安装了基于 APR 的 Apache Tomcat Native 库的不兼容版本 1.1.12，而 Tomcat 需要版本 1.1.17
我下载了 Apache Tomcat 7.x。当我在 Eclipse 中添加此 Tomcat 时，出现此错误：
Jan 25, 2011 3:21:05 PM org.apache.catalina.core.AprLifecycleListener init
SEVERE: An incompatible version 1.1.12 of the APR based Apache Tomcat Native library is installed, while Tomcat requires version 1.1.17
Jan 25, 2011 3:21:05 PM org.apache.catalina.core.AprLifecycleListener init
SEVERE: An incompatible version 1.1.12 of the APR based Apache Tomcat Native library is installed, while Tomcat requires version 1.1.17
Jan 25, 2011 3:21:05 PM org.apache.catalina.core.AprLifecycleListener init
SEVERE: An incompatible version 1.1.12 of the APR based Apache Tomcat Native library is installed, while Tomcat requires version 1.1.17
Jan 25, 2011 3:21:05 PM org.apache.catalina.core.AprLifecycleListener init
SEVERE: An incompatible version 1.1.12 of the APR based Apache Tomcat Native library is installed, while Tomcat requires version 1.1.17
Jan 25, 2011 3:21:05 PM org.apache.catalina.core.AprLifecycleListener init
SEVERE: An incompatible version 1.1.12 of the APR based Apache Tomcat Native library is installed, while Tomcat requires version 1.1.17
Jan 25, 2011 3:21:08 PM org.apache.coyote.AbstractProtocolHandler init
INFO: Initializing ProtocolHandler ["http-bio-8080"]
Jan 25, 2011 3:21:08 PM org.apache.coyote.AbstractProtocolHandler init
INFO: Initializing ProtocolHandler ["ajp-bio-8009"]
Jan 25, 2011 3:21:08 PM org.apache.catalina.startup.Catalina load
INFO: Initialization processed in 3054 ms
Jan 25, 2011 3:21:08 PM org.apache.catalina.core.StandardService startInternal
INFO: Starting service Catalina
Jan 25, 2011 3:21:08 PM org.apache.catalina.core.StandardEngine startInternal
INFO: Starting Servlet Engine: Apache Tomcat/7.0.6
Jan 25, 2011 3:21:08 PM org.apache.coyote.AbstractProtocolHandler start
INFO: Starting ProtocolHandler ["http-bio-8080"]
Jan 25, 2011 3:21:08 PM org.apache.coyote.AbstractProtocolHandler start
INFO: Starting ProtocolHandler ["ajp-bio-8009"]
Jan 25, 2011 3:21:08 PM org.apache.catalina.startup.Catalina start
INFO: Server startup in 251 ms
如何解决此问题？
当我打开 localhost:8080/manager/html 时，它显示以下错误：
HTTP Status 404 - /manager/html
type Status report
message /manager/html
description The requested resource (/manager/html) is not available.
Apache Tomcat/7.0.6
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第一个错误听起来肯定像是版本不匹配。 APR 库是一个在运行时根据您的路径链接的库（路径本身可以基于您执行 Tomcat 的位置）。听起来您有 Tomcat 6 的 APR 库。Eclipse 可能提供此 APR 库。
Tomcat 附带了 APR 库，但为了简化安装，Tomcat 不会自动修改指向 APR 库的路径。 Eclipse Tomcat 集成可能（我不确定这一点，之前没有使用过该集成）包含 APR 库，以便更轻松地使用 Tomcat。
检查并确保 Eclipse 未配置为使用早期版本的 Tomcat，如果是，请将 Eclipse 升级到 Tomcat 7 或将 Tomcat 降级到 Eclipse 中指定的版本。
如果您无法弄清楚，那么您目前不必担心。无论如何，Tomcat 应该在没有 APR 库的情况下工作。您从 APR 库中获得的唯一好处是性能的提高，因为这可能是您项目的开始，无需立即解决。
第二个问题，/manager/页面，可能是Tomcat配置。 Tomcat 实际上不会显示管理器页面（并且会给您该错误），除非用户已配置 经理权限。
尝试仅访问 / （即 http://localhost:8080），无论用户配置如何，该页面都应该加载。
The first error certainly sounds like a version mismatch. The APR library is a library linked in at runtime based on your path (which itself can be based on where you execute Tomcat from). It sounds like you have the APR library for Tomcat 6. It's possible that Eclipse is providing this APR library.
Tomcat ships with an APR library but in order to ease installation Tomcat doesn't automatically modify the path to point at the APR library. The Eclipse Tomcat integration may (I'm not sure on this one, haven't used the integration before) include the APR libraries to make it easier to use Tomcat.
Check and make sure that Eclipse isn't configured to use an earlier version of Tomcat and if it is, either upgrade Eclipse to Tomcat 7 or downgrade Tomcat to the version specified in Eclipse.
If you can't figure it out then you don't necessarily have to worry about it at the moment. Tomcat should work anyways without the APR libraries. The only benefit you will get from the APR libraries is increased performance and since this is probably the start of your project that doesn't have to be worked out right away.
The second issue, the /manager/ page, could be Tomcat configuration. Tomcat won't actually display the manager page (and it will give you that error) unless users have been configured with manager permissions.
Try going to just / (i.e. http://localhost:8080), that page should load regardless of user configuration.
就我而言，当我使用包管理器在 Linux 上本地安装一次 Tomcat 时，我无意中安装了 APR 库。在 Debian/Ubuntu 上，这安装了不同 Tomcat 版本（与您的发行版捆绑在一起的版本）的 APR 软件包，从而导致了此错误。
简单之后
错误就消失了。
In my case I had inadvertently installed the APR library when I install once Tomcat locally on my Linux using the package manager. On Debian/Ubuntu this installed the APR package for a different Tomcat version (the one bundled with your distribution) which caused this error.
After simply
The error was gone.