LiveCycle Designer ES2: Unable to save old XDPs with external data binding option

Issue

If you are attempting to save an XDP file in LiveCycle Designer ES2, created with an earlier version of Designer (i.e. 7, 7.1 or ES), then it can occur that the Save process never completes, and you must kill the Designer process manually in Task Manager.  If you analyse the files on your local disk, you will notice some tmp files with large file sizes.

Reason

This issue is related to the Data Binding option Allow binding to data not defined by the default data connection.  For some forms that contain data connections, Designer ES2 can get stuck in an endless loop while saving the XDP to an intermediary tmp file.  You will see the tmp file will contain a huge number of repeated entries related to the DataDescription similar to the following:

<DATACONNECTION xmlns:dd=”http://ns.adobe.com/data-description/” dd:additions=”$template(DATACONNECTION)”/>

Solution

This issue has been fixed in LiveCycle Designer ES3 and later cumulative QuickFixes for Designer ES2.  You should ensure you are using the latest QF for Designer ES2, or contact your support representative.

Workaround

Removing the data connection will allow the file to be saved, and also disabling the option in the form properties Allow binding to data not defined by the default data connection.  Also putting the sample XML data/schema file used to create the data connection into the same folder as the XDP, opening the XDP, refreshing the Data connection, will then allow to save properly.

reference: (183464630/3296440)

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