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Connect-JCA method

Updated on August 10, 2022

Use the Connect-JCA method to communicate through a JCA resource adapter to an external system.


This method operates on a named clipboard page that is the source and destination of data mappings. Make sure the Step Page column that calls this method contains the non-blank name of such a page.

This method has two parameters:

ServiceName Enter the Service Name (second key part) of a Connect JCA rule ( Rule-Connect-JCA rule type). The system uses the class of the step page as the first key part.
RunInParallelSelect if this connector is intended to run in parallel as a child requestor of the current requestor. If selected, use the Connect-Wait method later in the current or a follow-on activity to access results from the connector.


The Connect-JCA method works as follows:

  1. Using rule resolution, locates the Connect JCA rule identified by the ServiceName parameter and the class of the step page or primary page.
  2. Uses request information to assemble a request.
  3. If the step page does not exist, creates a new page, of the class identified in the Pages & Classes tab.
  4. Checks whether simulation is in force for this rule. If so, calls the simulation stub activity.
  5. If simulation is not in force, sends the request to a resource adapter identified in the Connect JCA rule, using a separate requestor if the RunInParallel box is selected. (This temporary requestor has the same access group and clipboard as the original. At most 10 such child requestor sessions can be active at once.)
  6. Processes the response when it is received.

Checking the method status

This method updates the pxMethodStatus property. See How to test method results using a transition.
Caution: Design the activity to detect and handle exceptions. If the Connect-JCA method with the RunInParallel check box selected fails in a way that causes the Connect-Wait method to be skipped, the child requestor can be left hanging.If the limit of parallel requestors is then eventually reached, the parent requestor will fail as well. By default, the limit is 10 requestors in parallel; you can establish a higher or lower value in the prconfig.xml file or dynamic system settings using the services/maxRequestorChildren setting.

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