This is known problem of connector versions 188.8.131.52 and older and is caused by illegal non-ascii characters in text strings (i.e. Product name, Product description etc.).
- Problem was solved in connector version 184.108.40.206. Therefore, if you are experiencing this error, we encourage you to upgrade to the latest connector version.
- However, in some rare cases source code modification is needed, according to your server settings - see
Jira server NoStress Developer key XML-514
In version 220.127.116.11 new directive was introduced to connector configuration page. This option is called Regular expression for illegal characters removal and allows you to insert hexadecimal representations of illegal characters, causing this error.