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From Jeff Williams <je...@wherethebitsroam.com>
Subject Re: Problem with Keyspace after drop
Date Thu, 03 May 2012 18:43:16 GMT
As a follow up, I am running version 1.1 and have tried nodetool repair, cleanup, compact.
I can create other keyspaces, but still can't create a keyspace called PlayLog even though
it is not listed anywhere.

On May 3, 2012, at 6:35 PM, Jeff Williams wrote:

> Hi,
> 
> I'm doing testing and wanted to drop a keyspace (with a column family) to re-add it with
a different strategy. So I ran in cqlsh:
> 
> DROP KEYSPACE PlayLog;
> 
> CREATE KEYSPACE PlayLog WITH strategy_class = 'SimpleStrategy'
>  AND strategy_options:replication_factor = 2;
> 
> And everything seemed to be fine. I ran some inserts, which also seemed to go fine, but
then selecting them gave me:
> 
> cqlsh:PlayLog> select count(*) from playlog;
> TSocket read 0 bytes
> 
> I wasn't sure what was wrong, so I tried dropping and creating again, and now when I
try to create I get:
> 
> cqlsh> CREATE KEYSPACE PlayLog WITH strategy_class = 'SimpleStrategy'
>   ...   AND strategy_options:replication_factor = 2;
> TSocket read 0 bytes
> 
> And the keyspace doesn't get created. In the log it shows:
> 
> ERROR [Thrift:4] 2012-05-03 18:23:05,124 CustomTThreadPoolServer.java (line 204) Error
occurred during processing of message.
> java.lang.RuntimeException: java.util.concurrent.ExecutionException: java.lang.AssertionError
>        at org.apache.cassandra.utils.FBUtilities.waitOnFuture(FBUtilities.java:372)
>        at org.apache.cassandra.service.MigrationManager.announce(MigrationManager.java:191)
>        at org.apache.cassandra.service.MigrationManager.announceNewKeyspace(MigrationManager.java:129)
>        at org.apache.cassandra.cql.QueryProcessor.processStatement(QueryProcessor.java:701)
>        at org.apache.cassandra.cql.QueryProcessor.process(QueryProcessor.java:875)
>        at org.apache.cassandra.thrift.CassandraServer.execute_cql_query(CassandraServer.java:1235)
>        at org.apache.cassandra.thrift.Cassandra$Processor$execute_cql_query.getResult(Cassandra.java:3458)
>        at org.apache.cassandra.thrift.Cassandra$Processor$execute_cql_query.getResult(Cassandra.java:3446)
>        at org.apache.thrift.ProcessFunction.process(ProcessFunction.java:32)
>        at org.apache.thrift.TBaseProcessor.process(TBaseProcessor.java:34)
>        at org.apache.cassandra.thrift.CustomTThreadPoolServer$WorkerProcess.run(CustomTThreadPoolServer.java:186)
>        at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source)
>        at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
>        at java.lang.Thread.run(Unknown Source)
> Caused by: java.util.concurrent.ExecutionException: java.lang.AssertionError
>        at java.util.concurrent.FutureTask$Sync.innerGet(Unknown Source)
>        at java.util.concurrent.FutureTask.get(Unknown Source)
>        at org.apache.cassandra.utils.FBUtilities.waitOnFuture(FBUtilities.java:368)
>        ... 13 more
> Caused by: java.lang.AssertionError
>        at org.apache.cassandra.db.DefsTable.updateKeyspace(DefsTable.java:441)
>        at org.apache.cassandra.db.DefsTable.mergeKeyspaces(DefsTable.java:339)
>        at org.apache.cassandra.db.DefsTable.mergeSchema(DefsTable.java:269)
>        at org.apache.cassandra.service.MigrationManager$1.call(MigrationManager.java:214)
>        at java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source)
>        at java.util.concurrent.FutureTask.run(Unknown Source)
>        ... 3 more
> ERROR [MigrationStage:1] 2012-05-03 18:23:05,124 AbstractCassandraDaemon.java (line 134)
Exception in thread Thread[MigrationStage:1,5,main]
> java.lang.AssertionError
>        at org.apache.cassandra.db.DefsTable.updateKeyspace(DefsTable.java:441)
>        at org.apache.cassandra.db.DefsTable.mergeKeyspaces(DefsTable.java:339)
>        at org.apache.cassandra.db.DefsTable.mergeSchema(DefsTable.java:269)
>        at org.apache.cassandra.service.MigrationManager$1.call(MigrationManager.java:214)
>        at java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source)
>        at java.util.concurrent.FutureTask.run(Unknown Source)
>        at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source)
>        at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
>        at java.lang.Thread.run(Unknown Source)
> 
> Any ideas how I can recover from this?
> 
> Jeff
> 


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