[jira] [Created] (CASSANDRA-9910) system_drop_column_family hangs on trunk

["Mike Adamson (JIRA)" <ji...@apache.org>]

Mike Adamson created CASSANDRA-9910:
---------------------------------------

             Summary: system_drop_column_family hangs on trunk
                 Key: CASSANDRA-9910
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-9910
             Project: Cassandra
          Issue Type: Bug
          Components: Core
            Reporter: Mike Adamson
             Fix For: 3.0.0 rc1


{{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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