Application compiles succesfully, but when running in JBoss EAP throws NoSuchMethodError

Issue

• Our team developed a new MDB, and it was tested in JBoss EAP developmeent server and worked fine, but when it was deployed to our QA's JBoss EAP server, it reported "NotSuchMethod" error when calling some function in the lib/jar file. The error message is

java.lang.NoSuchMethodError: com.jboss.examples.ExampleDAO.test(Lcom/jboss/examples/MyDO;)V
    at com.jboss.examples.mdb.ExampleMDB.onMessage(ExampleMDB.java:94)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    at java.lang.reflect.Method.invoke(Method.java:597)