title: Wildfly ignores included library
body: <p>I have all libraries in the WEB-INF/lib folder, however at execution time, 
  Wildfly is complaining about a missing method:</p>
  
  <pre><code>2018-08-13 09:56:14,723 ERROR [stderr] (Thread-174) Exception in thread "Thread-174" java.lang.NoSuchMethodError: com.google.common.collect.Sets$SetView.iterator()Lcom/google/common/collect/UnmodifiableIterator;
  2018-08-13 09:56:14,723 ERROR [stderr] (Thread-174)     at org.reflections.Reflections.expandSuperTypes(Reflections.java:380)
  2018-08-13 09:56:14,724 ERROR [stderr] (Thread-174)     at org.reflections.Reflections.&lt;init&gt;(Reflections.java:126)
  2018-08-13 09:56:14,724 ERROR [stderr] (Thread-174)     at org.nd4j.linalg.api.ops.factory.DefaultOpFactory.&lt;init&gt;(DefaultOpFactory.java:71)
  2018-08-13 09:56:14,724 ERROR [stderr] (Thread-174)     at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
  2018-08-13 09:56:14,724 ERROR [stderr] (Thread-174)     at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
  2018-08-13 09:56:14,724 ERROR [stderr] (Thread-174)     at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
  2018-08-13 09:56:14,724 ERROR [stderr] (Thread-174)     at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
  2018-08-13 09:56:14,724 ERROR [stderr] (Thread-174)     at java.lang.Class.newInstance(Class.java:442)
  2018-08-13 09:56:14,724 ERROR [stderr] (Thread-174)     at org.nd4j.linalg.factory.Nd4j.initWithBackend(Nd4j.java:6192)
  2018-08-13 09:56:14,724 ERROR [stderr] (Thread-174)     at org.nd4j.linalg.factory.Nd4j.initContext(Nd4j.java:6087)
  2018-08-13 09:56:14,725 ERROR [stderr] (Thread-174)     at org.nd4j.linalg.factory.Nd4j.&lt;clinit&gt;(Nd4j.java:201)
  </code></pre>
  
  <p>I checked the class-path entries at runtime and it turns out, that Guava 20.0.0 is missing. However, the Guava library is included in the lib-folder and also specified as Maven dependency. </p>
  
  <p>Is there any special handling for libraries I am not aware? Thanks!</p>