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https://issues.apache.org/jira/browse/CASSANDRA-11962?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Paulo Motta resolved CASSANDRA-11962.
-------------------------------------
Resolution: Duplicate
Assignee: (was: Paulo Motta)
> Non-fatal NPE during concurrent repair check
> --------------------------------------------
>
> Key: CASSANDRA-11962
> URL: https://issues.apache.org/jira/browse/CASSANDRA-11962
> Project: Cassandra
> Issue Type: Bug
> Reporter: Robert Stupp
> Priority: Minor
>
> "Usual" checks for multiple repairs result in this exception in the log file:
> {code}
> ERROR [ValidationExecutor:6] 2016-06-06 07:56:23,530 CassandraDaemon.java:222
> - Exception in thread Thread[ValidationExecutor:6,1,main]
> java.lang.RuntimeException: Cannot start multiple repair sessions over the
> same sstables
> at
> org.apache.cassandra.db.compaction.CompactionManager.getSSTablesToValidate(CompactionManager.java:1325)
> ~[main/:na]
> at
> org.apache.cassandra.db.compaction.CompactionManager.doValidationCompaction(CompactionManager.java:1215)
> ~[main/:na]
> at
> org.apache.cassandra.db.compaction.CompactionManager.access$700(CompactionManager.java:81)
> ~[main/:na]
> at
> org.apache.cassandra.db.compaction.CompactionManager$11.call(CompactionManager.java:844)
> ~[main/:na]
> at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> ~[na:1.8.0_91]
> {code}
> However, I saw this one:
> {code}
> ERROR [ValidationExecutor:6] 2016-06-06 07:56:25,002 CassandraDaemon.java:222
> - Exception in thread Thread[ValidationExecutor:6,1,main]
> java.lang.NullPointerException: null
> at
> org.apache.cassandra.service.ActiveRepairService$ParentRepairSession.getActiveSSTables(ActiveRepairService.java:495)
> ~[main/:na]
> at
> org.apache.cassandra.service.ActiveRepairService$ParentRepairSession.access$300(ActiveRepairService.java:451)
> ~[main/:na]
> at
> org.apache.cassandra.service.ActiveRepairService.currentlyRepairing(ActiveRepairService.java:338)
> ~[main/:na]
> at
> org.apache.cassandra.db.compaction.CompactionManager.getSSTablesToValidate(CompactionManager.java:1320)
> ~[main/:na]
> at
> org.apache.cassandra.db.compaction.CompactionManager.doValidationCompaction(CompactionManager.java:1215)
> ~[main/:na]
> at
> org.apache.cassandra.db.compaction.CompactionManager.access$700(CompactionManager.java:81)
> ~[main/:na]
> at
> org.apache.cassandra.db.compaction.CompactionManager$11.call(CompactionManager.java:844)
> ~[main/:na]
> at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> ~[na:1.8.0_91]
> {code}
> Looks like there is no entry for {{cfId}} in {{getActiveSStables}} at {{for
> (SSTableReader sstable : columnFamilyStores.get(cfId).getSSTables())}}.
> (against trunk)
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