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https://issues.apache.org/jira/browse/IGNITE-8146?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16627344#comment-16627344
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ASF GitHub Bot commented on IGNITE-8146:
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GitHub user tledkov-gridgain opened a pull request:
https://github.com/apache/ignite/pull/4826
IGNITE-8146: JDK9: fix gathering class loader's URLs
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/gridgain/apache-ignite ignite-8146
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/ignite/pull/4826.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #4826
----
commit 8424d7c66972985dbfea57943c97bc77b4d12f30
Author: tledkov-gridgain <tledkov@...>
Date: 2018-09-25T13:10:17Z
IGNITE-8146: JDK9: fix gathering class loader's URLs
----
> JDK9: IgniteUtils classLoaderUrls() JDK9 bug
> --------------------------------------------
>
> Key: IGNITE-8146
> URL: https://issues.apache.org/jira/browse/IGNITE-8146
> Project: Ignite
> Issue Type: Bug
> Components: general
> Affects Versions: 2.4
> Reporter: Sujit Kumar Mahapatra
> Assignee: Taras Ledkov
> Priority: Trivial
> Labels: jdk9
> Original Estimate: 48h
> Remaining Estimate: 48h
>
> Reporting a probable miss that breaks JDK9 compatibility.
> As part of [this
> commit|https://github.com/apache/ignite/commit/ee2a6f7c3f2e3c9bd8dc61c8dbdf171e933d9481#diff-309ab4ef2fc61d6b2570d390acfb9bd6]
> in
> [ignite|https://github.com/apache/ignite/tree/f1a853ded8e835ce8c98c029cce7d5d17fbd3f52]/modules/core/src/main/java/org/apache/ignite/internal/util/*IgniteUtils.java,*
> below lines will throw *ClassCastException* in JDK9 during runtime.
> _return ((URLClassLoader)urlClsLdrField.get(clsLdr)).getURLs();_
>
> Here, _urlClsLdrField.get(clsLdr)_ return an object of type
> "___java.base/jdk.internal.loader.URLClassPath_" which can't be cast to
> "_URLClassLoader"._
>
> The fix seems to be to introduce another reflection call to invoke _getURLs_
> method of the internal _URLClassPath_ class.
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