Log Files

Log file directory: 

Solaris OS: /var/sadm/install/logs/

Linux: /var/opt/sun/install/logs/

Application Server instance log directory (default location for the initially created instance): 

Solaris OS: /var/opt/SUNWappserver/domains/domain1/logs

Linux: /var/opt/sun/appserver/domains/domain1/logs

Message log file name: 

server.log, for each server instance

Configuration Files

Configuration file directory: /var

Troubleshooting

Refer to the Sun Java System Application Server Enterprise Edition 8.1 2005Q2 Troubleshooting Guide.