[8u40] Request for approval: 8059269: FileHandler may throw NPE if pattern is a simple name and the lock file already exists

[Daniel Fuchs]

Hi,

This is a request for approval to backport a fix for
a regression that was introduced in 8u40 by JDK-8048020.
It is a clean import (after unshuffle)

JBS: https://bugs.openjdk.java.net/browse/JDK-8059269
JDK 9 changeset: http://hg.openjdk.java.net/jdk9/dev/jdk/rev/3289ca2569ca
Review Thread: 
http://mail.openjdk.java.net/pipermail/core-libs-dev/2014-September/028918.html


best regards,

-- daniel