The `catch-block` in a program is used to handle an `exception` thrown by a block of code.
Questions tagged [catch-block]
144 questions
0
votes
3 answers
How to Avoid Throwing An Error When SQL Select Returns Nothing
I read somewhere that one should never use error conditions as normal program flow. Makes excellent sense to me... But
C# application sitting on top of a MySQL db. I need to parse a string value into two parts, an ID, and a value. (The original data…
EoRaptor013
- 1,735
- 4
- 18
- 31
0
votes
1 answer
Is there a way to separate out information provided in cause for exceptions?
When I am printing the cause of TimeoutException caused by NoSuchElementException as in :
catch (TimeoutException tox) {
tox.printStackTrace();
printWarn("Cause for failure => " + tox.getCause());
}
The output to what I get…
Naman
- 27,789
- 26
- 218
- 353
0
votes
0 answers
TCL catch ignores error
proc handler { args } {
if { [catch {eval $args} errorMessage] } {
_report_error "$errorMessage"
}
}
args is script which has call from another TCL file
proc is_threshold_percent {thresholdValue } {
#some code here
if { […
Armen Yeganyan
- 89
- 8
0
votes
4 answers
.Net: What is your confident approach in "Catch" section of try-catch block, When developing CRUD operations?
I was wondering if there would be any confident approach for use in catch section of try-catch block when developing CRUD operations(specially when you use a Database as your data source) in .Net?
well, what's your opinion about below lines?
public…
odiseh
- 25,407
- 33
- 108
- 151
0
votes
1 answer
Using continue statement in catch block
I have a foreach loop that is looping through an entity framework result. Each result is being passed through a function. So to catch any errors I have a try/catch block setup.
Something like this:
foreach (var resetReq in query)
{
try
{
…
ITninja04
- 53
- 2
- 5
0
votes
1 answer
Automaticall replacing single catch clauses with duplicate catch clauses
Does anyone know whether there is a tool or something similar to replace single catch clauses with duplicate code within it in java with multiple catch clauses to remove duplicate code?
Context is an upgrade vom java jdk6 to 7.
Thanks and cheers,…
Stefan
- 1,590
- 3
- 18
- 33
0
votes
2 answers
java catch block is causing multiple outputs
I wrote a program to accept input from a text file, and display the words from the file in ascending order with no duplicates. The output is correct if there is no exception thrown. If the exception is thrown, the user is asked for valid input and…
snaper
- 5
- 3
0
votes
0 answers
Catching an error from a 3rd Party function in Javascript
I'm using an ID3 tag reader library https://github.com/43081j/id3 & the example function to call is in this format...
id3(this.files[0], function(err, tags) {
console.log(err, tags);
});
It works great for most files but from time to time there…
Chris
- 1,054
- 2
- 12
- 24
0
votes
1 answer
SQLite gives Exception
I am struggeling with adding a list of items into a database, I want to keep adding a person's data as I add more of the items. Here is my code:
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using…
user2980509
- 132
- 1
- 3
- 12
0
votes
1 answer
Haskell Sqlite3 - Catching exceptions
I would like to know how I can catch an exception if raised by the following piece of code
query_3 <- quickQuery' conn_1 "SELECT MAX(high) \
FROM historicalData " []
mapM_ (putStrLn…
Prasadika
- 897
- 2
- 20
- 36
0
votes
2 answers
Throwing and catching exceptions #2
I've a console application that zips files and then send them via email. It does that every hour.
I wanted to know what kind of exceptions should I handle ? Let say if there's no network available when the process starts. What exception will I get…
user2901683
- 175
- 1
- 1
- 12
0
votes
2 answers
If possible to cotinue a For Each loop after an error jump in VB.NET?
I have a BackGroundWorker with a For Each loop that is inside of a Try Catch and I need to detect the error and continue the For Each loop whit the next item.
Actually I have a list of data to send to a server trough UDP and wait for an ACK, but if…
E_Blue
- 1,021
- 1
- 20
- 45
0
votes
1 answer
How to catch the error on screen into variable in TCL using catch
To grep the error on the screen though catch eg
puts $c
#error on terminal : can't read "c": no such variable
catch {puts $c} err
puts $err # value of err 1
Is there any way to catch actual error message in
TCL apart from signal in…
made_in_india
- 2,109
- 5
- 40
- 63
0
votes
1 answer
does not work with JSTL 1.2
I'm implementing a simple JSP page using JSTL 1.2 (Apache Taglibs). The page does the following:
The HTML input element looks like…
Ilio Catallo
- 3,152
- 2
- 22
- 40
-1
votes
1 answer
Why is `.then()` processed when fetch fails?
Consider the following code where I tried to shield fetch against any unsuccessful connections (I call them non "200-ish" in the comments) and provide a function that will make use of its successful results:
const callApi = () => {
return…
WoJ
- 27,165
- 48
- 180
- 345