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Developing AppServer Applications
Debugging : Examining the AppServer agent log file
 

Examining the AppServer agent log file

When you investigate errors and troubleshoot code, examine the contents of the AppServer agent log (specified using the srvrLogFile property in ubroker.properties). It can contain OpenEdge system messages (informational, error, and warning) and output from ABL MESSAGE statements that are not assigned an output destination by the OUTPUT TO KEEP-MESSAGES statement. For more information, see the OUTPUT TO statement entry in OpenEdge Development: ABL Reference.
You can choose to track and record procedure information using the following properties in the ubroker.properties file:
*srvrLoggingLevel
*srvrLogEntryTypes
These properties tell an AppServer agent to put procedure call trace messages into the AppServer agent log file with different levels of detail and for different types of information. Specifically, they issue a start message when a remote procedure begins and an end message when a remote procedure returns. Then, when you see a system message in the AppServer agent log file, you can determine what procedure generated a specific message.
You can also troubleshoot functions of the AppServer broker in your application using the corresponding properties in the ubroker.properties file:
*brkrLoggingLevel
*brkrLogEntryTypes
For more information on using log files generated with these and other properties, see OpenEdge Development: Debugging and Troubleshooting.