HTTP Status 500 - java.lang.NullPointerException


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.


Apache Tomcat/7.0.52 (Ubuntu)