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Chain of Command methods that contain error throws

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Posted on by Eisenberk

Hello,

I am quite new on D365FO, I am still learning all the ChainOfCommand process.

I extended a standard class which i have to modify the main() method.

//main method in the standard class
public static void main(Args _args)
{
    //Some code
    
    if(....)
    {
        throw error("Error message");
    }
}

So, i extend the main method in the extended class. My problem is that after "next main(null)" there is the possibility that the previous error message is thrown, which i want want to ignore because i am implementing the logic on the extended method

So, i got the idea of doing some try/catch on the extended method.

//Extended method
public static void main(Args _args)
{
    //some code
    
    try
    {
        next main(null)
    }
    catch (Exception::Error)
    {
        continue;
    }
    
    //custom code

Buut, this is not totally correct because i only want to ignore the error thrown in the main method, not other system errors.

Is there any way to achieve my goal?

Thanks in advance,

Eisenberk

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GirishS 27,843 Moderator on at

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Hi Eisenberk,

I think Chain of command won't work here. It will be better to create new class and change all the places where it was used and add the logic as you wish to replace the error.

COC will call the standard method and then it will run your custom logic. So, both logics will get caller and it's not possible to the bypass the error.

Thanks,

Girish S.

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Mohit Rampal 12,573 Moderator on at

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Hi, To avoid error written in main class, before calling next Main() in your CoC class, you can manipulate condition written in If loop so if fails the condition and don't go into if condition.

Please note that it's not always possible to manipulate or by pass standard code.

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Eisenberk 87 on at

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I thought it was possible to avoid the throw error chain by catching it, but it seems is not possible.

I will reevaluate the solution, thanks.

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