[CASSANDRA-7632] NPE in AutoSavingCache$Writer.deleteOldCacheFiles

• Type: Bug
• Status: Resolved
• Priority: Low
• Resolution: Fixed
• Fix Version/s: 2.0.10
• Severity: Low
• Since Version: 2.0.9
• Assignee: Marcus Eriksson
• Reporter: Vishy Kasar

Authors

Marcus Eriksson

Reviewers

Yuki Morishita

• Created: 28/Jul/14 17:25
• Updated: 16/Apr/19 09:31
• Resolved: 31/Jul/14 06:06

Description

Observed this NPE in one of our production cluster (2.0.9). Does not seem to be causing harm but good to resolve.

ERROR [CompactionExecutor:1188] 2014-07-27 21:57:08,225 CassandraDaemon.java (line 199) Exception in thread Thread[CompactionExecutor:1188,1,main]
clusterName=clouddb_p03
java.lang.NullPointerException
at org.apache.cassandra.cache.AutoSavingCache$Writer.deleteOldCacheFiles(AutoSavingCache.java:265)
at org.apache.cassandra.cache.AutoSavingCache$Writer.saveCache(AutoSavingCache.java:195)
at org.apache.cassandra.db.compaction.CompactionManager$10.run(CompactionManager.java:862)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
at java.util.concurrent.FutureTask.run(FutureTask.java:166)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
at java.lang.Thread.run(Thread.java:722)