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我正在运行 Tomcat 6.0.36。在控制台中独立运行时，服务器运行良好。我还将 Eclipse 配置为能够运行它，以便我可以调试。配置成功完成，没有错误。但是，当我运行服务器时，我无法http://localhost:8080在浏览器中访问（得到 404）。

这是 Eclipse 跟踪：

Feb 27, 2013 6:02:53 PM org.apache.catalina.core.AprLifecycleListener init
INFO: The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: <my path>
Feb 27, 2013 6:02:53 PM org.apache.coyote.http11.Http11Protocol init
INFO: Initializing Coyote HTTP/1.1 on http-8080
Feb 27, 2013 6:02:53 PM org.apache.catalina.startup.Catalina load
INFO: Initialization processed in 294 ms
Feb 27, 2013 6:02:53 PM org.apache.catalina.core.StandardService start
INFO: Starting service Catalina
Feb 27, 2013 6:02:53 PM org.apache.catalina.core.StandardEngine start
INFO: Starting Servlet Engine: Apache Tomcat/6.0.36
Feb 27, 2013 6:02:53 PM org.apache.coyote.http11.Http11Protocol start
INFO: Starting Coyote HTTP/1.1 on http-8080
Feb 27, 2013 6:02:53 PM org.apache.jk.common.ChannelSocket init
INFO: JK: ajp13 listening on /0.0.0.0:8009
Feb 27, 2013 6:02:53 PM org.apache.jk.server.JkMain start
INFO: Jk running ID=0 time=0/16  config=null
Feb 27, 2013 6:02:53 PM org.apache.catalina.startup.Catalina start
INFO: Server startup in 164 ms

控制台跟踪如下：

Feb 27, 2013 6:02:00 PM org.apache.catalina.core.AprLifecycleListener init
INFO: Loaded APR based Apache Tomcat Native library 1.1.23 using APR version 1.4.6.
Feb 27, 2013 6:02:00 PM org.apache.catalina.core.AprLifecycleListener init
INFO: APR capabilities: IPv6 [true], sendfile [true], accept filters [false], random [true].
Feb 27, 2013 6:02:01 PM org.apache.catalina.core.AprLifecycleListener initializeSSL
INFO: OpenSSL successfully initialized with version OpenSSL 1.0.0g 18 Jan 2012
Feb 27, 2013 6:02:01 PM org.apache.coyote.http11.Http11AprProtocol init
INFO: Initializing Coyote HTTP/1.1 on http-8080
Feb 27, 2013 6:02:01 PM org.apache.coyote.ajp.AjpAprProtocol init
INFO: Initializing Coyote AJP/1.3 on ajp-8009
Feb 27, 2013 6:02:01 PM org.apache.catalina.startup.Catalina load
INFO: Initialization processed in 1026 ms
Feb 27, 2013 6:02:01 PM org.apache.catalina.core.StandardService start
INFO: Starting service Catalina
Feb 27, 2013 6:02:01 PM org.apache.catalina.core.StandardEngine start
INFO: Starting Servlet Engine: Apache Tomcat/6.0.36
Feb 27, 2013 6:02:01 PM org.apache.catalina.startup.HostConfig deployDescriptor
INFO: Deploying configuration descriptor host-manager.xml
Feb 27, 2013 6:02:01 PM org.apache.catalina.startup.HostConfig deployDescriptor
INFO: Deploying configuration descriptor manager.xml
Feb 27, 2013 6:02:01 PM org.apache.catalina.startup.HostConfig deployDirectory
INFO: Deploying web application directory docs
Feb 27, 2013 6:02:01 PM org.apache.catalina.startup.HostConfig deployDirectory
INFO: Deploying web application directory examples
Feb 27, 2013 6:02:01 PM org.apache.catalina.startup.HostConfig deployDirectory
INFO: Deploying web application directory ROOT
Feb 27, 2013 6:02:01 PM org.apache.coyote.http11.Http11AprProtocol start
INFO: Starting Coyote HTTP/1.1 on http-8080
Feb 27, 2013 6:02:01 PM org.apache.coyote.ajp.AjpAprProtocol start
INFO: Starting Coyote AJP/1.3 on ajp-8009
Feb 27, 2013 6:02:01 PM org.apache.catalina.startup.Catalina start
INFO: Server startup in 341 ms

我注意到的第一件事是 Eclipse 跟踪的第二行：

INFO: The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path

而运行良好的控制台跟踪报告

INFO: Loaded APR based Apache Tomcat Native library 1.1.23 using APR version 1.4.6.

APR 真的有问题吗？如果是，我该如何修复它以使 Eclipse 服务器使用与控制台相同的库？

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APR 不是问题。当您从 eclipse 启动 tomcat 时，eclipse 会“覆盖”一些服务器配置（您也可以直接从 eclipse 中的 package/project explorer 下的“Server”项目中更改配置文件）。

如果你想访问你的 tomcat 的根目录，你可以双击服务器（当所有项目都被删除时）并选择显示Takes control of Tomcat installation. 然后保存，重新启动服务器，您将能够在localhost没有部署任何应用程序的情况下访问。

PS这里已经有更详细的解释

于 2013-02-28T01:08:54.910 回答