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Posted to commits@cassandra.apache.org by "Jonathan Ellis (JIRA)" <ji...@apache.org> on 2013/11/20 06:01:23 UTC
[jira] [Updated] (CASSANDRA-6374) AssertionError for rows with zero
columns
[ https://issues.apache.org/jira/browse/CASSANDRA-6374?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jonathan Ellis updated CASSANDRA-6374:
--------------------------------------
Attachment: 6374.txt
Patch attached to do that. I'm a bit nervous though that I'm not 100% sure if 1.2 was actually writing empty rows to sstables, or if it was rejecting them silently somewhere else.
> 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
> Fix For: 2.0.3
>
> 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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