This is cassandra 1.1.4
Describe shows DecimalType and I test setting comparator TOOOOO the DecimalType
and it fails (Realize I have never touched this column family until now except
for posting data which succeeded)
[default@unknown] use databus;
Authenticated to keyspace: databus
[default@databus] describe bacnet9800AnalogInput9;
ColumnFamily: bacnet9800AnalogInput9
Key Validation Class: org.apache.cassandra.db.marshal.DecimalType
Default column value validator: org.apache.cassandra.db.marshal.BytesType
Columns sorted by: org.apache.cassandra.db.marshal.UTF8Type
GC grace seconds: 864000
Compaction min/max thresholds: 4/32
Read repair chance: 0.1
DC Local Read repair chance: 0.0
Replicate on write: true
Caching: KEYS_ONLY
Bloom Filter FP chance: default
Built indexes: []
Compaction Strategy:
org.apache.cassandra.db.compaction.SizeTieredCompactionStrategy
Compression Options:
sstable_compression: org.apache.cassandra.io.compress.SnappyCompressor
[default@databus] update column family bacnet9800AnalogInput9 with comparator =
DecimalType;
org.apache.thrift.transport.TTransportException
[default@databus]
Exception from system.log from the node in the cluster is
ERROR [MigrationStage:1] 2012-09-25 14:11:20,327 AbstractCassandraDaemon.java
(line 134) Exception in thread Thread[MigrationStage:1,5,main]
java.lang.RuntimeException: java.io.IOException:
org.apache.cassandra.config.ConfigurationException: comparators do not match or
are not compatible.
at org.apache.cassandra.utils.FBUtilities.unchecked(FBUtilities.java:628)
at org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:34)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
at java.util.concurrent.FutureTask.run(FutureTask.java:138)
at
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:662)
Caused by: java.io.IOException:
org.apache.cassandra.config.ConfigurationException: comparators do not match or
are not compatible.
at org.apache.cassandra.config.CFMetaData.reload(CFMetaData.java:676)
at org.apache.cassandra.db.DefsTable.updateColumnFamily(DefsTable.java:463)
at org.apache.cassandra.db.DefsTable.mergeColumnFamilies(DefsTable.java:407)
at org.apache.cassandra.db.DefsTable.mergeSchema(DefsTable.java:271)
at org.apache.cassandra.db.DefsTable.mergeRemoteSchema(DefsTable.java:249)
at
org.apache.cassandra.db.DefinitionsUpdateVerbHandler$1.runMayThrow(DefinitionsUpdateVerbHandler.java:48)
at org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:30)
... 6 more
Caused by: org.apache.cassandra.config.ConfigurationException: comparators do
not match or are not compatible.
at org.apache.cassandra.config.CFMetaData.apply(CFMetaData.java:705)
at org.apache.cassandra.config.CFMetaData.reload(CFMetaData.java:672)
... 12 more
