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From "T Jake Luciani (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (CASSANDRA-7113) Unhandled ClassCastException Around Migrations
Date Mon, 10 Nov 2014 16:08:05 GMT

     [ https://issues.apache.org/jira/browse/CASSANDRA-7113?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

T Jake Luciani updated CASSANDRA-7113:
--------------------------------------
    Fix Version/s:     (was: 2.1.2)
                   2.1.3

> 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
>             Fix For: 2.1.3
>
>
> 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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