![]() ![]() Therefore, we'll make a use of CommandLineRunner class to make a Bean in our main application class. Here, we keep a focus on ConstraintViolationException and our custom ResourceNotFoundException: class ApiExceptionHandler ResponseEntity handle(ConstraintViolationException e) )Īll we need now in order to expose the product list to the user – is to actually put some products in the database. (1) Extend the ItemToPurchase class per the. (Consider first saving your earlier program). You can find more details about the topic in our Error Handling for REST with Spring and Custom Error Message Handling for REST API articles. This program extends the earlier Online shopping cart program. We'll need an exception handler for our API in order to properly deal with eventual exceptions. Online Shopping Cart E-Commerce Website Project in Java, JDBC, Servlets, JSP.
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