Registration of certain characters may fail.

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Issue

• The following error is thrown when certain characters are included in the registration of web content, notice portlets, etc.

Incorrect string value: '\xF3\xA0\x84\x80\xE9\x87...' for column 'content' at row 1

Environment

• Liferay Portal 6.2, Liferay DXP 7.0, Liferay DXP 7.1, Liferay DXP 7.2

Resolution

• If you are using MySQL and the charset setting is UTF-8, an error may be thrown
• This problem occurs because MySQL UTF-8 can store up to 3 bytes and does not support characters with more than 3 bytes.
• You need to set the charset to utf8mb4 or use a database other than MySQL
• If you use utf8mb4, adjust the database-oriented settings defined in portal-ext.properties as follows

jdbc.default.url = jdbc: mysql: // localhost / lportal? dontTrackOpenResources = true&holdResultsOpenOverStatementClose = true&useFastDateParsing = false

Additional Information

• UTF-8 encoder/decoder: https://mothereff.in/utf-8