[FIXED JENKINS-18441] NPE in MavenFingerprinter.getArtifactRepositoryMaven21.

changelog.html

@@ -58,6 +58,9 @@ Upcoming changes</a>
   <li class=bug>
     Fixed another possible cause of an NPE from MatrixConfiguration.newBuild.
     (<a href="https://issues.jenkins-ci.org/browse/JENKINS-17728">issue 17728</a>)
+  <li class=bug>
+    NPE in MavenFingerprinter.getArtifactRepositoryMaven21.
+    (<a href="https://issues.jenkins-ci.org/browse/JENKINS-18441">issue 18441</a>)
 </ul>
 </div><!--=TRUNK-END=-->
 

maven-plugin/src/main/java/hudson/maven/reporters/MavenFingerprinter.java

@@ -180,6 +180,9 @@ public class MavenFingerprinter extends MavenReporter {
             // this maven 2 object via reflection
             Method method = MavenProject.class.getMethod("getProjectBuilderConfiguration");
             projectBuilderConfiguration = (ProjectBuilderConfiguration) method.invoke(pom);
+            if (projectBuilderConfiguration == null) {
+                return null;
+            }
             return projectBuilderConfiguration.getLocalRepository();
         } catch (Exception e) {
             LOGGER.log(Level.WARNING, "Could not retrieve BuilderConfigration", e);