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https://issues.apache.org/jira/browse/ZOOKEEPER-2804?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16044549#comment-16044549
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Flavio Junqueira commented on ZOOKEEPER-2804:
---------------------------------------------
Good catch [~Bhupendra]! Do you want to submit a patch?
> 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 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}
> Below APIs have problem.
> {code}
> public void create(final String path, byte data[], List<ACL> acl,
> CreateMode createMode, StringCallback cb, Object ctx)
> public void create(final String path, byte data[], List<ACL> acl,
> CreateMode createMode, Create2Callback cb, Object ctx)
> {code}
> Solution:
> a) Need to handle NULL ACLs in removeDuplicates method in server.
> b) Also add the client side validation for null / empty ACL for above API
> similar to other create API
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