Article View: borland.public.jbuilder.java.swing
Article #12300Re: JDialog: NullPointer Exception in IE
From: LMarco
Date: Fri, 29 Jan 1999 00:00
Date: Fri, 29 Jan 1999 00:00
59 lines
2583 bytes
2583 bytes
Hi,
I tested my applet with IE 5.0beta and in this version everything works
fine.
So it seems to be a Microsoft bug in IE 4.01!
by
LMarco
LMarco wrote:
> Dear All,
> I have posted this question a few weeks ago, but nobody could help me
> with this problem. Everytime when a user closes a JDialog in my applet
> the following exception occures in IE:
>
> Exception occurred during event dispatching:
> java.lang.NullPointerException
> at java/awt/LightweightDispatcher.retargetMouseEvent
> at java/awt/LightweightDispatcher.processMouseEvent
> at java/awt/LightweightDispatcher.dispatchEvent
> at java/awt/Container.dispatchEventImpl
> at java/awt/Component.dispatchEvent
> at java/awt/EventDispatchThread.run
>
> I use the following code to build and show the JDialog:
>
> public boolean ShowYesNoDialog() {
> JOptionPane AskDialog = new JOptionPane(){
> public int getMaxCharactersPerLineCount() {return 80;}
> };
> String[] options ={"YES","NO"};
> AskDialog.setMessageType(JOptionPane.QUESTION_MESSAGE);
> AskDialog.setOptionType(JOptionPane.YES_NO_OPTION);
> AskDialog.setMessage("Do you really want to search without any
> predefined values ?");
> AskDialog.setOptions(options);
>
> JDialog dialog = AskDialog.createDialog(D3WWWClient.container1,
> "Hello");
> dialog.setSize(dialog.getSize().width+5,dialog.getSize().height+5);
> // solve Sizebug in Hotjava
> dialog.setModal(true);
> dialog.show();
> Object selectedValue = AskDialog.getValue();
> dialog.dispose();
>
> D3WWWClient.AL.paintAll(D3WWWClient.container1.getGraphics());
> //solve repaint problems in browser
>
> if (selectedValue.equals("YES")
> return true;
> else
> return false;
> }
>
> The above code works fine in Netscape 4.05 -> 4.5 but not in IE 4 with
> SP1 !!!
> I hope somebody could help me this time with this problem.
> Thank you very much ...
> LMarco [ from germany ... sorry for my english ;o) ]
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X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 111d45,39685df880d462d6 X-Google-Attributes: gid111d45,public From: LMarco <Marco.Luebbering@d-velop.de> Subject: Re: JDialog: NullPointer Exception in IE Date: 1999/01/29 Message-ID: <36B1967F.ED270E32@d-velop.de> X-Deja-AN: 438305586 Content-Transfer-Encoding: 7bit References: <36AC414D.6D6BEF82@d-velop.de> Content-Type: text/plain; charset=us-ascii Organization: Another Netscape Collabra Server User Mime-Version: 1.0 Newsgroups: borland.public.jbuilder.java.swing