Yes. Removing the dependencies section leads to the CNFE coming back, also on Tycho 2.0. 
  
Mit freundlichen Grüßen / Best regards
 
 
Michael Keppler 
 
LTO Release Engineering (ETAS/ESW-CI)  
Tel. +49 711 3423-2429 | Fax +49 711 89661-0 | 
Michael.Keppler@xxxxxxxx  
 
 
 
Von: tycho-user-bounces@xxxxxxxxxxx <tycho-user-bounces@xxxxxxxxxxx>
Im Auftrag von Aleksandar Kurtakov 
Gesendet: Dienstag, 25. August 2020 11:38 
An: Tycho user list <tycho-user@xxxxxxxxxxx> 
Betreff: Re: [tycho-user] JUnit failure (Tycho 1.5 to 1.7) 
  
Is the plugin reproducible with just released Tycho 2.0.0? 
 
  
This worked for us: 
 
 
                                <plugin> 
                                        <groupId>org.eclipse.tycho</groupId> 
                                        <artifactId>tycho-surefire-plugin</artifactId> 
                                        <configuration> 
                                                <dependencies> 
                                                        <!-- avoid CNFE in Surefire when looking for JUnitPlatformProvider --> 
                                                        <dependency> 
                                                                <artifactId>org.junit</artifactId> 
                                                                <type>eclipse-plugin</type> 
                                                        </dependency> 
                                                </dependencies> 
                                        </configuration> 
                                </plugin> 
 
Mit freundlichen Grüßen / Best regards 
 
Michael Keppler 
 
LTO Release Engineering (ETAS/ESW-CI)  
Tel. +49 711 3423-2429 | Fax +49 711 89661-0 | 
Michael.Keppler@xxxxxxxx 
 
 
 
-----Ursprüngliche Nachricht----- 
Von: tycho-user-bounces@xxxxxxxxxxx <tycho-user-bounces@xxxxxxxxxxx> Im Auftrag von Simon Goodall 
Gesendet: Donnerstag, 13. August 2020 10:19 
An: Tycho user list <tycho-user@xxxxxxxxxxx> 
Betreff: [tycho-user] JUnit failure (Tycho 1.5 to 1.7) 
 
I am trying to upgrade to Tycho 1.7.0 from 1.5. However I am stuck on running my unit tests and I am unsure where to go from here as they appear to be tycho/maven related. The two messages that appear to be relevant are; 
 
Could not resolve module: org.eclipse.tycho.surefire.junit55 [196] 
org.apache.maven.surefire.util.SurefireReflectionException: 
java.lang.ClassNotFoundException: 
org.apache.maven.surefire.junitplatform.JUnitPlatformProvider 
 
(full stack traces below) 
 
My application is based on Eclipse 2019-12 with the related Orbit repo 
(R20191126223242) and I am running OpenJDK 11 with the majority of tests being JUnit 5 based with a few junit4 swtbot cases. Any suggestions appreciated otherwise I will try to reproduce a minimal example. 
 
Thanks 
 
Simon 
 
!ENTRY org.eclipse.tycho.surefire.junit55 2 0 2020-08-10 12:52:39.554 !MESSAGE Could not resolve module: org.eclipse.tycho.surefire.junit55 [196] 
  Unresolved requirement: Import-Package: org.junit.runner; version="[4.12.0,5.0.0)"; resolution:="optional" 
  Unresolved requirement: Import-Package: 
org.junit.runner.manipulation; version="[4.12.0,5.0.0)"; resolution:="optional" 
  Unresolved requirement: Import-Package: 
org.junit.runner.notification; version="[4.12.0,5.0.0)"; resolution:="optional" 
  Unresolved requirement: Import-Package: org.junit.runners.model; version="[4.12.0,5.0.0)"; resolution:="optional" 
  Unresolved requirement: Import-Package: 
org.junit.experimental.categories; version="[4.12.0,5.0.0)"; resolution:="optional" 
  Unresolved requirement: Import-Package: org.junit.internal.builders; version="[4.12.0,5.0.0)"; resolution:="optional" 
  Unresolved requirement: Import-Package: org.junit; version="[4.12.0,5.0.0)"; resolution:="optional" 
  Unresolved requirement: Import-Package: junit.runner 
 
!ENTRY org.eclipse.osgi 4 0 2020-08-10 12:52:39.554 !MESSAGE Application error !STACK 1 
org.apache.maven.surefire.util.SurefireReflectionException: 
java.lang.ClassNotFoundException: 
org.apache.maven.surefire.junitplatform.JUnitPlatformProvider 
        at org.apache.maven.surefire.util.ReflectionUtils.loadClass(ReflectionUtils.java:249) 
        at org.apache.maven.surefire.util.ReflectionUtils.instantiateOneArg(ReflectionUtils.java:133) 
        at org.apache.maven.surefire.booter.SurefireReflector.instantiateProvider(SurefireReflector.java:265) 
        at org.apache.maven.surefire.booter.ProviderFactory.createProvider(ProviderFactory.java:118) 
        at org.apache.maven.surefire.booter.ProviderFactory.invokeProvider(ProviderFactory.java:83) 
        at org.eclipse.tycho.surefire.osgibooter.OsgiSurefireBooter.run(OsgiSurefireBooter.java:113) 
        at org.eclipse.tycho.surefire.osgibooter.HeadlessTestApplication.run(HeadlessTestApplication.java:21) 
        at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native 
Method) 
        at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) 
        at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) 
        at java.base/java.lang.reflect.Method.invoke(Method.java:566) 
        at org.eclipse.equinox.internal.app.EclipseAppContainer.callMethodWithException(EclipseAppContainer.java:593) 
        at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:205) 
        at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:137) 
        at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:107) 
        at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:401) 
        at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:255) 
        at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native 
Method) 
        at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) 
        at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) 
        at java.base/java.lang.reflect.Method.invoke(Method.java:566) 
        at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:657) 
        at org.eclipse.equinox.launcher.Main.basicRun(Main.java:594) 
        at org.eclipse.equinox.launcher.Main.run(Main.java:1465) 
        at org.eclipse.equinox.launcher.Main.main(Main.java:1438) 
Caused by: java.lang.ClassNotFoundException: 
org.apache.maven.surefire.junitplatform.JUnitPlatformProvider 
        at org.eclipse.tycho.surefire.osgibooter.CombinedClassLoader.findClass(CombinedClassLoader.java:37) 
        at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:588) 
        at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:521) 
        at org.apache.maven.surefire.util.ReflectionUtils.loadClass(ReflectionUtils.java:241) 
        ... 24 more 
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