Thanks for the replies.

I've currently solved the problem by disabling "Use Google App
Engine". After that i got other exceptions which i managed to solve by
removing certain jar files out of the Build Path manually (relating to
Google App Engine).


On 2 Jul., 02:59, mdwarne <mike.wa...@gmail.com> wrote:
> Are you trying to load the driver in the Server Code, or in the
> Client?
> You can not connect to a database from the Client Code (Browser
> javascript), only from the Server code.
>
> I am using MySql in my projects  using RPC (Servlet).
>
> In my RPC servlet I have code like this that works fine....
>
> public Connection getConnection() throws Exception {
>         Class.forName("com.mysql.jdbc.Driver").newInstance();
>         Connection c = DriverManager.getConnection("jdbc:mysql://"+host
> +"/"+db,
>                         login, passw);
>         return c;
>
> }
>
> Mike.
>
> On Jun 30, 4:41 am, Hotkey <henrik.brinkm...@googlemail.com> wrote:
>
>
>
> > Dear All,
>
> > this is my first post in this group, hopefully i'm not doing anything
> > wrong. I've searched for this topic but didn't found any solution.
>
> > I'm quity new to GWT and are currently writing my first Client/Server
> > example. Actually i want to read some Data from a database but i
> > didn't get the connection to work.
>
> > At the source
> > "Class.forName("org.gjt.mm.mysql.Driver").newInstance();" a
> > ClassNotFoundException is thrown.
>
> > I'm using Eclipse and have tried the following:
> > Project Properties -> Java Build Path -> Libraries -> Add External Jar
>
> > Result: still ClassNotFoundException
>
> > Manually Copied the file into the WEB-INF\lib directory.
>
> > Result:
> > ExceptionInInitializerError at the line: this.conn =
> > DriverManager.getConnection("<my connection string>"):
>
> > Caused by: java.lang.ExceptionInInitializerError
> >         at
> > com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:
> > 282)
> >         at java.sql.DriverManager.getConnection(Unknown Source)
> >         at java.sql.DriverManager.getConnection(Unknown Source)
> >         at
> > com.setlog.gwt.servicetest.server.db.DBInterface.<init>(DBInterface.java:
> > 69)
>
> > Hopefully someone can help me with this

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