通过eclipse运行项目时,无法启动tomcat，google了许久，答案太多。一直到此刻才得以解决
问题 在eclipse中配置了一个ssm项目,通过eclipse运行时，出现如下异常
org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/gmacs]] at org.apache.catalina.util.LifecycleBase.handleSubClassException(LifecycleBase.java:441) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:198) at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:752) at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:728) at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:734) at org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:596) at org.apache.catalina.startup.HostConfig$DeployDescriptor.run(HostConfig.java:1805) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75) at java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:112) at org.apache.catalina.startup.HostConfig.deployDescriptors(HostConfig.java:506) at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:405) at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1551) at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:284) at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:123) at org.apache.catalina.util.LifecycleBase.setStateInternal(LifecycleBase.java:424) at org.apache.catalina.util.LifecycleBase.setState(LifecycleBase.java:367) at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:976) at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:872) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1439) at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1429) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75) at java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:134) at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:953) at org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:262) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) at org.apache.catalina.core.StandardService.startInternal(StandardService.java:422) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) at org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:793) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) at org.apache.catalina.startup.Catalina.start(Catalina.java:655) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:355) at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:495)如何解决 打开tomcat安装目录,定位conf/server.xml 注意下面这一行。
<Context path="" docBase="..." reloadable="true"/>注释这一行。 最终
<!-- <Context path="" docBase="..." reloadable="true"/> -->原因 原因不清楚。
参考 context参数的解析http://blog.sina.com.cn/s/blog_4b3c1f950100olce.html https://stackoverflow.com/questions/28753473/org-apache-catalina-lifecycleexception-failed-to-start-component-standardserve
