You can review the installation log files at:
For Solaris SPARC and x86 root user: /var/sadm/install/logs/Install_Application_Server_8EE_timestamp.log
For Solaris SPARC and x86 non-root user: /var/tmp/Install_Application_Server_8EE_timestamp.log
For Linux root and non-root user: /var/tmp/Install_Application_Server_8EE_timestamp.log
For Windows root and non-root user: %TEMP%\\Install_Application_Server_8EE_timestamp.log
You can review the low-level log files at:
Solaris (root installation): /var/sadm/install/logs/Sun_Java_System_Application_Server_Enterprise_Edition_install.Btimestamp
Solaris (non-root installation): /var/tmp/Sun_Java_System_Application_Server_Enterprise_Edition_install.Btimestamp
Linux: /var/tmp/Sun_Java_System_Application_Server_Enterprise_Edition_install.Btimestamp
Windows: %TEMP%\\Sun_Java_System_Application_Server_Enterprise_Edition_install.Btimestamp