Re: (null) value only in DEV mode

private Connection getConnection() throws NamingException, SQLException {

        Context ctx = null;

        try {

            ctx = new InitialContext();

        } catch (NamingException exp) {

        }

        DataSource ds = (DataSource) ctx.lookup("java:/comp/env/jdbc/postgres");

        return (ds.getConnection());

    }

Do you use DevMode with GWT's embedded jetty? If yes, JNDI DataSources only work in Jetty if configured correctly: https://wiki.eclipse.org/Jetty/Howto/Configure_JNDI_Datasource . However GWT has never officially supported jetty configuration files inside your GWT project, so it might be a better idea to use DevMode with -noserver and setup a correctly configured server of your choice on your local host yourself.

Also if you ignore exceptions then it is quite obvious that you will not see any error messages, right? You should never have empty catch blocks in your code. At least put a log statement in it.

-- J.

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