[HUDSON-8493] MavenReporter#postExecute parameter Throwable error is always...

[HUDSON-8493] MavenReporter#postExecute parameter Throwable error is always empty in case of mojo failure

maven-plugin/src/main/java/hudson/maven/Maven3Builder.java

@@ -620,10 +620,14 @@ public class Maven3Builder extends AbstractMavenBuilder implements DelegatingCal
             if (mavenReporters != null) {
                 for (MavenReporter mavenReporter : mavenReporters) {
                     try {
-                        // TODO get exception during mojo execution ?
+                        // http://issues.hudson-ci.org/browse/HUDSON-8493
                         // with maven 3.0.2 see http://jira.codehaus.org/browse/MNG-4922
                         // catch NoSuchMethodError if folks not using 3.0.2+
-                        mavenReporter.postExecute( mavenBuildProxy2, mavenProject, mojoInfo, maven3Builder.listener, null );
+                        try {
+                            mavenReporter.postExecute( mavenBuildProxy2, mavenProject, mojoInfo, maven3Builder.listener, event.getException() );
+                        } catch (NoSuchMethodError e) {
+                            mavenReporter.postExecute( mavenBuildProxy2, mavenProject, mojoInfo, maven3Builder.listener, null );
+                        }
                     } catch ( InterruptedException e ) {
                         e.printStackTrace();
                     } catch ( IOException e ) {