Ravikumar created CASSANDRA-4367:
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Summary: 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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