Each build is successful, but at the end of the build, the following is reported.
[INFO] ------------------------------------------------------------------------
[INFO] Reactor Summary:
[INFO]
[INFO] cciAdapter ........................................ SUCCESS [0.577s]
[INFO] cciAdapter-core ................................... SUCCESS [2.655s]
[INFO] cciAdapter-ftp .................................... SUCCESS [1.092s]
[INFO] cciAdapter-ws Spring-WS Application ............... SUCCESS [0.996s]
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 6.257s
[INFO] Finished at: Tue Aug 16 14:11:50 BST 2011
[INFO] Final Memory: 19M/123M
[INFO] ------------------------------------------------------------------------
Waiting for Jenkins to finish collecting data
channel stopped
FATAL: null
java.lang.NullPointerException
at hudson.maven.MavenModuleSetBuild$RunnerImpl.doRun(MavenModuleSetBuild.java:833)
at hudson.model.AbstractBuild$AbstractRunner.run(AbstractBuild.java:448)
at hudson.model.Run.run(Run.java:1376)
at hudson.maven.MavenModuleSetBuild.run(MavenModuleSetBuild.java:479)
at hudson.model.ResourceController.execute(ResourceController.java:88)
at hudson.model.Executor.run(Executor.java:230)

Full log file is attached.