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From "Jonathan Ellis (JIRA)" <j...@apache.org>
Subject [jira] Updated: (CASSANDRA-1736) ConcurrentModificationException when updating column family metadata
Date Thu, 18 Nov 2010 02:42:13 GMT

     [ https://issues.apache.org/jira/browse/CASSANDRA-1736?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jonathan Ellis updated CASSANDRA-1736:
--------------------------------------

    Attachment: 1736-v2.txt

> ConcurrentModificationException when updating column family metadata
> --------------------------------------------------------------------
>
>                 Key: CASSANDRA-1736
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-1736
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Core
>    Affects Versions: 0.7 beta 2
>            Reporter: Jake Farrell
>            Assignee: Jonathan Ellis
>             Fix For: 0.7.0
>
>         Attachments: 1736-v2.txt, 1736.txt
>
>
> From cli
> > update column family Tweet with column_metadata=[{column_name:state, validation_class:UTF8Type}]
> > set Tweet [x][state] = TX
> > get Tweet where state = TX
> No index columns present
> > update column family Tweet with column_metadata=[{column_name:state, index_type:0,
validation_class:UTF8Type}]
> null
> > list Tweet
> java.net.SocketException: Broken pipe
> ERROR [MigrationStage:1] 2010-11-12 09:12:28,618 AbstractCassandraDaemon.java (line 90)
Fatal exception in thread Thread[Migra$
> java.util.ConcurrentModificationException
>         at java.util.HashMap$HashIterator.nextEntry(HashMap.java:793)
>         at java.util.HashMap$KeyIterator.next(HashMap.java:828)
>         at org.apache.cassandra.db.ColumnFamilyStore.snapshot(ColumnFamilyStore.java:1495)
>         at org.apache.cassandra.db.migration.UpdateColumnFamily.beforeApplyModels(UpdateColumnFamily.java:76)
>         at org.apache.cassandra.db.migration.Migration.apply(Migration.java:109)
>         at org.apache.cassandra.thrift.CassandraServer$2.call(CassandraServer.java:672)
>         at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
>         at java.util.concurrent.FutureTask.run(FutureTask.java:138)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
>         at java.lang.Thread.run(Thread.java:619)
> ERROR [pool-1-thread-5] 2010-11-12 09:12:28,636 CustomTThreadPoolServer.java (line 175)
Thrift error occurred during processin$
> org.apache.thrift.protocol.TProtocolException: Required field 'why' was not present!
Struct: InvalidRequestException(why:null)
>         at org.apache.cassandra.thrift.InvalidRequestException.validate(InvalidRequestException.java:340)
>         at org.apache.cassandra.thrift.InvalidRequestException.write(InvalidRequestException.java:309)
>         at org.apache.cassandra.thrift.Cassandra$system_update_column_family_result.write(Cassandra.java:26764)
>         at org.apache.cassandra.thrift.Cassandra$Processor$system_update_column_family.process(Cassandra.java:3605)
>         at org.apache.cassandra.thrift.Cassandra$Processor.process(Cassandra.java:2555)
>         at org.apache.cassandra.thrift.CustomTThreadPoolServer$WorkerProcess.run(CustomTThreadPoolServer.java:167)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
>         at java.lang.Thread.run(Thread.java:619)

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