SSH action
Struts has detected an unhandled exception: 

Messages:  
File: com/shen/ec/action/UserAction.java 
Line number: 22 


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Stacktraces
java.lang.NullPointerException 
  com.shen.ec.action.UserAction.regist(UserAction.java:22)
  sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
  sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
  java.lang.reflect.Method.invoke(Unknown Source)
  com.opensymphony.xwork2.DefaultActionInvocation.invokeAction(DefaultActionInvocation.java:453)
  com.opensymphony.xwork2.DefaultActionInvocation.invokeActionOnly(DefaultActionInvocation.java:292)
  com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:255)
  org.apache.struts2.interceptor.debugging.DebuggingInterceptor.intercept(DebuggingInterceptor.java:256)
  com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)
  com.opensymphony.xwork2.interceptor.DefaultWorkflowInterceptor.doIntercept(DefaultWorkflowInterceptor.java:176)
  com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)
  com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)
  com.opensymphony.xwork2.validator.ValidationInterceptor.doIntercept(ValidationInterceptor.java:265)
  org.apache.struts2.interceptor.validation.AnnotationValidationInterceptor.doIntercept(AnnotationValidationInterceptor.java:68)
  com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)
  com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)
  com.opensymphony.xwork2.interceptor.ConversionErrorInterceptor.intercept(ConversionErrorInterceptor.java:138)
  com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)
  com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:211)
  com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)
  com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)
  com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:211)
  com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)
  com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)
  com.opensymphony.xwork2.interceptor.StaticParametersInterceptor.intercept(StaticParametersInterceptor.java:190)
  com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)
  org.apache.struts2.interceptor.MultiselectInterceptor.intercept(MultiselectInterceptor.java:75)
  com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)
  org.apache.struts2.interceptor.CheckboxInterceptor.intercept(CheckboxInterceptor.java:90)
  com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)
  org.apache.struts2.interceptor.FileUploadInterceptor.intercept(FileUploadInterceptor.java:243)
  com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:249)
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