[SCB-2789] available zone configuration default value should remains for null

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: java-chassis-3.0.0, java-chassis-2.8.13
• Component/s: Java-Chassis
• Assignee: liubao
• Reporter: liubao
• Created: 05/May/23 02:44
• Updated: 06/May/23 13:38
• Resolved: 06/May/23 13:38

Description

Default value changed in SCB-2361 Support SC dual cluster multi active mode

and this will cause some trouble when upgrading. e.g.  New started client will have zone 'default' and will only forward messages to servers have zone 'default', this will cause not loadbalanced when there are many servers. 

Issue Links

• links to: GitHub Pull Request #3770