[jira] [Updated] (ZOOKEEPER-3992) addWatch api should check the null watch

["Mohammad Arshad (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/ZOOKEEPER-3992?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mohammad Arshad updated ZOOKEEPER-3992:
---------------------------------------
    Fix Version/s: 3.8.0
                   3.6.3

> addWatch api should check the null watch
> ----------------------------------------
>
>                 Key: ZOOKEEPER-3992
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-3992
>             Project: ZooKeeper
>          Issue Type: Bug
>          Components: java client
>            Reporter: Ling Mao
>            Assignee: Damien Diederen
>            Priority: Minor
>              Labels: pull-request-available
>             Fix For: 3.6.3, 3.7.0, 3.8.0
>
>          Time Spent: 2h 10m
>  Remaining Estimate: 0h
>
> {code:java}
> public void addWatch(String basePath, Watcher watcher, AddWatchMode mode)
>         throws KeeperException, InterruptedException {
>     PathUtils.validatePath(basePath);
>     String serverPath = prependChroot(basePath);
>     RequestHeader h = new RequestHeader();
>     h.setType(ZooDefs.OpCode.addWatch);
>     AddWatchRequest request = new AddWatchRequest(serverPath, mode.getMode());
>     ReplyHeader r = cnxn.submitRequest(h, request, new ErrorResponse(),
>     
> {code}
> we need to _*validateWatcher(watcher)*_ to ** avoid the case:
> {code:java}
> zk.addWatch("/a/b", null, PERSISTENT_RECURSIVE);
> {code}



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