After upgrading the Jboss you wanted to do some changes to default settings that were not provided in GUI or manual configuration of IGA Xpress.
You did it from /opt/brcm/iga/inst/idm/startup/templates/jboss8.0.xml and the changes were not reflected in idm.xml or Identity Manager Environment.
IGA Xpress v15
Depending on the verion of Jboss 8.0 or 8.X you should do changes in
/opt/brcm/iga/inst/idm/startup/templates/jboss8.0.xml
or
/opt/brcm/iga/inst/idm/startup/templates/jboss-latest.xml with a warning that:
See Jboss documentation for more details.