Maven: test dependencies

Question

Problem: Maven can't find some dependencies inside my tests

import org.hamcrest.core.StringStartsWith; // HIGHLIGHTED AS RED IN INTELLIJ

It's imported like this in my pom.xml:

<dependency>
    <groupId>org.hamcrest</groupId>
    <artifactId>hamcrest-core</artifactId>
    <version>1.3</version>
    <scope>test</scope>
</dependency>

I already tried:

1. mvn test-compile
2. Invalidate Intellij caches
3. Restart Intellij
4. Clear .m2 and rebuild project

Answer 1

The way to figure this out is to run your tests from the command line, via mvn verify , and ensure that things compile and run correctly. This will allow you to determine whether the problem is in your POM configuration, or something unique to Intellij.

If it's a problem in Intellij, it is very likely to be something around folder configuration: generally only folders marked as "Test Source Root" will have access to things in the test scope.

Answer 2

确保至少在<project><dependencies>下的<project><dependencies>下指定<project><dependencyManagement><dependencies> 。