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RuntimeException Handling By Creating Custom Exception


RuntimeException Handling By Creating Custom Exception

By : Marvin L Eason
Date : November 22 2020, 10:33 AM
this will help Custom RuntimeException class is not instance of Custom Exception class. But RuntimeException is instance of Exception. Why??? ,
Why ABCRuntimeException is not instance of ABCException.
code :
public class ABCRuntimeException extends RuntimeException 

public class ABCException extends Exception 


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Why does the program not terminate when a method that throws RuntimeException is called without handling the exception i

Why does the program not terminate when a method that throws RuntimeException is called without handling the exception i


By : user2839218
Date : March 29 2020, 07:55 AM
this one helps. The program you have posted will terminate when you throw the uncaught exception. I just tested it myself.
The only way to prevent the JVM from terminating is to have non-daemon threads running. If you have displayed a GUI for instance, you must make sure you terminate the EDT to for the application to terminate completely.
@ExceptionHandler returns a lot of logs from RuntimeException while handling user defined exception

@ExceptionHandler returns a lot of logs from RuntimeException while handling user defined exception


By : forraceg
Date : March 29 2020, 07:55 AM
I wish this helpful for you The @ExceptionHandler is working fine. However, you are extending RuntimeException, which comes with a getCause(), getStackTrace(), ... . Jackson serializes all these fields to JSON, which is why you see a stacktrace and a cause field.
To solve this, you can either create a dedicated DTO for your errors which does not extend from RuntimeException, for example:
code :
public class ErrorMessageDTO {
    private final String errorCode;
    private final String errorMessage;

    // Constructors + Getters + Setters
}
@ExceptionHandler(InvalidPassengerNameException.class)
public ResponseEntity<ErrorMessageDTO> handleInvalidPassengerNameException(InvalidPassengerNameException exc) {
    ErrorMessageDTO message = new ErrorMessageDTO("E400", "Passenger name should be more than 8 characters");
    return new ResponseEntity<ErrorMessageDTO>(message, HttpStatus.NOT_ACCEPTABLE);
}
public class InvalidPassengerNameException extends RuntimeException {
    // Fields + Getters + Setters

    @JsonIgnore
    @Override
    public Throwable getCause() {
        return super.getCause();
    }
}
Extend Error or runtimeException while creating custom unchecked exception

Extend Error or runtimeException while creating custom unchecked exception


By : Alex Pressl
Date : March 29 2020, 07:55 AM
will be helpful for those in need Extend RuntimeException. Error is generally used only internally by the JVM, to signal situations (e.g. out of memory) from which you can not recover.
See the Java Language specification (11.1) for more details
RuntimeException laravel 5.8 RuntimeException This driver does not support creating temporary URLs

RuntimeException laravel 5.8 RuntimeException This driver does not support creating temporary URLs


By : simmer9191
Date : October 13 2020, 03:00 PM
I hope this helps you . From my knowledge, temporaryUrl is a method used on a drivers such as s3 to create a temporary url for a privately stored asset.
If you would like to set a temporary url for a file, it may help to use Cache to temporarily store the path.
code :
// Creating temp file index in cache

$image = '66.jpg';

Cache::put('/temp/' . $image, 300); // 5 minutes
public function show($image)
{
    if (Cache::get('/temp/' . $image) && ! Storage::disk('public')->exists($image)) {
        // not in cache or do not exist, maybe redirect...
    };

    return Storage::disk('public')->get($image);
}
Why can't we use RuntimeException instead of creating custom exceptions?

Why can't we use RuntimeException instead of creating custom exceptions?


By : Test User gmail regi
Date : September 30 2020, 11:00 PM
I wish did fix the issue. 1) I have been searching a lot on when exactly we should go creating custom exceptions. I found this example:
code :
public class MyBusinessRuntimeException extends RuntimeException {
    // copy all the constructors you need
}
 Exception
     FileException
         FileExtensionException
             IncorrectFileExtensionException
             UnsupportedFileExtensionException
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