Tech : 终于可以显示 Servlet 了

本文介绍在使用MyEclipse创建J2EE Web项目并部署到JBoss 4.04与Tomcat 5.0的过程中遇到的问题及解决办法。主要讨论了servlet-mapping配置不当导致无法正确访问的问题,并给出了正确的配置示例。

对于一个弱鸟来说,不简单啊, Jboss4.04 + Tomcat5.0. 用Myeclipse先创建一个j2ee web project,比如"Servtest" . 然后添加一个myeclipse 的 servlet,
比如 "TestFeng",MyEclipse 在 web.xml中创建的下面这个有点问题:(url-pattern 加了一个 /servlet/, 到后面没法显示,不知道为什么)
  <servlet-mapping>
    <servlet-name>TestFeng</servlet-name>
    <url-pattern>/servlet/TestFeng</url-pattern>
  </servlet-mapping>

改为:
    <url-pattern>/TestFeng</url-pattern> 
   
Deploy:

然后就可以显示了:
http://localhost:8080/Servtest/TestFeng   

org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'initPowerJob' defined in class path resource [tech/powerjob/worker/autoconfigure/PowerJobAutoConfiguration.class]: Invocation of init method failed; nested exception is java.util.concurrent.ExecutionException: java.net.BindException: Address already in use: bind at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1804) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:620) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:542) at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:335) at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234) at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:333) at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:208) at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:955) at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:929) at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:591) at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:147) at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:732) at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:409) at org.springframework.boot.SpringApplication.run(SpringApplication.java:308) at org.springframework.boot.SpringApplication.run(SpringApplication.java:1300) at org.springframework.boot.SpringApplication.run(SpringApplication.java:1289) at cn.asiic.erp.so.Application.main(Application.java:13) Caused by: java.util.concurrent.ExecutionException: java.net.BindException: Address already in use: bind at java.base/java.util.concurrent.CompletableFuture.reportGet(CompletableFuture.java:395) at java.base/java.util.concurrent.CompletableFuture.get(CompletableFuture.java:2022) at tech.powerjob.remote.http.HttpVertxCSInitializer.bindHandlers(HttpVertxCSInitializer.java:117) at tech.powerjob.remote.framework.engine.impl.PowerJobRemoteEngine.start(PowerJobRemoteEngine.java:55) at tech.powerjob.worker.PowerJobWorker.init(PowerJobWorker.java:113) at tech.powerjob.worker.PowerJobSpringWorker.afterPropertiesSet(PowerJobSpringWorker.java:40) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1863) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1800) ... 16 common frames omitted Caused by: java.net.BindException: Address already in use: bind at java.base/sun.nio.ch.Net.bind0(Native Method) at java.base/sun.nio.ch.Net.bind(Net.java:459) at java.base/sun.nio.ch.Net.bind(Net.java:448) at java.base/sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:227) at io.netty.channel.socket.nio.NioServerSocketChannel.doBind(NioServerSocketChannel.java:141) at io.netty.channel.AbstractChannel$AbstractUnsafe.bind(AbstractChannel.java:562) at io.netty.channel.DefaultChannelPipeline$HeadContext.bind(DefaultChannelPipeline.java:1334) at io.netty.channel.AbstractChannelHandlerContext.invokeBind(AbstractChannelHandlerContext.java:600) at io.netty.channel.AbstractChannelHandlerContext.bind(AbstractChannelHandlerContext.java:579) at io.netty.channel.DefaultChannelPipeline.bind(DefaultChannelPipeline.java:973) at io.netty.channel.AbstractChannel.bind(AbstractChannel.java:260) at io.netty.bootstrap.AbstractBootstrap$2.run(AbstractBootstrap.java:380) at io.netty.util.concurrent.AbstractEventExecutor.runTask$$$capture(AbstractEventExecutor.java:173) at io.netty.util.concurrent.AbstractEventExecutor.runTask(AbstractEventExecutor.java) at io.netty.util.concurrent.AbstractEventExecutor.safeExecute$$$capture(AbstractEventExecutor.java:166) at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java) at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasksFrom(SingleThreadEventExecutor.java:426) at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:375) at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:557) at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997) at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) at java.base/java.lang.Thread.run(Thread.java:834)
最新发布
08-16
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