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From "Mike Adamson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-9910) system_drop_column_family hangs on trunk
Date Thu, 05 Nov 2015 14:08:27 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-9910?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14991696#comment-14991696
] 

Mike Adamson commented on CASSANDRA-9910:
-----------------------------------------

This was being caused by CASSANDRA-10608.

> system_drop_column_family hangs on trunk
> ----------------------------------------
>
>                 Key: CASSANDRA-9910
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-9910
>             Project: Cassandra
>          Issue Type: Bug
>            Reporter: Mike Adamson
>            Assignee: Branimir Lambov
>
> {{system_drop_column_family}} is hanging on trunk. The code used to replicate this is:
> {noformat}
>         CfDef cfDef = new CfDef(ks, "new_cf_2");
>         client.system_add_column_family(cfDef);
>         client.system_drop_column_family(cfDef.name);
> {noformat}
> The call is hanging in {{ColumnFamilyStore.switchMemtable}} because the memtable flush
is failing with
> {noformat}
> 1 ERROR [MemtableFlushWriter:2] 2015-07-28 11:59:26,688 CassandraDaemon.java (line 189)
Exception in thread Thread[MemtableFlushWriter:2,5,FailOnTimeoutGroup]
> java.lang.AssertionError: null
> 	at org.apache.cassandra.db.PartitionColumns$Builder.add(PartitionColumns.java:148) ~[cassandra-all-3.0.0-SNAPSHOT.jar:3.0.0-SNAPSHOT]
> 	at org.apache.cassandra.db.PartitionColumns$Builder.addAll(PartitionColumns.java:159)
~[cassandra-all-3.0.0-SNAPSHOT.jar:3.0.0-SNAPSHOT]
> 	at org.apache.cassandra.db.Memtable$ColumnsCollector.get(Memtable.java:507) ~[cassandra-all-3.0.0-SNAPSHOT.jar:3.0.0-SNAPSHOT]
> 	at org.apache.cassandra.db.Memtable$FlushRunnable.writeSortedContents(Memtable.java:373)
~[cassandra-all-3.0.0-SNAPSHOT.jar:3.0.0-SNAPSHOT]
> 	at org.apache.cassandra.db.Memtable$FlushRunnable.runMayThrow(Memtable.java:359) ~[cassandra-all-3.0.0-SNAPSHOT.jar:3.0.0-SNAPSHOT]
> 	at org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:28) ~[cassandra-all-3.0.0-SNAPSHOT.jar:3.0.0-SNAPSHOT]
> 	at com.google.common.util.concurrent.MoreExecutors$SameThreadExecutorService.execute(MoreExecutors.java:297)
~[guava-16.0.1.jar:na]
> 	at org.apache.cassandra.db.ColumnFamilyStore$Flush.run(ColumnFamilyStore.java:1034)
~[cassandra-all-3.0.0-SNAPSHOT.jar:3.0.0-SNAPSHOT]
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) ~[na:1.8.0_45]
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) ~[na:1.8.0_45]
> 	at java.lang.Thread.run(Thread.java:745) ~[na:1.8.0_45]
> {noformat}



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