To recebendo uns erros no log do servidor e não consigo identificar que erro é. Se alguem puder ajudar eu agradeço muito, segue o log.
Log:
2015-12-16 15:32:11,886 WARN [org.jboss.detailed.classloader.ClassLoaderManager] (Thread-2) Unexpected error during load of:org.w3c.dom.UserDataHandler: java.lang.LinkageError: loader constraint violation: loader (instance of org/jboss/classloader/spi/base/BaseClassLoader) previously initiated loading for a different type with name "org/w3c/dom/UserDataHandler"
2015-12-16 15:32:12,058 WARN [org.jboss.detailed.classloader.ClassLoaderManager] (Thread-2) Unexpected error during load of:org.w3c.dom.DOMConfiguration: java.lang.LinkageError: loader constraint violation: loader (instance of org/jboss/classloader/spi/base/BaseClassLoader) previously initiated loading for a different type with name "org/w3c/dom/DOMConfiguration"
2015-12-16 15:32:12,073 WARN [org.jboss.detailed.classloader.ClassLoaderManager] (Thread-2) Unexpected error during load of:org.w3c.dom.TypeInfo: java.lang.LinkageError: loader constraint violation: loader (instance of org/jboss/classloader/spi/base/BaseClassLoader) previously initiated loading for a different type with name "org/w3c/dom/TypeInfo"
2015-12-16 15:33:40,396 SEVERE [org.primefaces.config.WebXmlParser] (http-0.0.0.0-8080-4) Could not load or parse web.xml: java.lang.LinkageError: loader constraint violation: when resolving field "NODESET" the class loader (instance of org/jboss/classloader/spi/base/BaseClassLoader) of the referring class, javax/xml/xpath/XPathConstants, and the class loader (instance of <bootloader>) for the field's resolved type, t violation: when resolving field "NODESET" the class loader (instance of org/
2015-12-16 15:33:40,546 SEVERE [org.primefaces.config.WebXmlParser] (http-0.0.0.0-8080-2) Could not load or parse web-fragment.xml: java.lang.LinkageError: loader constraint violation: when resolving field "NODESET" the class loader (instance of org/jboss/classloader/spi/base/BaseClassLoader) of the referring class, javax/xml/xpath/XPathConstants, and the class loader (instance of <bootloader>) for the field's resolved type, t violation: when resolving field "NODESET" the class loader (instance of org/