I encounter this problems when I run my application. Can anyone show me
where I get wrong???
Thanks
java.lang.NullPointerException
at
org.apache.commons.logging.impl.Jdk14Logger.warn(Jdk14Logger.java:290)
at
org.apache.struts.action.RequestProcessor.processException(RequestProces
sor.java:491)
at
org.apache.struts.action.RequestProcessor.processActionPerform(RequestPr
ocessor.java:439)
at
org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:
264)
at
org.apache.struts.action.ActionServlet.process(ActionServlet.java:1109)
at
org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:452)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:740)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Applica
tionFilterChain.java:247)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilt
erChain.java:193)
at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValv
e.java:243)
at
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.ja
va:566)
at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:4
72)
at
org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValv
e.java:190)
at
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.ja
va:566)
at
org.apache.catalina.valves.CertificatesValve.invoke(CertificatesValve.ja
va:246)
at
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.ja
va:564)
at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:4
72)
at
org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
at
org.apache.catalina.core.StandardContext.invoke(StandardContext.java:234
3)
at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java
:180)
at
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.ja
va:566)
at
org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherVa
lve.java:170)
at
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.ja
va:564)
at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java
:170)
at
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.ja
va:564)
at
org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:468
)
at
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.ja
va:564)
at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:4
72)
at
org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.
java:174)
at
org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.ja
va:566)
at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:4
72)
at
org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
at
org.apache.catalina.connector.http.HttpProcessor.process(HttpProcessor.j
ava:1012)
at
org.apache.catalina.connector.http.HttpProcessor.run(HttpProcessor.java:
1107)
at java.lang.Thread.run(Thread.java:536)
