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From "Dan Di Spaltro (JIRA)" <j...@apache.org>
Subject [jira] Commented: (CASSANDRA-578) get_range_slice NPE
Date Tue, 24 Nov 2009 04:32:40 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-578?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12781767#action_12781767
] 

Dan Di Spaltro commented on CASSANDRA-578:
------------------------------------------

Let me try to do that.

just fyi in org.apache.cassandra.db.row.RowSerializer row.cf is null which is causing the
NPE.

> get_range_slice NPE
> -------------------
>
>                 Key: CASSANDRA-578
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-578
>             Project: Cassandra
>          Issue Type: Bug
>    Affects Versions: 0.5
>            Reporter: Dan Di Spaltro
>            Assignee: Jonathan Ellis
>             Fix For: 0.5
>
>         Attachments: 0001-CASSANDRA-578-r-m-unused-Row-code-and-move-table-vari.txt,
0002-make-Row-contain-a-single-final-CF-reference.txt
>
>
> If I call get_range_slice with arguments in the SliceRange structure, then it seems to
NPE.  I think it only does it when there is nothing in the range specified in the column slice
start and end.
> ERROR - Error in ThreadPoolExecutor
> java.lang.RuntimeException: java.lang.NullPointerException
>         at org.apache.cassandra.service.RangeSliceVerbHandler.doVerb(RangeSliceVerbHandler.java:55)
>         at org.apache.cassandra.net.MessageDeliveryTask.run(MessageDeliveryTask.java:38)
>         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)
> Caused by: java.lang.NullPointerException
>         at org.apache.cassandra.db.Row.addColumnFamily(Row.java:96)
>         at org.apache.cassandra.db.ColumnFamilyStore.getRangeSlice(ColumnFamilyStore.java:1469)
>         at org.apache.cassandra.service.RangeSliceVerbHandler.doVerb(RangeSliceVerbHandler.java:41)
>         ... 4 more
> ERROR - Fatal exception in thread Thread[ROW-READ-STAGE:8,5,main]
> java.lang.RuntimeException: java.lang.NullPointerException
>         at org.apache.cassandra.service.RangeSliceVerbHandler.doVerb(RangeSliceVerbHandler.java:55)
>         at org.apache.cassandra.net.MessageDeliveryTask.run(MessageDeliveryTask.java:38)
>         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)
> Caused by: java.lang.NullPointerException
>         at org.apache.cassandra.db.Row.addColumnFamily(Row.java:96)
>         at org.apache.cassandra.db.ColumnFamilyStore.getRangeSlice(ColumnFamilyStore.java:1469)
>         at org.apache.cassandra.service.RangeSliceVerbHandler.doVerb(RangeSliceVerbHandler.java:41)
>         ... 4 more

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