Description
after upgrading to 2.1.0, I found there are many exceptions in system.log. It appears in nodes upgraded from 2.0 as well as in nodes newly add at 2.1.0
ERROR [SharedPool-Worker-8] 2014-09-27 16:44:50,188 ErrorMessage.java:218 - Unexpected exception during request java.lang.AssertionError: null at org.apache.cassandra.db.RangeTombstoneList.diff(RangeTombstoneList.java:424) ~[apache-cassandra-2.1.0.jar:2.1.0] at org.apache.cassandra.db.DeletionInfo.diff(DeletionInfo.java:189) ~[apache-cassandra-2.1.0.jar:2.1.0] at org.apache.cassandra.db.ColumnFamily.diff(ColumnFamily.java:311) ~[apache-cassandra-2.1.0.jar:2.1.0] at org.apache.cassandra.db.ColumnFamily.diff(ColumnFamily.java:394) ~[apache-cassandra-2.1.0.jar:2.1.0] at org.apache.cassandra.service.RowDataResolver.scheduleRepairs(RowDataResolver.java:114) ~[apache-cassandra-2.1.0.jar:2.1.0] at org.apache.cassandra.service.RowDataResolver.resolve(RowDataResolver.java:91) ~[apache-cassandra-2.1.0.jar:2.1.0] at org.apache.cassandra.service.RowDataResolver.resolve(RowDataResolver.java:37) ~[apache-cassandra-2.1.0.jar:2.1.0] at org.apache.cassandra.service.ReadCallback.get(ReadCallback.java:110) ~[apache-cassandra-2.1.0.jar:2.1.0] at org.apache.cassandra.service.StorageProxy.fetchRows(StorageProxy.java:1300) ~[apache-cassandra-2.1.0.jar:2.1.0] at org.apache.cassandra.service.StorageProxy.read(StorageProxy.java:1153) ~[apache-cassandra-2.1.0.jar:2.1.0] at org.apache.cassandra.service.pager.SliceQueryPager.queryNextPage(SliceQueryPager.java:83) ~[apache-cassandra-2.1.0.jar:2.1.0] at org.apache.cassandra.service.pager.AbstractQueryPager.fetchPage(AbstractQueryPager.java:88) ~[apache-cassandra-2.1.0.jar:2.1.0] at org.apache.cassandra.service.pager.SliceQueryPager.fetchPage(SliceQueryPager.java:36) ~[apache-cassandra-2.1.0.jar:2.1.0] at org.apache.cassandra.cql3.statements.SelectStatement.execute(SelectStatement.java:224) ~[apache-cassandra-2.1.0.jar:2.1.0] at org.apache.cassandra.cql3.statements.SelectStatement.execute(SelectStatement.java:60) ~[apache-cassandra-2.1.0.jar:2.1.0] at org.apache.cassandra.cql3.QueryProcessor.processStatement(QueryProcessor.java:187) ~[apache-cassandra-2.1.0.jar:2.1.0] at org.apache.cassandra.cql3.QueryProcessor.process(QueryProcessor.java:206) ~[apache-cassandra-2.1.0.jar:2.1.0] at org.apache.cassandra.transport.messages.QueryMessage.execute(QueryMessage.java:118) ~[apache-cassandra-2.1.0.jar:2.1.0] at org.apache.cassandra.transport.Message$Dispatcher.channelRead0(Message.java:422) [apache-cassandra-2.1.0.jar:2.1.0] at org.apache.cassandra.transport.Message$Dispatcher.channelRead0(Message.java:318) [apache-cassandra-2.1.0.jar:2.1.0] at io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:103) [netty-all-4.0.20.Final.jar:4.0.20.Final] at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:332) [netty-all-4.0.20.Final.jar:4.0.20.Final] at io.netty.channel.AbstractChannelHandlerContext.access$700(AbstractChannelHandlerContext.java:31) [netty-all-4.0.20.Final.jar:4.0.20.Final] at io.netty.channel.AbstractChannelHandlerContext$8.run(AbstractChannelHandlerContext.java:323) [netty-all-4.0.20.Final.jar:4.0.20.Final] at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) [na:1.7.0_51] at org.apache.cassandra.concurrent.AbstractTracingAwareExecutorService$FutureTask.run(AbstractTracingAwareExecutorService.java:163) [apache-cassandra-2.1.0.jar:2.1.0] at org.apache.cassandra.concurrent.SEPWorker.run(SEPWorker.java:103) [apache-cassandra-2.1.0.jar:2.1.0] at java.lang.Thread.run(Thread.java:744) [na:1.7.0_51]