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An existing resource has been found at location:tomcat 问题的解决办法

1.修改项目名称方法:首先修改项目中.project文件的name属性 
<projectDescription> 
<name>echo1</name> 
.................

.... 
然后在项目部署到tomcat中的时候出现以下错误:
An existing resource has been found at location....


2.修改.mymetdata文件中的context-root="/echo"将其中“echo”修改成你修改后的项目名称,最后记得要重起eclipse,重新布署项目就不会出现上面的错误了。 
.mymetdata内容如下: 
<?xml version="1.0" encoding="UTF-8"?> 
<project-module 
  type="WEB" 
  name="echo" 
  id="myeclipse.1217645899031" 
  context-root="/echo" 
  j2ee-spec="1.4" 
  archive="echo.war"> 
  <attributes> 
    <attribute name="webrootdir" value="http://www.mamicode.com/WebRoot" /> 
  </attributes> 
</project-module>
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An existing resource has been found at location:tomcat 问题的解决办法