ItEr07S06ArquitecturaServidorItEr06S04: Adding centralized error pages. One is for errors while processing ajax events and the other is for errors when loading pages.
This commit is contained in:
Óscar González Fernández
Javier Moran Rua
parent
cced9e9a4a
commit
c25c91a9b4
6 changed files with 187 additions and 81 deletions
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package org.navalplanner.web.error;
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import javax.servlet.http.HttpServletRequest;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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import org.zkoss.zk.ui.Component;
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import org.zkoss.zk.ui.Executions;
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import org.zkoss.zk.ui.util.GenericForwardComposer;
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public class PageForErrorOnEvent extends GenericForwardComposer {
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private static final Log LOG = LogFactory.getLog(PageForErrorOnEvent.class);
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private Component modalWindow;
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@Override
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public void doAfterCompose(Component comp) throws Exception {
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super.doAfterCompose(comp);
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logError();
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modalWindow = comp;
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}
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private void logError() {
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Throwable exception = (Throwable) Executions.getCurrent().getAttribute(
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"javax.servlet.error.exception");
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String errorMessage = (String) Executions.getCurrent().getAttribute(
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"javax.servlet.error.message");
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LOG.error(errorMessage, exception);
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}
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public void onClick$continueWorking() {
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modalWindow.detach();
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}
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public void onClick$reload() {
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Executions.sendRedirect(null);
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}
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public void onClick$quitSession() {
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HttpServletRequest nativeRequest = (HttpServletRequest) Executions
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.getCurrent().getNativeRequest();
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nativeRequest.getSession().invalidate();
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Executions.sendRedirect("/");
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}
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}
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@ -1,91 +1,103 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<web-app id="WebApp_ID" version="2.4"
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xmlns="http://java.sun.com/xml/ns/j2ee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee
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xmlns="http://java.sun.com/xml/ns/j2ee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee
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http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">
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<display-name>helloworld</display-name>
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<display-name>helloworld</display-name>
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<!-- It searches all navalplanner-business-spring-config.xml files, it can found several. There must be at least one.
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It searches navalplanner-webapp-spring-config.xml. There must be just one.
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It searches navalplanner-override-spring-config.xml to override some previous definitions. There could be several or none.
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-->
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<context-param>
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<param-name>contextConfigLocation</param-name>
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<param-value>classpath*:/navalplanner-business-spring-config.xml classpath:/navalplanner-webapp-spring-config.xml classpath*:/navalplanner-override-spring-config.xml</param-value>
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</context-param>
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<!--
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It searches all navalplanner-business-spring-config.xml files, it can
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found several. There must be at least one. It searches
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navalplanner-webapp-spring-config.xml. There must be just one. It
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searches navalplanner-override-spring-config.xml to override some
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previous definitions. There could be several or none.
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-->
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<context-param>
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<param-name>contextConfigLocation</param-name>
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<param-value>classpath*:/navalplanner-business-spring-config.xml classpath:/navalplanner-webapp-spring-config.xml classpath*:/navalplanner-override-spring-config.xml</param-value>
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</context-param>
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<!-- /// -->
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<!-- DSP -->
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<servlet>
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<description><![CDATA[The servlet loads the DSP pages.]]></description>
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<servlet-name>dspLoader</servlet-name>
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<servlet-class>org.zkoss.web.servlet.dsp.InterpreterServlet</servlet-class>
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</servlet>
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<servlet-mapping>
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<servlet-name>dspLoader</servlet-name>
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<url-pattern>*.dsp</url-pattern>
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</servlet-mapping>
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<!-- /// -->
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<!-- /// -->
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<!-- DSP -->
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<servlet>
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<description><![CDATA[The servlet loads the DSP pages.]]></description>
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<servlet-name>dspLoader</servlet-name>
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<servlet-class>org.zkoss.web.servlet.dsp.InterpreterServlet</servlet-class>
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</servlet>
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<servlet-mapping>
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<servlet-name>dspLoader</servlet-name>
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<url-pattern>*.dsp</url-pattern>
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</servlet-mapping>
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<!-- /// -->
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<!-- //// -->
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<!-- ZK -->
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<listener>
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<description>Used to cleanup when a session is destroyed</description>
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<display-name>ZK Session Cleaner</display-name>
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<listener-class>org.zkoss.zk.ui.http.HttpSessionListener</listener-class>
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</listener>
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<!-- Spring listeners -->
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<!-- //// -->
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<!-- ZK -->
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<listener>
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<description>Used to cleanup when a session is destroyed</description>
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<display-name>ZK Session Cleaner</display-name>
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<listener-class>org.zkoss.zk.ui.http.HttpSessionListener</listener-class>
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</listener>
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<listener>
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<listener-class>
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org.springframework.web.context.ContextLoaderListener</listener-class>
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</listener>
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<!-- Spring listeners -->
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<listener>
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<listener-class>org.springframework.web.context.request.RequestContextListener</listener-class>
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</listener>
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<!-- end Spring listeners -->
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<servlet>
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<description>ZK loader for ZUML pages</description>
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<servlet-name>zkLoader</servlet-name>
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<servlet-class>org.zkoss.zk.ui.http.DHtmlLayoutServlet</servlet-class>
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<!--
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Must. Specifies URI of the update engine
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(DHtmlUpdateServlet). It must be the same as <url-pattern>
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for the update engine.
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-->
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<init-param>
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<param-name>update-uri</param-name>
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<param-value>/zkau</param-value>
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</init-param>
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<load-on-startup>1</load-on-startup>
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</servlet>
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<servlet-mapping>
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<servlet-name>zkLoader</servlet-name>
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<url-pattern>*.zul</url-pattern>
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</servlet-mapping>
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<servlet-mapping>
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<servlet-name>zkLoader</servlet-name>
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<url-pattern>*.zhtml</url-pattern>
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</servlet-mapping>
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<servlet>
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<description>The asynchronous update engine for ZK</description>
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<servlet-name>auEngine</servlet-name>
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<servlet-class>org.zkoss.zk.au.http.DHtmlUpdateServlet</servlet-class>
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</servlet>
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<servlet-mapping>
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<servlet-name>auEngine</servlet-name>
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<url-pattern>/zkau/*</url-pattern>
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</servlet-mapping>
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<!-- //// -->
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<listener>
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<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
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</listener>
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<listener>
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<listener-class>
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org.springframework.web.context.request.RequestContextListener</listener-class>
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</listener>
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<!-- end Spring listeners -->
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<servlet>
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<description>ZK loader for ZUML pages</description>
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<servlet-name>zkLoader</servlet-name>
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<servlet-class>org.zkoss.zk.ui.http.DHtmlLayoutServlet</servlet-class>
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<!--
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Must. Specifies URI of the update engine (DHtmlUpdateServlet). It
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must be the same as <url-pattern> for the update engine.
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-->
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<init-param>
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<param-name>update-uri</param-name>
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<param-value>/zkau</param-value>
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</init-param>
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<load-on-startup>1</load-on-startup>
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</servlet>
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<servlet-mapping>
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<servlet-name>zkLoader</servlet-name>
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<url-pattern>*.zul</url-pattern>
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</servlet-mapping>
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<servlet-mapping>
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<servlet-name>zkLoader</servlet-name>
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<url-pattern>*.zhtml</url-pattern>
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</servlet-mapping>
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<servlet>
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<description>The asynchronous update engine for ZK</description>
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<servlet-name>auEngine</servlet-name>
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<servlet-class>org.zkoss.zk.au.http.DHtmlUpdateServlet</servlet-class>
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</servlet>
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<servlet-mapping>
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<servlet-name>auEngine</servlet-name>
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<url-pattern>/zkau/*</url-pattern>
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</servlet-mapping>
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<!-- //// -->
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<welcome-file-list>
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<welcome-file>/planner/main.zul</welcome-file>
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</welcome-file-list>
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<error-page>
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<exception-type>java.lang.Throwable</exception-type>
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<location>/common/error.zul</location>
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</error-page>
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<welcome-file-list>
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<welcome-file>/planner/main.zul</welcome-file>
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</welcome-file-list>
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</web-app>
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@ -1,5 +1,11 @@
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<zk>
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<log>
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<log-base></log-base>
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</log>
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<log>
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<log-base></log-base>
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</log>
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<error-page>
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<exception-type>java.lang.Throwable
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</exception-type>
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<location>/common/event_error.zul</location>
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</error-page>
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</zk>
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12
navalplanner-webapp/src/main/webapp/common/error.jsp
Normal file
12
navalplanner-webapp/src/main/webapp/common/error.jsp
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<%@ page language="java" contentType="text/html; charset=UTF-8"
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pageEncoding="UTF-8"%>
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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
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<title>Insert title here</title>
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</head>
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<body>
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</body>
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</html>
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14
navalplanner-webapp/src/main/webapp/common/error.zul
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14
navalplanner-webapp/src/main/webapp/common/error.zul
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<zk>
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<caption>
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Erro ${requestScope['javax.servlet.error.status_code']}
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</caption>
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<vbox apply="org.navalplanner.web.error.PageForErrorOnEvent">
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Prodúxose un erro na execución:
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"${requestScope['javax.servlet.error.message']}". O erro
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gardouse e procurarase arreglalo no menor tempo posible.
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<hbox style="margin-left:auto; margin-right:auto">
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<button id="reload" label="Reload" />
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<button id="quitSession" label="Exit Session"></button>
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</hbox>
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</vbox>
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</zk>
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14
navalplanner-webapp/src/main/webapp/common/event_error.zul
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14
navalplanner-webapp/src/main/webapp/common/event_error.zul
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<window title="Erro ${requestScope['javax.servlet.error.status_code']}"
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width="400px" border="normal" mode="modal"
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apply="org.navalplanner.web.error.PageForErrorOnEvent">
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<vbox>
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Prodúxose un erro na execución:
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"${requestScope['javax.servlet.error.message']}". O erro
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gardouse e procurarase arreglalo no menor tempo posible.
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<hbox style="margin-left:auto; margin-right:auto">
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<button id="continueWorking" label="Continue" />
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<button id="reload" label="Reload" />
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<button id="quitSession" label="Exit Session"></button>
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</hbox>
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</vbox>
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</window>
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