[CASSANDRA-2653] index scan errors out when zero columns are requested

• Type: Bug
• Status: Resolved
• Priority: Low
• Resolution: Fixed
• Fix Version/s: 0.7.7, 0.8.2
• Severity: Low
• Assignee: Sylvain Lebresne
• Reporter: Jonathan Ellis

Authors

Sylvain Lebresne

• Created: 14/May/11 15:02
• Updated: 16/Apr/19 09:32
• Resolved: 29/Jun/11 19:41

Description

As reported by Tyler Hobbs as an addendum to CASSANDRA-2401,

ERROR 16:13:38,864 Fatal exception in thread Thread[ReadStage:16,5,main]
java.lang.AssertionError: No data found for SliceQueryFilter(start=java.nio.HeapByteBuffer[pos=10 lim=10 cap=30], finish=java.nio.HeapByteBuffer[pos=17 lim=17 cap=30], reversed=false, count=0] in DecoratedKey(81509516161424251288255223397843705139, 6b657931):QueryPath(columnFamilyName='cf', superColumnName='null', columnName='null') (original filter SliceQueryFilter(start=java.nio.HeapByteBuffer[pos=10 lim=10 cap=30], finish=java.nio.HeapByteBuffer[pos=17 lim=17 cap=30], reversed=false, count=0]) from expression 'cf.626972746864617465 EQ 1'
	at org.apache.cassandra.db.ColumnFamilyStore.scan(ColumnFamilyStore.java:1517)
	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$Worker.runTask(ThreadPoolExecutor.java:886)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
	at java.lang.Thread.run(Thread.java:662)