Re: [Microba-controls] NPE on reloading page with applet containing DatePicker

[Himanshu R. <him...@gm...>]

OK....if I cache applets, it does not help...

On Mon, Sep 15, 2008 at 11:53 AM, Himanshu Ranavat <
him...@gm...> wrote:

> Hi,
>
> I am using DatePicker in an applet. (JRE - 1.5.12 and JDK 1.5)
> If I change the page and visit the page with the applet again, the date
> picker does not instantiate. this is the stack trace:
>
> Exception in thread "AWT-EventQueue-3" java.lang.NullPointerException
>     at java.util.Hashtable.remove(Unknown Source)
>     at javax.swing.UIDefaults.put(Unknown Source)
>     at
> com.michaelbaranov.microba.common.MicrobaComponent.updateUI(MicrobaComponent.java:41)
>     at
> com.michaelbaranov.microba.calendar.CalendarPane.<init>(CalendarPane.java:195)
>     at
> com.michaelbaranov.microba.calendar.DatePicker.<init>(DatePicker.java:120)
>     at
> com.michaelbaranov.microba.calendar.DatePicker.<init>(DatePicker.java:105)
>
> Any Ideas or work arounds. (If I restart the browser everything works
> fine). Also, I have disabled caching on applets.
>
>
> Looks like UIManager.get(this.getUIClassID()) in MicrobaComponent is
> returning null or in other words UIManager cannot locate the defaults for
> the UI ClassID of the DatePicker
>
> Himanshu
>