Robert Stupp created CASSANDRA-11962:
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Summary: 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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