Understanding the UI Builder Error and Its Impact

The recent identification of a defect in the Vancouver version, particularly related to the UI Builder, has raised concerns for users. Upon upgrading, a critical error message "Internal Server Error (500)" appears, hindering the functionality of the Page or Variant in the UI Builder. This problem specifically occurs when the instance includes a manually created system property com.glide.script.interpret.short.expressions.threshold with a non-default value.

Identifying Affected Instances

A thorough assessment indicates that several production instances with this manually created system property are either already operating on Vancouver or are potential upgrade candidates. This defect poses a significant risk to operational stability and performance.

Proactive Measures and Maintenance Schedule

In response, a proactive strategy has been formulated to address this issue. The key step involves deleting the manually created com.glide.script.interpret.short.expressions.threshold system property. This action is pivotal in realigning the system with the default built-in value, thereby mitigating the risk of encountering the error.

Scheduled Maintenance Details

• Anticipated Impact: It is important to note that this maintenance is expected to occur without any downtime or adverse effects on the system's performance.

Opt-Out Option and Alternative Solutions

For instances where the scheduled maintenance is not feasible, an "Opt out" option is available. This can be executed via the Communication Record on the portal, followed by instructions in the Workaround section of KB1541877.

Additional Resources and Support

For further details regarding this issue and the planned maintenance, users are encouraged to consult KB1541877. This knowledge base article offers comprehensive insights and guidelines on managing the defect effectively.

Conclusion

The proactive steps taken to address the UI Builder defect in the Vancouver version demonstrate a commitment to ensuring system reliability and performance. By aligning with the maintenance schedule or opting for alternative solutions, users can effectively navigate this challenge with minimal disruption.