I am trying to use exceptions in my assignment to catch an error when a user input invalid entry. I tried using the if else statement to catch but whenever running the program it will skipped pass my exception even when I input invalid entry. Do any of you have any idea where I am wrong in the code? PS:
Tag: exception
Can I omit try-catch?
I want to fetch an HTML page and read in with BufferedReader. So I use try-with-resources to open it handles IOException this way: Is this a good pattern to catch and instantly throw? And what if I omit try at all and state that function throws IOException? If then any potentional memory leak? Much appreciate any advice! Answer A catch
Spring Boot: Custom exception adds prefix to the exception message
In a Spring Boot app, I created a custom GlobalExceptionHandler and add the following method to handle ConstraintViolationException for invalid file type during upload process: My buildErrorResponse works correctly and build proper responses for other handle methods. However, It adds “uploadFile.file:” prefix to my error message. My questions: Is there any problem with my handleConstraintViolationException implementation? If not, how can
Java exception handling: JSONObject cannot convert JSONArray
After executeQuery, I’ve got some set of results in XML format. While checking xmlJSONObj.getJSONObject(“Root”).has(“AmountDtl”), I get an exception “JSONObject[“Root”] is not a JSONObject”. How to handle this exception? Answer In your case. You have If you convert it to JSONObject you get something like this. based on what you are saying you are getting an exception here: if (xmlJSONObj.getJSONObject(“Root”).has(“AmountDtl”)) getJSONObject
How to catch an out of bounds exception in Java and continue?
I am writing a program that converts a prefix expression to a postfix expression. For an expression like ” x-x-ABC+BA ” the program should throw an out of bounds exception, and the program should continue onto the next line (from the input document), I have managed to make it work for one expression like “x-x-ABC+BA”, but where there are two
Spring retry exception handling execution behavior
I am trying to get to the best way to wrap spring-retry @Retryable annotation around external service call. Here is my code: I have a few questions on what happens when a RestClientException occurs : Is the catch block executed before retry kicks in or does the retry kicks in before the catch block execution? Do I need a recovery
Why handleResponse(URI url, HttpMethod method, ClientHttpResponse response) method of RestTemplate.class is getting called for a 200 Succeess response
I am calling an external API from my code using RestTemplate like below: This API call is returning 200 Success but when I debug it, it still goes to handleResponse(URI url, HttpMethod method, ClientHttpResponse response) method of RestTemplate.class And then it’s coming to my RestTemplateErrorHandler.java file Can someone lease help me to understand if it’s the correct behaviour. I suspect
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: public boolean validateToken(String token){ I really appreciate if
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 case I am
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 and double too.is there any way we can handle all three no