Column family creation exception...

cas_exception

va.lang.RuntimeException: java.nio.charset.MalformedInputException: Input length = 1
	at org.apache.cassandra.cql3.ColumnIdentifier.<init>(ColumnIdentifier.java:50)
	at org.apache.cassandra.cql3.CFDefinition.getKeyId(CFDefinition.java:125)
	at org.apache.cassandra.cql3.CFDefinition.<init>(CFDefinition.java:59)
	at org.apache.cassandra.config.CFMetaData.updateCfDef(CFMetaData.java:1278)
	at org.apache.cassandra.config.CFMetaData.keyAlias(CFMetaData.java:221)
	at org.apache.cassandra.config.CFMetaData.fromSchemaNoColumns(CFMetaData.java:1162)
	at org.apache.cassandra.config.CFMetaData.fromSchema(CFMetaData.java:1190)
	at org.apache.cassandra.config.KSMetaData.deserializeColumnFamilies(KSMetaData.java:291)
	at org.apache.cassandra.db.DefsTable.mergeColumnFamilies(DefsTable.java:395)
	at org.apache.cassandra.db.DefsTable.mergeSchema(DefsTable.java:270)
	at org.apache.cassandra.db.DefsTable.mergeRemoteSchema(DefsTable.java:248)
	at org.apache.cassandra.db.DefinitionsUpdateVerbHandler$1.runMayThrow(DefinitionsUpdateVerbHandler.java:48)
	at org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:30)
	at java.util.concurrent.Executors$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.nio.charset.MalformedInputException: Input length = 1
	at java.nio.charset.CoderResult.throwException(CoderResult.java:260)
	at java.nio.charset.CharsetDecoder.decode(CharsetDecoder.java:781)
	at org.apache.cassandra.utils.ByteBufferUtil.string(ByteBufferUtil.java:163)
	at org.apache.cassandra.utils.ByteBufferUtil.string(ByteBufferUtil.java:120)
	at org.apache.cassandra.cql3.ColumnIdentifier.<init>(ColumnIdentifier.java:46)
	... 18 more

gistfile1.txt

following cli based statements executed on one of the cluster nodes:

create keyspace Keyspace1 with strategy_options = {datacenter1 : 2};
create column family Standard1 with compaction_strategy = LeveledCompactionStrategy;