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rt.jar是JAVA基础类库,dt.jar是关于运行环境的类库,tools.jar是工具类库 设置在classpath里是为了让你 import * --------------------------------------------------------------- web系统都用到tool.jar 你用winrar看看里面是什么内容啦 --------------------------------------------------------------- 1. rt.jar 默认就在 根classloader的加载路径里面 放在claspath是 ...
  昨天下了一个博客模板,导入到MyEclipse发布到Tomcat时会出现下的窗口: Deployment failure on Tomcat  6.x. Could not copy all resources to D:\Program Files\Apache Software Foundation\Tomcat 6.0\webapps\BlogOnline. If a file is locked, you can wait until the lock times out to redeploy, or stop the server and redeploy, or ...
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