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https://issues.apache.org/jira/browse/CASSANDRA-4976?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Sylvain Lebresne reassigned CASSANDRA-4976:
-------------------------------------------
Assignee: Sylvain Lebresne
> "AssertionError: Wrong class type" at CounterColumn.diff()
> ----------------------------------------------------------
>
> Key: CASSANDRA-4976
> URL: https://issues.apache.org/jira/browse/CASSANDRA-4976
> Project: Cassandra
> Issue Type: Bug
> Components: Core
> Affects Versions: 1.1.6
> Reporter: J.B. Langston
> Assignee: Sylvain Lebresne
> Labels: counters
>
> Thousands of the following errors are getting logged to system.log:
> ERROR [ReadRepairStage:150152] 2012-11-15 12:31:02,815
> AbstractCassandraDaemon.java (line 135) Exception in thread
> Thread[ReadRepairStage:150152,5,main]
> java.lang.AssertionError: Wrong class type.
> at org.apache.cassandra.db.CounterColumn.diff(CounterColumn.java:110)
> at org.apache.cassandra.db.ColumnFamily.diff(ColumnFamily.java:248)
> at org.apache.cassandra.db.ColumnFamily.diff(ColumnFamily.java:342)
> at
> org.apache.cassandra.service.RowRepairResolver.scheduleRepairs(RowRepairResolver.java:117)
> at
> org.apache.cassandra.service.RowRepairResolver.resolve(RowRepairResolver.java:94)
> at
> org.apache.cassandra.service.AsyncRepairCallback$1.runMayThrow(AsyncRepairCallback.java:54)
> at
> org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:30)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
> at java.lang.Thread.run(Thread.java:662)
> There are also many of the following errors intermingled with the above:
> ERROR [ReadRepairStage:150158] 2012-11-15 12:30:34,148 CounterContext.java
> (line 381) invalid counter shard detected;
> (b29a5480-e911-11e1-0000-ce481d6d2aff, 3, 916) and
> (b29a5480-e911-11e1-0000-ce481d6d2aff, 3, -1590) differ only in count; will
> pick highest to self-heal; this indicates a bug or corruption generated a bad
> counter shard
> I am not 100% sure whether they are related.
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