Exception catching
What is the difference between try { ... } catch (NHibernate.ADOException exception) {} and try { ... } catch (exception ex) {} ...
exception-handling
php symfony exception handling/error handling
Working on a symfony application that uses nusoap (is this the best method for integrating soap work with php/symfony?) for taking credit card payments. I've simplified an example of my code below. What I'm struggling with is the best way to handle exceptions. The example below only has 1 custom exception (where should my custom except...
Actionscript 3 top-level exception handling
Is it possible to catch ALL exceptions at some top-level in Actionscript 3? If so, how? ...
Unhandled exception while downloading web page using HttpWebRequest and StreamReader
This is a C# app using .NET 4.0. Background: I have been trying to refine a portion of an app which downloads files from multiple web servers. Everything is working pretty well except for an occasional situation wherein the remote computer closes the connection. I assume this may be due to a variety of factors, including network proble...
C# - How does one handle/catch StackOverFlowExceptions?
I don't need a lesson in switching from recursive to non-recursive means, I just want to know why we can't deal with this type of exception. Regardless, I'm using recursive functions on very large lists. I have written code to attempt to catch StackOverFlowExceptions: try { recursiveFxn(100000); } catch(Exception){} private void recu...
Is there an easy way to find out what exception types a class throws?
I am using the ReportServices Web Services API and I want to determine the exceptions that can be thrown by it. Is there an easy way to do that? ...
Exception handling: If condition versus Exception
To verify the validity of a parameter, C language uses a bunch of IF Else conditions to determine if it is valid. In JAVA, it has Exception facility to handle this. What's usage of these two method, what's the pros and cons of these two way? Thanks! Regards! ...
PHP exceptions - do i have the correct idea?
Hi everyone, i am trying to understand the use of exceptions in PHP.. How they work and when to use them... The basic structure below, is the the correct method.. It seems somewhat bloated to me? Thanks in advance for any advise or help.. <?php class APIException extends Exception { public function __construct($message) { ...
Determine source of a ConstraintException in an EF entity.
I have an entity class with a bunch of non-nullable string properties. If I try and set one of these to null, I get a ConstraintException and the message "This property cannot be set to a null value." Without setting tracker variable to the name of each property before assignment, is there a way I can determine which property assignmen...
Exception Handling in C without C++ in Linux
Does Linux provide an exception handling in C without resorting to C++? Or, what might be the best way to implement such an exception handling? The goal is to avoid to check return codes for every function called, but do something like in C++ that is thread safe and easily portable. ...
Overhead of exception handling in D
In the D2 programming language, what are the performance implications of using exception handling? In particular: What if I write no exception handling code? What if I do, but no exceptions are ever thrown? What if I do, and exception are thrown? Does exception handling cause any optimization opportunities to be missed? Can exception h...
Server side Exception or error to be propogated to JSP in Spring
Hi folks, I am trying to show an custom error message on any occurance of exception or error in my business layer. I am catching the exception in my controller and I would like to display it in my JSP. This exception or error is not associated with any field in the screen, its a pure server exception. I am also using an Annotated Contr...
Backend for Java exception reporting GUI.
Very frequently I see error reporting GUIs in commercial software. This includes the whole gamut of commercial software: games, enterprise apps, office apps, etc. For some of my company's software I would like to provide exception reporting GUIs if (and ultimately when) my application fails unexpectedly. Building the GUI is not hard. It...
Multiple specific catch or one catches all?
Hello, I've seen this topic arise sometimes in the past but even after Googling about it, I still can't figure out what would be a good and elegant way to deal with it, so here it goes. Say I have some code that throws various exceptions... try { /* some code that throws these exceptions */ } catch (NoSuchAuthorityCodeException e) {...
Clean way of handling null pointers when using arrays
Hi - I have the following code which is adding somestrings to an arraylist. It will ever so often have an empty variable due to someone not filling it in correctly. I don't own the usr object so I can't modify it unfortunately. Is there a clean and easy way of just adding a default value if one of these values is empty? I don't mind if...
Code won't work in new Class
Hello!! the code in the main class works perfekt but i need a other thread but there the code won't work public class Alarm implements Runnable { @Override public void run() { MediaPlayer mp = new MediaPlayer().create(this, R.raw.alarm); mp.start(); Vibrator v = (Vibrator) getSystemService(Context.VIBRATOR_SERVICE); ...
Exception handling in Java
Hello, I have question about try, catch and finally in Java. Consider the following scenario: try{ //Some code here that throws IOExceotion } catch (IOException ex){ System.out.println("Line 1: IOException Encountered!"); throw ex; } finally { System.out.println("Line 2: I am always executed!"); } What would be the output of the code...
Tutorial for good design of Exception handling
Bit by bit I am collecting knowledge of C#. What Ill like to learn is Good design of Exception handlig ? Form where I should start ? Any Blog , Book or similar ? Is there at all good practice for handling exception or that depends on programmers intuition and state of art or experience whatever? I come to this point for asking this kind ...
exception not being caught
I have the following PHP code on a web page: $wsdl_url = "someURL?wsdl"; try { $client = new SoapClient($wsdl_url, array('login' => 'mylogin','password' => 'mypassword')); $client->myWebMethod(); // <-- problem call } catch (Exception $e) { echo "none"; } It's a basic call to a web service. The problem is that when an er...
Delphi thread exception mechanism
Hello everybody, i have a dilema on how threads work in delphi, and why at a moment when a thread should raise an exception, the exception is not showed. bellow is the code with comments, maybe somebody cand explain to me how that thread, or delphi, is managing access violations //thread code unit Unit2; interface uses Classes, ...