[KARAF-3500] NPE throws when executing "bin/client shutdown"

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 2.4.2, 3.0.4, 4.0.0.M2, 4.0.0.M3
• Assignee: Freeman Yue Fang
• Reporter: Freeman Yue Fang
• Created: 05/Feb/15 03:57
• Updated: 05/Feb/15 05:30
• Resolved: 05/Feb/15 05:30

Description

when use bin/client shutdown we get NPE in log

13:25:41,548 | INFO  | pool-16-thread-2 | ShellCommandFactory              | 49 - org.apache.karaf.shell.ssh - 2.3.0| Exception caught while executing command

java.lang.NullPointerException

	at org.apache.karaf.shell.osgi.Shutdown.doExecute(Shutdown.java:83)

	at org.apache.karaf.shell.console.OsgiCommandSupport.execute(OsgiCommandSupport.java:39)

	at org.apache.felix.gogo.commands.basic.AbstractCommand.execute(AbstractCommand.java:35)

and get

Error executing command: java.lang.NullPointerException

from client
Too avoid the NPE, we should return some meaningful prompt message