[ 
https://issues.apache.org/jira/browse/CASSANDRA-712?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Jonathan Ellis resolved CASSANDRA-712.
--------------------------------------

    Resolution: Cannot Reproduce

I'm 99% sure this is due to restarting after changing CF or Keyspace 
definitions w/o clearing out CL first.  However, CLHeader is not 
well-encapsulated so it's difficult to be entirely sure there is no heisenbug.  
Created CASSANDRA-783 to refactor that.

> Commitlog Assertion Error
> -------------------------
>
>                 Key: CASSANDRA-712
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-712
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Core
>    Affects Versions: 0.5
>            Reporter: Dan Di Spaltro
>            Priority: Minor
>             Fix For: 0.5
>
>
> I tried to bootstrap a new node and this happened.
> 2010-01-18_19:57:20.20199 ERROR - Error in executor futuretask
> 2010-01-18_19:57:20.20199 java.util.concurrent.ExecutionException: 
> java.lang.RuntimeException: java.lang.RuntimeException: 
> java.util.concurrent.ExecutionException: java.lang.AssertionError
> 2010-01-18_19:57:20.20199     at 
> java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:252)
> 2010-01-18_19:57:20.20199     at 
> java.util.concurrent.FutureTask.get(FutureTask.java:111)
> 2010-01-18_19:57:20.20199     at 
> org.apache.cassandra.concurrent.DebuggableThreadPoolExecutor.afterExecute(DebuggableThreadPoolExecutor.java:154)
> 2010-01-18_19:57:20.20199     at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1118)
> 2010-01-18_19:57:20.20199     at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
> 2010-01-18_19:57:20.20199     at java.lang.Thread.run(Thread.java:636)
> 2010-01-18_19:57:20.20199 Caused by: java.lang.RuntimeException: 
> java.lang.RuntimeException: java.util.concurrent.ExecutionException: 
> java.lang.AssertionError
> 2010-01-18_19:57:20.20199     at 
> org.apache.cassandra.db.ColumnFamilyStore$1.run(ColumnFamilyStore.java:415)
> 2010-01-18_19:57:20.20199     at 
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
> 2010-01-18_19:57:20.20199     at 
> java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
> 2010-01-18_19:57:20.20199     at 
> java.util.concurrent.FutureTask.run(FutureTask.java:166)
> 2010-01-18_19:57:20.20199     at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
> 2010-01-18_19:57:20.20199     ... 2 more
> 2010-01-18_19:57:20.20199 Caused by: java.lang.RuntimeException: 
> java.util.concurrent.ExecutionException: java.lang.AssertionError
> 2010-01-18_19:57:20.20199     at 
> org.apache.cassandra.db.CommitLog.onMemtableFlush(CommitLog.java:506)
> 2010-01-18_19:57:20.20199     at 
> org.apache.cassandra.db.ColumnFamilyStore.onMemtableFlush(ColumnFamilyStore.java:579)
> 2010-01-18_19:57:20.20199     at 
> org.apache.cassandra.db.ColumnFamilyStore$1.run(ColumnFamilyStore.java:410)
> 2010-01-18_19:57:20.20199     ... 6 more
> 2010-01-18_19:57:20.20199 Caused by: java.util.concurrent.ExecutionException: 
> java.lang.AssertionError
> 2010-01-18_19:57:20.20199     at 
> java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:252)
> 2010-01-18_19:57:20.20199     at 
> java.util.concurrent.FutureTask.get(FutureTask.java:111)
> 2010-01-18_19:57:20.20199     at 
> org.apache.cassandra.db.CommitLog.onMemtableFlush(CommitLog.java:498)
> 2010-01-18_19:57:20.20199     ... 8 more
> 2010-01-18_19:57:20.20199 Caused by: java.lang.AssertionError
> 2010-01-18_19:57:20.20199     at 
> org.apache.cassandra.db.CommitLog.discardCompletedSegments(CommitLog.java:540)
> 2010-01-18_19:57:20.20199     at 
> org.apache.cassandra.db.CommitLog.access$300(CommitLog.java:74)
> 2010-01-18_19:57:20.20199     at 
> org.apache.cassandra.db.CommitLog$5.call(CommitLog.java:492)
> 2010-01-18_19:57:20.20199     at 
> java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
> 2010-01-18_19:57:20.20199     at 
> java.util.concurrent.FutureTask.run(FutureTask.java:166)
> 2010-01-18_19:57:20.20199     at 
> org.apache.cassandra.db.CommitLogExecutorService.process(CommitLogExecutorService.java:114)
> 2010-01-18_19:57:20.20199     at 
> org.apache.cassandra.db.CommitLogExecutorService.access$200(CommitLogExecutorService.java:36)
> 2010-01-18_19:57:20.20199     at 
> org.apache.cassandra.db.CommitLogExecutorService$1.run(CommitLogExecutorService.java:63)
> 2010-01-18_19:57:20.20199     ... 1 more
> 2010-01-18_19:57:20.31198 ERROR - Error in ThreadPoolExecutor
> 2010-01-18_19:57:20.31198 java.lang.RuntimeException: 
> java.util.concurrent.ExecutionException: java.lang.RuntimeException: 
> java.lang.RuntimeException: java.util.concurrent.ExecutionException: 
> java.lang.AssertionError
> 2010-01-18_19:57:20.31198     at 
> org.apache.cassandra.io.Streaming.transferRanges(Streaming.java:90)
> 2010-01-18_19:57:20.31198     at 
> org.apache.cassandra.io.StreamRequestVerbHandler.doVerb(StreamRequestVerbHandler.java:67)
> 2010-01-18_19:57:20.31198     at 
> org.apache.cassandra.net.MessageDeliveryTask.run(MessageDeliveryTask.java:38)
> 2010-01-18_19:57:20.31198     at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
> 2010-01-18_19:57:20.31198     at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
> 2010-01-18_19:57:20.31198     at java.lang.Thread.run(Thread.java:636)
> 2010-01-18_19:57:20.31198 Caused by: java.util.concurrent.ExecutionException: 
> java.lang.RuntimeException: java.lang.RuntimeException: 
> java.util.concurrent.ExecutionException: java.lang.AssertionError
> 2010-01-18_19:57:20.31198     at 
> java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:252)
> 2010-01-18_19:57:20.31198     at 
> java.util.concurrent.FutureTask.get(FutureTask.java:111)
> 2010-01-18_19:57:20.31198     at 
> org.apache.cassandra.io.Streaming.transferRanges(Streaming.java:82)
> 2010-01-18_19:57:20.31198     ... 5 more
> 2010-01-18_19:57:20.31198 Caused by: java.lang.RuntimeException: 
> java.lang.RuntimeException: java.util.concurrent.ExecutionException: 
> java.lang.AssertionError
> 2010-01-18_19:57:20.31198     at 
> org.apache.cassandra.db.ColumnFamilyStore$1.run(ColumnFamilyStore.java:415)
> 2010-01-18_19:57:20.31198     at 
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
> 2010-01-18_19:57:20.31198     at 
> java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
> 2010-01-18_19:57:20.31198     at 
> java.util.concurrent.FutureTask.run(FutureTask.java:166)
> 2010-01-18_19:57:20.31198     ... 3 more
> 2010-01-18_19:57:20.31198 Caused by: java.lang.RuntimeException: 
> java.util.concurrent.ExecutionException: java.lang.AssertionError
> 2010-01-18_19:57:20.31198     at 
> org.apache.cassandra.db.CommitLog.onMemtableFlush(CommitLog.java:506)
> 2010-01-18_19:57:20.31198     at 
> org.apache.cassandra.db.ColumnFamilyStore.onMemtableFlush(ColumnFamilyStore.java:579)
> 2010-01-18_19:57:20.31198     at 
> org.apache.cassandra.db.ColumnFamilyStore$1.run(ColumnFamilyStore.java:410)
> 2010-01-18_19:57:20.31198     ... 6 more
> 2010-01-18_19:57:20.31198 Caused by: java.util.concurrent.ExecutionException: 
> java.lang.AssertionError
> 2010-01-18_19:57:20.31198     at 
> java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:252)
> 2010-01-18_19:57:20.31198     at 
> java.util.concurrent.FutureTask.get(FutureTask.java:111)
> 2010-01-18_19:57:20.31198     at 
> org.apache.cassandra.db.CommitLog.onMemtableFlush(CommitLog.java:498)
> 2010-01-18_19:57:20.31198     ... 8 more
> 2010-01-18_19:57:20.31198 Caused by: java.lang.AssertionError
> 2010-01-18_19:57:20.31198     at 
> org.apache.cassandra.db.CommitLog.discardCompletedSegments(CommitLog.java:540)
> 2010-01-18_19:57:20.31198     at 
> org.apache.cassandra.db.CommitLog.access$300(CommitLog.java:74)
> 2010-01-18_19:57:20.31198     at 
> org.apache.cassandra.db.CommitLog$5.call(CommitLog.java:492)
> 2010-01-18_19:57:20.31198     at 
> java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
> 2010-01-18_19:57:20.31198     at 
> java.util.concurrent.FutureTask.run(FutureTask.java:166)
> 2010-01-18_19:57:20.31198     at 
> org.apache.cassandra.db.CommitLogExecutorService.process(CommitLogExecutorService.java:114)
> 2010-01-18_19:57:20.31198     at 
> org.apache.cassandra.db.CommitLogExecutorService.access$200(CommitLogExecutorService.java:36)
> 2010-01-18_19:57:20.31198     at 
> org.apache.cassandra.db.CommitLogExecutorService$1.run(CommitLogExecutorService.java:63)
> 2010-01-18_19:57:20.31198     ... 1 more
> 2010-01-18_19:57:20.33198 ERROR - Error in executor futuretask
> 2010-01-18_19:57:20.33198 java.util.concurrent.ExecutionException: 
> java.lang.RuntimeException: java.lang.RuntimeException: 
> java.util.concurrent.ExecutionException: java.lang.AssertionError
> 2010-01-18_19:57:20.33198     at 
> java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:252)
> 2010-01-18_19:57:20.33198     at 
> java.util.concurrent.FutureTask.get(FutureTask.java:111)
> 2010-01-18_19:57:20.33198     at 
> org.apache.cassandra.concurrent.DebuggableThreadPoolExecutor.afterExecute(DebuggableThreadPoolExecutor.java:154)
> 2010-01-18_19:57:20.33198     at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1118)
> 2010-01-18_19:57:20.33198     at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
> 2010-01-18_19:57:20.33198     at java.lang.Thread.run(Thread.java:636)
> 2010-01-18_19:57:20.33198 Caused by: java.lang.RuntimeException: 
> java.lang.RuntimeException: java.util.concurrent.ExecutionException: 
> java.lang.AssertionError
> 2010-01-18_19:57:20.33198     at 
> org.apache.cassandra.db.ColumnFamilyStore$1.run(ColumnFamilyStore.java:415)
> 2010-01-18_19:57:20.33198     at 
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
> 2010-01-18_19:57:20.33198     at 
> java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
> 2010-01-18_19:57:20.33198     at 
> java.util.concurrent.FutureTask.run(FutureTask.java:166)
> 2010-01-18_19:57:20.33198     at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
> 2010-01-18_19:57:20.33198     ... 2 more
> 2010-01-18_19:57:20.33198 Caused by: java.lang.RuntimeException: 
> java.util.concurrent.ExecutionException: java.lang.AssertionError
> 2010-01-18_19:57:20.33198     at 
> org.apache.cassandra.db.CommitLog.onMemtableFlush(CommitLog.java:506)
> 2010-01-18_19:57:20.33198     at 
> org.apache.cassandra.db.ColumnFamilyStore.onMemtableFlush(ColumnFamilyStore.java:579)
> 2010-01-18_19:57:20.33198     at 
> org.apache.cassandra.db.ColumnFamilyStore$1.run(ColumnFamilyStore.java:410)
> 2010-01-18_19:57:20.33198     ... 6 more
> 2010-01-18_19:57:20.33198 Caused by: java.util.concurrent.ExecutionException: 
> java.lang.AssertionError
> 2010-01-18_19:57:20.33198     at 
> java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:252)
> 2010-01-18_19:57:20.33198     at 
> java.util.concurrent.FutureTask.get(FutureTask.java:111)
> 2010-01-18_19:57:20.33198     at 
> org.apache.cassandra.db.CommitLog.onMemtableFlush(CommitLog.java:498)
> 2010-01-18_19:57:20.33198     ... 8 more
> 2010-01-18_19:57:20.33198 Caused by: java.lang.AssertionError
> 2010-01-18_19:57:20.33198     at 
> org.apache.cassandra.db.CommitLog.discardCompletedSegments(CommitLog.java:540)
> 2010-01-18_19:57:20.33198     at 
> org.apache.cassandra.db.CommitLog.access$300(CommitLog.java:74)
> 2010-01-18_19:57:20.33198     at 
> org.apache.cassandra.db.CommitLog$5.call(CommitLog.java:492)
> 2010-01-18_19:57:20.33198     at 
> java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
> 2010-01-18_19:57:20.33198     at 
> java.util.concurrent.FutureTask.run(FutureTask.java:166)
> 2010-01-18_19:57:20.33198     at 
> org.apache.cassandra.db.CommitLogExecutorService.process(CommitLogExecutorService.java:114)
> 2010-01-18_19:57:20.33198     at 
> org.apache.cassandra.db.CommitLogExecutorService.access$200(CommitLogExecutorService.java:36)
> 2010-01-18_19:57:20.33198     at 
> org.apache.cassandra.db.CommitLogExecutorService$1.run(CommitLogExecutorService.java:63)
> 2010-01-18_19:57:20.33198     ... 1 more
> 2010-01-18_19:57:20.33198 ERROR - Fatal exception in thread 
> Thread[STREAM-STAGE:1,5,main]
> 2010-01-18_19:57:20.33198 java.lang.RuntimeException: 
> java.util.concurrent.ExecutionException: java.lang.RuntimeException: 
> java.lang.RuntimeException: java.util.concurrent.ExecutionException: 
> java.lang.AssertionError
> 2010-01-18_19:57:20.33198     at 
> org.apache.cassandra.io.Streaming.transferRanges(Streaming.java:90)
> 2010-01-18_19:57:20.33198     at 
> org.apache.cassandra.io.StreamRequestVerbHandler.doVerb(StreamRequestVerbHandler.java:67)
> 2010-01-18_19:57:20.33198     at 
> org.apache.cassandra.net.MessageDeliveryTask.run(MessageDeliveryTask.java:38)
> 2010-01-18_19:57:20.33198     at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
> 2010-01-18_19:57:20.33198     at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
> 2010-01-18_19:57:20.33198     at java.lang.Thread.run(Thread.java:636)
> 2010-01-18_19:57:20.33198 Caused by: java.util.concurrent.ExecutionException: 
> java.lang.RuntimeException: java.lang.RuntimeException: 
> java.util.concurrent.ExecutionException: java.lang.AssertionError
> 2010-01-18_19:57:20.33198     at 
> java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:252)
> 2010-01-18_19:57:20.33198     at 
> java.util.concurrent.FutureTask.get(FutureTask.java:111)
> 2010-01-18_19:57:20.33198     at 
> org.apache.cassandra.io.Streaming.transferRanges(Streaming.java:82)
> 2010-01-18_19:57:20.33198     ... 5 more
> 2010-01-18_19:57:20.33198 Caused by: java.lang.RuntimeException: 
> java.lang.RuntimeException: java.util.concurrent.ExecutionException: 
> java.lang.AssertionError
> 2010-01-18_19:57:20.33198     at 
> org.apache.cassandra.db.ColumnFamilyStore$1.run(ColumnFamilyStore.java:415)
> 2010-01-18_19:57:20.33198     at 
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
> 2010-01-18_19:57:20.33198     at 
> java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
> 2010-01-18_19:57:20.33198     at 
> java.util.concurrent.FutureTask.run(FutureTask.java:166)
> 2010-01-18_19:57:20.33198     ... 3 more
> 2010-01-18_19:57:20.33198 Caused by: java.lang.RuntimeException: 
> java.util.concurrent.ExecutionException: java.lang.AssertionError
> 2010-01-18_19:57:20.33198     at 
> org.apache.cassandra.db.CommitLog.onMemtableFlush(CommitLog.java:506)
> 2010-01-18_19:57:20.33198     at 
> org.apache.cassandra.db.ColumnFamilyStore.onMemtableFlush(ColumnFamilyStore.java:579)
> 2010-01-18_19:57:20.33198     at 
> org.apache.cassandra.db.ColumnFamilyStore$1.run(ColumnFamilyStore.java:410)
> 2010-01-18_19:57:20.33198     ... 6 more
> 2010-01-18_19:57:20.33198 Caused by: java.util.concurrent.ExecutionException: 
> java.lang.AssertionError
> 2010-01-18_19:57:20.33198     at 
> java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:252)
> 2010-01-18_19:57:20.33198     at 
> java.util.concurrent.FutureTask.get(FutureTask.java:111)
> 2010-01-18_19:57:20.33198     at 
> org.apache.cassandra.db.CommitLog.onMemtableFlush(CommitLog.java:498)
> 2010-01-18_19:57:20.33198     ... 8 more
> 2010-01-18_19:57:20.33198 Caused by: java.lang.AssertionError
> 2010-01-18_19:57:20.33198     at 
> org.apache.cassandra.db.CommitLog.discardCompletedSegments(CommitLog.java:540)
> 2010-01-18_19:57:20.33198     at 
> org.apache.cassandra.db.CommitLog.access$300(CommitLog.java:74)
> 2010-01-18_19:57:20.33198     at 
> org.apache.cassandra.db.CommitLog$5.call(CommitLog.java:492)
> 2010-01-18_19:57:20.33198     at 
> java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
> 2010-01-18_19:57:20.33198     at 
> java.util.concurrent.FutureTask.run(FutureTask.java:166)
> 2010-01-18_19:57:20.33198     at 
> org.apache.cassandra.db.CommitLogExecutorService.process(CommitLogExecutorService.java:114)
> 2010-01-18_19:57:20.33198     at 
> org.apache.cassandra.db.CommitLogExecutorService.access$200(CommitLogExecutorService.java:36)
> 2010-01-18_19:57:20.33198     at 
> org.apache.cassandra.db.CommitLogExecutorService$1.run(CommitLogExecutorService.java:63)
> 2010-01-18_19:57:20.33198     ... 1 more

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