Description
"exec save 'filename'" works, but "exec save" failed because of following error:
2012-03-09 09:52:44,922 [pool-2-thread-1] INFO master.CommandManager: Submitting command: save []
2012-03-09 09:52:44,922 [exec-thread] INFO master.CommandManager: Executing command: save []
2012-03-09 09:52:44,923 [exec-thread] ERROR master.CommandManager: Unexpected exception during cmdid:11 save [] : null
java.lang.IllegalArgumentException
at com.google.common.base.Preconditions.checkArgument(Preconditions.java:72)
at com.cloudera.flume.master.SaveConfigCommand$1.exec(SaveConfigCommand.java:41)
at com.cloudera.flume.master.CommandManager.exec(CommandManager.java:266)
at com.cloudera.flume.master.CommandManager.handleCommand(CommandManager.java:205)
at com.cloudera.flume.master.CommandManager$ExecThread.run(CommandManager.java:236)