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Posted to issues@ignite.apache.org by "Andrey Gura (JIRA)" <ji...@apache.org> on 2018/04/05 12:48:00 UTC
[jira] [Assigned] (IGNITE-8146) IgniteUtils classLoaderUrls() JDK9
bug
[ https://issues.apache.org/jira/browse/IGNITE-8146?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Andrey Gura reassigned IGNITE-8146:
-----------------------------------
Assignee: Andrey Gura
> 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: Andrey Gura
> 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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