I am also getting same error.
Code:
[INFO] Scanning for projects...
[INFO]
[INFO] ------------------------------------------------------------------------
[INFO] Building pizzaShop 0.1.0.BUILD-SNAPSHOT
[INFO] ------------------------------------------------------------------------
[INFO]
[INFO] --- aspectj-maven-plugin:1.2:compile (default) @ pizzaShop ---
[WARNING] advice defined in org.springframework.scheduling.aspectj.AbstractAsyncExecutionAspect has not been applied [Xlint:adviceDidNotMatch]
[WARNING] advice defined in org.springframework.mock.staticmock.AnnotationDrivenStaticEntityMockingControl has not been applied [Xlint:adviceDidNotMatch]
[WARNING] advice defined in org.springframework.mock.staticmock.AbstractMethodMockingControl has not been applied [Xlint:adviceDidNotMatch]
[INFO]
[INFO] --- maven-resources-plugin:2.5:resources (default-resources) @ pizzaShop ---
[debug] execute contextualize
[INFO] Using 'UTF-8' encoding to copy filtered resources.
[INFO] Copying 4 resources
[INFO]
[INFO] --- maven-compiler-plugin:2.3.2:compile (default-compile) @ pizzaShop ---
[INFO] Nothing to compile - all classes are up to date
[INFO]
[INFO] --- exec-maven-plugin:1.2:exec (default) @ pizzaShop ---
error: Could not find root type com.foo.client.managed.request.ApplicationRequestFactory
1 error
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 7.086s
[INFO] Finished at: Thu Apr 19 14:46:35 IST 2012
[INFO] Final Memory: 7M/16M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.codehaus.mojo:exec-maven-plugin:1.2:exec (default) on project pizzaShop: Command execution failed. Process exited with an error: -1(Exit value: -1) -> [Help 1]
[ERROR]
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR]
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoExecutionException