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From Ran Tavory <ran...@gmail.com>
Subject AssertionError: DecoratedKey(...) != DecoratedKey(...)
Date Thu, 15 Apr 2010 09:06:15 GMT
When restarting one of the nodes in my cluster I found this error in the
log. What does this mean?

 INFO [GC inspection] 2010-04-15 05:03:04,898 GCInspector.java (line 110) GC
for ConcurrentMarkSweep: 712 ms, 11149016 reclaimed leaving 442336680 used;
max is 4432068608
ERROR [HINTED-HANDOFF-POOL:1] 2010-04-15 05:03:17,948
DebuggableThreadPoolExecutor.java (line 94) Error in executor futuretask
java.util.concurrent.ExecutionException: java.lang.AssertionError:
DecoratedKey(163143070370570938845670096830182058073,
1K2i35+B8RuuRDP7Gwz3Xw==) !=
DecoratedKey(163143368384879375649994309361429628039,
4k54mGvj7JoT5rBH68K+9A==) in
/outbrain/cassandra/data/outbrain/DocumentMapping-305-Data.db
        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$Worker.run(ThreadPoolExecutor.java:908)
        at java.lang.Thread.run(Thread.java:619)
Caused by: java.lang.AssertionError:
DecoratedKey(163143070370570938845670096830182058073,
1K2i35+B8RuuRDP7Gwz3Xw==) !=
DecoratedKey(163143368384879375649994309361429628039,
4k54mGvj7JoT5rBH68K+9A==) in
/outbrain/cassandra/data/outbrain/DocumentMapping-305-Data.db
        at
org.apache.cassandra.db.filter.SSTableSliceIterator$ColumnGroupReader.<init>(SSTableSliceIterator.java:127)
        at
org.apache.cassandra.db.filter.SSTableSliceIterator.<init>(SSTableSliceIterator.java:59)
        at
org.apache.cassandra.db.filter.SliceQueryFilter.getSSTableColumnIterator(SliceQueryFilter.java:63)
        at
org.apache.cassandra.db.ColumnFamilyStore.getTopLevelColumns(ColumnFamilyStore.java:830)
        at
org.apache.cassandra.db.ColumnFamilyStore.getColumnFamily(ColumnFamilyStore.java:750)
        at
org.apache.cassandra.db.ColumnFamilyStore.getColumnFamily(ColumnFamilyStore.java:719)
        at
org.apache.cassandra.db.HintedHandOffManager.sendMessage(HintedHandOffManager.java:122)
        at
org.apache.cassandra.db.HintedHandOffManager.deliverHintsToEndpoint(HintedHandOffManager.java:250)
        at
org.apache.cassandra.db.HintedHandOffManager.access$100(HintedHandOffManager.java:80)
        at
org.apache.cassandra.db.HintedHandOffManager$2.runMayThrow(HintedHandOffManager.java:280)
        at
org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:30)
        at
java.util.concurrent.Executors$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

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