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Date: Sat, 27 Nov 2010 14:24:37 -0500 (EST)
From: "chris (JIRA)" <jira@apache.org>
To: commits@cassandra.apache.org
Subject: [jira] Commented: (CASSANDRA-1781) Internal error processing
 get_range_slices
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    [ https://issues.apache.org/jira/browse/CASSANDRA-1781?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12964423#action_12964423 ] 

chris commented on CASSANDRA-1781:
----------------------------------

I'm seeing exactly the same behaviour on 0.7-rc1. contrib/word_count (as well as my own map-reduce code based on contrib/word_count) works fine on a single-node, but as soon as i add more nodes to the cluster i get the same errors.

This seems identical to issue #1724 (https://issues.apache.org/jira/browse/CASSANDRA-1724), but that ticket has been "resolved".

I can provide logs if they're of use to anybody.


Chris

> Internal error processing get_range_slices
> ------------------------------------------
>
>                 Key: CASSANDRA-1781
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-1781
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Core
>    Affects Versions: 0.7.0 rc 1
>         Environment: Debian Linux 2.6.32-openvz-amd64 x86_64 GNU/Linux, Cloudera hadoop CDH3
>            Reporter: Patrik Modesto
>
> Runnig mapreduce task on two or more Cassandra nodes gives following error:
> DEBUG 16:51:48,653 range_slice
> DEBUG 16:51:48,653 RangeSliceCommand{keyspace='TEST', column_family='Url', super_column=null, predicate=SlicePredicate(column_names:[java.nio.HeapByteBuffer[pos=57 lim=67 cap=177]]), range=(162950022446285318630909295651345252065,9481098247439719900692337295923514899], max_keys=4096}
> DEBUG 16:51:48,653 restricted ranges for query (162950022446285318630909295651345252065,9481098247439719900692337295923514899] are [(162950022446285318630909295651345252065,9481098247439719900692337295923514899]]
> DEBUG 16:51:48,653 local range slice
> ERROR 16:51:48,653 Internal error processing get_range_slices
> java.lang.AssertionError: (162950022446285318630909295651345252065,9481098247439719900692337295923514899]
> at org.apache.cassandra.db.ColumnFamilyStore.getRangeSlice(ColumnFamilyStore.java:1264)
> at org.apache.cassandra.service.StorageProxy.getRangeSlice(StorageProxy.java:429)
> at org.apache.cassandra.thrift.CassandraServer.get_range_slices(CassandraServer.java:514)
> at org.apache.cassandra.thrift.Cassandra$Processor$get_range_slices.process(Cassandra.java:2868)
> at org.apache.cassandra.thrift.Cassandra$Processor.process(Cassandra.java:2555)
> at org.apache.cassandra.thrift.CustomTThreadPoolServer$WorkerProcess.run(CustomTThreadPoolServer.java:167)
> at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
> at java.lang.Thread.run(Thread.java:619)
> DEBUG 16:51:48,838 logged out: #<User allow_all groups=[]>
> You can reproduce this by just running contrib/word_count example. Mapreduce last worked with Cassandra 0.7-beta2. Important is to run more than one node.

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