Re: [m2e-users] Missing class when running plugin via M2E

[Igor Fedorenko <igor@xxxxxxxxxxxxxx>]

Does your project build with maven 3.2.1 or 3.2.2 on command line?

The exception suggests one of your plugins expects sonatype aether from maven 3.0.x, which means it is not compatible with m2e.



On June 30, 2014 9:11:44 AM EDT, "Sébastien Pennec" <sebastien.pennec@xxxxxxxxx> wrote:
>Hello,
>
>
>
>I’m having a strange error log with a Maven project. Here is the error
>message:
>
>
>
>*Execution some-generation of goal
>com.mycompany.maven.plugins:some-maven-plugin:1.1.1:generate failed: A
>required class was missing while executing
>com.mycompany.maven.plugins:some-maven-plugin:1.1.1:generate:
>org/sonatype/aether/resolution/ArtifactResolutionException*
>
>
>
>It seems fairly straightforward, but I’m afraid it not. The build runs
>perfectly with the command line. It’s only when the project is analyzed
>by
>M2E that this error pops up.
>
>
>
>The Maven plugin, which is developed in-house, has a dependency on
>Aether
>(the org.eclipse one, version 0.9.0.M3 along with the Maven runtime
>3.0.3).
> Are these dependencies the cause of the problem? I expect the M2E
>dependencies and those that are needed by a Maven plugin to be
>independent,
>so using an older version of Aether in a plugin should not impact M2E,
>is
>that correct?
>
>
>
>Thanks for your help,
>
>
>
>Sébastien
>
>
>
>The full error message:
>
>
>
>Description         Resource             Path       Location
>Type
>
>Execution some-generation of goal
>com.mycompany.maven.plugins:some-maven-plugin:1.1.1:generate failed: A
>required class was missing while executing
>com.mycompany.maven.plugins:some-maven-plugin:1.1.1:generate:
>org/sonatype/aether/resolution/ArtifactResolutionException
>
>-----------------------------------------------------
>
>realm =    plugin>com.mycompany.maven.plugins:some-maven-plugin:1.1.1
>
>strategy = org.codehaus.plexus.classworlds.strategy.SelfFirstStrategy
>
>urls[0] =
>file:/E:/projects/maven/maven-local-repo/com/mycompany/maven/plugins/some-maven-plugin/1.1.1/
>some -maven-plugin-1.1.1.jar
>
>urls[1] = file:/E:/projects/maven/maven-local-repo/com/ mycompany
>/maven/plugins/ some -maven-plugin/1.1.1/ some
>-maven-plugin-1.1.1-resources.zip
>
>urls[2] =
>file:/E:/projects/maven/maven-local-repo/com/company/something/3.5.0/something-3.5.0.jar
>
>urls[3] =
>file:/E:/projects/maven/maven-local-repo/org/sonatype/sisu/sisu-inject-bean/2.1.1/sisu-inject-bean-2.1.1.jar
>
>urls[4] =
>file:/E:/projects/maven/maven-local-repo/org/sonatype/sisu/sisu-guice/2.9.4/sisu-guice-2.9.4-no_aop.jar
>
>urls[5] =
>file:/E:/projects/maven/maven-local-repo/org/codehaus/plexus/plexus-utils/3.0.8/plexus-utils-3.0.8.jar
>
>urls[6] =
>file:/E:/projects/maven/maven-local-repo/org/apache/maven/shared/file-management/1.2/file-management-1.2.jar
>
>urls[7] =
>file:/E:/projects/maven/maven-local-repo/org/apache/maven/shared/maven-shared-io/1.1/maven-shared-io-1.1.jar
>
>urls[8] =
>file:/E:/projects/maven/maven-local-repo/junit/junit/4.11/junit-4.11.jar
>
>urls[9] =
>file:/E:/projects/maven/maven-local-repo/org/hamcrest/hamcrest-core/1.3/hamcrest-core-1.3.jar
>
>urls[10] =
>file:/E:/projects/maven/maven-local-repo/org/sonatype/aether/aether-util/1.11/aether-util-1.11.jar
>
>urls[11] =
>file:/E:/projects/maven/maven-local-repo/org/codehaus/plexus/plexus-interpolation/1.15/plexus-interpolation-1.15.jar
>
>urls[12] =
>file:/E:/projects/maven/maven-local-repo/org/codehaus/plexus/plexus-component-annotations/1.5.5/plexus-component-annotations-1.5.5.jar
>
>urls[13] =
>file:/E:/projects/maven/maven-local-repo/org/sonatype/plexus/plexus-sec-dispatcher/1.3/plexus-sec-dispatcher-1.3.jar
>
>urls[14] =
>file:/E:/projects/maven/maven-local-repo/org/sonatype/plexus/plexus-cipher/1.4/plexus-cipher-1.4.jar
>
>urls[15] = file:/E:/projects/maven/maven-local-repo/com/mycompany
>/maven/maven-common-lib/1.0.3/maven-common-lib-1.0.3.jar
>
>Number of foreign imports: 1
>
>import: Entry[import  from realm ClassRealm[maven.api, parent: null]]
>
>
>
>-----------------------------------------------------
>
>(com.mycompany.maven.plugins:some-maven-plugin:1.1.1:generate: some
>-generation:generate-resources)                pom.xml
>/myproject         line 2     Maven Build Problem
>
>
>------------------------------------------------------------------------
>
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