An exception occurred during the loading of an O/R mapping file. (file = aa....aa, detail = bb....bb)

aa....aa: File name used for O/R mapping
bb....bb: Exception information

Description

An exception occurred while loading the O/R mapping file.

Action

Check the file specified in the <mapping-file> tag of persistence.xml.

The causes of occurrence of this error might be that the file does not exist or the access permission to the file is not available.