我已经遇到这个问题好几天了，但没有设法解决它。我使用的是 tomcat 7.0，我完全无法连接 mysql 数据库。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：
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]
我也收到此错误：
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$Http11ConnectionHandler.process(Http11Protocol.java:188)
at org.apache.tomcat.util.net.JIoEndpoint$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
当我看到这段代码时：
try {
Context ctx = new InitialContext();
ds = (DataSource)ctx.lookup("java:comp/env/jdbc/chitchat");
} catch (NamingException e) {
e.printStackTrace();
}
有人知道我的问题是什么吗？我已经忍受了好几天了，我真的想摆脱这个。
org.apache.tomcat.jdbc.pool.DataSourceFactory jar 不存在于您的类路径中
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