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From Zklanu Ryś (Created) (JIRA) <j...@apache.org>
Subject [jira] [Created] (CASSANDRA-4118) ConcurrentModificationException in ColumnFamily.updateDigest(ColumnFamily.java:294) (cassandra 1.0.8)
Date Thu, 05 Apr 2012 11:45:24 GMT
ConcurrentModificationException in ColumnFamily.updateDigest(ColumnFamily.java:294)  (cassandra
1.0.8)
------------------------------------------------------------------------------------------------------

                 Key: CASSANDRA-4118
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-4118
             Project: Cassandra
          Issue Type: Bug
    Affects Versions: 1.0.8
         Environment: two nodes, replication factor=2
            Reporter: Zklanu Ryś


Sometimes when reading data I receive them without any exception but I can see in Cassandra
logs, that there is an error:
ERROR [ReadRepairStage:58] 2012-04-05 12:04:35,732 AbstractCassandraDaemon.java (line 139)
Fatal exception in thread Thread[ReadRepairStage:58,5,main]
java.util.ConcurrentModificationException
    at java.util.AbstractList$Itr.checkForComodification(AbstractList.java:372)
    at java.util.AbstractList$Itr.next(AbstractList.java:343)
    at org.apache.cassandra.db.ColumnFamily.updateDigest(ColumnFamily.java:294)
    at org.apache.cassandra.db.ColumnFamily.digest(ColumnFamily.java:288)
    at org.apache.cassandra.service.RowDigestResolver.resolve(RowDigestResolver.java:102)
    at org.apache.cassandra.service.RowDigestResolver.resolve(RowDigestResolver.java:30)
    at org.apache.cassandra.service.ReadCallback$AsyncRepairRunner.runMayThrow(ReadCallback.java:227)
    at org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:30)

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