AssertionError in MappedFileDataInput.skipBytes when slicing a large number of 
keys
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                 Key: CASSANDRA-857
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-857
             Project: Cassandra
          Issue Type: Bug
          Components: Core
    Affects Versions: 0.6
         Environment: debian, amd64, sun java 1.6.0_12
            Reporter: Robert Edmonds
             Fix For: 0.6


i'm getting the following error when performing a range query that is supposed 
to return a large number of keys:

ERROR [ROW-READ-STAGE:9] 2010-03-07 03:54:49,672 CassandraDaemon.java (line 78) 
Fatal exception in thread Thread[ROW-READ-STAGE:9,5,main]
java.lang.AssertionError
        at 
org.apache.cassandra.io.util.MappedFileDataInput.skipBytes(MappedFileDataInput.java:104)
        at 
org.apache.cassandra.io.SSTableReader.getPosition(SSTableReader.java:382)
        at 
org.apache.cassandra.io.SSTableReader.getFileDataInput(SSTableReader.java:481)
        at 
org.apache.cassandra.db.filter.SSTableSliceIterator.<init>(SSTableSliceIterator.java:54)
        at 
org.apache.cassandra.db.filter.SliceQueryFilter.getSSTableColumnIterator(SliceQueryFilter.java:63)
        at 
org.apache.cassandra.db.ColumnFamilyStore.getTopLevelColumns(ColumnFamilyStore.java:851)
        at 
org.apache.cassandra.db.ColumnFamilyStore.getColumnFamily(ColumnFamilyStore.java:771)
        at 
org.apache.cassandra.db.ColumnFamilyStore.getColumnFamily(ColumnFamilyStore.java:740)
        at 
org.apache.cassandra.db.ColumnFamilyStore.getRangeSlice(ColumnFamilyStore.java:1040)
        at 
org.apache.cassandra.service.RangeSliceVerbHandler.doVerb(RangeSliceVerbHandler.java:41)
        at 
org.apache.cassandra.net.MessageDeliveryTask.run(MessageDeliveryTask.java:40)
        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)

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