Eclipse can not find the class build by maven

Asked Jan 20 '17 at 10:42

Active Jan 22 '17 at 16:52

Viewed 374 times

I am using Eclipse Mars for a maven project. The project was imported as a maven project. Maven can build, but when I want to run a JUnit test with Eclipse I have the message :

Class not found

result when I try to launch the test with Eclipse:

java.lang.ClassNotFoundException: Class not found nameOfTheClass
at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.loadClass(RemoteTestRunner.java:685)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.loadClasses(RemoteTestRunner.java:421)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:444)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:675)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:382)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:192)

If I launch the test with Maven, with external tools, part of the answer is :

maven-compiler-plugin:3.5:compile (default-compile) @ NameOfModule --- [INFO]

Nothing to compile - all classes are up to date

So Maven can compile and build...

edited Jan 22 '17 at 16:52

Yurets

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asked Jan 20 '17 at 10:42

Marie Vincent

1

please put exact stack trace you got as error – Jekin Kalariya Jan 20 '17 at 10:43
Please post a trace or the messages that appeared. – Tharaka Devinda Jan 20 '17 at 10:45
try Alt-F5 which will rebuild the maven config, if that does not work try building from command line mvn clean install. See http://stackoverflow.com/questions/41587788/errors-while-importing-maven-project-into-eclipse/41587897#41587897 – Essex Boy Jan 20 '17 at 10:45
I have made a clean compile install with maven. – Marie Vincent Jan 20 '17 at 11:01
I have edited the first message – Marie Vincent Jan 20 '17 at 11:05
@EssexBoy I tried but it did not work. – Marie Vincent Jan 23 '17 at 09:52
Classes are build but eclipse can not find them. – Marie Vincent Jan 23 '17 at 09:52
I would blow the whole project away, make sure you delete the hidden files and directories like .project, and re-import as a maven project. – Essex Boy Jan 23 '17 at 10:12
@EssexBoy already tried – Marie Vincent Jan 23 '17 at 10:24
To conclude : I reinstall once more the project, i work on the module's part and it work, i don't use the parent's folder. – Marie Vincent Jan 26 '17 at 10:24

Eclipse can not find the class build by maven

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