Why would “java.lang.IllegalStateException: The resource configuration is not modifiable in this context.” appear deploying Jersey app?

Question

I have created an app implementing REST services locally using:

Eclipse Indigo Jersey 2.4 Tomcat 7.0.47

When running locally using Eclipse, the services work

Answer 1

I solved this problem by adding this code into web.xml file

  
    jersey-serlvet
    
        com.sun.jersey.spi.container.servlet.ServletContainer
    
    1
  
  
    jersey-serlvet
    /rest/*