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https://issues.apache.org/jira/browse/CASSANDRA-6374?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13829623#comment-13829623
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Mikhail Mazursky commented on CASSANDRA-6374:
---------------------------------------------
Can this be fixed for 2.0.3 please? We need to upgrade our testing cluster to
2.0.x but cannot because of this issue.
> AssertionError for rows with zero columns
> -----------------------------------------
>
> Key: CASSANDRA-6374
> URL: https://issues.apache.org/jira/browse/CASSANDRA-6374
> Project: Cassandra
> Issue Type: Bug
> Components: Core
> Reporter: Anton Gorbunov
> Assignee: Jonathan Ellis
> Fix For: 2.0.4
>
> Attachments: 6374.txt
>
>
> After upgrading from 1.2.5 to 1.2.9 and then to 2.0.2 we've got those
> exceptions:
> {code}
> ERROR [FlushWriter:1] 2013-11-18 16:14:36,305 CassandraDaemon.java (line 187)
> Exception in thread Thread[FlushWriter:1,5,main]
> java.lang.AssertionError
> at
> org.apache.cassandra.io.sstable.SSTableWriter.rawAppend(SSTableWriter.java:198)
> at
> org.apache.cassandra.io.sstable.SSTableWriter.append(SSTableWriter.java:186)
> at
> org.apache.cassandra.db.Memtable$FlushRunnable.writeSortedContents(Memtable.java:360)
> at
> org.apache.cassandra.db.Memtable$FlushRunnable.runWith(Memtable.java:315)
> at
> org.apache.cassandra.io.util.DiskAwareRunnable.runMayThrow(DiskAwareRunnable.java:48)
> at
> org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:28)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
> at java.lang.Thread.run(Thread.java:722)
> {code}
> Also found similar issue in this thread:
> http://www.mail-archive.com/user@cassandra.apache.org/msg32875.html
> There Aaron Morton said that its caused by leaving rows with zero columns -
> that's exactly what we do in some CFs (using Thrift & Astyanax).
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