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https://issues.apache.org/jira/browse/ZOOKEEPER-3662?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated ZOOKEEPER-3662:
--------------------------------------
Labels: pull-request-available (was: )
> Remove NPE Possibility in Follower Class
> ----------------------------------------
>
> Key: ZOOKEEPER-3662
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-3662
> Project: ZooKeeper
> Issue Type: Improvement
> Reporter: David Mollitor
> Assignee: David Mollitor
> Priority: Minor
> Labels: pull-request-available
>
> {code:java|title=Follower.java}
> public long getZxid() {
> try {
> synchronized (fzk) {
> return fzk.getZxid();
> }
> } catch (NullPointerException e) {
> LOG.warn("error getting zxid", e);
> }
> return -1;
> }
> {code}
> I traced the code and there is no reason to catch a NPE here. Add additional
> restrictions to make sure NPE will never happen.
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