IN Apache Beam how to handle exceptions/errors at Pipeline-IO level

Question

i am using running spark runner as pipeline runner in apache beam and found an error. by getting the error, my question araised. I know the error was due to incorrec

Answer 1

You have to create a custom excetpion handler class to catch that exception for eg;

need to implement a custom method like this

public Mycust_Exception(String string) {
    super("Error Obtained by "+string);
}

here i have just returned the string but can also throw using super() and now you need to declare try-catch blocks where you expect to have exception and also follow PTranformation_level_exceptionHandler_implementation

and call the throw statement like this in catch block

throw new Ezflow_Exception("Invalid statement");

this implementation can surely satisfy your query mostly. for Java programing it is one of most common way to implement