eclipse中tomcat启动失败_course

使用tomcat启动maven项目时，出现以下错误： 请大神看看这是什么情况！！多谢！！

tomcat eclipse启动tomcat失败了，刚开始学这个，希望有人帮忙看下_course

刚开始在eclipse里面安装tomcat，tomcat放在F盘下，前面添加的步骤都按照网上教程弄了，应该没有什么错误，不过在写好代码，准备要运行的时候，不知道如何操作， 下面几张图片图片说明](https://img-ask.csdn.net/upload/201512/28/1451294070_358955.png)图片说明](https://img-ask.csdn.net/upload/201512/28/1451294066_290779.png)图片说明](https://img-ask.csdn.net/upload/201512/28/1451294060_509926.png) 不知道哪里错误了，弹出红框。

eclipse java 在服务器上运行出现问题_course

项目结构： 服务器启动情况： 三月 01, 2017 10:19:24 上午 org.apache.catalina.startup.VersionLoggerListener log 信息: Ser

eclipse中tomcat无法使用，Tomcat启动不成功_course

Tomcat启动不成功提示：windows不能在本地计算机启动Apache Tomcat 我的eclipse，jdk全都是64位的，不存在不匹配的问题吧 然后就不知道是哪里的问题，在eclipse里面

在eclipse下启动tomcat服务器时出现如下错误，请帮忙解决_course

Bootstrap: Class loader creation threw exception java.lang.ExceptionInInitializerError at org.apache

eclipse中，使用tomcat插件启动tomcat报错_course

具体错误： SEVERE: ContainerBase.addChild: start: org.apache.catalina.LifecycleException: Failed to start component [/manager] at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:154) at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:901) at org.apache.catalina.core.ContainerBase.access$000(ContainerBase.java:133) at org.apache.catalina.core.ContainerBase$PrivilegedAddChild.run (ContainerBase.java:156) at org.apache.catalina.core.ContainerBase$PrivilegedAddChild.run (ContainerBase.java:145) at java.security.AccessController.doPrivileged(Native Method) at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:875) at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:649) at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1245) at org.apache.catalina.startup.HostConfig$DeployDirectory.run(HostConfig.java:1895) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) at java.util.concurrent.FutureTask.run(FutureTask.java:262) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:745) Caused by: org.apache.catalina.LifecycleException: Failed to process either the global, per-host or context-specific context.xml file therefore the [/manager] Context cannot be started. at org.apache.catalina.startup.FailedContext.startInternal(FailedContext.java:158) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150) ... 14 more 四月 24, 2015 4:05:59 上午 org.apache.catalina.startup.HostConfig deployDirectory SEVERE: Error deploying web application directory D:\Tomcat 7.0\webapps\manager java.lang.IllegalStateException: ContainerBase.addChild: start: org.apache.catalina.LifecycleException: Failed to start component [/manager] at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:904) at org.apache.catalina.core.ContainerBase.access$000(ContainerBase.java:133) at org.apache.catalina.core.ContainerBase$PrivilegedAddChild.run (ContainerBase.java:156) at org.apache.catalina.core.ContainerBase$PrivilegedAddChild.run (ContainerBase.java:145) at java.security.AccessController.doPrivileged(Native Method) at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:875) at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:649) at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1245) at org.apache.catalina.startup.HostConfig$DeployDirectory.run(HostConfig.java:1895) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) at java.util.concurrent.FutureTask.run(FutureTask.java:262) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:745) 使用tomcat插件就报错，但是可以启动，不用tomcat插件是没问题的 上面还有一行没整明白怎么回事 SEVERE: The web application with context path [/manager] was not deployed because it contained a deployment descriptor [D:\Tomcat 7.0\webapps\manager\META-INF\context.xml] which may include configuration necessary for the secure deployment of the application but processing of deployment descriptors is prevented by the deployXML setting of this host. An appropriate descriptor should be created at [D:\Tomcat 7.0\conf\Catalina\localhost\manager.xml] to deploy this application.

<Tomcat><Eclipse>使用Eclipse启动Tomcat失败。求解决方法_course

之前一直都是好好的，不知道怎么突然就不行了，Java，Tomcat,Eclipse,都重新安装配置过了，还是不行，难道要让我重装系统吗？求解啊！ 这是Eclipse控制台的输出： 严重: A chil

eclipse启动tomcat时报错是怎么回事，我之前运行也没事_course

弹出的提示框里是：Server Tomcat v9.0 Server at localhost failed to start. eclipse控制台出现的是：-Djava.endorsed.dirs=F:\apache-tomcat-9.0.12\endorsed is not supported. Endorsed standards and standalone APIs in modular form will be supported via the concept of upgradeable modules. 我的tomcat是一个文件，然后用eclipse配置上去的 和这个问题好像差不多，但是不知道怎么解决https://bbs.csdn.net/topics/391847806 但是电脑重启没用，还是报错 在eclipse修改server的端口号也没用

在eclipse中启动tomcat后出现如下错误_course

[CONSOLE] 2017-10-23 21:27:54,530 - org.springframework.web.context.ContextLoader -1 [localhost-startStop-1] ERROR org.springframework.web.context.ContextLoader - Context initialization failed org.springframework.beans.factory.CannotLoadBeanClassException: Error loading class [com.media.controller.UserController] for bean with name 'userController' defined in file [C:\Program Files\Apache Software Foundation\Tomcat 7.0\wtpwebapps\editor\WEB-INF\classes\com\media\controller\UserController.class]: problem with class file or dependent class; nested exception is java.lang.UnsupportedClassVersionError: com/media/controller/UserController : Unsupported major.minor version 52.0 (unable to load class com.media.controller.UserController) at org.springframework.beans.factory.support.AbstractBeanFactory.resolveBeanClass(AbstractBeanFactory.java:1330) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.predictBeanType(AbstractAutowireCapableBeanFactory.java:594) at org.springframework.beans.factory.support.AbstractBeanFactory.isFactoryBean(AbstractBeanFactory.java:1396) at org.springframework.beans.factory.support.AbstractBeanFactory.isFactoryBean(AbstractBeanFactory.java:959) at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:683) at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:760) at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:482) at org.springframework.web.context.ContextLoader.configureAndRefreshWebApplicationContext(ContextLoader.java:403) at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:306) at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:106) at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:5118) at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5634) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145) at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:899) at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:875) at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:652) at org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:679) at org.apache.catalina.startup.HostConfig$DeployDescriptor.run(HostConfig.java:1966) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334) at java.util.concurrent.FutureTask.run(FutureTask.java:166) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:722) Caused by: java.lang.UnsupportedClassVersionError: com/media/controller/UserController : Unsupported major.minor version 52.0 (unable to load class com.media.controller.UserController) at org.apache.catalina.loader.WebappClassLoaderBase.findClassInternal(WebappClassLoaderBase.java:3200) at org.apache.catalina.loader.WebappClassLoaderBase.findClass(WebappClassLoaderBase.java:1373) at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1861) at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1735) at org.springframework.util.ClassUtils.forName(ClassUtils.java:247) at org.springframework.beans.factory.support.AbstractBeanDefinition.resolveBeanClass(AbstractBeanDefinition.java:395) at org.springframework.beans.factory.support.AbstractBeanFactory.doResolveBeanClass(AbstractBeanFactory.java:1348) at org.springframework.beans.factory.support.AbstractBeanFactory.resolveBeanClass(AbstractBeanFactory.java:1319) ... 23 more 十月 23, 2017 9:27:54 下午 org.apache.catalina.core.StandardContext listenerStart SEVERE: Exception sending context initialized event to listener instance of class org.springframework.web.context.ContextLoaderListener org.springframework.beans.factory.CannotLoadBeanClassException: Error loading class [com.media.controller.UserController] for bean with name 'userController' defined in file [C:\Program Files\Apache Software Foundation\Tomcat 7.0\wtpwebapps\editor\WEB-INF\classes\com\media\controller\UserController.class]: problem with class file or dependent class; nested exception is java.lang.UnsupportedClassVersionError: com/media/controller/UserController : Unsupported major.minor version 52.0 (unable to load class com.media.controller.UserController) at org.springframework.beans.factory.support.AbstractBeanFactory.resolveBeanClass(AbstractBeanFactory.java:1330) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.predictBeanType(AbstractAutowireCapableBeanFactory.java:594) at org.springframework.beans.factory.support.AbstractBeanFactory.isFactoryBean(AbstractBeanFactory.java:1396) at org.springframework.beans.factory.support.AbstractBeanFactory.isFactoryBean(AbstractBeanFactory.java:959) at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:683) at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:760) at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:482) at org.springframework.web.context.ContextLoader.configureAndRefreshWebApplicationContext(ContextLoader.java:403) at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:306) at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:106) at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:5118) at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5634) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:145) at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:899) at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:875) at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:652) at org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:679) at org.apache.catalina.startup.HostConfig$DeployDescriptor.run(HostConfig.java:1966) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334) at java.util.concurrent.FutureTask.run(FutureTask.java:166) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:722) Caused by: java.lang.UnsupportedClassVersionError: com/media/controller/UserController : Unsupported major.minor version 52.0 (unable to load class com.media.controller.UserController) at org.apache.catalina.loader.WebappClassLoaderBase.findClassInternal(WebappClassLoaderBase.java:3200) at org.apache.catalina.loader.WebappClassLoaderBase.findClass(WebappClassLoaderBase.java:1373) at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1861) at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1735) at org.springframework.util.ClassUtils.forName(ClassUtils.java:247) at org.springframework.beans.factory.support.AbstractBeanDefinition.resolveBeanClass(AbstractBeanDefinition.java:395) at org.springframework.beans.factory.support.AbstractBeanFactory.doResolveBeanClass(AbstractBeanFactory.java:1348) at org.springframework.beans.factory.support.AbstractBeanFactory.resolveBeanClass(AbstractBeanFactory.java:1319) ... 23 more

eclipse中Tomcat启动失败 有哪些原因？_course

我的eclipse 使用一直有点问题， 每次启动不是真正启动，用是可以用，但那个timeout时间走完了就停止了。 如果把时间设置很长，就是右下方那个启动进度条一直存在： 如果时间没走完手动停下服务，