https://issues.apache.org/bugzilla/show_bug.cgi?id=53606
--- Comment #3 from Sebb <s...@apache.org> ---
(In reply to comment #2)
> I used this solution:
>
> protected void sendPing() {
> TcpFailureDetector tcpFailureDetector = failureDetector!=null ?
> failureDetector.get() : null;
> if (tcpFailureDetector!=null) {
That's nice; and better than v2 as it also protects against another possible
NPE, i.e.:
failureDetector.get() can return null (it's a WeakReference, so get() can
return null at any time).
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