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https://issues.apache.org/jira/browse/SOLR-9893?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15823084#comment-15823084
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ASF subversion and git services commented on SOLR-9893:
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Commit 6c0ec822a6d83a186c23b0a87c9fc2b0b62c6178 in lucene-solr's branch 
refs/heads/branch_6x from [~thetaphi]
[ https://git-wip-us.apache.org/repos/asf?p=lucene-solr.git;h=6c0ec82 ]

SOLR-9893: For full Java 9 compatibility also update to latest Objenesis 2.5 
(this allows mocking frameworks to instantiate objects without a ctor)


> EasyMock/Mockito no longer works with Java 9 b148+
> --------------------------------------------------
>
>                 Key: SOLR-9893
>                 URL: https://issues.apache.org/jira/browse/SOLR-9893
>             Project: Solr
>          Issue Type: Bug
>      Security Level: Public(Default Security Level. Issues are Public) 
>          Components: Tests
>    Affects Versions: 6.x, master (7.0)
>            Reporter: Uwe Schindler
>            Assignee: Uwe Schindler
>            Priority: Blocker
>         Attachments: SOLR-9893.patch, SOLR-9893.patch
>
>
> EasyMock does not work anymore with latest Java 9, because it uses cglib 
> behind that is trying to access a protected method inside the runtime using 
> setAccessible. This is no longer allowed by Java 9.
> Actually this is really stupid. Instead of forcefully making the protected 
> defineClass method available to the outside, it is much more correct to just 
> subclass ClassLoader (like the Lucene expressions module does).
> I tried updating to easymock/mockito, but all that does not work, approx 25 
> tests fail. The only way is to disable all Mocking tests in Java 9. The 
> underlying issue in cglib is still not solved, master's code is here: 
> https://github.com/cglib/cglib/blob/master/cglib/src/main/java/net/sf/cglib/core/ReflectUtils.java#L44-L62
> As we use an old stone-aged version of mockito (1.x), a fix is not expected 
> to happen, although cglib might fix this!
> What should we do? This stupid issue prevents us from testing Java 9 with 
> Solr completely! 



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