If the database is running in embedded mode, you must perform an offline backup.
Change to the Service Registry install directory:
cd ServiceRegistry-base/install
Execute the following command (all on one line):
Ant-base/ant -f build-install.xml Dinstall.properties=props-file appserver.domain.stop
where props-file is the path name of the copy of install.properties file that you edited in To Configure Service Registry as Root Using Custom Properties After a Configure Later Installation or To Configure Service Registry as a Non-Root User Using Custom Properties After a Configure Later Installation.
Execute the following command (all on one line):
Ant-base/ant -f build-install.xml Dinstall.properties=props-file backup.db
Restart the domain by executing the following command (all on one line):
Ant-base/ant -f build-install.xml Dinstall.properties=props-file appserver.domain.start