Please note that SQL Workbench/J has no relation to the product MySQL WorkbenchLink Arrow which is maintained and owned by Oracle.
If you are looking for MySQL Workbench support please contact Oracle.

There are three ways how you can get support for SQL Workbench/J

When reporting a problem, always include the build number of SQL Workbench/J you are using together with the DBMS, its version and the JDBC driver you are using. This information is shown in the connection info dialog, that can be obtained by right clicking on the connection URL in the main window and choosing "Connection info".

Please also attach the full logfile. The location of the logfile is shown in the About dialog (the you can copy the filename from within the dialog).