I just recently found out that one can use multiple @throws tags for the same exception in Javadoc. One of my students used it to document one of his methods in Connect Four: Now my (and his) question: Is there an official style guide or a general recommendation on whether to use a single @throws tag or ̶…
Tag: exception
@RestControllerAdvice Stops Working Properly when using @ResponseStatus too
I am using RestControllerAdvice to return custom responses dependending on the type of exception that happened (they are all runtime exceptions), this was the first time that I used it today and it was a very weird experience because at testing with postman and local it worked perfectly, but when we deployed …
Custom Exceptions for JWT authentication don’t work JAVa
I implemented in my API Rest JWT authentication, but the exceptions that I created don’t work. This is what I expect: This is what I get: This is my CustomException Class This is what I have in my globalExceptionHandler And finally this is what I have in the method validateToken in JwtTokenProvider: pub…
Multiple nested exceptions while trying to consume JSON documents from API’s
I’ve created a simple Spring Boot app, in which I am trying to consume an API through JSON information. Below you can see the simple code I created using RestTemplate on the Service Class. The problem I am facing is that when I am using the API url below, I am getting the following nested exception. In …
java.lang.NumberFormatException: For input string: “5.3”
when running this code i am getting this java.lang.NumberFormatException: For input string: “5.3” Exception. how can we resolve this type of exception.any other way we can handle this without try and catch? value can be any thing.it’s not fixed that it will always be float.it can be integer …
NoSuchElementException Problem in User Input Java
I’m confused while using an Java program I created. Initially, when a user Ctrl+D during the input, it will promptly end the program and display an error in the form of this, Doing a bit of research I note that Ctrl+D terminates the input of sort. Therefore, I tried add few more lines to my codes to pre…
How to properly use Exception method getMessage
I have the following java code: how can I set e.getMessage() so that System.out.println(e.getMessage()) will print “Pretty please enter an int: ” Answer You only set the message when the exception is created, it’s an argument to the constructor. In your case it would have been nice if the In…
Spring @Valid Message Not Coming Through in Response
I have a CQRS Rest API using Spring and Axon. Validation is setup for inputs using the javax.validation library. The validation is working properly, and catching that the ‘username’ needs to be at least 2 character long. However the message associated with the failed validation is not showing up i…
Pretty message on exceptions from REST app
I have a problem with my REST app. Here is the git link to ease your burden: https://github.com/TheNiceGuy123/AstonishingBackEnd Here is the raw code also: Classes posted in order: Employee Controller: Employee Service: Global Exception Handler: CNPNotFoundException class: ApiErrorModel class: I want to give …
How to show that a Catch block for the Parent-exception will handle subclasses as well
I have met this problem. I have created a class CatHandler, with 3 inner classes (ExceptionAlpha extends Exception, ExceptionBeta extends ExceptionAlpha, ExceptionGammer extends ExceptionBeta). These three exception subclasses are empty; they contain no code. All code should be written in CatHandler. Now the …