Details
-
Bug
-
Status: Closed
-
Major
-
Resolution: Fixed
-
None
-
None
-
None
Description
Proper Error message should be displayed , incase of passing invalid argument to KnoxCli , instead of throwing NPE.
# ./knoxcli.sh --cluster clusterName1
java.lang.NullPointerException
at org.apache.hadoop.gateway.util.KnoxCLI.run(KnoxCLI.java:92)
at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
at org.apache.hadoop.gateway.util.KnoxCLI.main(KnoxCLI.java:669)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at org.apache.hadoop.gateway.launcher.Invoker.invokeMainMethod(Invoker.java:70)
at org.apache.hadoop.gateway.launcher.Invoker.invoke(Invoker.java:39)
at org.apache.hadoop.gateway.launcher.Command.run(Command.java:101)
at org.apache.hadoop.gateway.launcher.Launcher.run(Launcher.java:69)
at org.apache.hadoop.gateway.launcher.Launcher.main(Launcher.java:46)