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https://issues.apache.org/jira/browse/CASSANDRA-4837?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13480396#comment-13480396
]
Wade Simmons commented on CASSANDRA-4837:
-----------------------------------------
It looks like the issue might be that we have had two different keyspaces with
different capitalization in the past. I logged the resulting MapDifference
generated in mergeKeyspaces, here it is (with some whitespace added):
{code}
not equal: value differences={
DecoratedKey(112573196966143652100562749464385838776,
5365676d656e7473496e746567726174696f6e54657374)=(
ColumnFamily(schema_keyspaces -deleted at 1350680301441000- []),
ColumnFamily(schema_keyspaces -deleted at 1350680302220000- [])
),
DecoratedKey(100476189400466680783670335581709524812,
7365676d656e7473696e746567726174696f6e74657374)=(
ColumnFamily(schema_keyspaces -deleted at 1350680301441000- []),
ColumnFamily(schema_keyspaces -deleted at 1350680302220000- [])
),
DecoratedKey(5845054961105273922406180493871966218, 5365676d656e7473)=(
ColumnFamily(schema_keyspaces
[durable_writes:false:1@1350680301442000,name:false:8@1350680301442000,strategy_class:false:43@1350680301442000,strategy_options:false:26@1350680301442000,]),
ColumnFamily(schema_keyspaces
[durable_writes:false:1@1350680302220000,name:false:8@1350680302220000,strategy_class:false:43@1350680302220000,strategy_options:false:26@1350680302220000,])
),
}
{code}
The two keyspaces with the CF marked for deletion are called
"SegmentsIntegrationTest" and "segmentsintegrationtest".
If I do a "select * from system.schema_keyspaces;" on a node that is still on
the old version, I only see the keyspace "SegmentsIntegrationTest".
> IllegalStateException when upgrading schema
> -------------------------------------------
>
> Key: CASSANDRA-4837
> URL: https://issues.apache.org/jira/browse/CASSANDRA-4837
> Project: Cassandra
> Issue Type: Bug
> Components: Core
> Affects Versions: 1.1.6
> Environment: Linux
> Reporter: Wade Simmons
> Assignee: Pavel Yaskevich
>
> I am upgrading a cluster from 1.1.2 to 1.1.6. When restarting the second node
> with new code, I am seeing this exception repeat in the logs:
> {code}
> ERROR [InternalResponseStage:21] 2012-10-19 00:41:26,794
> AbstractCassandraDaemon.java (line 135) Exception in thread
> Thread[InternalResponseStage:21,5,main]
> java.lang.IllegalStateException: One row required, 0 found
> at
> org.apache.cassandra.cql3.UntypedResultSet.one(UntypedResultSet.java:50)
> at
> org.apache.cassandra.config.KSMetaData.fromSchema(KSMetaData.java:258)
> at
> org.apache.cassandra.db.DefsTable.mergeKeyspaces(DefsTable.java:406)
> at org.apache.cassandra.db.DefsTable.mergeSchema(DefsTable.java:355)
> at
> org.apache.cassandra.db.DefsTable.mergeRemoteSchema(DefsTable.java:329)
> at
> org.apache.cassandra.service.MigrationManager$MigrationTask$1.response(MigrationManager.java:449)
> at
> org.apache.cassandra.net.ResponseVerbHandler.doVerb(ResponseVerbHandler.java:45)
> at
> org.apache.cassandra.net.MessageDeliveryTask.run(MessageDeliveryTask.java:59)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
> at java.lang.Thread.run(Thread.java:662)
> {code}
> I added in some debugging logging to see what Row it was trying to load, and
> I see this:
> {code}
> Unable to load keyspace schema:
> Row(key=DecoratedKey(112573196966143652100562749464385838776,
> 5365676d656e7473496e746567726174696f6e54657374),
> cf=ColumnFamily(schema_keyspaces -deleted at 1350665377628000- []))
> {code}
> The hex key translates to a schema that exists in schema_keyspaces when I
> query on the rest of the cluster. I tried restarting one of the other nodes
> without upgrading the jar and it restarted without exceptions.
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