Hi Expert (atlassian-jira.log) ,

I was unable to access my system at yesterday. When we try to access it appear an error called “Proxy error”.

Could you tell me what caused it?

Have a look screen shot below and let us know the update.

we can access using localhost and when we try to access using base url then appear this error.

I have been checked the attached log file but didn't find any issue.Could you please check this attached log file and tell me what was the reason?



3 answers

0 votes

Hi Mohin,

please take a look here https://confluence.atlassian.com/display/JIRAKB/500+Internal+Server+Error+due+to+ParseException+es-419+is+not+a+valid+language+tag

This is one recurrent error that appears into your log file.

Hope this helps,


Since it refers to /rest/helptips/1.0/tips, you may also try to disable helptips as in this other KB.


Hi Fabio,

How can we resove this issue?



Hi Mohin,

did u try to change language settings as per my link? You should be able to perform this change using localhost.

Let me know,


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