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https://issues.apache.org/jira/browse/ZOOKEEPER-2467?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15554209#comment-15554209
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Rakesh Kumar Singh commented on ZOOKEEPER-2467:
-----------------------------------------------
[~rakeshr] i have covered 3 suggestions mentioned by Flavio Junqueira but i
feel 4th point is not valid. As redo command is not any specific (separate)
command but calling other commands and hence it calls the corresponding exec()
implementation and we may not be able to define any sepefic exec()
implementation for redo command.
> NullPointerException when redo Command is passed negative value
> ---------------------------------------------------------------
>
> Key: ZOOKEEPER-2467
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-2467
> Project: ZooKeeper
> Issue Type: Bug
> Components: java client
> Affects Versions: 3.4.8, 3.5.2
> Environment: Linux , windows
> Reporter: Joshi Shankar
> Assignee: Rakesh Kumar Singh
> Priority: Minor
> Fix For: 3.4.10, 3.5.3
>
> Attachments: ZOOKEEPER-2467-1.patch, ZOOKEEPER-2467-final.patch,
> ZOOKEEPER-2467.patch, ZOOKEEPER-2467.patch, ZOOKEEPER-2467.patch
>
>
> When negative value of argument is passed to redo command .
> [zk: localhost:2181(CONNECTED) 0] redo -1
> Exception in thread "main" java.lang.NullPointerException
> at java.util.StringTokenizer.<init>(Unknown Source)
> at java.util.StringTokenizer.<init>(Unknown Source)
> at
> org.apache.zookeeper.ZooKeeperMain$MyCommandOptions.parseCommand(ZooKeeperMain.java:227)
> at
> org.apache.zookeeper.ZooKeeperMain.processZKCmd(ZooKeeperMain.java:645)
> at
> org.apache.zookeeper.ZooKeeperMain.processCmd(ZooKeeperMain.java:588)
> at
> org.apache.zookeeper.ZooKeeperMain.executeLine(ZooKeeperMain.java:360)
> at org.apache.zookeeper.ZooKeeperMain.run(ZooKeeperMain.java:323)
> at org.apache.zookeeper.ZooKeeperMain.main(ZooKeeperMain.java:282)
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