In GWT Alert Message Box issue

[Rajesh Prabhu]

Hi all,

In my servlet class I am pushing a GWT Message Box when I get an exception. This Message Box contains one OK button after user clicks on OK login Page will be displayed to the user. But in reality, what is happening is after clicking OK button in Message box again same MEssage Box is coming back and Login Page is not displayed. Issue is resolved when we manually clear cache in browser and reload page. Any fix?

[J. Kevin Robbins]

I suspect the problem lies in the asynchronous nature of JavaScript. A regular JavaScript message box will stop browser execution, but a GWT message box does not; your script continues to run.

Try using "console.log" for your exception messages instead of a message box.

Moving to HTML/JavaScript forum.

[Rajesh Prabhu]

But I need to intimate end user with message box.

[J. Kevin Robbins]

Can you use a regular JavaScript message box, or a jQuery dialog?

I'm not familiar enough with GWT to help much with this one. Maybe Bear can help when he gets here in a couple of hours.

[Rajesh Prabhu]

Okay Thank you

[Bear Bibeault]

Sorry cannot help. My view of GWT is a pretty low one. I have moved this tot he GWT forum where those familiar with GWT might see this.

[Maneesh Godbole]

Rajesh Prabhu wrote:
In my servlet class I am pushing a GWT Message Box when I get an exception. This Message Box contains one OK button after user clicks on OK login Page will be displayed to the user. But in reality, what is happening is after clicking OK button in Message box again same MEssage Box is coming back and Login Page is not displayed. Issue is resolved when we manually clear cache in browser and reload page. Any fix?

To start with MessageBox is not GWT but rather GWTX.
Did you try switching to Window#alert() ?

[Rajesh Prabhu]

Yes, I have tried but it's not working. I am getting Alert Box again and again and it's not redirecting to login page. I am getting same Alert Box.

[Maneesh Godbole]

Please post your SSCCE so we can take a look

[Rajesh Prabhu]

Here it is,

MessageBox.alert( "title", "error",
                                        new MessageBox.AlertCallback() {
                                            public void execute()
                                            {
                                                Window.open( "loginpage.html", "_self", "" );
                                            }
                                        } );

[Maneesh Godbole]

Rajesh Prabhu wrote:Here it is,

MessageBox.alert( "title", "error",
                                        new MessageBox.AlertCallback() {
                                            public void execute()
                                            {
                                                Window.open( "loginpage.html", "_self", "" );
                                            }
                                        } );

I wrote:Did you try switching to Window#alert() ?