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From "Jeff Williams (JIRA)" <j...@apache.org>
Subject [jira] [Issue Comment Edited] (CASSANDRA-4219) Problem with creating keyspace after drop
Date Fri, 11 May 2012 19:38:49 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-4219?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13273542#comment-13273542
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Jeff Williams edited comment on CASSANDRA-4219 at 5/11/12 7:38 PM:
-------------------------------------------------------------------

Just did a quick test and it is looking good. The keyspace doesn't disappear! I'll do some
more checks to make sure that all of the data inserts works before and after.
                
      was (Author: jeffwilliams):
    Just did a quick test and it is looking good. The keyspace doesn't disappear! I'll do
some more checks to mak sure that all of the data works before and after.
                  
> Problem with creating keyspace after drop
> -----------------------------------------
>
>                 Key: CASSANDRA-4219
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-4219
>             Project: Cassandra
>          Issue Type: Bug
>    Affects Versions: 1.1.0
>         Environment: Debian 6.0.4 x64
>            Reporter: Jeff Williams
>            Assignee: Pavel Yaskevich
>             Fix For: 1.1.1
>
>         Attachments: 0001-Add-debug-logs.txt, CASSANDRA-4219.patch, system-91.223.192.26.log.gz,
system-debug.log.gz, system-startup-debug.log.gz, system.log.gz
>
>
> 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?
> I am running version 1.1.0 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.
> Jeff

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