iOS Question LastException question

[Alex_197]

Hi all.
I just did a simple test - if I put my code into Try/Catch LastException shows me an error description but doesn't show a line number wher the error happens.
If I run my code without Try/Catch it shows (in red in the log) exact line number, error description but the app crashes.

My question is:

Is it possible to see a line number where the error happenes when I'm using Try/Catch? The problem is that the error happens randomly, error message says someting about attempt to insert nil object from objects (similar to this https://www.b4x.com/android/forum/threads/solved-attempted-to-insert-nil-object-file-exists.104839/) and I'm trying to fugure out what causes this error.

this is just an example where I played with try/catch

Sub Button1_Click
    
    Try
        
        Dim a As Int
        a=2/"n"
        Log(a)
    
    Catch
        Log(LastException)       
    End Try
    
End Sub

This is what I see in the log
'<B4IExceptionWrapper: Error Domain=caught_exception Code=0 "java.lang.NumberFormatException: For input string: "n""
'UserInfo={NSLocalizedDescription=java.lang.NumberFormatException: For input string: "n"}>

If I run the same code without try / catch I see this

Application_Start
Application_Active
Error occurred on line: 39 (Main)
java.lang.NumberFormatException: For input string: "n"

 

[Erel]

Is it possible to see a line number where the error happenes when I'm using Try/Catch?

No. That information isn't available when you catch the exception.