What is the most idiomatic (used for its intented purpose) way to build the mule flow so it can best recover from the expected outages?

In a Mule Application, a flow contains two (2) JMS consume operations that are used to connect to a JMS broker and consume messages from two (2) JMS destination. The Mule application then joins the two JMS messages together.

The JMS broker does not implement high availability (HA) and periodically experiences scheduled outages of upto 10 mins for routine maintenance.

What is the most idiomatic (used for its intented purpose) way to build the mule flow so it can best recover from the expected outages?
A . Configure a reconnection strategy for the JMS connector
B . Enclose the two (2) JMS operation in an Until Successful scope
C . Consider a transaction for the JMS connector
D . Enclose the two (2) JMS operations in a Try scope with an Error Continue error handler

View Answer

Answer: A

Explanation:

When an operation in a Mule application fails to connect to an external server, the default behavior is for the operation to fail immediately and return a connectivity error. You can modify this default behavior by configuring a reconnection strategy for the operation. You can configure a reconnection strategy for an operation either by modifying the operation properties or by modifying the configuration of the global element for the operation. The following are the available reconnection strategies and their behaviors: None Is the default behavior, which immediately returns a connectivity error if the attempt to connect is unsuccessful Standard (reconnect) Sets the number of reconnection attempts and the interval at which to execute them before returning a connectivity error Forever (reconnect-forever) Attempts to reconnect continually at a given interval