Documentation

1. 01 VRaptor3 - One minute guide
2. 02 VRaptor3 - 10 minute guide
3. 03 Resources-Rest
4. 04 Components
5. 05 Converters
6. 06 Interceptors
7. 07 Validation
8. 08 View and Ajax
9. 09 Dependency injection
10. 10 Download and Upload
11. 11 Utility components
12. 12 Overriding Vraptor's behavior and conventions
13. 13 Spring, Joda Time and Hibernate
14. 14 Google App Engine
15. 15 Testing components and controllers
16. 16 Scala
17. 17 Optimizations
18. 18 VRaptor Scaffold
19. 19 Exception handling
20. 20 How to contribute to VRaptor
21. 21 Changelog
22. 22 Migrating from VRaptor2 to VRaptor3

19Exception handling

Since version 3.2, VRaptor has an Exception Handler, which handler all unhandled exceptions in your application. The Exception Handler has a very similar behaviour than VRaptor Validator.

In the example below, if the method addCustomer(Customer) throws a CustomerAlreadyExistsException, the user will be redirected to the method addCustomer().

@Get
public void addCustomer() {
    // do something
}

@Post
public void addCustomer(Customer newCustomer) {
    result.on(CustomerAlreadyExistsException.class).forwardTo(this).addCustomer();

    customerManager.store(newCustomer);
}