Tomcat 500 Error: java.lang.Unsupportedoperationexception

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Web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://xmlns.jcp.org/xml/ns/javaee" xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd" version="3.1">
  <display-name>ProjWebFinal</display-name>  
  <servlet>
    <servlet-name>Faces Servlet</servlet-name>
    <servlet-class>javax.faces.webapp.FacesServlet</servlet-class>
    <load-on-startup>1</load-on-startup>
  </servlet>
  <welcome-file-list>
   <welcome-file>Login.xhtml</welcome-file>
</welcome-file-list>
  <servlet-mapping>
    <servlet-name>Faces Servlet</servlet-name>    
    <url-pattern>*.xhtml</url-pattern>
  </servlet-mapping>
  <context-param>
    <description>State saving method: 'client' or 'server' (=default). See JSF Specification 2.5.2</description>
    <param-name>javax.faces.STATE_SAVING_METHOD</param-name>
    <param-value>client</param-value>
  </context-param>
  <context-param>
    <param-name>javax.servlet.jsp.jstl.fmt.localizationContext</param-name>
    <param-value>resources.application</param-value>
  </context-param>
  <listener>
    <listener-class>com.sun.faces.config.ConfigureListener</listener-class>
  </listener>
</web-app>

Login.xhtml

<<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml"
      xmlns:f="http://java.sun.com/jsf/core"
      xmlns:h="http://java.sun.com/jsf/html">

  <h:head>
     <title>Login</title>
  </h:head>

  <h:body>
     <h:outputText value="#{LoginBean.nome}"></h:outputText><br/>
     <h:outputText value="#{LoginBean.senha}"></h:outputText><br/>

  </h:body>

</html>

Login.java

package controle;

import javax.faces.bean.ManagedBean;

@ManagedBean(name = "LoginBean") 

public class Login {

    private String nome;
    private String senha;   

    public Login(String nome,String senha){

        this.setNome(nome);
        this.setSenha(senha);
    }

    public void setNome(String nome){

        this.nome = nome;
    }

    public String getNome(){

        return this.nome;
    }

    public void setSenha(String senha){

        this.senha = senha;
    }

    public String getSenha(){

        return this.senha;
    }
}

This gives the error 500 when trying to run Login.xhtml, the error below:

java.lang.UnsupportedOperationException
  at javax.faces.context.FacesContext.getAttributes(Unknown Source)
  at org.primefaces.context.RequestContext.setCurrentInstance(RequestContext.java:70)
  at org.primefaces.context.PrimeFacesContext.<init>(PrimeFacesContext.java:33)
  at org.primefaces.context.PrimeFacesContextFactory.getFacesContext(PrimeFacesContextFactory.java:34)
  at javax.faces.webapp.FacesServlet.service(Unknown Source)
  at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:291)
  at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
  at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
  at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239)
  at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
  at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:219)
  at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106)
  at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502)
  at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:142)
  at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79)
  at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:616)
  at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88)
  at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:518)
  at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1091)
  at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:673)
  at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1526)
  at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1482)
  at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
  at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
  at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
  at java.lang.Thread.run(Unknown Source)
eclipse jsf-2.2 tomcat primefaces-3.5

  • With the <h:body></h:body> empty (removing the h:outputText) the error still occurs?

  • What version of JSF you are using?

  • In your bean, there is no defined scope, or you configured it via xml, faces-config.xml?

1 answer

0

See this part of the code:

<<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

There’s an "<" left. See if that’s it

  • I took the "<" but it didn’t work

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