RFR JDK-8193802: NullPointerException from JarFileSystem.getVersionMap()

Xueming Shen xueming.shen at oracle.com
Wed Jan 31 19:54:02 UTC 2018


Please help review the change for JDK-8193802.

Issue: https://bugs.openjdk.java.net/browse/JDK-8193802
Webrev: http://cr.openjdk.java.net/~sherman/8193802/webrev

To add a "null" check when building mr lookup tables. The use scenario 
here is
that the jar file and the jarfs env are configured to a mr jarfs, but 
the jar file itself
actually does not have the corresponding directory "meta-inf/versions".


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