AssertionError: discard at CommitLogContext(file=...) is not after last flush at ...

Looks related to CASSANDRA-936?

ERROR [MEMTABLE-POST-FLUSHER:1] 2010-07-28 11:39:36,909 CassandraDaemon.java (line 83) Uncaught exception in thread Thread[MEMTABLE-POST-FLUSHER:1,5,main]
java.util.concurrent.ExecutionException: java.lang.RuntimeException: java.lang.RuntimeException: java.util.concurrent.ExecutionException: java.lang.AssertionError: discard at CommitLogContext(file='/srv/cassandra/commitlog/CommitLog-1280331567364.log', position=181) is not after last flush at 563
at java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:252)
at java.util.concurrent.FutureTask.get(FutureTask.java:111)
at org.apache.cassandra.concurrent.DebuggableThreadPoolExecutor.afterExecute(DebuggableThreadPoolExecutor.java:86)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1118)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
at java.lang.Thread.run(Thread.java:636)
Caused by: java.lang.RuntimeException: java.lang.RuntimeException: java.util.concurrent.ExecutionException: java.lang.AssertionError: discard at CommitLogContext(file='/srv/cassandra/commitlog/CommitLog-1280331567364.log', position=181) is not after last flush at 563
at org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:34)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
at java.util.concurrent.FutureTask.run(FutureTask.java:166)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
... 2 more
Caused by: java.lang.RuntimeException: java.util.concurrent.ExecutionException: java.lang.AssertionError: discard at CommitLogContext(file='/srv/cassandra/commitlog/CommitLog-1280331567364.log', position=181) is not after last flush at 563
at org.apache.cassandra.db.commitlog.CommitLog.discardCompletedSegments(CommitLog.java:373)
at org.apache.cassandra.db.ColumnFamilyStore$1.runMayThrow(ColumnFamilyStore.java:371)
at org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:30)
... 6 more
Caused by: java.util.concurrent.ExecutionException: java.lang.AssertionError: discard at CommitLogContext(file='/srv/cassandra/commitlog/CommitLog-1280331567364.log', position=181) is not after last flush at 563
at java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:252)
at java.util.concurrent.FutureTask.get(FutureTask.java:111)
at org.apache.cassandra.db.commitlog.CommitLog.discardCompletedSegments(CommitLog.java:365)
... 8 more
Caused by: java.lang.AssertionError: discard at CommitLogContext(file='/srv/cassandra/commitlog/CommitLog-1280331567364.log', position=181) is not after last flush at 563
at org.apache.cassandra.db.commitlog.CommitLog.discardCompletedSegmentsInternal(CommitLog.java:394)
at org.apache.cassandra.db.commitlog.CommitLog.access$300(CommitLog.java:70)
at org.apache.cassandra.db.commitlog.CommitLog$6.call(CommitLog.java:359)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
at java.util.concurrent.FutureTask.run(FutureTask.java:166)
at org.apache.cassandra.db.commitlog.PeriodicCommitLogExecutorService$1.runMayThrow(PeriodicCommitLogExecutorService.java:52)
at org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:30)
... 1 more