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https://issues.apache.org/jira/browse/CASSANDRA-8399?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Joshua McKenzie updated CASSANDRA-8399:
---------------------------------------
Reviewer: Benedict (was: Marcus Eriksson)
> Reference Counter exception when dropping user type
> ---------------------------------------------------
>
> Key: CASSANDRA-8399
> URL: https://issues.apache.org/jira/browse/CASSANDRA-8399
> Project: Cassandra
> Issue Type: Bug
> Reporter: Philip Thompson
> Assignee: Joshua McKenzie
> Fix For: 2.1.3
>
> Attachments: 8399_fix_empty_results.txt, 8399_v2.txt, node2.log,
> ubuntu-8399.log
>
>
> When running the dtest
> {{user_types_test.py:TestUserTypes.test_type_keyspace_permission_isolation}}
> with the current 2.1-HEAD code, very frequently, but not always, when
> dropping a type, the following exception is seen:{code}
> ERROR [MigrationStage:1] 2014-12-01 13:54:54,824 CassandraDaemon.java:170 -
> Exception in thread Thread[MigrationStage:1,5,main]
> java.lang.AssertionError: Reference counter -1 for
> /var/folders/v3/z4wf_34n1q506_xjdy49gb780000gn/T/dtest-eW2RXj/test/node2/data/system/schema_keyspaces-b0f2235744583cdb9631c43e59ce3676/system-sche
> ma_keyspaces-ka-14-Data.db
> at
> org.apache.cassandra.io.sstable.SSTableReader.releaseReference(SSTableReader.java:1662)
> ~[main/:na]
> at
> org.apache.cassandra.io.sstable.SSTableScanner.close(SSTableScanner.java:164)
> ~[main/:na]
> at
> org.apache.cassandra.utils.MergeIterator.close(MergeIterator.java:62)
> ~[main/:na]
> at
> org.apache.cassandra.db.ColumnFamilyStore$8.close(ColumnFamilyStore.java:1943)
> ~[main/:na]
> at
> org.apache.cassandra.db.ColumnFamilyStore.filter(ColumnFamilyStore.java:2116)
> ~[main/:na]
> at
> org.apache.cassandra.db.ColumnFamilyStore.getRangeSlice(ColumnFamilyStore.java:2029)
> ~[main/:na]
> at
> org.apache.cassandra.db.ColumnFamilyStore.getRangeSlice(ColumnFamilyStore.java:1963)
> ~[main/:na]
> at
> org.apache.cassandra.db.SystemKeyspace.serializedSchema(SystemKeyspace.java:744)
> ~[main/:na]
> at
> org.apache.cassandra.db.SystemKeyspace.serializedSchema(SystemKeyspace.java:731)
> ~[main/:na]
> at org.apache.cassandra.config.Schema.updateVersion(Schema.java:374)
> ~[main/:na]
> at
> org.apache.cassandra.config.Schema.updateVersionAndAnnounce(Schema.java:399)
> ~[main/:na]
> at
> org.apache.cassandra.db.DefsTables.mergeSchema(DefsTables.java:167)
> ~[main/:na]
> at
> org.apache.cassandra.db.DefinitionsUpdateVerbHandler$1.runMayThrow(DefinitionsUpdateVerbHandler.java:49)
> ~[main/:na]
> at
> org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:28)
> ~[main/:na]
> at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
> ~[na:1.7.0_67]
> at java.util.concurrent.FutureTask.run(FutureTask.java:262)
> ~[na:1.7.0_67]
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> ~[na:1.7.0_67]
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> [na:1.7.0_67]
> at java.lang.Thread.run(Thread.java:745) [na:1.7.0_67]{code}
> Log of the node with the error is attached.
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