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https://issues.apache.org/jira/browse/CASSANDRA-8332?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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T Jake Luciani updated CASSANDRA-8332:
--------------------------------------
Attachment: 8332.txt
> Null pointer after droping keyspace
> -----------------------------------
>
> Key: CASSANDRA-8332
> URL: https://issues.apache.org/jira/browse/CASSANDRA-8332
> Project: Cassandra
> Issue Type: Bug
> Reporter: Chris Lohfink
> Assignee: T Jake Luciani
> Priority: Minor
> Fix For: 2.0.12, 2.1.3
>
> Attachments: 8332.txt, CassandraStressTest-8332.zip
>
>
> After dropping keyspace, sometimes I see this in logs:
> {code}
> ERROR 03:40:29 Exception in thread Thread[CompactionExecutor:2,1,main]
> java.lang.AssertionError: null
> at
> org.apache.cassandra.io.compress.CompressionParameters.setLiveMetadata(CompressionParameters.java:108)
> ~[main/:na]
> at
> org.apache.cassandra.io.sstable.SSTableReader.getCompressionMetadata(SSTableReader.java:1142)
> ~[main/:na]
> at
> org.apache.cassandra.io.sstable.SSTableReader.openDataReader(SSTableReader.java:1896)
> ~[main/:na]
> at
> org.apache.cassandra.io.sstable.SSTableScanner.<init>(SSTableScanner.java:68)
> ~[main/:na]
> at
> org.apache.cassandra.io.sstable.SSTableReader.getScanner(SSTableReader.java:1681)
> ~[main/:na]
> at
> org.apache.cassandra.io.sstable.SSTableReader.getScanner(SSTableReader.java:1693)
> ~[main/:na]
> at
> org.apache.cassandra.db.compaction.LeveledCompactionStrategy.getScanners(LeveledCompactionStrategy.java:181)
> ~[main/:na]
> at
> org.apache.cassandra.db.compaction.WrappingCompactionStrategy.getScanners(WrappingCompactionStrategy.java:320)
> ~[main/:na]
> at
> org.apache.cassandra.db.compaction.AbstractCompactionStrategy.getScanners(AbstractCompactionStrategy.java:340)
> ~[main/:na]
> at
> org.apache.cassandra.db.compaction.CompactionTask.runWith(CompactionTask.java:151)
> ~[main/:na]
> at
> org.apache.cassandra.io.util.DiskAwareRunnable.runMayThrow(DiskAwareRunnable.java:48)
> ~[main/:na]
> at
> org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:28)
> ~[main/:na]
> at
> org.apache.cassandra.db.compaction.CompactionTask.executeInternal(CompactionTask.java:75)
> ~[main/:na]
> at
> org.apache.cassandra.db.compaction.AbstractCompactionTask.execute(AbstractCompactionTask.java:59)
> ~[main/:na]
> at
> org.apache.cassandra.db.compaction.CompactionManager$BackgroundCompactionTask.run(CompactionManager.java:233)
> ~[main/:na]
> at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
> ~[na:1.7.0_71]
> at java.util.concurrent.FutureTask.run(FutureTask.java:262)
> ~[na:1.7.0_71]
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> ~[na:1.7.0_71]
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> [na:1.7.0_71]
> at java.lang.Thread.run(Thread.java:745) [na:1.7.0_71]
> {code}
> Minor issue since doesn't really affect anything, but the error makes it look
> like somethings wrong. Seen on 2.1 branch
> (1b21aef8152d96a180e75f2fcc5afad9ded6c595), not sure how far back (may be
> post 2.1.2).
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