AssertionError: No data found for NamesQueryFilter

[Kyle Gibson]

Running version 0.7.6-2, recently upgraded from 0.7.3.

I am get a time out exception when I run a particular
get_indexed_slices, which results in the following error showing up on
a few nodes:

ERROR [ReadStage:16] 2011-07-12 23:01:31,424
AbstractCassandraDaemon.java (line 114) Fatal exception in thread
Thread[ReadStage:16,5,main]
java.lang.AssertionError: No data found for
NamesQueryFilter(columns=java.nio.HeapByteBuffer[pos=12 lim=18
cap=29],java.nio.HeapByteBuffer[pos=22 lim=28 cap=29]) in
DecoratedKey(39222808797828327646767854834585383073,
464f2d47584f4c4833454a46384e4c54543341544c4339):QueryPath(columnFamilyName='subscriptions',
superColumnName='null', columnName='null') (original filter
NamesQueryFilter(columns=java.nio.HeapByteBuffer[pos=12 lim=18
cap=29],java.nio.HeapByteBuffer[pos=22 lim=28 cap=29])) from
expression 'XXX EQ YYY'
        at 
org.apache.cassandra.db.ColumnFamilyStore.scan(ColumnFamilyStore.java:1603)
        at 
org.apache.cassandra.service.IndexScanVerbHandler.doVerb(IndexScanVerbHandler.java:42)
        at 
org.apache.cassandra.net.MessageDeliveryTask.run(MessageDeliveryTask.java:72)
        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)


Thanks