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Posted to user@cassandra.apache.org by Narendra Sharma <na...@gmail.com> on 2011/01/31 08:09:34 UTC

EOFException in ReadStage

Version: Cassandra 0.7.1

I am seeing following exception at regular interval (very frequently) in
Cassandra. I did a clean install of Cassandra 0.7.1 and deleted all old
data. Any idea what could be the cause? The stack is same for all the
occurrances.

Thanks,
Naren

ERROR [ReadStage:11232] 2011-01-28 20:19:09,671
AbstractCassandraDaemon.java (line 114) Fatal exception in thread
Thread[ReadStage:11232,5,main]
java.io.IOError: java.io.EOFException
	at org.apache.cassandra.db.columniterator.SSTableNamesIterator.<init>(SSTableNamesIterator.java:75)
	at org.apache.cassandra.db.filter.NamesQueryFilter.getSSTableColumnIterator(NamesQueryFilter.java:59)
	at org.apache.cassandra.db.filter.QueryFilter.getSSTableColumnIterator(QueryFilter.java:80)
	at org.apache.cassandra.db.ColumnFamilyStore.getTopLevelColumns(ColumnFamilyStore.java:1267)
	at org.apache.cassandra.db.ColumnFamilyStore.getColumnFamily(ColumnFamilyStore.java:1159)
	at org.apache.cassandra.db.ColumnFamilyStore.getColumnFamily(ColumnFamilyStore.java:1088)
	at org.apache.cassandra.db.Table.getRow(Table.java:384)
	at org.apache.cassandra.db.SliceByNamesReadCommand.getRow(SliceByNamesReadCommand.java:60)
	at org.apache.cassandra.db.ReadVerbHandler.doVerb(ReadVerbHandler.java:69)
	at org.apache.cassandra.net.MessageDeliveryTask.run(MessageDeliveryTask.java:70)
	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)
Caused by: java.io.EOFException
	at java.io.DataInputStream.readInt(DataInputStream.java:375)
	at org.apache.cassandra.utils.BloomFilterSerializer.deserialize(BloomFilterSerializer.java:48)
	at org.apache.cassandra.utils.BloomFilterSerializer.deserialize(BloomFilterSerializer.java:30)
	at org.apache.cassandra.io.sstable.IndexHelper.defreezeBloomFilter(IndexHelper.java:108)
	at org.apache.cassandra.db.columniterator.SSTableNamesIterator.read(SSTableNamesIterator.java:106)


	at org.apache.cassandra.db.columniterator.SSTableNamesIterator.<init>(SSTableNamesIterator.java:71)

Re: EOFException in ReadStage

Posted by aaron morton <aa...@thelastpickle.com>.
Could you supply some more information on how to reproduce this please. Such as the schema,  data inserted and the read command.

Aaron


On 31 Jan 2011, at 20:09, Narendra Sharma wrote:

> Version: Cassandra 0.7.1
> 
> I am seeing following exception at regular interval (very frequently) in Cassandra. I did a clean install of Cassandra 0.7.1 and deleted all old data. Any idea what could be the cause? The stack is same for all the occurrances.
> 
> Thanks,
> Naren
> ERROR [ReadStage:11232] 2011-01-28 20:19:09,671 AbstractCassandraDaemon.java (line 114) Fatal exception in thread Thread[ReadStage:11232,5,main]
> java.io.IOError: java.io.EOFException
> 	at org.apache.cassandra.db.columniterator.SSTableNamesIterator.<init>(SSTableNamesIterator.java:75)
> 
> 	at org.apache.cassandra.db.filter.NamesQueryFilter.getSSTableColumnIterator(NamesQueryFilter.java:59)
> 	at org.apache.cassandra.db.filter.QueryFilter.getSSTableColumnIterator(QueryFilter.java:80)
> 	at org.apache.cassandra.db.ColumnFamilyStore.getTopLevelColumns(ColumnFamilyStore.java:1267)
> 
> 	at org.apache.cassandra.db.ColumnFamilyStore.getColumnFamily(ColumnFamilyStore.java:1159)
> 	at org.apache.cassandra.db.ColumnFamilyStore.getColumnFamily(ColumnFamilyStore.java:1088)
> 	at org.apache.cassandra.db.Table.getRow(Table.java:384)
> 
> 	at org.apache.cassandra.db.SliceByNamesReadCommand.getRow(SliceByNamesReadCommand.java:60)
> 	at org.apache.cassandra.db.ReadVerbHandler.doVerb(ReadVerbHandler.java:69)
> 	at org.apache.cassandra.net.MessageDeliveryTask.run(MessageDeliveryTask.java:70)
> 
> 	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)
> 
> Caused by: java.io.EOFException
> 	at java.io.DataInputStream.readInt(DataInputStream.java:375)
> 	at org.apache.cassandra.utils.BloomFilterSerializer.deserialize(BloomFilterSerializer.java:48)
> 	at org.apache.cassandra.utils.BloomFilterSerializer.deserialize(BloomFilterSerializer.java:30)
> 
> 	at org.apache.cassandra.io.sstable.IndexHelper.defreezeBloomFilter(IndexHelper.java:108)
> 	at org.apache.cassandra.db.columniterator.SSTableNamesIterator.read(SSTableNamesIterator.java:106)
> 
> 
> 	at org.apache.cassandra.db.columniterator.SSTableNamesIterator.<init>(SSTableNamesIterator.java:71)
> 
>