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From "Andrey Gura (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (IGNITE-6745) Java 9: rework usages of URLClassLoader.getURLs()
Date Thu, 28 Dec 2017 13:19:00 GMT

    [ https://issues.apache.org/jira/browse/IGNITE-6745?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16305440#comment-16305440
] 

Andrey Gura commented on IGNITE-6745:
-------------------------------------

This issue is critical for release 2.4. So I've implemented and tested fix.
Merged to master branch.

> Java 9: rework usages of URLClassLoader.getURLs()
> -------------------------------------------------
>
>                 Key: IGNITE-6745
>                 URL: https://issues.apache.org/jira/browse/IGNITE-6745
>             Project: Ignite
>          Issue Type: Task
>          Components: general
>    Affects Versions: 2.3
>            Reporter: Vladimir Ozerov
>            Assignee: Cergey Chaulin
>             Fix For: 2.4
>
>         Attachments: IGNITE-6745.patch
>
>
> We use this method in multiple places:
> 1) {{MessageCodeGenerator}}
> 2) {{BinaryContext}}
> 3) {{ClassesGenerator}}
> 4) {{GridUriDeploymentFileProcessor}}
> The problem is that in Java 9 application class loader is not {{URLClassLoader}}, so
we cannot get URLs easily. Instead typically it is {{BuiltinClassLoader}}, which refers to
{{URLClassLoader}} in it's internal field {{ucp}}.
> Let's refactor all usages of {{URLClassLoader.getURLs}} to some utility method, which
will be able to handle both Java 7/8 and Java 9 (through reflection).



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