Web Developer Specialist Exam

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Marcos Oliveira 73 %
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Web Developer Specialist
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The logs for the runtime of the platform are available in the Service Center console of each
environment:
Errors
General
Traditional Web requests
Screen requests
Service Actions
Integrations
Extensions
Timers
Emails
Processes
Mobile Apps
More info here
Logs are stored in a different table every week. The rotation occurs every Friday at 11h45 PM
(database time). The same cycle number is used for all log types in a given week. The cycle
number is determined from the current date: the math formula (Number of weeks between Jan
1st, 2000 and today) MOD 10 is used for this purpose.
More info here
Web Developer Specialist Exam
The information contained in these documents is privileged and only for the use of the intended recipient and may not be used, reproduced,
published, or redistributed without the prior written consent of ITUp.
1
https://success.outsystems.com/support/troubleshooting/getting_logs_for_troubleshooting_purposes/
https://success.outsystems.com/documentation/11/managing_the_applications_lifecycle/monitor_and_troubleshoot/logging_database_and_architecture/the_log_tables_and_views/
To configure the logging level, do the following:
Go to the Service Center management console of your OutSystems environment.
Go to the Factory tab and click on the link with the name of your application.
In the Modules tab, click on the link with the module name containing the REST API or the
consumed SOAP Web Service you want to configure.
In the Integrations tab, click on the desired REST API or SOAP Web Service link to configure
it.
Set the Logging Level to the desired value: Default, Troubleshoot, or Full.
Click Apply.
More info here
OutSystems can raise Security Exceptions whenever you have authentication or other security
mechanisms in your application module. Security Exceptions include:
Invalid Login—The login provided by the end user isn't correct. The Login and LoginPassword
System Actions raise this exception.
Not Registered - The end user is not registered and cannot access the current screen without
registration.
When you create new custom Roles in your module, OutSystems creates specific Role Exceptions
under Not Registered Exception:
Not – the end user is accessing a screen without an authorized Role.
A Security Exception Handler handles any of the above exceptions without a more specific
Exception Handler.
More info here
REST uses a URL for a single Method or a Swagger file for multiple methods and returns values in
JSON.
More info here
Web Developer Specialist Exam
The information contained in these documents is privileged and only for the use of the intended recipient and may not be used, reproduced,
published, or redistributed without the prior written consent of ITUp.
2
https://success.outsystems.com/documentation/11/extensibility_and_integration/set_the_logging_level_of_rest_and_soap_integrations/
https://success.outsystems.com/documentation/11/developing_an_application/implement_application_logic/handle_exceptions/
https://success.outsystems.com/documentation/11/extensibility_and_integration/rest/consume_rest_apis/consume_one_or_more_rest_api_methods/
SOAP uses a WSDL File and returns values in XML.
More info here
BPT Supports multiple activities, with a timeout of 5 min per automatic activity. Light BPT
supports only one automatic activity, timeout 3 min.
More info here
Timers and batch jobs should be built with partial processing capability and auto-timeout
mechanisms.
These features will prevent run-away jobs, endless data reprocessing, and data inconsistencies.
Also, if two timers are writing data in the same database table, the timers should run sequentially.
More info here
Best Practices
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Use Aggregates: they’re optimized and database-independent!
More info here
Web Developer Specialist Exam
The information contained in these documents is privileged and only for the use of the intended recipient and may not be used, reproduced,
published, or redistributed without the prior written consent of ITUp.
3
https://success.outsystems.com/documentation/11/extensibility_and_integration/soap/consuming_soap_web_services/consume_a_soap_web_service/
https://learn.outsystems.com/training/journeys/async-capabilities-649/asynchronous-processes-comparison/o11/793
https://learn.outsystems.com/training/journeys/async-capabilities-649/best-practices-on-timers/o11/803
https://success.outsystems.com/documentation/best_practices/development/outsystems_platform_best_practices/