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https://issues.apache.org/jira/browse/CASSANDRA-8067?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Benedict updated CASSANDRA-8067:
Comment: was deleted
(was: Eh, it's not a burning desire to make better, so I'll leave it thanks.
More than enough to do. A brief handwavy outline is that the current
abstraction adds complexity by not really separating concerns; the duplication
is not a problem of the cost of the work but of the cognitive burden (which is
essentially why this happened in the first place). But since it's not a
significant pain point, it's not worth agonising over either. )
NullPointerException in KeyCacheSerializer
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Key: CASSANDRA-8067
URL: https://issues.apache.org/jira/browse/CASSANDRA-8067
Project: Cassandra
Issue Type: Bug
Components: Core
Reporter: Eric Leleu
Assignee: Aleksey Yeschenko
Fix For: 2.1.4
Attachments: 8067.txt
Hi,
I have this stack trace in the logs of Cassandra server (v2.1)
{code}
ERROR [CompactionExecutor:14] 2014-10-06 23:32:02,098
CassandraDaemon.java:166 - Exception in thread
Thread[CompactionExecutor:14,1,main]
java.lang.NullPointerException: null
at
org.apache.cassandra.service.CacheService$KeyCacheSerializer.serialize(CacheService.java:475)
~[apache-cassandra-2.1.0.jar:2.1.0]
at
org.apache.cassandra.service.CacheService$KeyCacheSerializer.serialize(CacheService.java:463)
~[apache-cassandra-2.1.0.jar:2.1.0]
at
org.apache.cassandra.cache.AutoSavingCache$Writer.saveCache(AutoSavingCache.java:225)
~[apache-cassandra-2.1.0.jar:2.1.0]
at
org.apache.cassandra.db.compaction.CompactionManager$11.run(CompactionManager.java:1061)
~[apache-cassandra-2.1.0.jar:2.1.0]
at java.util.concurrent.Executors$RunnableAdapter.call(Unknown
Source) ~[na:1.7.0]
at java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source)
~[na:1.7.0]
at java.util.concurrent.FutureTask.run(Unknown Source) ~[na:1.7.0]
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
[na:1.7.0]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
[na:1.7.0]
at java.lang.Thread.run(Unknown Source) [na:1.7.0]
{code}
It may not be critical because this error occured in the AutoSavingCache.
However the line 475 is about the CFMetaData so it may hide bigger issue...
{code}
474 CFMetaData cfm =
Schema.instance.getCFMetaData(key.desc.ksname, key.desc.cfname);
475 cfm.comparator.rowIndexEntrySerializer().serialize(entry,
out);
{code}
Regards,
Eric
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