Validation with DefaultActionValidatorManager throws NullPointerExeption

Wed, 26 Feb 2014 04:36:08 -0800 

Hello,
In a JUnit-Test and in a Ajax-Server I try to validate an Object with com.opensymphony.xwork2.validator.DefaultActionValidatorManager (Version 2.3.15.3). 


The MyObject-validation.xml file is provided in the same directory as 
the MyObject-Class (no action alias used).



I instantiate the validator manually with the new operator because the 
ActionValidatorManagerFactory is no longer supported in the version 
2.3.15.3:


--------------------------------------

DefaultActionValidatorManager validator = new 
DefaultActionValidatorManager();

validator.validate(myObject, null);
--------------------------------------

but at runtime I get a NullPointerException:

--------------------------------------
java.lang.NullPointerException

    at 
com.opensymphony.xwork2.validator.DefaultActionValidatorManager.loadFile(DefaultActionValidatorManager.java:342)
    at 
com.opensymphony.xwork2.validator.DefaultActionValidatorManager.buildClassValidatorConfigs(DefaultActionValidatorManager.java:245)
    at 
com.opensymphony.xwork2.validator.DefaultActionValidatorManager.buildValidatorConfigs(DefaultActionValidatorManager.java:324)
    at 
com.opensymphony.xwork2.validator.DefaultActionValidatorManager.buildValidatorConfigs(DefaultActionValidatorManager.java:305)
    at 
com.opensymphony.xwork2.validator.DefaultActionValidatorManager.buildValidatorConfigs(DefaultActionValidatorManager.java:305)
    at 
com.opensymphony.xwork2.validator.DefaultActionValidatorManager.getValidators(DefaultActionValidatorManager.java:93)
    at 
com.opensymphony.xwork2.validator.DefaultActionValidatorManager.validate(DefaultActionValidatorManager.java:127)
    at 
com.opensymphony.xwork2.validator.DefaultActionValidatorManager.validate(DefaultActionValidatorManager.java:119)
    at 
com.opensymphony.xwork2.validator.DefaultActionValidatorManager.validate(DefaultActionValidatorManager.java:114)

--------------------------------------

The problem seems to be caused by the fileManager, that is set to NULL.

Has anyone an idea how to solve the problem?
How is the DefaultActionValidatorManager used correctly?

Thanks,
Thomas






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