HTTP Status 500 - java.lang.NullPointerException

type Exception report

message java.lang.NullPointerException

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

exception

com.tongweb.jasper.JasperException: java.lang.NullPointerException
	com.tongweb.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:565)
	com.tongweb.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:481)
	com.tongweb.web.jasper.servlet.ThanosJspServlet.serviceJspFile(ThanosJspServlet.java:273)
	com.tongweb.web.jasper.servlet.ThanosJspServlet.service(ThanosJspServlet.java:187)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
	com.tongweb.web.websocket.server.WsFilter.doFilter(WsFilter.java:53)
	org.src.urlreplaces.URLRewriteConfig.doFilter(URLRewriteConfig.java:134)
	com.taihang.smecf.web.site.just.filter.SessionFilter.doFilter(SessionFilter.java:77)
	com.taihang.smecf.web.site.just.filter.EncodingFilter.doFilter(EncodingFilter.java:22)

root cause

java.lang.NullPointerException

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