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https://issues.apache.org/jira/browse/CASSANDRA-4305?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13290199#comment-13290199
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Pavel Yaskevich commented on CASSANDRA-4305:
--------------------------------------------
And that is yet another clue that it should be a immutable "container" from my
previous comment and as we don't really want to make an object immutable itself
(would require copying internals) the other way is to serialize it on
Table.apply to preserve the state otherwise such errors would come up
repeatedly.
> CF serialization failure when working with custom secondary indices.
> --------------------------------------------------------------------
>
> Key: CASSANDRA-4305
> URL: https://issues.apache.org/jira/browse/CASSANDRA-4305
> Project: Cassandra
> Issue Type: Bug
> Components: Core
> Affects Versions: 1.0.10
> Reporter: Pavel Yaskevich
> Labels: datastax_qa
> Attachments: CASSANDRA-4305.patch
>
>
> Assertion (below) was triggered when client was adding new rows to
> Solr-backed secondary indices (1000-row batch without any timeout).
> {noformat}
> ERROR [COMMIT-LOG-WRITER] 2012-05-30 16:39:02,896
> AbstractCassandraDaemon.java (line 139) Fatal exception in thread
> Thread[COMMIT-LOG-WRITER,5,main]
> java.lang.AssertionError: Final buffer length 176 to accomodate data size of
> 123 (predicted 87) for RowMutation(keyspace='solrTest1338395932411',
> key='6b6579383039', modifications=[ColumnFamily(cf1
> [long:false:8@1338395942384024,stringId:false:13@1338395940586003,])])
> at
> org.apache.cassandra.utils.FBUtilities.serialize(FBUtilities.java:682)
> at
> org.apache.cassandra.db.RowMutation.getSerializedBuffer(RowMutation.java:279)
> at
> org.apache.cassandra.db.commitlog.CommitLogSegment.write(CommitLogSegment.java:122)
> at
> org.apache.cassandra.db.commitlog.CommitLog$LogRecordAdder.run(CommitLog.java:600)
> at
> org.apache.cassandra.db.commitlog.PeriodicCommitLogExecutorService$1.runMayThrow(PeriodicCommitLogExecutorService.java:49)
> at
> org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:30)
> at java.lang.Thread.run(Thread.java:662)
> {noformat}
> After investigation it was clear that it was happening because we were
> holding instances of RowMutation queued to the addition to CommitLog to the
> actual "write" moment which is redundant.
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