component lookup exception with org.apache.maven.repository.RepositorySystem in Maven plugin testing

yegor256 picture yegor256 · Apr 3, 2013 · Viewed 11.7k times · Source

I'm trying to use maven-plugin-testing-harness version 2.1 with the following test case:

public class FooTest extends AbstractMojoTestCase {
  @Override
  protected void setUp() throws Exception {
    super.setUp();
  }
  public void testSomething() throws Exception {
    // todo
  }
}

The test fails at the setUp() call:

org.codehaus.plexus.component.repository.exception.ComponentLookupException: java.util.NoSuchElementException
  role: org.apache.maven.repository.RepositorySystem
roleHint: 
    at org.codehaus.plexus.DefaultPlexusContainer.lookup(DefaultPlexusContainer.java:257)
    at org.codehaus.plexus.DefaultPlexusContainer.lookup(DefaultPlexusContainer.java:245)
    at org.codehaus.plexus.DefaultPlexusContainer.lookup(DefaultPlexusContainer.java:239)
    at org.codehaus.plexus.PlexusTestCase.lookup(PlexusTestCase.java:206)
    at org.apache.maven.plugin.testing.AbstractMojoTestCase.setUp(AbstractMojoTestCase.java:118)
    at foo.FooTest.setUp(FooTest.java:54)

These dependencies I have in the pom.xml:

    <dependency>
        <groupId>org.apache.maven</groupId>
        <artifactId>maven-plugin-api</artifactId>
        <version>3.0.5</version>
    </dependency>
    <dependency>
        <groupId>org.apache.maven</groupId>
        <artifactId>maven-model</artifactId>
        <version>3.0.5</version>
    </dependency>
    <dependency>
        <groupId>org.apache.maven</groupId>
        <artifactId>maven-core</artifactId>
        <version>3.0.5</version>
    </dependency>
    <dependency>
        <groupId>org.apache.maven.plugin-testing</groupId>
        <artifactId>maven-plugin-testing-harness</artifactId>
        <version>2.1</version>
        <scope>test</scope>
    </dependency>

Any ideas?

Answer

smoke picture smoke · May 23, 2013

Recently I faced the same exception. After a bit researching I found that maven-compat plugin solves the problem:

<dependency>
    <groupId>org.apache.maven</groupId>
    <artifactId>maven-compat</artifactId>
    <version>3.0.5</version>
    <scope>test</scope>
</dependency>