咨询什么错误
2011-9-26 16:16:06 org.apache.coyote.http11.Http11AprProtocol init
信息: Initializing Coyote HTTP/1.1 on http-8080
2011-9-26 16:16:06 org.apache.coyote.ajp.AjpAprProtocol init
信息: Initializing Coyote AJP/1.3 on ajp-8009
2011-9-26 16:16:06 org.apache.catalina.startup.Catalina load
信息: Initialization processed in 344 ms
2011-9-26 16:16:06 org.apache.catalina.core.StandardService start
信息: Starting service Catalina
2011-9-26 16:16:06 org.apache.catalina.core.StandardEngine start
信息: Starting Servlet Engine: Apache Tomcat/5.5.20
2011-9-26 16:16:06 org.apache.catalina.core.StandardHost start
信息: XML validation disabled
2011-9-26 16:16:06 org.apache.catalina.core.ApplicationContext log
信息: ContextListener: contextInitialized()
2011-9-26 16:16:06 org.apache.catalina.core.ApplicationContext log
信息: SessionListener: contextInitialized()
2011-9-26 16:16:06 org.apache.catalina.core.ApplicationContext log
信息: ContextListener: contextInitialized()
2011-9-26 16:16:06 org.apache.catalina.core.ApplicationContext log
信息: SessionListener: contextInitialized()
2011-9-26 16:16:07 org.apache.catalina.core.ApplicationContext log
信息: org.apache.webapp.balancer.BalancerFilter: init(): ruleChain: [org.apache.webapp.balancer.RuleChain: [org.apache.webapp.balancer.rules.URLStringMatchRule: Target string: News / Redirect URL: http://www.cnn.com], [org.apache.webapp.balancer.rules.RequestParameterRule: Target param name: paramName / Target param value: paramValue / Redirect URL: http://www.yahoo.com], [org.apache.webapp.balancer.rules.AcceptEverythingRule: Redirect URL: http://jakarta.apache.org]]
2011-9-26 16:16:07 org.apache.coyote.http11.Http11AprProtocol start
信息: Starting Coyote HTTP/1.1 on http-8080
2011-9-26 16:16:07 org.apache.coyote.ajp.AjpAprProtocol start
信息: Starting Coyote AJP/1.3 on ajp-8009
2011-9-26 16:16:07 org.apache.catalina.storeconfig.StoreLoader load
信息: Find registry server-registry.xml at classpath resource
2011-9-26 16:16:07 org.apache.catalina.startup.Catalina start
信息: Server startup in 1031 ms
获取的查询字符串：login
java.lang.ClassNotFoundException: com.mysql.jdbc.Driver
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1355)
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1201)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:169)
at com.core.ConnDB.getConnection(ConnDB.java:33)
at com.core.ConnDB.executeQuery(ConnDB.java:52)
at com.dao.ManagerDAO.checkManager(ManagerDAO.java:73)
at com.action.Manager.managerLogin(Manager.java:52)
at com.action.Manager.execute(Manager.java:24)
at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:431)
at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:236)
at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196)
at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:432)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:709)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
at org.apache.coyote.http11.Http11AprProcessor.process(Http11AprProcessor.java:833)
at org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:639)
at org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:1285)
at java.lang.Thread.run(Thread.java:662)
警告: DbConnectionManager.getConnection() 获得数据库链接失败.
链接类型:com.mysql.jdbc.Driver
链接位置:jdbc:mysql://192.168.1.253:3306/phonemanagement?user=myuser&password=mypassword&useUnicode=true
2011-9-26 16:16:42 org.apache.struts.action.RequestProcessor processException
警告: Unhandled Exception thrown: class java.lang.NullPointerException
2011-9-26 16:16:42 org.apache.catalina.core.StandardWrapperValve invoke
严重: Servlet.service() for servlet action threw exception
java.lang.NullPointerException
at com.core.ConnDB.executeQuery(ConnDB.java:54)
at com.dao.ManagerDAO.checkManager(ManagerDAO.java:73)
at com.action.Manager.managerLogin(Manager.java:52)
at com.action.Manager.execute(Manager.java:24)
at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:431)
at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:236)
at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196)
at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:432)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:709)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
at org.apache.coyote.http11.Http11AprProcessor.process(Http11AprProcessor.java:833)
at org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:639)
at org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:1285)
at java.lang.Thread.run(Thread.java:662)
[解决办法]
ClassNotFoundException: com.mysql.jdbc.Driver
mysql的jar包没加
[解决办法]
2楼说的对，是缺少mysql的JAR包。
[解决办法]
恩 缺少驱动包
[解决办法]
估计是你在配置的时候配错了。
应该写：com.mysql.jdbc.Driver
你却写成了：jdbc:mysql://192.168.1.253:3306/phonemanagement?user=myuser&password=mypassword&useUnicode=true
