RFR: 8273401: Disable JarIndex support in URLClassPath [v2]

wxiang github.com+53162078+shiyuexw at openjdk.java.net
Thu Sep 16 01:32:48 UTC 2021

On Thu, 16 Sep 2021 01:29:12 GMT, wxiang <github.com+53162078+shiyuexw at openjdk.org> wrote:

>> There is a bug for URLClassPath.findResources with JarIndex.
>> Currently, there was agreement on dropping the support from the URLClassLoader implementation but it was suggested that it should be disabled for a release or two before the code is removed. 
>> A system property can be used to re-enable JarIndex support in URLClassPath.
>> The PR includes:
>> Disable JarIndex support in URLClassPath by default.
>> Add system property jdk.net.URLClassPath.enableJarIndex to re-enable JarIndex support.
> wxiang has updated the pull request incrementally with one additional commit since the last revision:
>   add isEmpty check

I have changed 

ENABLE_JAR_INDEX = p != null ? p.equals("true") : false;


ENABLE_JAR_INDEX = p != null ? p.equals("true") || p.isEmpty() : false;

Furthemore,  in order to maintain consistency in URLClassPath, the property name is "jdk.net.URLClassPath.enableJarIndex" .


PR: https://git.openjdk.java.net/jdk/pull/5524

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