[CASSANDRA-1736] ConcurrentModificationException when updating column family metadata

• Type: Bug
• Status: Resolved
• Priority: Normal
• Resolution: Fixed
• Fix Version/s: 0.7.0 rc 1
• Severity: Normal
• Assignee: Jonathan Ellis
• Reporter: JCF

Authors

Jonathan Ellis

Reviewers

Gary Dusbabek

• Created: 12/Nov/10 17:31
• Updated: 16/Apr/19 09:33
• Resolved: 23/Nov/10 15:26

Description

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)