#### Still need help?

The Atlassian Community is here for you.

## Symptoms

When opening the notification or task box in the upper right corner, it is empty.

The following appears in the atlassian-confluence.log:

caused by: java.sql.SQLException: Incorrect string value: '\xE3\x81\xAB\xE3\x81\x82...' for column 'DATA' at row 1
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1078)

2013-05-30 12:27:40,139 ERROR [http-8090-1] [xxxx] toResponse Exception thrown from resource
at com.google.common.cache.CustomConcurrentHashMap$ComputedUncheckedException.get(CustomConcurrentHashMap.java:3305) at com.google.common.cache.CustomConcurrentHashMap$ComputingValueReference.compute(CustomConcurrentHashMap.java:3441)



## Diagnosis

Run the following query against the Confluence database. The collation for all tables should be unicode utf-8, if they are not set to unicode utf-8 then proceed to the resolution section of this article.

For Oracle databases, the equivalent for utf-8 is AL32UTF8

show table status;

## Cause

Incorrect configuration of database encoding.

## Resolution

Follow the instructions at the following page to convert the database to utf-8 character encoding: