[
https://issues.apache.org/jira/browse/ZOOKEEPER-2804?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16048178#comment-16048178
]
ASF GitHub Bot commented on ZOOKEEPER-2804:
-------------------------------------------
Github user eribeiro commented on a diff in the pull request:
https://github.com/apache/zookeeper/pull/279#discussion_r121751200
--- Diff:
src/java/main/org/apache/zookeeper/server/PrepRequestProcessor.java ---
@@ -915,11 +915,13 @@ protected void pRequest(Request request) throws
RequestProcessorException {
private List<ACL> removeDuplicates(List<ACL> acl) {
ArrayList<ACL> retval = new ArrayList<ACL>();
- Iterator<ACL> it = acl.iterator();
- while (it.hasNext()) {
- ACL a = it.next();
- if (retval.contains(a) == false) {
- retval.add(a);
+ if(acl != null) {
--- End diff --
If we are going to keep the code we can at least modernize it a bit as
below:
```
for (ACL a : acl) {
if (!retval.contains(a)) {
retval.add(a);
}
}
```
> 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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