JDBC无法加载数据源的工厂类

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我已经遇到这个问题好几天了，还没有设法修复它。我正在使用tomcat 7.0，我完全无法获得mysql数据库连接。我正在编写的应用程序是一个使用eclipse IDE的jsp动态网站。 TomCat 7启动时出现此错误：

I have been having this problem for days and have not managed to fix it. I am using tomcat 7.0 and I am completely unable to get a mysql database connection going. The application I am writing is a jsp dynamic website using the eclipse IDE. I get this error when TomCat 7 starts up:

WARNING: Failed to register in JMX: javax.naming.NamingException: Could not load resource factory class [Root exception is java.lang.ClassNotFoundException: org.apache.tomcat.jdbc.pool.DataSourceFactory]

我也得到这个错误：

javax.naming.NamingException: Could not load resource factory class [Root exception is java.lang.ClassNotFoundException: org.apache.tomcat.jdbc.pool.DataSourceFactory] at org.apache.naming.factory.ResourceFactory.getObjectInstance(ResourceFactory.java:84) at javax.naming.spi.NamingManager.getObjectInstance(Unknown Source) at org.apache.naming.NamingContext.lookup(NamingContext.java:826) at org.apache.naming.NamingContext.lookup(NamingContext.java:145) at org.apache.naming.NamingContext.lookup(NamingContext.java:814) at org.apache.naming.NamingContext.lookup(NamingContext.java:145) at org.apache.naming.NamingContext.lookup(NamingContext.java:814) at org.apache.naming.NamingContext.lookup(NamingContext.java:145) at org.apache.naming.NamingContext.lookup(NamingContext.java:814) at org.apache.naming.NamingContext.lookup(NamingContext.java:159) at org.apache.naming.SelectorContext.lookup(SelectorContext.java:158) at javax.naming.InitialContext.lookup(Unknown Source) at test.General.Database.getConnection(Database.java:21) at test.Controller.LoginServlet.doPost(LoginServlet.java:43) at javax.servlet.http.HttpServlet.service(HttpServlet.java:641) at javax.servlet.http.HttpServlet.service(HttpServlet.java:722) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:304) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:240) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:164) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:462) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:164) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:100) at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:562) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:395) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:250) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:188) at org.apache.tomcat.util.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:302) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) Caused by: java.lang.ClassNotFoundException: org.apache.tomcat.jdbc.pool.DataSourceFactory at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1676) at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1521) at org.apache.naming.factory.ResourceFactory.getObjectInstance(ResourceFactory.java:82) ... 31 more

当我到达此代码时：

try { Context ctx = new InitialContext(); ds = (DataSource)ctx.lookup("java:comp/env/jdbc/chitchat"); } catch (NamingException e) { e.printStackTrace(); }

任何人都有任何想法我的问题是什么？我现在已经有了很多日子，我真的想继续这样做。

Anyone have any ideas what my problem is? I've had this for quite literally days now and I really want to move on from this.

推荐答案

org.apache.tomcat ur classpath中不存在.jdbc.pool.DataSourceFactory jar

org.apache.tomcat.jdbc.pool.DataSourceFactory jar not exist in ur classpath