[jira] [Created] (ZOOKEEPER-2532) zkCli throwing nullpointerException instead it should provide help when invalid input is entered

["Rakesh Kumar Singh (JIRA)" <ji...@apache.org>]

Rakesh Kumar Singh created ZOOKEEPER-2532:
---------------------------------------------

             Summary: zkCli throwing nullpointerException instead it should provide help when invalid input is entered
                 Key: ZOOKEEPER-2532
                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-2532
             Project: ZooKeeper
          Issue Type: Bug
          Components: java client
    Affects Versions: 3.5.1
            Reporter: Rakesh Kumar Singh
            Priority: Minor


1. a) Connect to zookeeper using zkCli
 b) just input space and then hit enter

2. a) Connect to zookeeper using zkCli and hit enter it will come as connected 
 b) just input space and then hit enter

Console log is as below:-
[zk: localhost:2181(CONNECTING) 0] 2016-08-25 16:54:48,143 [myid:] - INFO  [main-SendThread(localhost:2181):ClientCnxnSocketNetty$ZKClientPipelineFactory@363] - SSL handler added for channel: null
2016-08-25 16:54:48,175 [myid:] - INFO  [main-SendThread(localhost:2181):ClientCnxn$SendThread@980] - Socket connection established, initiating session, client: /0:0:0:0:0:0:0:1:44592, server: localhost/0:0:0:0:0:0:0:1:2181
2016-08-25 16:54:48,178 [myid:] - INFO  [main-SendThread(localhost:2181):ClientCnxnSocketNetty$1@146] - channel is connected: [id: 0xd03f4226, /0:0:0:0:0:0:0:1:44592 => localhost/0:0:0:0:0:0:0:1:2181]
2016-08-25 16:54:48,288 [myid:] - INFO  [New I/O worker #1:ClientCnxn$SendThread@1400] - Session establishment complete on server localhost/0:0:0:0:0:0:0:1:2181, sessionid = 0x101a00305cc0005, negotiated timeout = 30000

WATCHER::

WatchedEvent state:SyncConnected type:None path:null
   
Exception in thread "main" java.lang.NullPointerException
	at org.apache.zookeeper.ZooKeeperMain$MyCommandOptions.getArgArray(ZooKeeperMain.java:171)
	at org.apache.zookeeper.ZooKeeperMain.processZKCmd(ZooKeeperMain.java:613)
	at org.apache.zookeeper.ZooKeeperMain.processCmd(ZooKeeperMain.java:577)
	at org.apache.zookeeper.ZooKeeperMain.executeLine(ZooKeeperMain.java:360)
	at org.apache.zookeeper.ZooKeeperMain.run(ZooKeeperMain.java:320)
	at org.apache.zookeeper.ZooKeeperMain.main(ZooKeeperMain.java:280)



----------------------------------------
After connection is established, input space and hit enter


[zk: localhost:2181(CONNECTING) 0] 2016-08-25 16:56:22,445 [myid:] - INFO  [main-SendThread(localhost:2181):ClientCnxnSocketNetty$ZKClientPipelineFactory@363] - SSL handler added for channel: null
2016-08-25 16:56:22,481 [myid:] - INFO  [main-SendThread(localhost:2181):ClientCnxn$SendThread@980] - Socket connection established, initiating session, client: /0:0:0:0:0:0:0:1:44594, server: localhost/0:0:0:0:0:0:0:1:2181
2016-08-25 16:56:22,484 [myid:] - INFO  [main-SendThread(localhost:2181):ClientCnxnSocketNetty$1@146] - channel is connected: [id: 0xe6d3a461, /0:0:0:0:0:0:0:1:44594 => localhost/0:0:0:0:0:0:0:1:2181]
2016-08-25 16:56:22,597 [myid:] - INFO  [New I/O worker #1:ClientCnxn$SendThread@1400] - Session establishment complete on server localhost/0:0:0:0:0:0:0:1:2181, sessionid = 0x101a00305cc0007, negotiated timeout = 30000

WATCHER::

WatchedEvent state:SyncConnected type:None path:null

[zk: localhost:2181(CONNECTED) 0]  
Exception in thread "main" java.lang.NullPointerException
	at org.apache.zookeeper.ZooKeeperMain$MyCommandOptions.getArgArray(ZooKeeperMain.java:171)
	at org.apache.zookeeper.ZooKeeperMain.processZKCmd(ZooKeeperMain.java:613)
	at org.apache.zookeeper.ZooKeeperMain.processCmd(ZooKeeperMain.java:577)
	at org.apache.zookeeper.ZooKeeperMain.executeLine(ZooKeeperMain.java:360)
	at org.apache.zookeeper.ZooKeeperMain.run(ZooKeeperMain.java:320)
	at org.apache.zookeeper.ZooKeeperMain.main(ZooKeeperMain.java:280)



--
This message was sent by Atlassian JIRA
(v6.3.4#6332)