This article describes a data loss issue that occurs when LiveCycle ES produces PDFs that are exactly the same size as the LiveCycle ES setting Default document max inline size (bytes).
A log message similar to the following indicates the failure may have occurred:
WARN [com.adobe.util.FileCollector] DOCS006: Failed to delete a file "C:\Adobe\LiveCycle8.2\jboss\server\all\svcnative\DocumentStorage\docm1209920029640\j68f04kcq2hl9q7gqz48pb0k200000vi" after 4340 attempts. The file could still be locked. If this message is consistent, consider restarting the server.
If this message appears recurringly in your log files, do the following to confirm the exact nature of the problem: