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Jonathan Ellis commented on CASSANDRA-936: ------------------------------------------ Thought I had this figured out but I was wrong. Can you turn on debug logging for the commitlog and include the log up to the next exception? You can do this w/ JConsole under the service.StorageService MBean, Operations group, setLog4jLevel(org.apache.cassandra.db.commitlog, DEBUG) > Discard Commitlog Exception > --------------------------- > > Key: CASSANDRA-936 > URL: https://issues.apache.org/jira/browse/CASSANDRA-936 > Project: Cassandra > Issue Type: Bug > Components: Core > Reporter: Dan Di Spaltro > Fix For: 0.6.1 > > > 2010-03-30_21:19:02.31041 java.util.concurrent.ExecutionException: > java.lang.RuntimeException: java.lang.RuntimeException: > java.util.concurrent.ExecutionException: java.lang.AssertionError: discard > called on obsolete context > CommitLogContext(file='/var/lib/cassandra/commitlog/CommitLog-1269983937410.log', > position=8780) > 2010-03-30_21:19:02.31041 at > java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:252) > 2010-03-30_21:19:02.31041 at > java.util.concurrent.FutureTask.get(FutureTask.java:111) > 2010-03-30_21:19:02.31041 at > org.apache.cassandra.concurrent.DebuggableThreadPoolExecutor.afterExecute(DebuggableThreadPoolExecutor.java:86) > 2010-03-30_21:19:02.31041 at > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1118) > 2010-03-30_21:19:02.31041 at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603) > 2010-03-30_21:19:02.31041 at java.lang.Thread.run(Thread.java:636) > 2010-03-30_21:19:02.31041 Caused by: java.lang.RuntimeException: > java.lang.RuntimeException: java.util.concurrent.ExecutionException: > java.lang.AssertionError: discard called on obsolete context > CommitLogContext(file='/var/lib/cassandra/commitlog/CommitLog-1269983937410.log', > position=8780) > 2010-03-30_21:19:02.31041 at > org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:34) > 2010-03-30_21:19:02.31041 at > java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) > 2010-03-30_21:19:02.31041 at > java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334) > 2010-03-30_21:19:02.31041 at > java.util.concurrent.FutureTask.run(FutureTask.java:166) > 2010-03-30_21:19:02.31041 at > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110) > 2010-03-30_21:19:02.31041 ... 2 more > 2010-03-30_21:19:02.31041 Caused by: java.lang.RuntimeException: > java.util.concurrent.ExecutionException: java.lang.AssertionError: discard > called on obsolete context > CommitLogContext(file='/var/lib/cassandra/commitlog/CommitLog-1269983937410.log', > position=8780) > 2010-03-30_21:19:02.31041 at > org.apache.cassandra.db.commitlog.CommitLog.discardCompletedSegments(CommitLog.java:358) > 2010-03-30_21:19:02.31041 at > org.apache.cassandra.db.ColumnFamilyStore$1.runMayThrow(ColumnFamilyStore.java:371) > 2010-03-30_21:19:02.31041 at > org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:30) > 2010-03-30_21:19:02.31041 ... 6 more > 2010-03-30_21:19:02.31041 Caused by: java.util.concurrent.ExecutionException: > java.lang.AssertionError: discard called on obsolete context > CommitLogContext(file='/var/lib/cassandra/commitlog/CommitLog-1269983937410.log', > position=8780) > 2010-03-30_21:19:02.31041 at > java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:252) > 2010-03-30_21:19:02.31041 at > java.util.concurrent.FutureTask.get(FutureTask.java:111) > 2010-03-30_21:19:02.31041 at > org.apache.cassandra.db.commitlog.CommitLog.discardCompletedSegments(CommitLog.java:350) > 2010-03-30_21:19:02.31041 ... 8 more > 2010-03-30_21:19:02.31041 Caused by: java.lang.AssertionError: discard called > on obsolete context > CommitLogContext(file='/var/lib/cassandra/commitlog/CommitLog-1269983937410.log', > position=8780) > 2010-03-30_21:19:02.31041 at > org.apache.cassandra.db.commitlog.CommitLog.discardCompletedSegmentsInternal(CommitLog.java:378) > 2010-03-30_21:19:02.31041 at > org.apache.cassandra.db.commitlog.CommitLog.access$300(CommitLog.java:72) > 2010-03-30_21:19:02.31041 at > org.apache.cassandra.db.commitlog.CommitLog$6.call(CommitLog.java:344) > 2010-03-30_21:19:02.31041 at > java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334) > 2010-03-30_21:19:02.31041 at > java.util.concurrent.FutureTask.run(FutureTask.java:166) > 2010-03-30_21:19:02.31041 at > org.apache.cassandra.db.commitlog.CommitLogExecutorService.process(CommitLogExecutorService.java:113) > 2010-03-30_21:19:02.31041 at > org.apache.cassandra.db.commitlog.CommitLogExecutorService.access$200(CommitLogExecutorService.java:35) > 2010-03-30_21:19:02.31041 at > org.apache.cassandra.db.commitlog.CommitLogExecutorService$1.runMayThrow(CommitLogExecutorService.java:67) > 2010-03-30_21:19:02.31041 at > org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:30) > 2010-03-30_21:19:02.31041 ... 1 more -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.