Very kind of you. All I did was swap mysql-connector-java-8.0.19.jar in place 
of the more recent mysql-connector-java-8.0.22.jar and it resolved my problem. 
Using the latest 8.0.22 version, I get the "Incorrect DATE value: '??’at” error.

Should I update my Wonder code anyway? My last grab of it was in 2015! I have 
been scared to touch it.

Obviously it is a concern that the latest mysql jdbc connector has this problem 
and I would be interested to know whether anyone else had tried 8.0.22 with 
success. For now I can work with the 8.0.19 version.

Thanks
John

> On 9 Nov 2020, at 13:31, CEO BASE USA <gino.paci...@baseenterpriseus.com> 
> wrote:
> 
> Hi John
> I used this jar and then this config
> 
> MYEOMODEL.URL = 
> jdbc:mysql://127.0.0.1/MYDATABASE?capitalizeTypeNames=true&useUnicode=true&characterEncoding=UTF-8&zeroDateTimeBehavior=convertToNull&useSSL=false&sendFractionalSeconds=false
>  
> <mysql://127.0.0.1/MYDATABASE?capitalizeTypeNames=true&useUnicode=true&characterEncoding=UTF-8&zeroDateTimeBehavior=convertToNull&useSSL=false&sendFractionalSeconds=false>
> 
> MYEOMODEL.URL.DBUser = xxx
> MYEOMODEL.URL.DBPassword = xxx
> MYEOMODEL.URL.DBPlugin = MySQL
> MYEOMODEL.URL.DBDriver = com.mysql.cj.jdbc.Driver
> #dbEOPrototypesEntityGLOBAL=EOJDBCMySQLPrototypes
> <mysql-connector-java-8.0.19.jar>
> 
>> On 9 Nov 2020, at 11:58, John Pollard via Webobjects-dev 
>> <webobjects-dev@lists.apple.com <mailto:webobjects-dev@lists.apple.com>> 
>> wrote:
>> 
>> Hello WO list,
>> 
>> I upgraded my Mac to Catalina and found mysql 5 no longer ran, so installed 
>> mysql 8
>> 
>> I switched to the latest mysql-connector-java-8.0.22.jar
>> 
>> I note the following error when I run an application:
>> 
>> Loading class `com.mysql.jdbc.Driver'. This is deprecated. The new driver 
>> class is `com.mysql.cj.jdbc.Driver'. The driver is automatically registered 
>> via the SPI and manual loading of the driver class is generally unnecessary.
>> 
>> My connection dictionary:
>> URL: 
>> jdbc:mysql://localhost/BetRankDB?user=root&capitalizeTypeNames=true&useUnicode=true&characterEncoding=UTF-8&sendFractionalSeconds=false
>>  
>> <mysql://localhost/BetRankDB?user=root&capitalizeTypeNames=true&useUnicode=true&characterEncoding=UTF-8&sendFractionalSeconds=false>
>> Driver: com.mysql.jdbc.Driver
>> Plugin: MySQL
>> 
>> I tried removing the Driver, but got the same error message. So I changed 
>> Driver to com.mysql.cj.jdbc.Driver and that error went away.
>> 
>> However, I get the following exception:
>> 
>> er.transaction.adaptor.Exceptions  - Database Exception occured: Incorrect 
>> DATE value: '??’at 
>> com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:129)
>> 
>> at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:97)
>> at 
>> com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:122)
>> at 
>> com.mysql.cj.jdbc.ClientPreparedStatement.executeInternal(ClientPreparedStatement.java:953)
>> at 
>> com.mysql.cj.jdbc.ClientPreparedStatement.execute(ClientPreparedStatement.java:370)
>> at 
>> com.webobjects.jdbcadaptor.JDBCChannel._bindInputVariablesWithBindingsAndExecute(JDBCChannel.java:265)
>> at 
>> com.webobjects.jdbcadaptor.JDBCChannel._evaluateExpression(JDBCChannel.java:337)
>> at 
>> com.webobjects.jdbcadaptor.JDBCChannel.evaluateExpression(JDBCChannel.java:296)
>> at 
>> com.webobjects.jdbcadaptor.JDBCChannel.selectAttributes(JDBCChannel.java:220)
>> at 
>> com.webobjects.eoaccess.EODatabaseChannel._selectWithFetchSpecificationEditingContext(EODatabaseChannel.java:897)
>> at 
>> com.webobjects.eoaccess.EODatabaseChannel.selectObjectsWithFetchSpecification(EODatabaseChannel.java:234)
>> at 
>> com.webobjects.eoaccess.EODatabaseContext._objectsWithFetchSpecificationEditingContext(EODatabaseContext.java:3055)
>> at 
>> com.webobjects.eoaccess.EODatabaseContext.objectsWithFetchSpecification(EODatabaseContext.java:3195)
>> at 
>> com.webobjects.eocontrol.EOObjectStoreCoordinator.objectsWithFetchSpecification(EOObjectStoreCoordinator.java:488)
>> at 
>> com.webobjects.eocontrol.EOEditingContext.objectsWithFetchSpecification(EOEditingContext.java:4069)
>> at er.extensions.eof.ERXEC.objectsWithFetchSpecification(ERXEC.java:1308)
>> at 
>> com.webobjects.eocontrol.EOEditingContext.objectsWithFetchSpecification(EOEditingContext.java:4444)
>> 
>> I confess I haven’t updated Wonder code for a very long time, could that be 
>> the issue?
>> 
>> Many thanks for any pointers.
>> 
>> John
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