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https://issues.apache.org/jira/browse/CASSANDRA-6208?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sam Tunnicliffe updated CASSANDRA-6208:
---------------------------------------

    Attachment: 0001-CASSANDRA-6208-Removed-new-asserts-from-5732-in-CFMD.patch

Looks like a couple of the new asserts in CFMD constructor will cause this. 
They weren't essential to CASSANDRA-5732 anyway, so I've removed all of them 
just in case there are other cases we've not seen yet.


> AE while saving cache
> ---------------------
>
>                 Key: CASSANDRA-6208
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-6208
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Core
>            Reporter: Brandon Williams
>            Assignee: Sam Tunnicliffe
>             Fix For: 1.2.11
>
>         Attachments: 
> 0001-CASSANDRA-6208-Removed-new-asserts-from-5732-in-CFMD.patch
>
>
> After running stress with a 2i and leaving the node idle for a while, I 
> receive this trace when the cache tries to autosave:
> {noformat}
> ERROR 16:07:05,499 Exception in thread Thread[OptionalTasks:1,5,main]
> java.lang.AssertionError
>         at org.apache.cassandra.config.CFMetaData.<init>(CFMetaData.java:314)
>         at org.apache.cassandra.config.CFMetaData.<init>(CFMetaData.java:307)
>         at 
> org.apache.cassandra.cache.AutoSavingCache$Writer.<init>(AutoSavingCache.java:213)
>         at 
> org.apache.cassandra.cache.AutoSavingCache.getWriter(AutoSavingCache.java:74)
>         at 
> org.apache.cassandra.cache.AutoSavingCache.submitWrite(AutoSavingCache.java:176)
>         at 
> org.apache.cassandra.cache.AutoSavingCache$1.run(AutoSavingCache.java:90)
>         at 
> org.apache.cassandra.concurrent.DebuggableScheduledThreadPoolExecutor$UncomplainingRunnable.run(DebuggableScheduledThreadPoolExecutor.java:75)
>         at 
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
>         at 
> java.util.concurrent.FutureTask$Sync.innerRunAndReset(FutureTask.java:351)
>         at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:178)
>         at 
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:178)
>         at 
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)
>         at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
>         at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
>         at java.lang.Thread.run(Thread.java:722)
> {noformat}
> CASSANDRA-5732 appears responsible.



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