HTTP Status 500 -

HTTP Status 500 -
type Exception report
message
descriptionThe server encountered an internal error () that prevented it from fulfilling this request.
exceptionjava.lang.NullPointerException
com.ascent.dao.LoginDAO.login(LoginDAO.java:27)
com.ascent.servlet.LoginServlet.Userlogin(LoginServlet.java:73)
com.ascent.servlet.LoginServlet.doGet(LoginServlet.java:42)
com.ascent.servlet.LoginServlet.doPost(LoginServlet.java:31)
javax.servlet.http.HttpServlet.service(HttpServlet.java:641)
javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
com.ascent.util.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:33)
noteThe full stack trace of the root cause is available in the Apache Tomcat/7.0.16 logs.Apache Tomcat/7.0.16