I have a 4 cluster environment version 1.0.3 which was upgraded from 0.7.6.
I keep getting java.lang.AssertionError from time to time on my cluster. Is there anything I can do to fix the problem Thanks Michael NYC-Cass1 ERROR [NonPeriodicTasks:1] 2011-12-24 23:06:11,129 AbstractCassandraDaemon.java (line 133) Fatal exception in thread Thread NYC-Cass1 ERROR [NonPeriodicTasks:1] 2011-12-24 23:06:11,129 java.lang.AssertionError: attempted to delete non-existing file AttractionUserIdx.AttractionUserIdx_09partition_idx-h-1-Digest.sha1 NYC-Cass1 ERROR [NonPeriodicTasks:1] 2011-12-24 23:06:11,129 at org.apache.cassandra.io.util.FileUtils.deleteWithConfirm(FileUtils.java:49) NYC-Cass1 ERROR [NonPeriodicTasks:1] 2011-12-24 23:06:11,129 at org.apache.cassandra.io.util.FileUtils.deleteWithConfirm(FileUtils.java:44) NYC-Cass1 ERROR [NonPeriodicTasks:1] 2011-12-24 23:06:11,129 at org.apache.cassandra.io.sstable.SSTable.delete(SSTable.java:139) NYC-Cass1 ERROR [NonPeriodicTasks:1] 2011-12-24 23:06:11,129 at org.apache.cassandra.io.sstable.SSTableDeletingTask.runMayThrow(SSTableDelet ingTask.java:81) NYC-Cass1 ERROR [NonPeriodicTasks:1] 2011-12-24 23:06:11,129 at org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:30) NYC-Cass1 ERROR [NonPeriodicTasks:1] 2011-12-24 23:06:11,129 at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441) NYC-Cass1 ERROR [NonPeriodicTasks:1] 2011-12-24 23:06:11,129 at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303) NYC-Cass1 ERROR [NonPeriodicTasks:1] 2011-12-24 23:06:11,129 at java.util.concurrent.FutureTask.run(FutureTask.java:138) NYC-Cass1 ERROR [NonPeriodicTasks:1] 2011-12-24 23:06:11,129 at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$ 301(ScheduledThreadPoolExecutor.java:98) NYC-Cass1 ERROR [NonPeriodicTasks:1] 2011-12-24 23:06:11,129 at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(Sch eduledThreadPoolExecutor.java:207) NYC-Cass1 ERROR [NonPeriodicTasks:1] 2011-12-24 23:06:11,129 at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.ja va:886) NYC-Cass1 ERROR [NonPeriodicTasks:1] 2011-12-24 23:06:11,129 at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:9 08) NYC-Cass1 ERROR [NonPeriodicTasks:1] 2011-12-24 23:06:11,129 at java.lang.Thread.run(Thread.java:619)