Java – Maven dependency error in eclipse

• Java

I have a war artifact that I need to use some of their classes from the jar

<plugin>
    <artifactId>maven-war-plugin</artifactId>
    <version>2.1.1</version>
    <configuration>
        <attachClasses>true</attachClasses>
    </configuration>
</plugin>

This will result in the deployment of two artifacts: mywebapp - 1.0 - snapshot War and mywebapp-1.0-snapshot-classes jar.

To use these classes, I will reference artifacts as follows:

<dependency>
        <groupId>mygroup</groupId>
        <artifactId>mywebapp</artifactId>
        <version>${project.version}</version>
        <classifier>classes</classifier>
    </dependency>

Everything was fine when I compiled from Jenkins, but I couldn't find the reference class when I ran the test locally from eclipse (java.lang.NoClassDefFoundError)

I think it may be an error in the Maven Eclipse Plug-in. Does anyone have any ideas that can happen?

Solution

My simple answer is the following link to eclipse's bug tracking system:

https://bugs.eclipse.org/bugs/show_bug.cgi?id=365419

Look at the answers inside

Yes, eclipse itself is a problem

The solution in eclipse is simply to manually add the project in your workspace to the corresponding project of the class you need in the project

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