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From "Tyler Hobbs (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CASSANDRA-7113) Unhandled ClassCastException Around Migrations
Date Tue, 29 Apr 2014 23:56:16 GMT
Tyler Hobbs created CASSANDRA-7113:
--------------------------------------

             Summary: Unhandled ClassCastException Around Migrations
                 Key: CASSANDRA-7113
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-7113
             Project: Cassandra
          Issue Type: Bug
          Components: Core
            Reporter: Tyler Hobbs


I'm having trouble reproducing this, but a run of the pycassa integration tests against the
latest 2.1 left this in the logs:

{noformat}
INFO  [MigrationStage:1] 2014-04-29 18:42:22,088 DefsTables.java:388 - Loading org.apache.cassandra.config.CFMetaData@52f225c1[cfId=e8c08650-cff7-11e3-8109-6b09a6cc3d5a,ksName=PycassaTestKeyspace,cfName=SingleComposite,cfType=Standard,comparator=org.apache.cassandra.db.marshal.CompositeType(org.apache.cassandra.db.marshal.IntegerType),comment=,readRepairChance=0.1,dclocalReadRepairChance=0.0,gcGraceSeconds=864000,defaultValidator=org.apache.cassandra.db.marshal.BytesType,keyValidator=org.apache.cassandra.db.marshal.BytesType,minCompactionThreshold=4,maxCompactionThreshold=32,columnMetadata={java.nio.HeapByteBuffer[pos=0
lim=3 cap=3]=ColumnDefinition{name=key, type=org.apache.cassandra.db.marshal.BytesType, kind=PARTITION_KEY,
componentIndex=null, indexName=null, indexType=null}, java.nio.HeapByteBuffer[pos=0 lim=5
cap=5]=ColumnDefinition{name=value, type=org.apache.cassandra.db.marshal.BytesType, kind=COMPACT_VALUE,
componentIndex=null, indexName=null, indexType=null}, java.nio.HeapByteBuffer[pos=0 lim=7
cap=7]=ColumnDefinition{name=column1, type=org.apache.cassandra.db.marshal.IntegerType, kind=CLUSTERING_COLUMN,
componentIndex=0, indexName=null, indexType=null}},compactionStrategyClass=class org.apache.cassandra.db.compaction.SizeTieredCompactionStrategy,compactionStrategyOptions={},compressionParameters={sstable_compression=org.apache.cassandra.io.compress.LZ4Compressor},bloomFilterFpChance=<null>,memtableFlushPeriod=0,caching={"keys":"ALL",
"rows_per_partition":"NONE"},defaultTimeToLive=0,minIndexInterval=128,maxIndexInterval=2048,speculativeRetry=NONE,droppedColumns={},triggers={}]
INFO  [MigrationStage:1] 2014-04-29 18:42:22,090 ColumnFamilyStore.java:285 - Initializing
PycassaTestKeyspace.SingleComposite
INFO  [CompactionExecutor:9] 2014-04-29 18:42:22,096 CompactionTask.java:252 - Compacted 4
sstables to [/var/lib/cassandra/data/system/schema_columns-296e9c049bec3085827dc17d3df2122a/system-schema_columns-ka-169,].
 18,036 bytes to 17,507 (~97% of original) in 23ms = 0.725912MB/s.  7 total partitions merged
to 4.  Partition merge counts were {1:3, 4:1, }
ERROR [Thrift:24] 2014-04-29 18:42:22,109 CustomTThreadPoolServer.java:219 - Error occurred
during processing of message.
java.lang.ClassCastException: null
ERROR [Thrift:34] 2014-04-29 18:42:22,130 CustomTThreadPoolServer.java:219 - Error occurred
during processing of message.
java.lang.ClassCastException: null
ERROR [Thrift:25] 2014-04-29 18:42:22,173 CustomTThreadPoolServer.java:219 - Error occurred
during processing of message.
java.lang.ClassCastException: null
ERROR [Thrift:11] 2014-04-29 18:42:22,258 CustomTThreadPoolServer.java:219 - Error occurred
during processing of message.
java.lang.ClassCastException: null
ERROR [Thrift:16] 2014-04-29 18:42:22,422 CustomTThreadPoolServer.java:219 - Error occurred
during processing of message.
java.lang.ClassCastException: null
ERROR [Thrift:26] 2014-04-29 18:42:22,747 CustomTThreadPoolServer.java:219 - Error occurred
during processing of message.
java.lang.ClassCastException: null
INFO  [Thrift:7] 2014-04-29 18:42:22,790 MigrationManager.java:220 - Create new ColumnFamily:
org.apache.cassandra.config.CFMetaData@461a7048[cfId=e9380040-cff7-11e3-8109-6b09a6cc3d5a,ksName=PycassaTestKeyspace,cfName=UUIDComposite,cfType=Standard,comparator=org.apache.cassandra.db.marshal.CompositeType(org.apache.cassandra.db.marshal.ReversedType(org.apache.cassandra.db.marshal.IntegerType),org.apache.cassandra.db.marshal.TimeUUIDType),comment=,readRepairChance=0.1,dclocalReadRepairChance=0.0,gcGraceSeconds=864000,defaultValidator=org.apache.cassandra.db.marshal.UTF8Type,keyValidator=org.apache.cassandra.db.marshal.TimeUUIDType,minCompactionThreshold=4,maxCompactionThreshold=32,columnMetadata={java.nio.HeapByteBuffer[pos=0
lim=3 cap=3]=ColumnDefinition{name=key, type=org.apache.cassandra.db.marshal.TimeUUIDType,
kind=PARTITION_KEY, componentIndex=null, indexName=null, indexType=null}, java.nio.HeapByteBuffer[pos=0
lim=7 cap=7]=ColumnDefinition{name=column2, type=org.apache.cassandra.db.marshal.TimeUUIDType,
kind=CLUSTERING_COLUMN, componentIndex=1, indexName=null, indexType=null}, java.nio.HeapByteBuffer[pos=0
lim=5 cap=5]=ColumnDefinition{name=value, type=org.apache.cassandra.db.marshal.UTF8Type, kind=COMPACT_VALUE,
componentIndex=null, indexName=null, indexType=null}, java.nio.HeapByteBuffer[pos=0 lim=7
cap=7]=ColumnDefinition{name=column1, type=org.apache.cassandra.db.marshal.ReversedType(org.apache.cassandra.db.marshal.IntegerType),
kind=CLUSTERING_COLUMN, componentIndex=0, indexName=null, indexType=null}},compactionStrategyClass=class
org.apache.cassandra.db.compaction.SizeTieredCompactionStrategy,compactionStrategyOptions={},compressionParameters={sstable_compression=org.apache.cassandra.io.compress.LZ4Compressor},bloomFilterFpChance=<null>,memtableFlushPeriod=0,caching={"keys":"ALL",
"rows_per_partition":"NONE"},defaultTimeToLive=0,minIndexInterval=128,maxIndexInterval=2048,speculativeRetry=NONE,droppedColumns={},triggers={}]
INFO  [MigrationStage:1] 2014-04-29 18:42:22,794 ColumnFamilyStore.java:857 - Enqueuing flush
of schema_keyspaces: 510 (0%) on-heap, 0 (0%) off-heap
{noformat}

I'm not sure exactly where the errors happened, but it probably had something to do with the
schema migration.  We need to fix the error logging here as well as fix whatever the original
cause is.



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