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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (ZOOKEEPER-2804) Node creation fails with NPE if ACLs are null
Date Tue, 13 Jun 2017 12:13:00 GMT

    [ https://issues.apache.org/jira/browse/ZOOKEEPER-2804?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16047783#comment-16047783
] 

ASF GitHub Bot commented on ZOOKEEPER-2804:
-------------------------------------------

Github user jainbhupendra24 commented on a diff in the pull request:

    https://github.com/apache/zookeeper/pull/279#discussion_r121657958
  
    --- Diff: src/java/main/org/apache/zookeeper/ZooKeeper.java ---
    @@ -1436,7 +1436,7 @@ public String create(final String path, byte data[], List<ACL>
acl,
             request.setData(data);
             request.setFlags(createMode.toFlag());
             request.setPath(serverPath);
    -        if (acl != null && acl.size() == 0) {
    +        if (acl == null || acl.size() == 0) {
    --- End diff --
    
    This client side nulll check is better to add. I will add


> Node creation fails with NPE if ACLs are null
> ---------------------------------------------
>
>                 Key: ZOOKEEPER-2804
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-2804
>             Project: ZooKeeper
>          Issue Type: Bug
>            Reporter: Bhupendra Kumar Jain
>
> If null ACLs are passed then zk node creation or set ACL fails with NPE
> {code}
> java.lang.NullPointerException
> 	at org.apache.zookeeper.server.PrepRequestProcessor.removeDuplicates(PrepRequestProcessor.java:1301)
> 	at org.apache.zookeeper.server.PrepRequestProcessor.fixupACL(PrepRequestProcessor.java:1341)
> 	at org.apache.zookeeper.server.PrepRequestProcessor.pRequest2Txn(PrepRequestProcessor.java:519)
> 	at org.apache.zookeeper.server.PrepRequestProcessor.pRequest(PrepRequestProcessor.java:1126)
> 	at org.apache.zookeeper.server.PrepRequestProcessor.run(PrepRequestProcessor.java:178)
> {code}
> Expected to handle null in server and return proper error code to client



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