54,242 questions
5
votes
1
answer
188
views
how to catch Java exceptions using a C++ launcher?
I am writing a client application using Java Swing. I am quite confused about how a launcher can capture JVM crash information when the JVM crashes.
The hs_err_pid[PID].log file is not generated. I ...
- 79
1
vote
2
answers
120
views
Is it valid to rethrow an unhandled C++ coroutine exception with `throw;`?
Is the following code valid in a C++ coroutine promise object?
void
promise_type::unhandled_exception() noexcept
{
try {
// re-throw current exception
throw;
} catch (const std::exception &...
- 5,006
-2
votes
1
answer
95
views
PHP try-catch ineffective for mb_convert_encoding() function [duplicate]
I have the following code in a CLI PHP script. (The value in $mime_encoded_text actually comes from a message header, but for the sake of clarity, I have simplified here) :
$mime_encoded_text = "...
- 1,316
Best practices
0
votes
13
replies
146
views
Is there a best practice on how to mimic defer/finalize blocks which can throw exceptions and should then throw nested exceptions
I'm trying to implement these requirements:
I have to execute functions i cannot modify.
Unfortunately, the functions also needs a specific global state which needs to be set before calling the ...
- 862
0
votes
1
answer
34
views
How should I set up a "RestExceptionHandler" for xhr requests and a "ErrorController" for non xhr requests in spring boot 3.5?
I am upgrading a rather big application from Spring Boot 2.7.18 to Spring Boot 3.5.6.
In this application there is an ExceptionController which is intended to handle exceptions
caused by non xhr ...
- 1,839
Best practices
0
votes
7
replies
173
views
What is the Pythonic way to handle invalid user input in a while loop?
import random
number_to_guess = random.randint(1, 10)
while True:
guess = input("Guess a number between 1 and 10: ")
# This crashes if 'guess' is not a number
if int(guess) == ...
Best practices
0
votes
3
replies
174
views
Can I modify the Message of a caught Delphi Exception object and then re-raise it?
The title says it, but here is an example:
try
// ...
raise EFileNotFoundException.Create('File not found!');
except
on E: EFileNotFoundException do begin
E.Message := Format('"%s":...
1
vote
1
answer
61
views
how to make socket server propagate exceptions up to TaskGroup where they're started from?
How to make exceptions thrown from a socket server running in a task group task be propagated up to its parent TaskGroup? With given example, I'd expect to see the error raised from ...
- 608
Advice
0
votes
2
replies
57
views
Better solutions for reseting 'is_running' flag to 0 when an exception occurs during code execution in python
I have a python code with below structure:
try:
# Check if ETL is running
check_isrunning_sms_journals = "select nvl(d.is_running,0) as is_running from running_etl_table d where ...
- 251
Advice
0
votes
0
replies
44
views
What should I replace a newline character with when newlines aren't allowed?
I'm building a hobby chess engine that communicates through the UCI protocol. This is communication done through standard out/in of the program, with each line representing a single command.
One of ...
- 2,362
4
votes
1
answer
153
views
Java ExecutorService detect asap thread fail
I have to run x asynchronous threads , which can last several minutes each.
They ALL have to terminate properly without exceptions.
If one fails I have to stop them all immediately and not wait ...
- 51
2
votes
1
answer
61
views
Calling `sys.excepthook` manually with `sys.last_exc`
The signature of sys.excepthook is
sys.excepthook(type, value, traceback)
so a natural way to call it is
sys.excepthook(sys.exc_type, sys.exc_value, sys.exc_traceback)
But as of Python 3.12, ...
- 3,547
Best practices
0
votes
1
replies
96
views
Java exception handling (best practices)
I'm starting out with Java and Spring Boot, and I have a fairly simple question that always raises doubts for me, as I always like to follow best practices.
I have a Controller layer where I create ...
- 13
0
votes
1
answer
135
views
Spring Boot 3.x — @RestControllerAdvice not catching custom exceptions
I recently upgraded to Spring Boot 3.5 (Jakarta packages) and noticed my global exception handler isn’t being triggered.
@RestController
public class UserController {
@GetMapping("/test")...
- 277
3
votes
1
answer
159
views
How to catch EXCEPTION_PRIV_INSTRUCTION from RDPMC directly in Assembly (and without SEH)?
I'm experimenting with measuring CPU's instructions latency and throughput on P and E cores using RDPMC on Win 11, something like that:
MOV ECX, 0x40000000 ; Instructions Counter
RDPMC ; Read ...
- 179