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From Sylvain Lebresne <sylv...@datastax.com>
Subject Re: java.lang.NullPointerException on cassandra 1.0.2
Date Tue, 15 Nov 2011 09:00:53 GMT
On Tue, Nov 15, 2011 at 12:13 AM, Ramesh Natarajan <ramesh25@gmail.com> wrote:
> Hi,
>
>  We are running a 8 node cassandra cluster running the latest 1.0.2
> release.  We are seeing this error showing up in the system.log file.
> Any idea if this is a known issue in cassandra 1.0.2?

It is not. Can you please open a ticket on
https://issues.apache.org/jira/browse/CASSANDRA.
Please don't hesitate to include some details on you installation. For
instance, are
you using counters and are you using thrift? CQL? the StorageProxy API?

--
Sylvain

>
> thanks
> Ramesh
>
>
> java.lang.RuntimeException: java.lang.NullPointerException
>        at org.apache.cassandra.service.StorageProxy$DroppableRunnable.run(StorageProxy.java:1258)
>        at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
>        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
>        at java.lang.Thread.run(Thread.java:662)
> Caused by: java.lang.NullPointerException
>        at java.util.TreeMap.rotateRight(TreeMap.java:2057)
>        at java.util.TreeMap.fixAfterInsertion(TreeMap.java:2089)
>        at java.util.TreeMap.put(TreeMap.java:559)
>        at org.apache.cassandra.db.TreeMapBackedSortedColumns.addColumn(TreeMapBackedSortedColumns.java:87)
>        at org.apache.cassandra.db.AbstractColumnContainer.addColumn(AbstractColumnContainer.java:122)
>        at org.apache.cassandra.db.Memtable.resolve(Memtable.java:218)
>        at org.apache.cassandra.db.Memtable.put(Memtable.java:134)
>        at org.apache.cassandra.db.ColumnFamilyStore.apply(ColumnFamilyStore.java:779)
>        at org.apache.cassandra.db.Table.apply(Table.java:434)
>        at org.apache.cassandra.db.RowMutation.apply(RowMutation.java:255)
>        at org.apache.cassandra.service.StorageProxy$5.runMayThrow(StorageProxy.java:438)
>        at org.apache.cassandra.service.StorageProxy$DroppableRunnable.run(StorageProxy.java:1254)
>        ... 3 more
> ERROR [MutationStage:99] 2011-11-14 16:17:39,331
> AbstractCassandraDaemon.java (line 133) Fatal exception in thread
> Thread[MutationStage:99,5,main]
> java.lang.RuntimeException: java.lang.NullPointerException
>        at org.apache.cassandra.service.StorageProxy$DroppableRunnable.run(StorageProxy.java:1258)
>        at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
>        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
>        at java.lang.Thread.run(Thread.java:662)
> Caused by: java.lang.NullPointerException
>        at java.util.TreeMap.rotateRight(TreeMap.java:2057)
>        at java.util.TreeMap.fixAfterInsertion(TreeMap.java:2089)
>        at java.util.TreeMap.put(TreeMap.java:559)
>        at org.apache.cassandra.db.TreeMapBackedSortedColumns.addColumn(TreeMapBackedSortedColumns.java:87)
>        at org.apache.cassandra.db.AbstractColumnContainer.addColumn(AbstractColumnContainer.java:122)
>        at org.apache.cassandra.db.Memtable.resolve(Memtable.java:218)
>        at org.apache.cassandra.db.Memtable.put(Memtable.java:134)
>        at org.apache.cassandra.db.ColumnFamilyStore.apply(ColumnFamilyStore.java:779)
>        at org.apache.cassandra.db.Table.apply(Table.java:434)
>        at org.apache.cassandra.db.RowMutation.apply(RowMutation.java:255)
>        at org.apache.cassandra.service.StorageProxy$5.runMayThrow(StorageProxy.java:438)
>        at org.apache.cassandra.service.StorageProxy$DroppableRunnable.run(StorageProxy.java:1254)
>        ... 3 more
>

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