appclient doesn't declare a dependency on persistence unit

15:50:19,461 INFO [JBossASKernel] installing bean: jboss.j2ee:ear=ejb3_appclient_annotation.ear,jar=ejb3_appclient_annotation_client.jar,name=ejb3_appclient_annotation_client,service=EJB3
15:50:19,462 INFO [JBossASKernel] with dependencies:
15:50:19,463 INFO [JBossASKernel] and demands:
15:50:19,464 INFO [JBossASKernel] and supplies:
15:50:19,465 INFO [JBossASKernel] Added bean(jboss.j2ee:ear=ejb3_appclient_annotation.ear,jar=ejb3_appclient_annotation_client.jar,name=ejb3_appclient_annotation_client,service=EJB3) to KernelDeployment of: ejb3_appclient_annotation_client.jar
15:50:19,834 ERROR [AbstractKernelController] Error installing to Start: name=jboss.j2ee:ear=ejb3_appclient_annotation.ear,jar=ejb3_appclient_annotation_client.jar,name=ejb3_appclient_annotation_client,service=EJB3 state=Create
java.lang.NullPointerException
at org.jboss.ejb3.clientmodule.RemotePuEncInjector.inject(RemotePuEncInjector.java:62)