Several ports (8005, 8080, 8009) required by Tomcat v7.0 Server at localhost are already in use. The server may already be running in another process, or a system process may be using the port. To start this server you will need to stop the other process or change the port number(s).问题

 

工具/原料

 
  • eclipse/myeclipse
  • tomcat

方法/步骤

 
  1.  

    在开发java web项目中,我们往往会遇到很多问题,例如启动tomcat时,报错Several ports (8005, 8080, 8009) required by Tomcat v7.0 Server at localhost are already in use.参考下图报错提示:

  2.  

    出现错误,我们首先的了解错误原因,英语能力较差者,可以通过百度搜索翻译,把错误的提示英文拿去翻译,参考下图。

  3.  

    通过百度翻译,可以了解到大概信息,毕竟百度翻译这种技术型的文档还并不够准确。通过翻译,大致了解到造成的原因是端口号被占用了。

  4.  

    tomcat控制端口,用于tomcat本身的功能控制等等,默认的是8005好像看你的server.xml配置文件,至少要修改这2个端口,如果用到了其他的附加组件,也需要提供相应空间的端口。参考下图

  5.  

    另一种方式是结束"javaw.exe"这个进程,然后重新启动tomcat,具体查找参考下图。

  6.  

    关闭"javaw.exe"这个进程,再次重启tomcat,你会发现并未再报错了。

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