Tyler Hobbs created CASSANDRA-7113:
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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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