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Home » Eclipse Projects » Remote Application Platform (RAP) » StartupPage.getBgImage throws Null Pointer(RAP application won't start with 1.3M6)

StartupPage.getBgImage throws Null Pointer [message #532328]

Sat, 08 May 2010 03:56

Eclipse User

Hi,
I have had a RAP application since the early days and generally worked ok after each milestone release. however since M6, getBgImage (in StartUpPage) is throwing an NPE (see below).
it is trying to find the background image (i did have one specified in my own theme.css, disabled that to revert to default, but no effect). i commented out the line calling getBgImage in startup page, but just showed up an empty page in browser.
It feels like an environment problem, but have been looking at this for 2 weeks...and now am looking into a bucket.

PLEASE HELP!
Dara

java.lang.NullPointerException
at org.eclipse.rwt.internal.resources.ResourceManagerImpl.creat eRequestURL(ResourceManagerImpl.java:381)
at org.eclipse.rwt.internal.resources.ResourceManagerImpl.getLo cation(ResourceManagerImpl.java:301)
at org.eclipse.rap.ui.internal.servlet.ResourceManagerFactory$R esourceManagerWrapper.getLocation(ResourceManagerFactory.jav a:105)
at org.eclipse.rwt.internal.service.StartupPage.getBgImage(Star tupPage.java:63)
at org.eclipse.rwt.internal.service.StartupPage.render(StartupP age.java:73)
at org.eclipse.rwt.internal.service.StartupPage.send(StartupPag e.java:44)
at org.eclipse.rwt.internal.service.LifeCycleServiceHandler.run LifeCycle(LifeCycleServiceHandler.java:73)

Re: StartupPage.getBgImage throws Null Pointer [message #532459 is a reply to message #532328]

Mon, 10 May 2010 03:26

Eclipse User

Dara,

though I cannot reproduce what you describe this looks like a bug.
Please file a bugzilla and provide further information on how to
reproduce the exception. Ideally you could attach a standalone css file
to reproduce the problem.

Regards
Rüdiger
--
Rüdiger Herrmann
http://eclipsesource.com

On 08.05.2010 09:56, Dara wrote:
> Hi,
> I have had a RAP application since the early days and generally worked
> ok after each milestone release. however since M6, getBgImage (in
> StartUpPage) is throwing an NPE (see below).
> it is trying to find the background image (i did have one specified in
> my own theme.css, disabled that to revert to default, but no effect). i
> commented out the line calling getBgImage in startup page, but just
> showed up an empty page in browser.
> It feels like an environment problem, but have been looking at this for
> 2 weeks...and now am looking into a bucket.
> PLEASE HELP!
> Dara
>
>
> java.lang.NullPointerException
> at org.eclipse.rwt.internal.resources.ResourceManagerImpl.creat
> eRequestURL(ResourceManagerImpl.java:381)
> at org.eclipse.rwt.internal.resources.ResourceManagerImpl.getLo
> cation(ResourceManagerImpl.java:301)
> at org.eclipse.rap.ui.internal.servlet.ResourceManagerFactory$R
> esourceManagerWrapper.getLocation(ResourceManagerFactory.jav a:105)
> at org.eclipse.rwt.internal.service.StartupPage.getBgImage(Star
> tupPage.java:63)
> at org.eclipse.rwt.internal.service.StartupPage.render(StartupP
> age.java:73)
> at org.eclipse.rwt.internal.service.StartupPage.send(StartupPag e.java:44)
> at org.eclipse.rwt.internal.service.LifeCycleServiceHandler.run
> LifeCycle(LifeCycleServiceHandler.java:73)
>

Re: StartupPage.getBgImage throws Null Pointer [message #533670 is a reply to message #532459]

Sat, 15 May 2010 04:10

Eclipse User

Hi Rüdiger,
thank you for the response. actually i sorted this...one of the unit test suite's DisplayLCA (can't remember exact name), was being loaded. i removed the test bundles from but launch config and everything is hunky dory! again, thank you for responding and a great product!! Wink

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