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From Edward Capriolo <edlinuxg...@gmail.com>
Subject Re: unable to start cassandra
Date Tue, 03 Aug 2010 15:46:00 GMT
On Tue, Aug 3, 2010 at 11:44 AM, Edward Capriolo <edlinuxguru@gmail.com> wrote:
> On Tue, Aug 3, 2010 at 10:47 AM, Maciej Lisowski
> <m.lisowski@powerprice.pl> wrote:
>> Hi all,
>>
>> I’m new here and new with Cassandra and I’ve got problem to run it (v.
>> 0.6.4) with jdk1.6.0_21.
>>
>> When I type “cassandra” to run it I get error:
>>
>>
>>
>> ERROR 16:23:53,803 Uncaught exception in thread
>> Thread[ROW-MUTATION-STAGE:5,5,main]
>>
>> java.util.concurrent.ExecutionException: java.lang.RuntimeException:
>> java.lang.NullPointerException
>>
>>         at
>> java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:222)
>>
>>         at java.util.concurrent.FutureTask.get(FutureTask.java:83)
>>
>>         at
>> org.apache.cassandra.concurrent.DebuggableThreadPoolExecutor.afterExecute(DebuggableThreadPoolExecutor.java:86)
>>
>>         at
>> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:888)
>>
>>         at
>> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
>>
>>         at java.lang.Thread.run(Thread.java:619)
>>
>> Caused by: java.lang.RuntimeException: java.lang.NullPointerException
>>
>>         at
>> org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:34)
>>
>>         at
>> java.util.concurrent.Executors$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
>>
>> Caused by: java.lang.NullPointerException
>>
>>         at
>> org.apache.cassandra.db.Table$TableMetadata.getColumnFamilyId(Table.java:131)
>>
>>         at org.apache.cassandra.db.Table.getColumnFamilyId(Table.java:364)
>>
>>         at
>> org.apache.cassandra.db.commitlog.CommitLog$4.runMayThrow(CommitLog.java:256)
>>
>>         at
>> org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:30)
>>
>>         ... 6 more
>>
>>
>>
>> I was looking for info what could happen but I didn’t find… can someone help
>> me with this?
>>
>> If I have to send something more (configuration or whatever) let me know
>>
>>
>>
>> Maciek
>
> Something similar happened to me when upgrading from 6.1 -> 6.2. Even
> though the on-disk format of the SSTABLES is the same, sometimes the
> wire-format serialization of Future Tasks change. If that is the case,
> it means that the upgrade can NOT be done with a rolling restart. I am
> not sure this is the case here but that might help.
>
> Edward
>

Sorry. Mis-read on my part. It does not look like you are doing an
upgrade. Dis-regard my comments.

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