Never mind; I was able to answer my own question. The answer is actually quite 
simple:

just needed to append the &serverTimezone=value to the url string passed in the 
properties object sent to the persistence entity manager

> On Apr 15, 2019, at 7:22 PM, Terry Warren <te...@trwarren.com> wrote:
> 
> Hi - I have a question regarding mysql server access from Netbeans java 
> project, using netbeans 8.2; the project has been working fine until I 
> recently upgraded the JConnector to be 8.0.15 (and server also upgraded to 
> 8.0.15)
> 
> When I try to access the DB on the server I get error messages such as:
> 
> [EL Info]: 2019-04-15 17:45:41.769--ServerSession(1608659406)--EclipseLink, 
> version: Eclipse Persistence Services - 2.5.2.v20140319-9ad6abd
> [EL Severe]: ejb: 2019-04-15 
> 17:45:42.016--ServerSession(1608659406)--Exception [EclipseLink-4002] 
> (Eclipse Persistence Services - 2.5.2.v20140319-9ad6abd): 
> org.eclipse.persistence.exceptions.DatabaseException
> Internal Exception: java.sql.SQLException: The server time zone value 'PDT' 
> is unrecognized or represents more than one time zone. You must configure 
> either the server or JDBC driver (via the serverTimezone configuration 
> property) to use a more specifc time zone value if you want to utilize time 
> zone support.
> Error Code: 0
> 4/15/19 5:45:42 PM PDT sqls: create connection: 
> javax.persistence.PersistenceException: Exception [EclipseLink-4002] (Eclipse 
> Persistence Services - 2.5.2.v20140319-9ad6abd): 
> org.eclipse.persistence.exceptions.DatabaseException
> Internal Exception: java.sql.SQLException: The server time zone value 'PDT' 
> is unrecognized or represents more than one time zone. You must configure 
> either the server or JDBC driver (via the serverTimezone configuration 
> property) to use a more specifc time zone value if you want to utilize time 
> zone support.
> Error Code: 0
> 
> If I write a simpler program to simply access the DB directly using this 
> connector, it also fails but can be corrected by adding &serverTimezone value 
> to connection string.
> 
> So my question is: how do I achieve this same result when using the Netbeans 
> entity management as I don't know how to add this parameter.( I can control 
> the parameters: url, user and password).
> 
> The same problem occurs when using Netbeans 9 IDE.
> 
> thanks for any responses
> Terry Warrenuser
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