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From Evgeniy Ryabitskiy <evgeniy.ryabits...@wikimart.ru>
Subject NPT while get_range_slices in 0.8.1
Date Fri, 26 Aug 2011 08:52:08 GMT
Hi,

we have 4 node Cassandra (version 0.8.1) cluster. 2 CF inside. While first
CF is working properly (read/store), get_range_slices query on second CF
return NPE error.
Any idea why it happen? Maybe some known bug and fixed in 0.8.3 ?



ERROR [pool-2-thread-51] 2011-08-25 15:02:04,360 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(Unknown
Source)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown
Source)
        at java.lang.Thread.run(Unknown Source)

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