com.sun.faces.config.ConfigurationException: CONFIGURATION FAILED! com.sun.webui.jsf.faces.UIComponentELResolver

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com.sun.faces.config.ConfigurationException: CONFIGURATION FAILED! com.sun.webui.jsf.faces.UIComponentELResolver
at org.glassfish.web.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1518)
at com.sun.faces.util.Util.loadClass(Util.java:281)
at com.sun.faces.config.processor.AbstractConfigProcessor.loadClass(AbstractConfigProcessor.java:311)
at com.sun.faces.config.processor.AbstractConfigProcessor.createInstance(AbstractConfigProcessor.java:240)
at com.sun.faces.config.processor.ApplicationConfigProcessor.addELResolver(ApplicationConfigProcessor.java:560)
at com.sun.faces.config.processor.ApplicationConfigProcessor.process(ApplicationConfigProcessor.java:298)
at com.sun.faces.config.processor.AbstractConfigProcessor.invokeNext(AbstractConfigProcessor.java:114)
at com.sun.faces.config.processor.LifecycleConfigProcessor.process(LifecycleConfigProcessor.java:116)
at com.sun.faces.config.processor.AbstractConfigProcessor.invokeNext(AbstractConfigProcessor.java:114)
at com.sun.faces.config.processor.FactoryConfigProcessor.process(FactoryConfigProcessor.java:222)

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