73 questions
5
votes
2
answers
411
views
Should I use std::rethrow_exception in my catch block, rather than directly rethrowing it?
In my code, I have something like:
try { do_stuff(); }
catch(my_exception_class& e) {
if (not can_ignore_exception(e)) {
throw e;
}
log_or_do_nothing(e);
}
A static analyzer (...
- 140k
113
votes
2
answers
27k
views
What are the differences between throws and rethrows in Swift?
After searching for some references to figure it out, -unfortunately- I could not find useful -and simple- description about understanding the differences between throws and rethrows. It is kind of ...
- 31.8k
311
votes
11
answers
197k
views
Best practices for catching and re-throwing .NET exceptions
What are the best practices to consider when catching exceptions and re-throwing them? I want to make sure that the Exception object's InnerException and stack trace are preserved. Is there a ...
- 70.7k
144
votes
5
answers
94k
views
C++ Exceptions questions on rethrow of original exception
Will the following append() in the catch cause the rethrown exception to see the effect of append() being called?
try {
mayThrowMyErr();
} catch (myErr &err) {
err.append("Add to my message ...
- 43.7k
67
votes
3
answers
104k
views
rethrowing python exception. Which to catch?
I'm learning to use python. I just came across this article:
http://nedbatchelder.com/blog/200711/rethrowing_exceptions_in_python.html
It describes rethrowing exceptions in python, like this:
try:
...
- 2,263
43
votes
12
answers
8k
views
Incorrect stacktrace by rethrow
I rethrow an exception with "throw;", but the stacktrace is incorrect:
static void Main(string[] args) {
try {
try {
throw new Exception("Test"); //Line 12
}
...
- 1,928
5
votes
1
answer
2k
views
Why do "throw" and "throw ex" have the same behavior in this case?
I'm flabbergasted. I always thought that throw by itself in a catch block would throw the exception at hand without altering the stack trace, but that throw ex in a catch block would alter the stack ...
- 3,527
3
votes
1
answer
1k
views
Dart: try catch not catching the exception from a function that uses 'rethrow'
I'm trying to use the library livekit_client to create a chat room, I'm trying to handle the exception when the connection fails,
this is the code I'm using to connect and catch the error:
try {
...
- 413
1
vote
1
answer
1k
views
How to catch a base class constructor's exception in C++?
I have a class that is derived from another class. I want to be able to catch and re-throw the exception(s) thrown by the derived class's constructor in my derived class's constructor.
There seems to ...
- 127
0
votes
5
answers
1k
views
Flutter Image Asset cannot be shown ( image in class model )
I've made class model of places, and I want to show the logo of each place, I add the image location folder in class named place_model.dart and this is the code for place_model.dart :
class Place{
...
6
votes
1
answer
236
views
Is there a memory leak in my machine's implementation of std::exception_ptr, std::current_exception and rethrow_exception?
When running the following code, I see the memory consumption of the process grow. Is there a memory leak in my code, is there a memory leak in the std implementation, or is it intended behaviour? It'...
- 81
1
vote
0
answers
2k
views
Why if we return from finally, rethrow from catch not works?
Why first case prints :
"second level catch"
"top level catch"
and second case prints:
only "second level catch"?
Difference in finally block.
Future<void> main() ...
- 426
-1
votes
2
answers
2k
views
throw checked exception as unchecked in java instead of wrapping
I have the following code and i need to scan the Exception thrown. If it satisfies a particular condition i ignore the exception. Else i re-throw. The exception being thrown is a checked exception ...
- 507
20
votes
6
answers
7k
views
Why does resharper say 'Catch clause with single 'throw' statement is redundant'?
I thought throwing an exception is good practice to let it bubble back up to the UI or somewhere where you log the exception and notify the user about it.
Why does resharper say it is redundant?
try
...
- 3,306
0
votes
0
answers
52
views
Java 8, Optional. throwing Exceptions, and Re-throwing exceptions, preventing null
I have confusing (lack of comprehension) trying to translate some part of my code to Optional on Java 8.
First example mock Code
private void privateMethodOne(CustomRequesDto customRequesDto) {
...
- 1,716