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https://issues.apache.org/jira/browse/NIFI-8394?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17316595#comment-17316595
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ASF subversion and git services commented on NIFI-8394:
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Commit 77a73a603b9cb27bda31118c44b13dda2489526c in nifi's branch
refs/heads/main from Mohammed Nadeem
[ https://gitbox.apache.org/repos/asf?p=nifi.git;h=77a73a6 ]
NIFI-8394 Fix NPE error when NiFi connects to external zookeeper insecurely
This closes #4974
Signed-off-by: Joey Frazee <jfra...@apache.org>
> Fix NPE error when NiFi connects to external zookeeper insecurely
> -----------------------------------------------------------------
>
> Key: NIFI-8394
> URL: https://issues.apache.org/jira/browse/NIFI-8394
> Project: Apache NiFi
> Issue Type: Bug
> Components: Core Framework
> Affects Versions: 1.13.0, 1.13.1, 1.13.2
> Reporter: Nadeem
> Assignee: Nadeem
> Priority: Major
> Labels: zookeeper
> Time Spent: 40m
> Remaining Estimate: 0h
>
> When NiFi connects to external zookeeper insecurely, then following error is
> logged due to null watcher passed in zookeeper constructor. This error is
> introduced due to changes made for adding zookeeper client with TLS NIFI-7819
> {noformat}
> ERROR [Framework Task Thread Thread-3-EventThread]
> org.apache.zookeeper.ClientCnxn Error while calling watcher
> java.lang.NullPointerException: null
> at
> org.apache.zookeeper.ClientCnxn$EventThread.processEvent(ClientCnxn.java:535)
> at
> org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:510)
> {noformat}
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