Apache Tomcat/5.5.23 - Error report

HTTP Status 500 -

type Exception report

message

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

exception 

org.apache.jasper.JasperException
	org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:476)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:389)
	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:315)
	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:265)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
	gbase.filter.EncodingFilter.doFilter(EncodingFilter.java:52)

root cause 

java.lang.NullPointerException
	org.apache.jsp.user_005flink_jsp._jspService(user_005flink_jsp.java:107)
	org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:98)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
	org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:328)
	org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:315)
	org.apache.jasper.servlet.JspServlet.service(JspServlet.java:265)
	javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
	gbase.filter.EncodingFilter.doFilter(EncodingFilter.java:52)

note The full stack trace of the root cause is available in the Apache Tomcat/5.5.23 logs.

Apache Tomcat/5.5.23