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From "Terje Marthinussen (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CASSANDRA-2766) ConcurrentModificationException during node recovery
Date Tue, 14 Jun 2011 07:14:53 GMT
ConcurrentModificationException during node recovery
----------------------------------------------------

                 Key: CASSANDRA-2766
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-2766
             Project: Cassandra
          Issue Type: Bug
          Components: Core
            Reporter: Terje Marthinussen


Testing some node recovery operations.

In this case:
1. Data is being added/updated as it would in production
2. repair is running on other nodes in the cluster
3. we wiped data on this node and started up again, but before repair was actually started
on this node (but it had gotten data through the regular data feed) we got this error.

I see no indication in the logs that outgoing streams has been started, but the node have
finished one incoming stream before this (I guess from some other node doing repair).

 INFO [CompactionExecutor:11] 2011-06-14 14:15:09,078 SSTableReader.java (line 155) Opening
/data/cassandra/node1/data/JP/test-g-8
 INFO [CompactionExecutor:13] 2011-06-14 14:15:09,079 SSTableReader.java (line 155) Opening
/data/cassandra/node1/data/JP/test-g-10
 INFO [HintedHandoff:1] 2011-06-14 14:15:26,623 HintedHandOffManager.java (line 302) Started
hinted handoff for endpoint /1.10.42.216
 INFO [HintedHandoff:1] 2011-06-14 14:15:26,623 HintedHandOffManager.java (line 358) Finished
hinted handoff of 0 rows to endpoint /1.10.42.216
 INFO [CompactionExecutor:9] 2011-06-14 14:15:29,417 SSTableReader.java (line 155) Opening
/data/cassandra/node1/data/JP/Datetest-g-2
ERROR [Thread-84] 2011-06-14 14:15:36,755 AbstractCassandraDaemon.java (line 113) Fatal exception
in thread Thread[Thread-84,5,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.streaming.StreamInSession.closeIfFinished(StreamInSession.java:132)
        at org.apache.cassandra.streaming.IncomingStreamReader.read(IncomingStreamReader.java:63)
        at org.apache.cassandra.net.IncomingTcpConnection.stream(IncomingTcpConnection.java:155)
        at org.apache.cassandra.net.IncomingTcpConnection.run(IncomingTcpConnection.java:93)
ERROR [Thread-79] 2011-06-14 14:15:36,755 AbstractCassandraDaemon.java (line 113) Fatal exception
in thread Thread[Thread-79,5,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.streaming.StreamInSession.closeIfFinished(StreamInSession.java:132)
        at org.apache.cassandra.streaming.IncomingStreamReader.read(IncomingStreamReader.java:63)
        at org.apache.cassandra.net.IncomingTcpConnection.stream(IncomingTcpConnection.java:155)
        at org.apache.cassandra.net.IncomingTcpConnection.run(IncomingTcpConnection.java:93)
ERROR [Thread-83] 2011-06-14 14:15:36,755 AbstractCassandraDaemon.java (line 113) Fatal exception
in thread Thread[Thread-83,5,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.streaming.StreamInSession.closeIfFinished(StreamInSession.java:132)
        at org.apache.cassandra.streaming.IncomingStreamReader.read(IncomingStreamReader.java:63)
        at org.apache.cassandra.net.IncomingTcpConnection.stream(IncomingTcpConnection.java:155)
        at org.apache.cassandra.net.IncomingTcpConnection.run(IncomingTcpConnection.java:93)
ERROR [Thread-85] 2011-06-14 14:15:36,755 AbstractCassandraDaemon.java (line 113) Fatal exception
in thread Thread[Thread-85,5,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.streaming.StreamInSession.closeIfFinished(StreamInSession.java:132)
        at org.apache.cassandra.streaming.IncomingStreamReader.read(IncomingStreamReader.java:63)
        at org.apache.cassandra.net.IncomingTcpConnection.stream(IncomingTcpConnection.java:155)
        at org.apache.cassandra.net.IncomingTcpConnection.run(IncomingTcpConnection.java:93)


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