While inserting into a 3 node cluster, one of the nodes got this exception in its log:
ERROR [MIGRATION-STAGE:1] 2010-08-16 17:46:24,090 CassandraDaemon.java (line 82) Uncaught exception in thread Thread[MIGRATION-STAGE:1,5,main] java.util.concurrent.ExecutionException: java.lang.IllegalArgumentException: value already present: 1017 at java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:252) at java.util.concurrent.FutureTask.get(FutureTask.java:111) at org.apache.cassandra.concurrent.DebuggableThreadPoolExecutor.afterExecute(DebuggableThreadPoolExecutor.java:87) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1118) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603) at java.lang.Thread.run(Thread.java:636) Caused by: java.lang.IllegalArgumentException: value already present: 1017 at com.google.common.base.Preconditions.checkArgument(Preconditions.java:115) at com.google.common.collect.AbstractBiMap.putInBothMaps(AbstractBiMap.java:109) at com.google.common.collect.AbstractBiMap.put(AbstractBiMap.java:94) at com.google.common.collect.HashBiMap.put(HashBiMap.java:83) at org.apache.cassandra.config.CFMetaData.map(CFMetaData.java:170) at org.apache.cassandra.db.migration.AddColumnFamily.applyModels(AddColumnFamily.java:78) at org.apache.cassandra.db.migration.Migration.apply(Migration.java:157) at org.apache.cassandra.thrift.CassandraServer$2.call(CassandraServer.java:729) at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334) at java.util.concurrent.FutureTask.run(FutureTask.java:166) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110) ... 2 more What does it mean? Is it something I should open a JIRA for? -Arya