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https://issues.apache.org/jira/browse/CASSANDRA-2847?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13058736#comment-13058736
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Jonathan Ellis commented on CASSANDRA-2847:
-------------------------------------------
Sounds like CASSANDRA-2823. Can you try svn head of the 0.8 branch?
> Nullpointer Exception in get_range_slices
> -----------------------------------------
>
> Key: CASSANDRA-2847
> URL: https://issues.apache.org/jira/browse/CASSANDRA-2847
> Project: Cassandra
> Issue Type: Bug
> Components: Core
> Affects Versions: 0.8.1
> Reporter: Thibaut
> Priority: Critical
>
> Hi,
> we upgraded our test cluster from 0.7.* to 0.8.1. We did run nodetool scrub
> on each node, and then nodetool repair (Repair might not have finished so
> far). We also upgradet to hector 0.8.1
> We tried to run our application and get_range_slices fails with the following
> error:
> ERROR [pool-2-thread-15] 2011-07-01 20:15:46,224 Cassandra.java (line 3210)
> Internal error processing get_range_slices
> java.lang.NullPointerException
> at org.apache.cassandra.db.ColumnFamily.diff(ColumnFamily.java:298)
> at org.apache.cassandra.db.ColumnFamily.diff(ColumnFamily.java:406)
> at
> org.apache.cassandra.service.RowRepairResolver.maybeScheduleRepairs(RowRepairResolver.java:103)
> at
> org.apache.cassandra.service.RangeSliceResponseResolver$2.getReduced(RangeSliceResponseResolver.java:120)
> at
> org.apache.cassandra.service.RangeSliceResponseResolver$2.getReduced(RangeSliceResponseResolver.java:85)
> at
> org.apache.cassandra.utils.ReducingIterator.computeNext(ReducingIterator.java:74)
> at
> com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:140)
> at
> com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:135)
> at
> org.apache.cassandra.service.StorageProxy.getRangeSlice(StorageProxy.java:715)
> at
> org.apache.cassandra.thrift.CassandraServer.get_range_slices(CassandraServer.java:617)
> at
> org.apache.cassandra.thrift.Cassandra$Processor$get_range_slices.process(Cassandra.java:3202)
> at
> org.apache.cassandra.thrift.Cassandra$Processor.process(Cassandra.java:2889)
> at
> org.apache.cassandra.thrift.CustomTThreadPoolServer$WorkerProcess.run(CustomTThreadPoolServer.java:187)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
> at java.lang.Thread.run(Thread.java:662)
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