The ResourceConfig instance does not contain any root resource classes.

Description

The Web application (WAR file) does not contain valid root resource classes. The WAR file does not contain any root resource class, or the value specified in the servlet initialization parameter com.sun.jersey.config.property.packages in the web.xml file is incorrect.

Action

Check the following items:

• Is the root resource class included correctly in the WAR file?
  The root resource class must be deployed in \WEB-INF\lib and/or \WEB-INF\classes of the WAR file.
  
• Is an appropriate package name described in the servlet initialization parameter com.sun.jersey.config.property.packages in the web.xml file