ERROR [MutationStage:5247] 2012-01-05 22:46:49,196 AbstractCassandraDaemon.java (line 133) Fatal exception in thread Thread[MutationStage:5247,5,main]
java.lang.AssertionError
        at org.apache.cassandra.locator.TokenMetadata.getToken(TokenMetadata.java:273)
        at org.apache.cassandra.service.StorageProxy$4.run(StorageProxy.java:352)
        at java.util.concurrent.Executors$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)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
        at java.lang.Thread.run(Thread.java:662)