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https://issues.apache.org/jira/browse/CASSANDRA-4367?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13400293#comment-13400293
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Ravikumar commented on CASSANDRA-4367:
--------------------------------------
Will upgrade to 1.0.10 and check it. Will re-enable assertions too.
> NPE in murmur-hash
> ------------------
>
> Key: CASSANDRA-4367
> URL: https://issues.apache.org/jira/browse/CASSANDRA-4367
> Project: Cassandra
> Issue Type: Bug
> Components: Core
> Affects Versions: 1.0.7
> Environment: GNU/Linux 2.6.18, 64-bit JDK 1.6.0_02-b05, Cassandra
> 1.0.7 NTS
> Reporter: Ravikumar
> Priority: Minor
>
> We were running nodetool repair -pr <ZMail> <MsgConvMapper> and received the
> following error during a compaction
> INFO [CompactionExecutor:595] 2012-06-13 08:46:59,927 CompactionTask.java
> (line 113) Compacting
> [SSTableReader(path='/home/sas/system/data/ZMail/MsgConvMapper-hc-183-Data.db'),
>
> SSTableReader(path='/home/sas/system/data/ZMail/MsgConvMapper-hc-185-Data.db'),
>
> SSTableReader(path='/home/sas/system/data/ZMail/MsgConvMapper-hc-171-Data.db'),
>
> SSTableReader(path='/home/sas/system/data/ZMail/MsgConvMapper-hc-182-Data.db')]
> INFO [CompactionExecutor:595] 2012-06-13 09:39:58,570
> CompactionController.java (line 133) Compacting large row
> ZMail/MsgConvMapper:691000001157001 (81190450 bytes) incrementally
> 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)
> The CF Def is:
> Keyspace: ZMail:
> Replication Strategy: org.apache.cassandra.locator.NetworkTopologyStrategy
> Durable Writes: true
> Options: [DC2:2, DC1:3]
> Column Families:
> ColumnFamily: MsgConvMapper (Super)
> Key Validation Class: org.apache.cassandra.db.marshal.LongType
> Default column value validator:
> org.apache.cassandra.db.marshal.BytesType
> Columns sorted by:
> org.apache.cassandra.db.marshal.LongType/org.apache.cassandra.db.marshal.BytesType
> Row cache size / save period in seconds / keys to save : 0.0/0/all
> Row Cache Provider: org.apache.cassandra.cache.SerializingCacheProvider
> Key cache size / save period in seconds: 200000.0/14400
> GC grace seconds: 1209600
> Compaction min/max thresholds: 4/32
> Read repair chance: 1.0
> Replicate on write: true
> Bloom Filter FP chance: default
> Built indexes: []
> Compaction Strategy:
> org.apache.cassandra.db.compaction.SizeTieredCompactionStrategy
> I do not see those any of those SSTables in disk, that participated in the
> above failed compaction.
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