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如果WebAppContext无法启动，如何取消启动或关闭jetty

本文介绍了如果WebAppContext无法启动，如何取消启动或关闭jetty的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！

问题描述

限时删除！！

我正在使用Maven Jetty插件，如果任何bean失败，有没有办法阻止服务器启动或关闭（例如使用maven-jetty-plugin）？

I am using Maven Jetty Plugin, is there a way to prevent the server from starting up or shutting down (for example with maven-jetty-plugin) if ANY bean fails?

以下是一个例子：

2013-04-22 11:43:59.327:WARN:oejw.WebAppContext:main: Failed startup of context o.e.j.m.p.JettyWebAppContext@9a681a{/,file:/opt/bamboo/bamboo-home/xml-data/build-dir/APA-BC-JETTYAPA/src/main/webapp/,STARTING}{file:/opt/bamboo/bamboo-home/xml-data/build-dir/APA-BC-JETTYAPA/src/main/webapp/}
org.springframework.beans.factory.BeanDefinitionStoreException: Unexpected exception parsing XML document from ServletContext resource [/WEB-INF/classes/applicationContext.xml]; nested exception is org.springframework.context.annotation.ConflictingBeanDefinitionException: Annotation-specified bean name 'staticDataService' for bean class [com.etermax.common.service.StaticDataService] conflicts with existing, non-compatible bean definition of same name and class [com.etermax.bingo.api.service.BingoStaticDataService]
        at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.doLoadBeanDefinitions(XmlBeanDefinitionReader.java:412)
        at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:334)
        at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:302)
        at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:174)
        at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:209)
        at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:180)
        at org.springframework.web.context.support.XmlWebApplicationContext.loadBeanDefinitions(XmlWebApplicationContext.java:124)
        at org.springframework.web.context.support.XmlWebApplicationContext.loadBeanDefinitions(XmlWebApplicationContext.java:93)
        at org.springframework.context.support.AbstractRefreshableApplicationContext.refreshBeanFactory(AbstractRefreshableApplicationContext.java:130)
        at org.springframework.context.support.AbstractApplicationContext.obtainFreshBeanFactory(AbstractApplicationContext.java:537)
        at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:451)
        at org.springframework.web.context.ContextLoader.createWebApplicationContext(ContextLoader.java:272)
        at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:196)
        at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:47)
        at org.eclipse.jetty.server.handler.ContextHandler.callContextInitialized(ContextHandler.java:778)
        at org.eclipse.jetty.servlet.ServletContextHandler.callContextInitialized(ServletContextHandler.java:425)
        at org.eclipse.jetty.server.handler.ContextHandler.startContext(ContextHandler.java:770)
        at org.eclipse.jetty.servlet.ServletContextHandler.startContext(ServletContextHandler.java:275)
        at org.eclipse.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1312)
        at org.eclipse.jetty.server.handler.ContextHandler.doStart(ContextHandler.java:722)
        at org.eclipse.jetty.webapp.WebAppContext.doStart(WebAppContext.java:490)
        at org.eclipse.jetty.maven.plugin.JettyWebAppContext.doStart(JettyWebAppContext.java:275)
        at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:69)
        at org.eclipse.jetty.util.component.ContainerLifeCycle.start(ContainerLifeCycle.java:108)
        at org.eclipse.jetty.util.component.ContainerLifeCycle.doStart(ContainerLifeCycle.java:90)
        at org.eclipse.jetty.server.handler.AbstractHandler.doStart(AbstractHandler.java:58)
        at org.eclipse.jetty.server.handler.ContextHandlerCollection.doStart(ContextHandlerCollection.java:175)
        at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:69)
        at org.eclipse.jetty.util.component.ContainerLifeCycle.start(ContainerLifeCycle.java:108)
        at org.eclipse.jetty.util.component.ContainerLifeCycle.doStart(ContainerLifeCycle.java:90)
        at org.eclipse.jetty.server.handler.AbstractHandler.doStart(AbstractHandler.java:58)
        at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:69)
        at org.eclipse.jetty.util.component.ContainerLifeCycle.start(ContainerLifeCycle.java:108)
        at org.eclipse.jetty.server.Server.start(Server.java:346)
        at org.eclipse.jetty.util.component.ContainerLifeCycle.doStart(ContainerLifeCycle.java:90)
        at org.eclipse.jetty.server.handler.AbstractHandler.doStart(AbstractHandler.java:58)
        at org.eclipse.jetty.server.Server.doStart(Server.java:294)
        at org.eclipse.jetty.maven.plugin.JettyServer.doStart(JettyServer.java:78)
        at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:69)
        at org.eclipse.jetty.maven.plugin.AbstractJettyMojo.startJetty(AbstractJettyMojo.java:537)
        at org.eclipse.jetty.maven.plugin.AbstractJettyMojo.execute(AbstractJettyMojo.java:352)
        at org.eclipse.jetty.maven.plugin.JettyRunMojo.execute(JettyRunMojo.java:167)
        at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:101)
        at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:209)
        at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153)
        at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145)
        at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:84)
        at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:59)
        at org.apache.maven.lifecycle.internal.LifecycleStarter.singleThreadedBuild(LifecycleStarter.java:183)
        at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:161)
        at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:320)
        at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:156)
        at org.apache.maven.cli.MavenCli.execute(MavenCli.java:537)
        at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:196)
        at org.apache.maven.cli.MavenCli.main(MavenCli.java:141)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:601)
        at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:290)
        at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:230)
        at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:409)
        at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:352)
Caused by:
org.springframework.context.annotation.ConflictingBeanDefinitionException: Annotation-specified bean name 'staticDataService' for bean class [com.etermax.common.service.StaticDataService] conflicts with existing, non-compatible bean definition of same name and class [com.etermax.bingo.api.service.BingoStaticDataService]
        at org.springframework.context.annotation.ClassPathBeanDefinitionScanner.checkCandidate(ClassPathBeanDefinitionScanner.java:312)
        at org.springframework.context.annotation.ClassPathBeanDefinitionScanner.doScan(ClassPathBeanDefinitionScanner.java:253)
        at org.springframework.context.annotation.ComponentScanBeanDefinitionParser.parse(ComponentScanBeanDefinitionParser.java:84)
        at org.springframework.beans.factory.xml.NamespaceHandlerSupport.parse(NamespaceHandlerSupport.java:73)
        at org.springframework.beans.factory.xml.BeanDefinitionParserDelegate.parseCustomElement(BeanDefinitionParserDelegate.java:1438)
        at org.springframework.beans.factory.xml.BeanDefinitionParserDelegate.parseCustomElement(BeanDefinitionParserDelegate.java:1428)
        at org.springframework.beans.factory.xml.DefaultBeanDefinitionDocumentReader.parseBeanDefinitions(DefaultBeanDefinitionDocumentReader.java:184)
        at org.springframework.beans.factory.xml.DefaultBeanDefinitionDocumentReader.doRegisterBeanDefinitions(DefaultBeanDefinitionDocumentReader.java:140)
        at org.springframework.beans.factory.xml.DefaultBeanDefinitionDocumentReader.registerBeanDefinitions(DefaultBeanDefinitionDocumentReader.java:111)
        at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.registerBeanDefinitions(XmlBeanDefinitionReader.java:493)
        at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.doLoadBeanDefinitions(XmlBeanDefinitionReader.java:390)
        at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:334)
        at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:302)
        at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:174)
        at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:209)
        at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:180)
        at org.springframework.web.context.support.XmlWebApplicationContext.loadBeanDefinitions(XmlWebApplicationContext.java:124)
        at org.springframework.web.context.support.XmlWebApplicationContext.loadBeanDefinitions(XmlWebApplicationContext.java:93)
        at org.springframework.context.support.AbstractRefreshableApplicationContext.refreshBeanFactory(AbstractRefreshableApplicationContext.java:130)
        at org.springframework.context.support.AbstractApplicationContext.obtainFreshBeanFactory(AbstractApplicationContext.java:537)
        at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:451)
        at org.springframework.web.context.ContextLoader.createWebApplicationContext(ContextLoader.java:272)
        at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:196)
        at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:47)
        at org.eclipse.jetty.server.handler.ContextHandler.callContextInitialized(ContextHandler.java:778)
        at org.eclipse.jetty.servlet.ServletContextHandler.callContextInitialized(ServletContextHandler.java:425)
        at org.eclipse.jetty.server.handler.ContextHandler.startContext(ContextHandler.java:770)
        at org.eclipse.jetty.servlet.ServletContextHandler.startContext(ServletContextHandler.java:275)
        at org.eclipse.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1312)
        at org.eclipse.jetty.server.handler.ContextHandler.doStart(ContextHandler.java:722)
        at org.eclipse.jetty.webapp.WebAppContext.doStart(WebAppContext.java:490)
        at org.eclipse.jetty.maven.plugin.JettyWebAppContext.doStart(JettyWebAppContext.java:275)
        at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:69)
        at org.eclipse.jetty.util.component.ContainerLifeCycle.start(ContainerLifeCycle.java:108)
        at org.eclipse.jetty.util.component.ContainerLifeCycle.doStart(ContainerLifeCycle.java:90)
        at org.eclipse.jetty.server.handler.AbstractHandler.doStart(AbstractHandler.java:58)
        at org.eclipse.jetty.server.handler.ContextHandlerCollection.doStart(ContextHandlerCollection.java:175)
        at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:69)
        at org.eclipse.jetty.util.component.ContainerLifeCycle.start(ContainerLifeCycle.java:108)
        at org.eclipse.jetty.util.component.ContainerLifeCycle.doStart(ContainerLifeCycle.java:90)
        at org.eclipse.jetty.server.handler.AbstractHandler.doStart(AbstractHandler.java:58)
        at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:69)
        at org.eclipse.jetty.util.component.ContainerLifeCycle.start(ContainerLifeCycle.java:108)
        at org.eclipse.jetty.server.Server.start(Server.java:346)
        at org.eclipse.jetty.util.component.ContainerLifeCycle.doStart(ContainerLifeCycle.java:90)
        at org.eclipse.jetty.server.handler.AbstractHandler.doStart(AbstractHandler.java:58)
        at org.eclipse.jetty.server.Server.doStart(Server.java:294)
        at org.eclipse.jetty.maven.plugin.JettyServer.doStart(JettyServer.java:78)
        at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:69)
        at org.eclipse.jetty.maven.plugin.AbstractJettyMojo.startJetty(AbstractJettyMojo.java:537)
        at org.eclipse.jetty.maven.plugin.AbstractJettyMojo.execute(AbstractJettyMojo.java:352)
        at org.eclipse.jetty.maven.plugin.JettyRunMojo.execute(JettyRunMojo.java:167)
        at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:101)
        at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:209)
        at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153)
        at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145)
        at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:84)
        at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:59)
        at org.apache.maven.lifecycle.internal.LifecycleStarter.singleThreadedBuild(LifecycleStarter.java:183)
        at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:161)
        at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:320)
        at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:156)
        at org.apache.maven.cli.MavenCli.execute(MavenCli.java:537)
        at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:196)
        at org.apache.maven.cli.MavenCli.main(MavenCli.java:141)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:601)
        at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:290)
        at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:230)
        at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:409)
        at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:352)
2013-04-22 11:43:59.349:INFO:oejs.ServerConnector:main: Started ServerConnector@e08f5f{HTTP/1.1}{0.0.0.0:8083}

我希望服务器关机。我知道有一种方法涉及在每个bean中编写destroy方法，但是我想要任何bean的全局内容。

I'd like the server to shutdown. I know there's a way that involves coding the destroy method in each bean, but i'd like something global for any bean.

推荐答案

要做到这一点并不容易。从jetty的源代码中找到所需信息需要花费几个小时的努力。

This wasn't easy to thing to accomplish. It took few hours of hard work to find the required information from jetty's source code.

这是我的简单测试应用程序在HttpServlet init方法上抛出ServletException的解决方案。成功的关键是将ServletHandler的startWithUnavailable属性设置为false。

Here's the solution that worked with my simple test application that threw ServletException on HttpServlet init method. The key to the success is to set ServletHandler's startWithUnavailable property to false.

pom.xml：

<plugin>
    <groupId>org.mortbay.jetty</groupId>
    <artifactId>jetty-maven-plugin</artifactId>
    <version>8.1.10.v20130312</version>
    <configuration>
        <contextXml>src/main/resources/context.xml</contextXml>
        <webAppConfig>
            <throwUnavailableOnStartupException>true</throwUnavailableOnStartupException>
        </webAppConfig>
    </configuration>
</plugin>

context.xml：

context.xml:

<?xml version="1.0"?>
<!DOCTYPE Configure PUBLIC "-//Mort Bay Consulting//DTD Configure//EN" "http://jetty.mortbay.org/configure.dtd">
<Configure>
    <Set name="throwUnavailableOnStartupException">true</Set>
    <Set name="servletHandler">
        <New class="org.eclipse.jetty.servlet.ServletHandler">
            <Set name="startWithUnavailable">false</Set>
        </New>
    </Set>
</Configure>

TestServlet.java：

TestServlet.java:

public class TestServlet extends HttpServlet {
    private static final long serialVersionUID = 1L;

    @Override
    public void init() throws ServletException {
        super.init();
        throw new ServletException("FAIL!");
    }

    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp)
            throws ServletException, IOException {
    }
}

这篇关于如果WebAppContext无法启动，如何取消启动或关闭jetty的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持！

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