Oracle® Business Intelligence Scheduler Guide > General Information About Oracle BI Scheduler >
About the Oracle BI Scheduler Log File
Oracle BI Scheduler logs information about its startup and shutdown activities in the NQScheduler.log file, located in the directory $INSTALLDIR\server\Log\. Entries are written in UTF-8 format.
You can use a text editor to view this file. Set your viewer to UTF-8 to display readable text.