I'm running the latest from the 1.2 branch as of a few days ago. I needed one of the patches that will be in 1.2.7
There was no error stack, just that line in the log. I wiped the database (deleted all the files in the lib dir) and restarted my data load, and am consistently running into the incorrect row data size error, almost immediately… It seems to be specific to compacting large rows. I have been unsuccessful in getting a large row to compact… Paul On Jul 21, 2013, at 1:42 PM, aaron morton <aa...@thelastpickle.com> wrote: > What version are you running ? > >> ERROR [CompactionExecutor:38] 2013-07-19 17:01:34,494 CassandraDaemon.java >> (line 192) Exception in thread Thread[CompactionExecutor:38,1,main] >> java.lang.NullPointerException > What' the full error stack ? > >> Not sure if this is related or not, but I'm also getting a bunch of >> AssertionErrors as well, even after running a scrub… >> >> ERROR [CompactionExecutor:38] 2013-07-19 17:01:06,192 CassandraDaemon.java >> (line 192) Exception in thread Thread[CompactionExecutor:38,1,main] >> java.lang.AssertionError: incorrect row data size 29502477 written to >> /mnt/datadrive/lib/cassandra/data/fanzo/tweets_by_team/fanzo-tweets_by_team-tmp-ic-5262-Data.db; >> correct is 29725806 > Double check that the scrub was successful. > > If it's not detecting / fixing the problem look for previous log messages > from that thread [CompactionExecutor:38] and see what sstables it was > compacting. Try remove those. But I would give scrub another chance to get it > sorted. > > Cheers > > ----------------- > Aaron Morton > Cassandra Consultant > New Zealand > > @aaronmorton > http://www.thelastpickle.com > > On 20/07/2013, at 5:04 AM, Paul Ingalls <paulinga...@gmail.com> wrote: > >> I'm seeing a number of NullPointerExceptions in the log of my cluster. You >> can see the log line below. I'm thinking this is probably bad. Any ideas? >> >> ERROR [CompactionExecutor:38] 2013-07-19 17:01:34,494 CassandraDaemon.java >> (line 192) Exception in thread Thread[CompactionExecutor:38,1,main] >> java.lang.NullPointerException >> >> Not sure if this is related or not, but I'm also getting a bunch of >> AssertionErrors as well, even after running a scrub… >> >> ERROR [CompactionExecutor:38] 2013-07-19 17:01:06,192 CassandraDaemon.java >> (line 192) Exception in thread Thread[CompactionExecutor:38,1,main] >> java.lang.AssertionError: incorrect row data size 29502477 written to >> /mnt/datadrive/lib/cassandra/data/fanzo/tweets_by_team/fanzo-tweets_by_team-tmp-ic-5262-Data.db; >> correct is 29725806 >> at >> org.apache.cassandra.io.sstable.SSTableWriter.append(SSTableWriter.java:162) >> at >> org.apache.cassandra.db.compaction.CompactionTask.runWith(CompactionTask.java:162) >> at >> org.apache.cassandra.io.util.DiskAwareRunnable.runMayThrow(DiskAwareRunnable.java:48) >> at >> org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:28) >> at >> org.apache.cassandra.db.compaction.CompactionTask.executeInternal(CompactionTask.java:58) >> at >> org.apache.cassandra.db.compaction.AbstractCompactionTask.execute(AbstractCompactionTask.java:60) >> at >> org.apache.cassandra.db.compaction.CompactionManager$BackgroundCompactionTask.run(CompactionManager.java:211) >> at >> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) >> at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334) >> at java.util.concurrent.FutureTask.run(FutureTask.java:166) >> at >> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) >> at >> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) >> at java.lang.Thread.run(Thread.java:724) >> >> >