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https://issues.apache.org/jira/browse/WICKET-7072?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17769027#comment-17769027
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Martin Tzvetanov Grigorov commented on WICKET-7072:
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{quote}I could do these fixes today in 
gluser1357:WICKET-7072-wicket-tester-and-core-tests, or do you want to continue?
{quote}
I was hoping for some more feedback from more people.

As I said before - there is no much interest in JPMS in the community... No one 
said anything at 
[https://lists.apache.org/thread/rkmcf1tk51sw8vkfy7hpm7gmhj3h9c62] and 
[https://lists.apache.org/list.html?d...@wicket.apache.org]

The PR already touches 2400 files (mostly moved tests from one module to 
another) and adding more changes in the same branch will make it even harder to 
review.

 
{quote}Eclipse support the "normal" way of doing quite well but has, for 
example, serious problems with a) test-jar dependencies and b) JUnit-related 
code in /src/main/java
{quote}
I don't know whether you know that but Eclipse is based on OSGi. It is 
understandable that it does not (want to) support JPMS well.

 
{quote}Eclipse does not support test-jar dependencies
{quote}
test-jar is a Maven thing.

Gradle supports it via "classifier:tests".

Intellij IDEA supports both without issues!

Eclipse does not!

I think it is an Eclipse issue. No need to change all of the above because 
Eclipse is lacking behind.

> JUnit code in /src/main/java breaks JPMS support in Eclipse IDE
> ---------------------------------------------------------------
>
>                 Key: WICKET-7072
>                 URL: https://issues.apache.org/jira/browse/WICKET-7072
>             Project: Wicket
>          Issue Type: Bug
>          Components: wicket-core
>    Affects Versions: 10.0.0-M1
>            Reporter: Sam Peters
>            Priority: Major
>
> In Wicket 10, the wicket-core and wicket-util jars contain JUnit-related 
> code, see class list below.
> The problem:
>  * When creating a new modular (JPMS) maven project by adding __ just 
> _org.apache.wicket.commons.fileupload_ ({_}not containing{_} JUnit code) in 
> {_}module-info{_}, projects run fine in Eclipse IDE (2023-06). I supplied a 
> quickstarter at 
> [https://github.com/gluser1357/jerseyissues/tree/main-without-junit-code], 
> see readme.txt.
>  * In contrast, when creating a new modular project by adding 
> {_}org.apache.wicket.util{_}" ({_}containing{_} JUnit code), Eclipse fails in 
> different ways, see wicket quickstarter at 
> [https://github.com/gluser1357/jerseyissues/tree/main-with-junit-code-error], 
> see readme.txt.
>  ** If JUnit is kept with usual _<scope>test<scope>_ (pom.xml) and not added 
> via _requires org.junit.jupiter.api_ in module-info.java, one of the 
> following errors occur when running code (see readme.txt for more details):
>  *** _java.lang.module.FindException: Module org.junit.jupiter.api not found, 
> required by org.apache.wicket.util_
>  *** _java.lang.Error: Unresolved compilation problem: "The type 
> org.junit.jupiter.api.Test is not accessible"_
>  *** _java.lang.IllegalAccessError: class 
> org.junit.platform.launcher.core.ServiceLoaderRegistry (in unnamed module 
> @0x5f341870) cannot access class 
> org.junit.platform.commons.logging.LoggerFactory (in module 
> org.junit.platform.commons) because module org.junit.platform.commons does 
> not export org.junit.platform.commons.logging to unnamed module @0x5f341870_  
>  
>  ** After correcting the missing module and dependency by removing 
> _<scope>test<scope>_ (pom.xml) and adding a _requires org.junit.jupiter.api_ 
> in module-info.java (which is, as far as I know, actually untypical), own 
> code in _/src/test/java_ and _/src/main/java_ runs now, but own JUnit tests 
> can still not be executed via "Run As JUnit Test" in Eclipse because of
>  *** _java.lang.IllegalAccessError: class 
> org.junit.platform.launcher.core.ServiceLoaderRegistry (in unnamed module 
> @0x5f341870) cannot access class 
> org.junit.platform.commons.logging.LoggerFactory (in module 
> org.junit.platform.commons) because module org.junit.platform.commons does 
> not export org.junit.platform.commons.logging to unnamed module @0x5f341870_  
>  
> In my opinion, the JUnit-related code below shouldn't be contained in 
> _/src/main/java_ which is a) quite untypical and b) results in problems of 
> common IDEs like Eclipse.
> *Would it be possible to*
>  * *move the related Wicket classes (see list below) out of 
> {_}/src/main/java{_}, e. g. to _/src/test/java_ and*
>  * *remove _requires org.junit.jupiter.api_ from both module-info?*
> This would avoid these problems in Eclipse IDE for JPMS-based projects that 
> want to integrate Wicket.
> =====
> The relevant classes are:
>  * in wicket-util:
>  ** 
> [https://github.com/apache/wicket/blob/rel/wicket-10.0.0-M1/wicket-util/src/main/java/org/apache/wicket/util/license/ApacheLicenseHeaderTestCase.java]
>  ** 
> [https://github.com/apache/wicket/blob/rel/wicket-10.0.0-M1/wicket-util/src/main/java/org/apache/wicket/util/markup/xhtml/WellFormedXmlTestCase.java]
>  * in wicket-core:
>  ** 
> [https://github.com/apache/wicket/blob/rel/wicket-10.0.0-M1/wicket-core/src/main/java/org/apache/wicket/util/tester/BaseWicketTester.java]
>  ** 
> [https://github.com/apache/wicket/blob/rel/wicket-10.0.0-M1/wicket-core/src/main/java/org/apache/wicket/util/tester/DiffUtil.java]
>  ** 
> [https://github.com/apache/wicket/blob/rel/wicket-10.0.0-M1/wicket-core/src/main/java/org/apache/wicket/util/tester/FormTester.java]
>  ** 
> [https://github.com/apache/wicket/blob/rel/wicket-10.0.0-M1/wicket-core/src/main/java/org/apache/wicket/util/tester/WicketTestCase.java]
>  ** 
> [https://github.com/apache/wicket/blob/rel/wicket-10.0.0-M1/wicket-core/src/main/java/org/apache/wicket/util/tester/WicketTester.java]
>  ** 
> [https://github.com/apache/wicket/blob/rel/wicket-10.0.0-M1/wicket-core/src/main/java/org/apache/wicket/util/tester/WicketTesterExtension.java]
>  ** 
> [https://github.com/apache/wicket/blob/rel/wicket-10.0.0-M1/wicket-core/src/main/java/org/apache/wicket/util/tester/WicketTesterHelper.java]
>  



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