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From Ramesh Natarajan <rames...@gmail.com>
Subject java.lang.NullPointerException on cassandra 1.0.2
Date Mon, 14 Nov 2011 23:13:23 GMT
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?

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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