Parallel for each in mule 4 error handling

1. How do you handle exceptions in parallel ForEach?
2. How do you handle error in for each in Mule 4?
3. What is the use of parallel ForEach in Mule 4?
4. What is the difference between scatter gather and parallel ForEach?

How do you handle exceptions in parallel ForEach?

For and Parallel. ForEach overloads do not have any special mechanism to handle exceptions that might be thrown. In this respect, they resemble regular for and foreach loops ( For and For Each in Visual Basic); an unhandled exception causes the loop to terminate as soon as all currently running iterations finish.

How do you handle error in for each in Mule 4?

There are following ways to handle the error in Mule 4. if you want to handle any error raised in a sub flow. Use on error continue error handler, when you do not want to let the parent flow/sub flow know that error has occurred and want to continue the processing further.

What is the use of parallel ForEach in Mule 4?

The Parallel For Each scope enables you to process a collection of messages by splitting the collection into parts that are simultaneously processed in separate routes within the scope of any limitation configured for concurrent-processing.

What is the difference between scatter gather and parallel ForEach?

For example, if there are 10 elements and the maximum number of processes is set to 2, a Parallel For-Each card processes two elements at a time, five times. Scatter Gather runs two or more parallel processes, called routes. When all routes are finished, the results from each route are gathered into a new payload.