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

org.apache.jasper.JasperException: java.lang.NullPointerException
	org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:555)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:476)
	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:396)
	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:340)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
	cn.org.zjsngd.filter.XSSFilter.doFilter(XSSFilter.java:43)

root cause

java.lang.NullPointerException
	java.util.regex.Matcher.getTextLength(Matcher.java:1283)
	java.util.regex.Matcher.reset(Matcher.java:309)
	java.util.regex.Matcher.<init>(Matcher.java:229)
	java.util.regex.Pattern.matcher(Pattern.java:1093)
	cn.org.zjsngd.util.Tools.isInteger(Tools.java:28)
	org.apache.jsp.doc_005flist_jsp._jspService(doc_005flist_jsp.java:155)
	org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:438)
	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:396)
	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:340)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
	org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
	cn.org.zjsngd.filter.XSSFilter.doFilter(XSSFilter.java:43)

note The full stack trace of the root cause is available in the Apache Tomcat/8.0.33 logs.


Apache Tomcat/8.0.33