HTTP Status 500 - Request processing failed; nested exception is java.lang.NumberFormatException: null


type Exception report

message Request processing failed; nested exception is java.lang.NumberFormatException: null

description The server encountered an internal error that prevented it from fulfilling this request.

exception

org.springframework.web.util.NestedServletException: Request processing failed; nested exception is java.lang.NumberFormatException: null
	org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:488)
	org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:431)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
	com.jbetter.filter.IllegalCharacterFilter.doFilter(IllegalCharacterFilter.java:157)
	org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:96)
	org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:75)
	com.jbetter.filter.ReponseFilter.doFilter(ReponseFilter.java:48)

root cause

java.lang.NumberFormatException: null
	java.lang.Long.parseLong(Long.java:375)
	java.lang.Long.parseLong(Long.java:468)
	cn.nsl.web.display.DisplayObjectController.formModel(DisplayObjectController.java:305)
	cn.nsl.web.util.SessionFormController.formModel(SessionFormController.java:182)
	cn.nsl.web.util.SessionFormController.referenceData(SessionFormController.java:207)
	org.springframework.web.servlet.mvc.AbstractFormController.showForm(AbstractFormController.java:574)
	org.springframework.web.servlet.mvc.SimpleFormController.showForm(SimpleFormController.java:198)
	org.springframework.web.servlet.mvc.SimpleFormController.showForm(SimpleFormController.java:175)
	org.springframework.web.servlet.mvc.AbstractFormController.showNewForm(AbstractFormController.java:338)
	org.springframework.web.servlet.mvc.AbstractFormController.handleRequestInternal(AbstractFormController.java:278)
	org.springframework.web.servlet.mvc.AbstractController.handleRequest(AbstractController.java:153)
	org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter.handle(SimpleControllerHandlerAdapter.java:48)
	org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:859)
	org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:793)
	org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:476)
	org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:431)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
	com.jbetter.filter.IllegalCharacterFilter.doFilter(IllegalCharacterFilter.java:157)
	org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:96)
	org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:75)
	com.jbetter.filter.ReponseFilter.doFilter(ReponseFilter.java:48)

note The full stack trace of the root cause is available in the logs.