请教Struts1.2+MyEclipse5.0+Tomcat5.5的数据源配置问题。
请看我的struts-config.xml
<?xml version= "1.0 " encoding= "UTF-8 "?>
<!DOCTYPE struts-config PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 1.2//EN " "http://struts.apache.org/dtds/struts-config_1_2.dtd ">
<struts-config>
<data-sources>
<data-source type= "org.apache.commons.dbcp.BasicDataSource ">
<set-property property= "driverClassName " value= "org.gjt.mm.mysql.Driver "/>
<set-property property= "url " value= "jdbc:mysql://localhost:3306/addressbooksample "/>
<set-property property= "username " value= "root "/>
<set-property property= "password " value= "MyNewPassword "/>
</data-source>
</data-sources>
<form-beans />
<global-exceptions />
<global-forwards />
<action-mappings />
<message-resources parameter= "com.statestreet.addressbook.struts.ApplicationResources " />
</struts-config>
我已经将struts-legacy.jar，commons-dbcp-1.2.1.jar，commons-pool-1.2.jar，commons-collections-3.2.jar包放入tomcat的common/lib目录中，/WEB-INF/lib中也有这些包。可是我启动tomcat服务的时候依然有这些错误，请问如何解决？
严重: Unable to initialize Struts ActionServlet due to an unexpected exception or error thrown, so marking the servlet as unavailable. Most likely, this is due to an incorrect or missing library dependency.
java.lang.NoClassDefFoundError: org/apache/commons/pool/impl/GenericObjectPool
at java.lang.Class.getDeclaredConstructors0(Native Method)
at java.lang.Class.privateGetDeclaredConstructors(Class.java:2357)
at java.lang.Class.getConstructor0(Class.java:2671)
at java.lang.Class.newInstance0(Class.java:321)
at java.lang.Class.newInstance(Class.java:303)
at org.apache.struts.util.RequestUtils.applicationInstance(RequestUtils.java:143)
at org.apache.struts.action.ActionServlet.initModuleDataSources(ActionServlet.java:805)
at org.apache.struts.action.ActionServlet.init(ActionServlet.java:335)
at javax.servlet.GenericServlet.init(GenericServlet.java:211)
at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1105)
at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:932)
at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:3917)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:4201)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:759)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:739)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:524)
at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:904)
at org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:867)
at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:474)
at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1122)
at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:310)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1021)
at org.apache.catalina.core.StandardHost.start(StandardHost.java:718)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1013)
at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:442)
at org.apache.catalina.core.StandardService.start(StandardService.java:450)
at org.apache.catalina.core.StandardServer.start(StandardServer.java:709)
at org.apache.catalina.startup.Catalina.start(Catalina.java:551)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:294)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:432)
2007-1-18 22:03:43 org.apache.catalina.core.ApplicationContext log
信息: Marking servlet action as unavailable
2007-1-18 22:03:43 org.apache.catalina.core.StandardContext loadOnStartup
严重: Servlet /addressbook threw load() exception
javax.servlet.UnavailableException: org/apache/commons/pool/impl/GenericObjectPool
at org.apache.struts.action.ActionServlet.init(ActionServlet.java:368)
at javax.servlet.GenericServlet.init(GenericServlet.java:211)
at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1105)
at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:932)
at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:3917)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:4201)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:759)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:739)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:524)
at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:904)
at org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:867)
at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:474)
at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1122)
at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:310)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1021)
at org.apache.catalina.core.StandardHost.start(StandardHost.java:718)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1013)
at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:442)
at org.apache.catalina.core.StandardService.start(StandardService.java:450)
at org.apache.catalina.core.StandardServer.start(StandardServer.java:709)
at org.apache.catalina.startup.Catalina.start(Catalina.java:551)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:294)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:432)
[解决办法]
Most likely, this is due to an incorrect or missing library dependency.
多数情况下,这是由于导入了不正确的,或者是没有导入相关的jar包出除了这些你的mysql驱动包也应该放进去!
[解决办法]
<struts-config>
<data-sources>
<data-source type= "org.apache.commons.dbcp.BasicDataSource ">
<set-property property= "driverClassName " value= "com.microsoft.jdbc.sqlserver.SQLServerDriver " />
<set-property property= "url " value= "jdbc:microsoft:sqlserver://localhost:1433;DatabaseName=DB12315 "/>
<set-property property= "username " value= "dba " />
<set-property property= "password " value= "zzxgy " />
<set-property property= "maxActive " value= "20 " />
<set-property property= "maxWait " value= "5000 " />
<set-property property= "defaultAutoCommit " value= "true " />
<set-property property= "defaultReadOnly " value= "false " />
<set-property property= "removeAbandoned " value= "true " />
<set-property property= "removeAbandonedTimeout " value= "120 " />
<set-property property= "encoding " value= "false " />
</data-source>
</data-sources>
<form-beans >
[解决办法]
commons-pool-1.2.jar这个包是不是有问题啊?
你看看他里面有没有你需要的
org/apache/commons/pool/impl/GenericObjectPool
报错是找不到这个类.
