[CASSANDRA-9216] NullPointerException (NPE) during Compaction Cache Serialization

• Type: Bug
• Status: Resolved
• Priority: Normal
• Resolution: Duplicate
• Fix Version/s: 2.1.5
• Labels: Compaction NPE

Environment

Debian linux wheezy patch current

• Severity: Normal
• Assignee: Unassigned
• Reporter: Jason Kania
• Created: 20/Apr/15 19:35
• Updated: 16/Apr/19 09:31
• Resolved: 04/Jun/15 14:25

Description

In case this hasn't been reported (I looked but did not see it), a null pointer exception is occurring during compaction. The stack track is as follows:

ERROR [CompactionExecutor:50] 2015-04-20 13:42:43,827 CassandraDaemon.java:223 - Exception in thread Thread[CompactionExecutor:50,1,main]
java.lang.NullPointerException: null
        at org.apache.cassandra.service.CacheService$KeyCacheSerializer.serialize(CacheService.java:475) ~[apache-cassandra-2.1.4.jar:2.1.4]
        at org.apache.cassandra.service.CacheService$KeyCacheSerializer.serialize(CacheService.java:463) ~[apache-cassandra-2.1.4.jar:2.1.4]
        at org.apache.cassandra.cache.AutoSavingCache$Writer.saveCache(AutoSavingCache.java:274) ~[apache-cassandra-2.1.4.jar:2.1.4]
        at org.apache.cassandra.db.compaction.CompactionManager$11.run(CompactionManager.java:1152) ~[apache-cassandra-2.1.4.jar:2.1.4]
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) ~[na:1.7.0_75]
        at java.util.concurrent.FutureTask.run(FutureTask.java:262) ~[na:1.7.0_75]
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) ~[na:1.7.0_75]
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) [na:1.7.0_75]
        at java.lang.Thread.run(Thread.java:745) [na:1.7.0_75]

Issue Links

• duplicates: CASSANDRA-8067 NullPointerException in KeyCacheSerializer