在我成功地将 Ametys CMS 部署到我的 Tomcat 服务器 (XAMPP) 后，我访问了配置链接http://localhost/cms并开始完成必要的数据。我单击保存并重新启动，它显示一个错误：
发生错误。请联系应用程序管理员。
以下是它显示的详细信息：
An error occurred. Please contact the administrator of the application.org.apache.avalon.framework.component.ComponentException: Unable to initialize the ComponentManager (key [org.apache.cocoon.Processor]) at org.ametys.runtime.cocoon.TreeProcessor.compose(TreeProcessor.java:94) at org.apache.avalon.framework.container.ContainerUtil.compose(ContainerUtil.java:173) at org.apache.avalon.excalibur.component.DefaultComponentFactory.newInstance(DefaultComponentFactory.java:266) at org.apache.avalon.excalibur.component.ThreadSafeComponentHandler.initialize(ThreadSafeComponentHandler.java:108) at org.apache.avalon.excalibur.component.ExcaliburComponentManager.initialize(ExcaliburComponentManager.java:524) at org.apache.cocoon.components.CocoonComponentManager.initialize(CocoonComponentManager.java:583) at org.apache.avalon.framework.container.ContainerUtil.initialize(ContainerUtil.java:244) at org.apache.cocoon.Cocoon.initialize(Cocoon.java:345) at org.apache.avalon.framework.container.ContainerUtil.initialize(ContainerUtil.java:244) at org.apache.cocoon.servlet.CocoonServlet.createCocoon(CocoonServlet.java:1435) at org.ametys.runtime.servlet.RuntimeServlet.createCocoon(RuntimeServlet.java:225) at org.apache.cocoon.servlet.CocoonServlet.init(CocoonServlet.java:495) at org.ametys.runtime.servlet.RuntimeServlet.init(RuntimeServlet.java:171) at org.apache.catalina.core.StandardWrapper.initServlet(StandardWrapper.java:1280) at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1193) at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:1088) at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:5176) at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5460) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150) at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:901) at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:877) at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:633) at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1113) at org.apache.catalina.startup.HostConfig$DeployDirectory.run(HostConfig.java:1671) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334) at java.util.concurrent.FutureTask.run(FutureTask.java:166) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603) at java.lang.Thread.run(Thread.java:722) Caused by: org.apache.avalon.framework.configuration.ConfigurationException: Specified driver class does not exist: com.mysql.jdbc.Driver at org.ametys.runtime.datasource.DataSourceExtensionPoint.addExtension(DataSourceExtensionPoint.java:65) at org.ametys.runtime.plugin.PluginsManager._loadExtensions(PluginsManager.java:1077) at org.ametys.runtime.plugin.PluginsManager._loadFeatures(PluginsManager.java:1030) at org.ametys.runtime.plugin.PluginsManager.initExtensions(PluginsManager.java:472) at org.ametys.runtime.cocoon.TreeProcessor.compose(TreeProcessor.java:65) ... 29 more Caused by: java.lang.ClassNotFoundException: com.mysql.jdbc.Driver at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1714) at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1559) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:186) at org.ametys.runtime.datasource.DataSourceExtensionPoint.addExtension(DataSourceExtensionPoint.java:61) ... 33 more
有谁知道是怎么回事？尝试谷歌搜索，没有发现任何有用的东西，比如重新启动 Tomcat。我知道用于桌面、移动设备的 Java，但我对使用 Tomcat 部署 webapps 知之甚少。我会很感激任何帮助。