During the installation of a large application, such as Oracle Fusion Applications, things can go wrong. Oracle Fusion Applications provides the ability to troubleshoot issues during the installation process. These issues can be resolved, and the installation process can be restarted from the last point of failure.
To achieve these features, Oracle Fusion Applications uses a concept called PhaseGuards. The installer creates a set of files in the
$APPLICATION_BASE/provisioning/phaseguards directory. These files can be monitored during the installation process to track progress. Errors are recorded in these files. Also, a restart of the installation can be initiated by the phase guard files.
All phase guard files follow ...