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https://issues.apache.org/jira/browse/CASSANDRA-8106?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Aleksey Yeschenko resolved CASSANDRA-8106.
------------------------------------------
Resolution: Duplicate
Marking as duplicate of CASSANDRA-4988. Meanwhile will look into providing a
better exception here.
> Schema changes raises "comparators do not match or are not compatible"
> ConfigurationException
> ---------------------------------------------------------------------------------------------
>
> Key: CASSANDRA-8106
> URL: https://issues.apache.org/jira/browse/CASSANDRA-8106
> Project: Cassandra
> Issue Type: Bug
> Reporter: Tommaso Barbugli
>
> I am running Cassandra 2.0.10 on 2 nodes; since the last few hours every
> schema migration issued via CQL (both CREATE and ALTER tables) raises a
> ConfigurationException "comparators do not match or are not compatible"
> exception.
> {code}
> ERROR [Native-Transport-Requests:5802] 2014-10-12 22:48:12,237
> QueryMessage.java (line 131) Unexpected error during query
> java.lang.RuntimeException: java.util.concurrent.ExecutionException:
> java.lang.RuntimeException:
> org.apache.cassandra.exceptions.ConfigurationException: comparators do not
> match or are not compatible.
> at
> org.apache.cassandra.utils.FBUtilities.waitOnFuture(FBUtilities.java:413)
> at
> org.apache.cassandra.service.MigrationManager.announce(MigrationManager.java:285)
> at
> org.apache.cassandra.service.MigrationManager.announceNewColumnFamily(MigrationManager.java:223)
> at
> org.apache.cassandra.cql3.statements.CreateTableStatement.announceMigration(CreateTableStatement.java:121)
> at
> org.apache.cassandra.cql3.statements.SchemaAlteringStatement.execute(SchemaAlteringStatement.java:79)
> at
> org.apache.cassandra.cql3.QueryProcessor.processStatement(QueryProcessor.java:158)
> at
> org.apache.cassandra.cql3.QueryProcessor.process(QueryProcessor.java:175)
> at
> org.apache.cassandra.transport.messages.QueryMessage.execute(QueryMessage.java:119)
> at
> org.apache.cassandra.transport.Message$Dispatcher.messageReceived(Message.java:306)
> at
> org.jboss.netty.channel.SimpleChannelUpstreamHandler.handleUpstream(SimpleChannelUpstreamHandler.java:70)
> at
> org.jboss.netty.channel.DefaultChannelPipeline.sendUpstream(DefaultChannelPipeline.java:564)
> at
> org.jboss.netty.channel.DefaultChannelPipeline$DefaultChannelHandlerContext.sendUpstream(DefaultChannelPipeline.java:791)
> at
> org.jboss.netty.handler.execution.ChannelUpstreamEventRunnable.doRun(ChannelUpstreamEventRunnable.java:43)
> at
> org.jboss.netty.handler.execution.ChannelEventRunnable.run(ChannelEventRunnable.java:67)
> 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:744)
> Caused by: java.util.concurrent.ExecutionException:
> java.lang.RuntimeException:
> org.apache.cassandra.exceptions.ConfigurationException: comparators do not
> match or are not compatible.
> at java.util.concurrent.FutureTask.report(FutureTask.java:122)
> at java.util.concurrent.FutureTask.get(FutureTask.java:188)
> at
> org.apache.cassandra.utils.FBUtilities.waitOnFuture(FBUtilities.java:409)
> ... 16 more
> Caused by: java.lang.RuntimeException:
> org.apache.cassandra.exceptions.ConfigurationException: comparators do not
> match or are not compatible.
> at org.apache.cassandra.config.CFMetaData.reload(CFMetaData.java:1052)
> at
> org.apache.cassandra.db.DefsTables.updateColumnFamily(DefsTables.java:377)
> at
> org.apache.cassandra.db.DefsTables.mergeColumnFamilies(DefsTables.java:318)
> at org.apache.cassandra.db.DefsTables.mergeSchema(DefsTables.java:183)
> at
> org.apache.cassandra.service.MigrationManager$2.runMayThrow(MigrationManager.java:303)
> at
> org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:28)
> at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
> at java.util.concurrent.FutureTask.run(FutureTask.java:262)
> ... 3 more
> Caused by: org.apache.cassandra.exceptions.ConfigurationException:
> comparators do not match or are not compatible.
> at
> org.apache.cassandra.config.CFMetaData.validateCompatility(CFMetaData.java:1142)
> at org.apache.cassandra.config.CFMetaData.apply(CFMetaData.java:1067)
> at org.apache.cassandra.config.CFMetaData.reload(CFMetaData.java:1048)
> ... 10 more
> {code}
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