Philip Thompson created CASSANDRA-8399:
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Summary: 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: Marcus Eriksson
Fix For: 2.1.3
Attachments: node2.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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