[CASSANDRA-2416] NullPointerException in CacheWriter.saveCache()

• Type: Bug
• Status: Resolved
• Priority: Low
• Resolution: Fixed
• Fix Version/s: 0.7.5

Environment

linux

• Severity: Low
• Assignee: Jonathan Ellis
• Reporter: Shotaro Kamio

Authors

Jonathan Ellis

Reviewers

Sylvain Lebresne

• Created: 05/Apr/11 09:28
• Updated: 16/Apr/19 09:33
• Resolved: 18/Apr/11 16:56

Description

I've seen NullPointerException of CacheWriter in our cluster (replication 3).

ERROR [CompactionExecutor:1] 2011-04-05 09:57:42,968 AbstractCassandraDaemon.java (line 112) Fatal exception in thread Thread[CompactionExecutor:1,1,main]
java.lang.RuntimeException: java.lang.NullPointerException
at org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:34)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
at java.util.concurrent.FutureTask.run(FutureTask.java:138)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:662)
Caused by: java.lang.NullPointerException
at org.apache.cassandra.utils.ByteBufferUtil.writeWithLength(ByteBufferUtil.java:275)
at org.apache.cassandra.io.sstable.CacheWriter.saveCache(CacheWriter.java:84)
at org.apache.cassandra.db.CompactionManager$10.runMayThrow(CompactionManager.java:960)
at org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:30)
... 6 more