Logging and Tracing in Management Center

• Open WebSphere Commerce Developer and switch to the Package Explorer view.
• Right-click LOBTools and click Properties. Select OpenLaszlo Settings.
• Clear the Enable the debug console check box. Click Apply.

URL - debugger enable
https://host_name:8000/lobtools?logger.display=true

https://host_name:8000/lobtools?logger.display=true&logger.enabled=true&logger.bufferSize=500&logger.Interval=30&logger.level=ALL&logger.components=com.company.component1,com.company.component2

Component Log Levels   
    com.ibm.commerce.lobtools.foundation.view
    com.ibm.commerce.lobtools.foundation.model
    com.ibm.commerce.lobtools.foundation.service
    com.ibm.commerce.lobtools.foundation.util
    com.ibm.commerce.lobtools.foundation.shell

Use the Debug.debug() method to print messages in the debugger console.