java.lang.reflect.InvocationTargetException 
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 com.kingstargroup.control_logic.RequestProcessor.process(RequestProcessor.java:383) 
at com.kingstargroup.control_logic.ControlServlet.process(ControlServlet.java:44) 
at com.kingstargroup.control_logic.ControlServlet.doPost(ControlServlet.java:19) 
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) 
at javax.servlet.http.HttpServlet.service(HttpServlet.java:810) 
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:237) 
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:157) 
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:214) 
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104) 
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520) 
at org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:198) 
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:152) 
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104) 
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520) 
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:137) 
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104) 
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117) 
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:102) 
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520) 
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) 
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:104) 
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:520) 
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:929) 
at org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:160) 
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:793) 
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:702) 
at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:571) 
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:644) 
at java.lang.Thread.run(Thread.java:595) 
Caused by: java.lang.NullPointerException 
at com.kingstargroup.bean.brokerwork.ServiceLogBean.deleteServiceLog(ServiceLogBean.java:1421) 
... 33 more 
---------------- 
1421行是: 
CustConsultBean cc = CustConsultBean.getCustConsultBeanById(detailId); 
设置断点,按F5也是直接报错,不能进入到方法里面
------解决方法--------------------------------------------------------
问题关键应该在这里吧at com.kingstargroup.control_logic.RequestProcessor.process(RequestProcessor.java:383) 
可能是反射的方法调用有问题!method.invoke()出错 
------解决方法--------------------------------------------------------
如果使用了hibernate,试试升级Hibernate