"NoClassDefFoundError: sun/security/action/GetPropertyAction" from ORB code on EAP 6

Issue

We see the following error when deploying our application on EAP 6

ERROR [org.apache.catalina.core.ContainerBase.[jboss.web].[default-host].[/myapp]] (ServerService Thread Pool -- 1) JBWEB000284: Exception starting filter MyFilter: java.lang.NoClassDefFoundError: sun/security/action/GetPropertyAction
    at com.sun.corba.ee.internal.corba.ORB.getSystemProperty(ORB.java:672) [j2ee.jar:1.3.1]
    at com.sun.corba.ee.internal.corba.ORB.findORBPropertiesFromSystem(ORB.java:778) [j2ee.jar:1.3.1]
    at com.sun.corba.ee.internal.corba.ORB.set_parameters(ORB.java:450) [j2ee.jar:1.3.1]
    at com.sun.corba.ee.internal.POA.POAORB.set_parameters(POAORB.java:156) [j2ee.jar:1.3.1]
    at com.sun.corba.ee.internal.Interceptors.PIORB.set_parameters(PIORB.java:336) [j2ee.jar:1.3.1]
    at org.omg.CORBA.ORB.init(ORB.java:62) [jacorb-2.3.2.redhat-5.jar:2.3.2.redhat-5]
    at com.sun.enterprise.util.ORBManager.createORB(ORBManager.java:138) [j2ee.jar:1.3.1]
    at com.sun.enterprise.util.ORBManager.init(ORBManager.java:65) [j2ee.jar:1.3.1]
    at com.sun.enterprise.naming.SerialInitContextFactory.<init>(SerialInitContextFactory.java:31) [j2ee.jar:1.3.1]
    at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) [classes.jar:1.6.0_65]
    at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39) [classes.jar:1.6.0_65]
    at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27) [classes.jar:1.6.0_65]
    at java.lang.reflect.Constructor.newInstance(Constructor.java:513) [classes.jar:1.6.0_65]
    at java.lang.Class.newInstance0(Class.java:357) [classes.jar:1.6.0_65]
    at java.lang.Class.newInstance(Class.java:310) [classes.jar:1.6.0_65]
    at org.jboss.as.naming.InitialContextFactoryBuilder.createInitialContextFactory(InitialContextFactoryBuilder.java:62)
    at javax.naming.spi.NamingManager.getInitialContext(NamingManager.java:664) [classes.jar:1.6.0_65]
    at javax.naming.InitialContext.getDefaultInitCtx(InitialContext.java:288) [classes.jar:1.6.0_65]
    at javax.naming.InitialContext.init(InitialContext.java:223) [classes.jar:1.6.0_65]
    at javax.naming.InitialContext.<init>(InitialContext.java:175) [classes.jar:1.6.0_65]
    ...