Hi,
This seems to be related to the issue :
https://glassfish.dev.java.net/issues/show_bug.cgi?id=6671 .
The workaround for this issue is
- Do not specify any value for the Database vendor property while creating the jdbc connection pool.
- In the next page, fill in the datasource classname "com.mysql.jdbc.jdbc2.optional.MysqlDataSource" for the mysql database accordingly.
- Also fill in the additional properties with correct name value pairs.
The database vendor in the first step is required by the backend only to fill in the value for datasource classname automatically in the next page. Hence it can be left blank.
HTH.
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