User's "Available Language" is not able to be saved if the same value has been saved in another node

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 6.1 EE GA3 (6.1.30), 6.2 EE GA1 (6.2.10)
• Fix Version/s: 6.1.X EE, 6.2.X EE
• Component/s: Fault Tolerance > Clustering Framework
• Labels:
  • 61-ee-ga3-sp4
  • 62-ee-sp12
  • liferay-fixpack-platform-30-6130
  • liferay-fixpack-portal-51-6210
• Business Value: 3

Replication steps:
Set up a cluster environment with two nodes.
1. Start node 1-> Control Panel-> Portal Settings-> Display Settings, save Available language to ar_SA.
2. Start node 2-> Control Panel-> Portal Settings-> Display Settings, save Available language to ar_SA.
3. Change node 1 Available language to ja_JP. Check database portalpreference table, the value is already set to ja_JP.
4. Check this value in node 2 in Control Panel Setting.
Result: This value is kept as ar_SA.
5. Manually change to ja_JP and save
Result: ar_SA is still displayed.