Thanks Aaron. Created a ticket https://issues.apache.org/jira/browse/CASSANDRA-4367
Funnny thing is, I don't see any of the SSTables that participated in the failed compaction. Will do an upgradesstables and find out if problem still persists On Mon, Jun 18, 2012 at 6:43 AM, aaron morton <aa...@thelastpickle.com>wrote: > Can you please create a ticket on > https://issues.apache.org/jira/browse/CASSANDRA > > Please include: > * CF definition including the bloom_filter_fp_chance > * If the data was upgraded from a previous version of cassandra. > * The names of the files that were being compacted. > > As a work around you can try using nodetool upgradetables to re-write the > files - this may also fail, but its could be worth trying. > > The next step would be to remove determine which files were causing the > issue (looking at the logs) and remove them from the data directory. Then > run repair to restore consistency. > > Cheers > > ----------------- > Aaron Morton > Freelance Developer > @aaronmorton > http://www.thelastpickle.com > > On 14/06/2012, at 11:38 PM, Ravikumar Govindarajan wrote: > > We received the following NPE during compaction of a large row. We are on > cassandra-1.0.7. Need some help here to find the root cause of the issue > > ERROR [CompactionExecutor:595] 2012-06-13 09:44:46,718 > AbstractCassandraDaemon.java (line 139) Fatal exception in thread > Thread[CompactionExecutor:595,1,main] > java.lang.NullPointerException > at > org.apache.cassandra.utils.MurmurHash.hash64(MurmurHash.java:102) > at > org.apache.cassandra.utils.BloomFilter.getHashBuckets(BloomFilter.java:103) > at > org.apache.cassandra.utils.BloomFilter.getHashBuckets(BloomFilter.java:92) > at org.apache.cassandra.utils.BloomFilter.add(BloomFilter.java:114) > at > org.apache.cassandra.db.ColumnIndexer.serialize(ColumnIndexer.java:96) > at > org.apache.cassandra.db.ColumnIndexer.serialize(ColumnIndexer.java:51) > at > org.apache.cassandra.db.compaction.PrecompactedRow.write(PrecompactedRow.java:135) > at > org.apache.cassandra.io.sstable.SSTableWriter.append(SSTableWriter.java:160) > at > org.apache.cassandra.db.compaction.CompactionTask.execute(CompactionTask.java:159) > at > org.apache.cassandra.db.compaction.CompactionManager$1.call(CompactionManager.java:134) > at > org.apache.cassandra.db.compaction.CompactionManager$1.call(CompactionManager.java:114) > at > java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303) > at java.util.concurrent.FutureTask.run(FutureTask.java:138) > at > java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:885) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907) > at java.lang.Thread.run(Thread.java:619) > > Thanks and Regards, > Ravi > > >
