See the following mail thread: http://www.mail-archive.com/user@cassandra.apache.org/msg10183.html
In short, running nodetool compact should clear it up. On Wed, Feb 16, 2011 at 11:23 PM, Casey Deccio <ca...@deccio.net> wrote: > I recently upgraded to 0.7.2 from 0.7.0, and now when I run my > multi-threaded app (using python/pycassa/thrift) I'm getting the following > NegativeArraySizeException. The traceback is below: > > ERROR 21:08:33,187 Fatal exception in thread Thread[ReadStage:219,5,main] > java.lang.RuntimeException: java.lang.NegativeArraySizeException > at > org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:34) > at > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603) > at java.lang.Thread.run(Thread.java:636) > Caused by: java.lang.NegativeArraySizeException > at > org.apache.cassandra.utils.BloomFilterSerializer.deserialize(BloomFilterSerializer.java:49) > at > org.apache.cassandra.utils.BloomFilterSerializer.deserialize(BloomFilterSerializer.java:30) > at > org.apache.cassandra.io.sstable.IndexHelper.defreezeBloomFilter(IndexHelper.java:108) > at > org.apache.cassandra.db.columniterator.SSTableNamesIterator.read(SSTableNamesIterator.java:106) > at > org.apache.cassandra.db.columniterator.SSTableNamesIterator.<init>(SSTableNamesIterator.java:71) > at > org.apache.cassandra.db.filter.NamesQueryFilter.getSSTableColumnIterator(NamesQueryFilter.java:59) > at > org.apache.cassandra.db.filter.QueryFilter.getSSTableColumnIterator(QueryFilter.java:80) > at > org.apache.cassandra.db.ColumnFamilyStore.getTopLevelColumns(ColumnFamilyStore.java:1275) > at > org.apache.cassandra.db.ColumnFamilyStore.getColumnFamily(ColumnFamilyStore.java:1167) > at > org.apache.cassandra.db.ColumnFamilyStore.getColumnFamily(ColumnFamilyStore.java:1095) > at org.apache.cassandra.db.Table.getRow(Table.java:384) > at > org.apache.cassandra.db.SliceByNamesReadCommand.getRow(SliceByNamesReadCommand.java:60) > at > org.apache.cassandra.service.StorageProxy$LocalReadRunnable.runMayThrow(StorageProxy.java:473) > at > org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:30) > ... 3 more > > Any ideas? > > As a side note, is there a way to revert to 0.7.0 keeping the cluster in > tact? > > Casey >
