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From Sylvain Lebresne <sylv...@datastax.com>
Subject Re: Problem with Keyspace after drop
Date Thu, 03 May 2012 19:46:45 GMT
Would you mind opening a ticket on JIRA
(https://issues.apache.org/jira/browse/CASSANDRA). This is
definitively a bug and it's be easier to follow up there.

Did you try restarting the node on which you try the create keyspace?

--
Sylvain

On Thu, May 3, 2012 at 8:43 PM, Jeff Williams
<jeffw@wherethebitsroam.com> wrote:
> 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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