Hibernate 配置 CP30的问题！！！

f23335465 2013-04-21 11:18:50

只用了 Hibernate 没用 Spring和其他的框架，可以一发连接数据库的请求就报这个错

java.lang.NoClassDefFoundError: Could not initialize class com.xuning.utils.HibernateSessionFactory
at com.xuning.servlet.ServletBase.beginOperation(ServletBase.java:73)
at com.xuning.servlet.ServletBase.doCheckData(ServletBase.java:81)
at com.xuning.servlet.ServletBase.validRequest(ServletBase.java:106)
at com.xuning.servlet.ServletBase.doGet(ServletBase.java:125)
at com.xuning.servlet.TestServlet.doGet(TestServlet.java:171)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:621)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:225)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:168)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:927)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1001)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:585)
at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:310)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:895)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918)
at java.lang.Thread.run(Thread.java:680)

CP30的配置如下：

<property name="hibernate.connection.provider_class">org.hibernate.connection.C3P0ConnectionProvider</property>
<property name="hibernate.c3p0.min_size">5</property>
<property name="hibernate.c3p0.max_size">20</property>
<property name="hibernate.c3p0.timeout">1800</property>
<property name="hibernate.c3p0.max_statements">50</property>
<property name="hibernate.c3p0.testConnectionOnCheckout">true</property>

不配置CP30的话就好好的也没什么问题，不加下面这句的话也没什么问题
<property name="hibernate.connection.provider_class">org.hibernate.connection.C3P0ConnectionProvider</property>

我用的是MyEclipse 自己导入到Hibernate 里面有这个类，请大神指教

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