ERROR [MIGRATION-STAGE:1] Previous Version Mistmatch
----------------------------------------------------

                 Key: CASSANDRA-1384
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-1384
             Project: Cassandra
          Issue Type: Bug
          Components: Core
    Affects Versions: 0.7 beta 1
         Environment: CentOS 5.2
Trunc August 12th, 2010 at 1:30pm
            Reporter: Arya Goudarzi


I fired up a 3 node cluster. I created few keyspaces using API and inserted to 
them with no problem. Now I tried to add more CFs to one of those existing 
Keyspaces in a loop. I got the following exception:

ERROR [MIGRATION-STAGE:1] 2010-08-12 14:46:40,493 CassandraDaemon.java (line 
82) Uncaught exception in thread Thread[MIGRATION-STAGE:1,5,main]
java.util.concurrent.ExecutionException: java.lang.RuntimeException: 
org.apache.cassandra.config.ConfigurationException: Previous version mismatch. 
cannot apply.
        at java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:252)
        at java.util.concurrent.FutureTask.get(FutureTask.java:111)
        at 
org.apache.cassandra.concurrent.DebuggableThreadPoolExecutor.afterExecute(DebuggableThreadPoolExecutor.java:87)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1118)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
        at java.lang.Thread.run(Thread.java:636)
Caused by: java.lang.RuntimeException: 
org.apache.cassandra.config.ConfigurationException: Previous version mismatch. 
cannot apply.
        at 
org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:34)
        at 
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
        at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
        at java.util.concurrent.FutureTask.run(FutureTask.java:166)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
        ... 2 more
Caused by: org.apache.cassandra.config.ConfigurationException: Previous version 
mismatch. cannot apply.
        at org.apache.cassandra.db.migration.Migration.apply(Migration.java:101)
        at 
org.apache.cassandra.db.DefinitionsUpdateResponseVerbHandler$1.runMayThrow(DefinitionsUpdateResponseVerbHandler.java:70)
        at 
org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:30)
        ... 6 more

The above exception is logged in the log of node in which I send the request to 
and not other seeds. It is noteworthy that my schem_agreement is stuck in a 
disagreed state:

Array
(
    [1775e847-a658-11df-960f-7d867dfef3ae] => Array
        (
            [0] => 10.50.26.134
        )

    [163d874a-a65b-11df-aef0-d73a63bafff3] => Array
        (
            [0] => 10.50.26.133
        )

    [14869031-a658-11df-8553-930ba61048ac] => Array
        (
            [0] => 10.50.26.132
        )

)

And this does not change. Affect is that some keyspaces would not respond to 
reads any more giving Internal Error:

ERROR [pool-1-thread-26] 2010-08-12 14:50:57,034 Cassandra.java (line 2988) 
Internal error processing batch_mutate
java.lang.AssertionError
        at 
org.apache.cassandra.locator.AbstractReplicationStrategy.getNaturalEndpoints(AbstractReplicationStrategy.java:91)
        at 
org.apache.cassandra.service.StorageService.getNaturalEndpoints(StorageService.java:1289)
        at 
org.apache.cassandra.service.StorageService.getNaturalEndpoints(StorageService.java:1277)
        at 
org.apache.cassandra.service.StorageProxy.mutateBlocking(StorageProxy.java:193)
        at 
org.apache.cassandra.thrift.CassandraServer.doInsert(CassandraServer.java:474)
        at 
org.apache.cassandra.thrift.CassandraServer.batch_mutate(CassandraServer.java:438)
        at 
org.apache.cassandra.thrift.Cassandra$Processor$batch_mutate.process(Cassandra.java:2980)
        at 
org.apache.cassandra.thrift.Cassandra$Processor.process(Cassandra.java:2499)
        at 
org.apache.cassandra.thrift.CustomTThreadPoolServer$WorkerProcess.run(CustomTThreadPoolServer.java:167)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
        at java.lang.Thread.run(Thread.java:636)

In my CF creation, I block for CF creation of the same name and not different 
names. 

Please advice.


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