[mjurc@tigris client]$ mvn exec:java
[INFO] Scanning for projects...
[INFO]                                                                         
[INFO] ------------------------------------------------------------------------
[INFO] Building JBoss EAP Quickstart: ejb-multi-server - client 7.1.0.Alpha1
[INFO] ------------------------------------------------------------------------
[INFO] 
[INFO] >>> exec-maven-plugin:1.2.1:java (default-cli) > validate @ jboss-ejb-multi-server-client >>>
[INFO] 
[INFO] <<< exec-maven-plugin:1.2.1:java (default-cli) < validate @ jboss-ejb-multi-server-client <<<
[INFO] 
[INFO] --- exec-maven-plugin:1.2.1:java (default-cli) @ jboss-ejb-multi-server-client ---
[WARNING] 
java.lang.reflect.InvocationTargetException
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.codehaus.mojo.exec.ExecJavaMojo$1.run(ExecJavaMojo.java:297)
	at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.NoClassDefFoundError: org/jboss/modules/ModuleLoadException
	at org.jboss.remoting3.EndpointBuilder.build(EndpointBuilder.java:117)
	at org.jboss.remoting3.RemotingXmlParser.parseEndpoint(RemotingXmlParser.java:53)
	at org.jboss.remoting3.ConfigurationEndpointSupplier.lambda$static$0(ConfigurationEndpointSupplier.java:44)
	at java.security.AccessController.doPrivileged(Native Method)
	at org.jboss.remoting3.ConfigurationEndpointSupplier.<clinit>(ConfigurationEndpointSupplier.java:42)
	at org.wildfly.common.context.ContextManager.setGlobalDefaultSupplierIfNotSet(ContextManager.java:108)
	at org.jboss.remoting3.Endpoint.lambda$static$0(Endpoint.java:58)
	at java.security.AccessController.doPrivileged(Native Method)
	at org.jboss.remoting3.Endpoint.<clinit>(Endpoint.java:56)
	at org.jboss.ejb.client.remoting.EndpointPool.getEndpoint(EndpointPool.java:89)
	at org.jboss.ejb.client.remoting.RemotingEndpointManager.getEndpoint(RemotingEndpointManager.java:49)
	at org.jboss.ejb.client.remoting.ConfigBasedEJBClientContextSelector.setupEJBReceivers(ConfigBasedEJBClientContextSelector.java:136)
	at org.jboss.ejb.client.remoting.ConfigBasedEJBClientContextSelector.getCurrent(ConfigBasedEJBClientContextSelector.java:118)
	at org.jboss.ejb.client.remoting.ConfigBasedEJBClientContextSelector.getCurrent(ConfigBasedEJBClientContextSelector.java:47)
	at org.jboss.ejb.client.EJBClientContext.getCurrent(EJBClientContext.java:279)
	at org.jboss.ejb.client.EJBClientContext.requireCurrent(EJBClientContext.java:289)
	at org.jboss.ejb.client.EJBInvocationHandler.doInvoke(EJBInvocationHandler.java:178)
	at org.jboss.ejb.client.EJBInvocationHandler.invoke(EJBInvocationHandler.java:146)
	at com.sun.proxy.$Proxy23.invokeAll(Unknown Source)
	at org.jboss.as.quickstarts.ejb.multi.server.Client.main(Client.java:74)
	... 6 more
Caused by: java.lang.ClassNotFoundException: org.jboss.modules.ModuleLoadException
	at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
	... 26 more
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 0.607 s
[INFO] Finished at: 2016-11-15T09:19:22+01:00
[INFO] Final Memory: 14M/298M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.codehaus.mojo:exec-maven-plugin:1.2.1:java (default-cli) on project jboss-ejb-multi-server-client: An exception occured while executing the Java class. null: InvocationTargetException: org/jboss/modules/ModuleLoadException: org.jboss.modules.ModuleLoadException -> [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