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ERRO NO JAVA WEB

migueldf

Por migueldf
em Java/Android SDK

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migueldf
 

migueldf

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Ola galera estadando esse erro mais nao consigo resolver podem ajuda?

 

 

HTTP Status 500 - An exception occurred processing JSP page /Cardapio/cardapio.jsp at line 4
 

type Exception report

message An exception occurred processing JSP page /Cardapio/cardapio.jsp at line 4

description The server encountered an internal error that prevented it from fulfilling this request.

exception

org.apache.jasper.JasperException: An exception occurred processing JSP page /Cardapio/cardapio.jsp at line 41: <%@ page language="java" contentType="text/html; charset=ISO-8859-1" pageEncoding="ISO-8859-1"%>2: <%@ include file="..\Cabecario\cabecario.jsp"%>3: <%@taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>4: <jsp:useBean id="cod_pizza" class="br.ucb.DAO.CardapioPizzaDAO"/>5: <jsp:useBean id="cod_bebida" class="br.ucb.DAO.CardapioBebidaDAO"/> 6: 7: Stacktrace:	org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:567)	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:454)	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:396)	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:340)	javax.servlet.http.HttpServlet.service(HttpServlet.java:725)	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)

root cause

javax.servlet.ServletException: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failureThe last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.	org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:908)	org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:837)	org.apache.jsp.Cardapio.cardapio_jsp._jspService(cardapio_jsp.java:227)	org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)	javax.servlet.http.HttpServlet.service(HttpServlet.java:725)	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:431)	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:396)	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:340)	javax.servlet.http.HttpServlet.service(HttpServlet.java:725)	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)

root cause

com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failureThe last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.	sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)	sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)	sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)	java.lang.reflect.Constructor.newInstance(Unknown Source)	com.mysql.jdbc.Util.handleNewInstance(Util.java:411)	com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:1117)	com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:355)	com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2461)	com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2498)	com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2283)	com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:822)	com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:47)	sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)	sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)	sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)	java.lang.reflect.Constructor.newInstance(Unknown Source)	com.mysql.jdbc.Util.handleNewInstance(Util.java:411)	com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:404)	com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:317)	java.sql.DriverManager.getConnection(Unknown Source)	java.sql.DriverManager.getConnection(Unknown Source)	br.ucb.JDBC.ConnectionFactory.getConnection(ConnectionFactory.java:19)	br.ucb.DAO.CardapioPizzaDAO.<init>(CardapioPizzaDAO.java:23)	org.apache.jsp.Cardapio.cardapio_jsp._jspService(cardapio_jsp.java:139)	org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)	javax.servlet.http.HttpServlet.service(HttpServlet.java:725)	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:431)	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:396)	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:340)	javax.servlet.http.HttpServlet.service(HttpServlet.java:725)	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)

root cause

java.net.ConnectException: Connection refused: connect	java.net.DualStackPlainSocketImpl.connect0(Native Method)	java.net.DualStackPlainSocketImpl.socketConnect(Unknown Source)	java.net.AbstractPlainSocketImpl.doConnect(Unknown Source)	java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source)	java.net.AbstractPlainSocketImpl.connect(Unknown Source)	java.net.PlainSocketImpl.connect(Unknown Source)	java.net.SocksSocketImpl.connect(Unknown Source)	java.net.Socket.connect(Unknown Source)	java.net.Socket.connect(Unknown Source)	java.net.Socket.<init>(Unknown Source)	java.net.Socket.<init>(Unknown Source)	com.mysql.jdbc.StandardSocketFactory.connect(StandardSocketFactory.java:259)	com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:305)	com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2461)	com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2498)	com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2283)	com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:822)	com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:47)	sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)	sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)	sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)	java.lang.reflect.Constructor.newInstance(Unknown Source)	com.mysql.jdbc.Util.handleNewInstance(Util.java:411)	com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:404)	com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:317)	java.sql.DriverManager.getConnection(Unknown Source)	java.sql.DriverManager.getConnection(Unknown Source)	br.ucb.JDBC.ConnectionFactory.getConnection(ConnectionFactory.java:19)	br.ucb.DAO.CardapioPizzaDAO.<init>(CardapioPizzaDAO.java:23)	org.apache.jsp.Cardapio.cardapio_jsp._jspService(cardapio_jsp.java:139)	org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)	javax.servlet.http.HttpServlet.service(HttpServlet.java:725)	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:431)	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:396)	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:340)	javax.servlet.http.HttpServlet.service(HttpServlet.java:725)	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)

note The full stack trace of the root cause is available in the Apache Tomcat/8.0.20 logs.

Apache Tomcat/8.0.20

se tira os as seguintes linhas 

4: <jsp:useBean id="cod_pizza" class="br.ucb.DAO.CardapioPizzaDAO"/>

5: <jsp:useBean id="cod_bebida" class="br.ucb.DAO.CardapioBebidaDAO"/>

 

o programa em si roda mais nao mostra o cardapio, so mostra o layout 

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