Update Endevor.cfg for Endevor web services using the following setting and recycle Tomcat after the change.
Set Eclipse Text file encoding to ISO-8859-1 (Window -> Preferences -> General -> Workspace->Text file encoding)
Re-add COBOL element that contains French characters to Endevor via Eclipse which corrects the character translation.
Display element in Eclipse
000055 01 LOWER-CASE-FRENCH PIC X(15) VALUE 'àâäæçèéêëîïôùûü'. AYCAPQ.S
000056 01 UPPER-CASE-FRENCH PIC X(15) VALUE 'ÀÂÄÆÇÈÉÊËÎÏÔÙÛÜ'. AYCAPQ.S
Display element in Endevor
+0100 000055 01 LOWER-CASE-FRENCH PIC X(15) VALUE 'àâäæçèéêëîïôùûü'.
+0100 000056 01 UPPER-CASE-FRENCH PIC X(15) VALUE 'ÀÂÄÆÇÈÉÊËÎÏÔÙÛÜ'.