HTTP/1.1 500 Error Interno del Servidor
Date: Mon, 22 Mar 2021 02:51:41 GMT
Server: Apache
Content-Length: 4329
Connection: close
Content-Type: text/html;charset=UTF-8
<HTML><HEAD><TITLE></TITLE>
<META content="text/html; charset=UTF-8" http-equiv="Content-Type" />
<META HTTP-EQUIV="Cache-Control" CONTENT="no-store">
<META HTTP-EQUIV="Cache-Control" CONTENT="no-cache">
<META HTTP-EQUIV="Pragma" CONTENT="no-cache">
<META HTTP-EQUIV="Expires" CONTENT="-1">
<link rel="shortcut icon" href="favicon.ico">
<style type="text/css" title="Normal Text">@import url("themes/blue/fixed.css");</style>
<script type="text/javascript" src="/js/prototype.js"></script>
<script type="text/javascript" src="/window.js"></script>
<script type="text/javascript" src="/utilitarios.js"></script>
<script type="text/javascript" src="/controls.js"></script>
<script type="text/javascript" src="/ajaxtags.js"></script>
<script type="text/javascript" src="/effects.js"></script>
</HEAD>
<!--
java.lang.NullPointerException
at org.x.x.x.web.login.LoginControlador.handleRequest(LoginControlador.java:90)
at org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter.handle(SimpleControllerHandlerAdapter.java:48)
at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:900)
at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:827)
at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:882)
at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:789)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:647)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at org.uajms.dtic.ecoimata.util.UTF8Filter.doFilter(UTF8Filter.java:22)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:219)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:110)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:492)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:165)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:1025)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
at org.apache.catalina.ha.session.JvmRouteBinderValve.invoke(JvmRouteBinderValve.java:209)
at org.apache.catalina.ha.tcp.ReplicationValve.invoke(ReplicationValve.java:347)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:452)
at org.apache.coyote.ajp.AjpNioProcessor.process(AjpNioProcessor.java:175)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:654)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1782)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1741)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Thread.java:745)
Cookies:
JSESSIONID=[E3D23786F0912664DBC171A7FF769007.tomcat117]
-->
<center>
<div class="cuadroAviso error" >
<H3> Aviso !!!!</H3>
Ocurrio un problema al atender su solicitud<br/>
por favor intente nuevamente.
<br><br>
<input type="button" value="volver" onClick="javascript:history.back();">
</div>
</center>
<P>
<BR>
Según lo que puedo ver es de ese símbolo de porcentaje esta causando una excepción de puntero nulo, mis dudas son las siguientes:
- ¿Por qué la excepción se esta mostrando dentro de un comentario?
- ¿Debería preocuparme por este error?
- ¿Es posible aprovecharse de este error?
- ¿Qué tan peligroso podría llegar a ser?