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Incorrect Vietnamese encoding in customer portal when page reloading


I am getting a weird error with customer portal(only this page) Jira Service Desk

At the first time loading page, everything is OK, Vietnamese encoding(UTF-8) is correct displaying:


But when I reload page,  Vietnamese encoding(UTF-8) is not correct displaying until I back the home page and reopen requested ticket:


Hope your support to troubleshoot this problem.

Thank you so much!


Hi Bảo,

Is this cloud or server? If it is server, what database do you use and what encoding do you use for your database?

Hi Nguyen,

I am using Jira Server Desk Server and H2 database default for it. This problem only happens in customer portal at the second page reloading.

Hi Bao,

Make sure your system encoding is set to UTF-8 by going into Jira Admin > System > System Info

If that one is already correct, stop your Jira application and add this line into your (or setenv.bat if you are on windows server).


set JVM_SUPPORT_RECOMMENDED_ARGS=-Dfile.encoding=utf-8 -Dsun.jnu.encoding=utf-8

JVM_SUPPORT_RECOMMENDED_ARGS="-Dfile.encoding=utf-8 -Dsun.jnu.encoding=utf-8"

The location of your setenv file is at:


Then start your Jira application up again for the change to apply.


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