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https://issues.apache.org/jira/browse/ZOOKEEPER-2532?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15493321#comment-15493321
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Rakesh Kumar Singh commented on ZOOKEEPER-2532:
-----------------------------------------------
Still QA being not triggered..
> 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, 3.5.2
> Reporter: Rakesh Kumar Singh
> Assignee: Rakesh Kumar Singh
> Priority: Minor
> Fix For: 3.5.3, 3.6.0
>
> Attachments: ZOOKEEPER-2532.patch
>
>
> 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)
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