THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
The action.xml utilizes the Open Symphony XWork framework, and so it also utilizes the XWork Document Type Definition (DTD) file.
An Example configuration file
action.xml
Error formatting macro: snippet: java.lang.NullPointerException
For more about configuration details, see Action Configuration Elements
The XWork Document Type Definition (DTD)
xwork-1.1.1.dtd
Error formatting macro: snippet: java.lang.NullPointerException