In situations where the logs are providing no information and you are getting a default error message, you may want to disable the catchall error page to see a stack trace

Step-by-Step Guide

  1. Open the tomcat/webapp/launch/WEB-INF/web.xml file
  2. Remove or comment out the following lines :

    <error-page>
    <exception-type>java.lang.Throwable</exception-type>
    <location>/error.jsp</location>
    </error-page>
    <error-page>
    <error-code>500</error-code>
    <location>/error.jsp</location>

  3. Save web.xml

  4. Restart tomcat