NPE in JCA ManagedConnectionFactory in EAP 6.0.1

Issue

• NullPointerException (NPE) in Java Connector Architecture (JCA) ManagedConnectionFactory
• Custom Resource Adapter in EAP 6.0.1 is getting the following error:

java.lang.NullPointerException
    com.myconnector.smtp.SmtpManagedConnection.getMessage(SmtpManagedConnection.java:235)
    com.myconnector.smtp.SmtpConnectionImpl.getMessage(SmtpConnectionImpl.java:57)
    org.jboss.as.quickstarts.rshelloworld.HelloService.createHelloMessage(HelloService.java:42)
    org.jboss.as.quickstarts.rshelloworld.HelloWorld.getHelloWorldJSON(HelloWorld.java:42)
    org.jboss.as.quickstarts.rshelloworld.HelloWorld$Proxy$_$$_WeldClientProxy.getHelloWorldJSON(HelloWorld$Proxy$_$$_WeldClientProxy.java)
    sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)