type Exception report
message java.lang.NullPointerException
description The server encountered an internal error that prevented it from fulfilling this request.
exception
javax.servlet.ServletException: java.lang.NullPointerException javax.faces.webapp.FacesServlet.service(FacesServlet.java:659) gr.gunet.utils.EncodingFilter.doFilter(EncodingFilter.java:19)
root cause
javax.faces.el.EvaluationException: java.lang.NullPointerException javax.faces.component.MethodBindingMethodExpressionAdapter.invoke(MethodBindingMethodExpressionAdapter.java:101) com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:102) javax.faces.component.UIViewAction.broadcast(UIViewAction.java:562) javax.faces.component.UIViewRoot.broadcastEvents(UIViewRoot.java:790) javax.faces.component.UIViewRoot.processApplication(UIViewRoot.java:1282) com.sun.faces.lifecycle.InvokeApplicationPhase.execute(InvokeApplicationPhase.java:81) com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101) com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:198) javax.faces.webapp.FacesServlet.service(FacesServlet.java:646) gr.gunet.utils.EncodingFilter.doFilter(EncodingFilter.java:19)
root cause
java.lang.NullPointerException
note The full stack trace of the root cause is available in the Apache Tomcat/7.0.52 (Ubuntu) logs.