David Mollitor created ZOOKEEPER-3662:
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Summary: 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
{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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