looks like you are hitting this https://issues.apache.org/jira/browse/CASSANDRA-3256
Does the repair complete ? Cheers ----------------- Aaron Morton Freelance Cassandra Developer @aaronmorton http://www.thelastpickle.com On 28/09/2011, at 7:04 PM, Philippe wrote: > Hello, > Have just ran into a new assertion error, again after upgrading a 2 month-old > cluster to 0.8.6 > Can someone explain what this means and the possible consequences ? > > Thanks > ERROR [AntiEntropyStage:2] 2011-09-27 06:07:41,960 > AbstractCassandraDaemon.java (line 139) Fatal exception in thread > Thread[AntiEntropyStage:2,5,main] > java.lang.AssertionError > at > org.apache.cassandra.service.AntiEntropyService.rendezvous(AntiEntropyService.java:170) > at > org.apache.cassandra.service.AntiEntropyService.access$100(AntiEntropyService.java:90) > at > org.apache.cassandra.service.AntiEntropyService$TreeResponseVerbHandler.doVerb(AntiEntropyService.java:518) > at > org.apache.cassandra.net.MessageDeliveryTask.run(MessageDeliveryTask.java:59) > 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) >