46,568 StorageService.java (line 1330) Node /127.0.0.2
state jump to normal
> ERROR [MigrationStage:1] 2013-06-03 22:49:46,655 CassandraDaemon.java (line 192) Exception
in thread Thread[MigrationStage:1,5,main]
> java.lang.NullPointerException
>         at org.apache.cassandra.db.DefsTable.addColumnFamily(DefsTable.java:511)
>         at org.apache.cassandra.db.DefsTable.mergeColumnFamilies(DefsTable.java:445)
>         at org.apache.cassandra.db.DefsTable.mergeSchema(DefsTable.java:355)
>         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:722)
> {code}
> This error is repeatable, but inconsistent. Interestingly, it is always node3 with the
error.

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