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JNLP Problems: FileOpenService uninitialized

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  JNLP Problems: FileOpenService uninitialized Novice <novice@example..com> - 2012-01-27 19:48 +0000
    Re: JNLP Problems: FileOpenService uninitialized Jeff Higgins <jeff@invalid.invalid> - 2012-01-27 16:35 -0500
      Re: JNLP Problems: FileOpenService uninitialized Jeff Higgins <jeff@invalid.invalid> - 2012-01-27 17:22 -0500
        Re: JNLP Problems: FileOpenService uninitialized Novice <novice@example..com> - 2012-01-28 15:03 +0000
          Re: JNLP Problems: FileOpenService uninitialized Jeff Higgins <jeff@invalid.invalid> - 2012-01-28 11:56 -0500
            Re: JNLP Problems: FileOpenService uninitialized Novice <novice@example..com> - 2012-02-01 18:19 +0000
              Re: JNLP Problems: FileOpenService uninitialized Jeff Higgins <jeff@invalid.invalid> - 2012-02-01 17:17 -0500
                Re: JNLP Problems: FileOpenService uninitialized Jeff Higgins <jeff@invalid.invalid> - 2012-02-01 20:03 -0500
              Re: JNLP Problems: FileOpenService uninitialized Jeff Higgins <jeff@invalid.invalid> - 2012-02-03 15:31 -0500

#11620 — JNLP Problems: FileOpenService uninitialized

I'm getting an UnavailableServiceException with the message"uninitialized" 
when I try to invoke the JNLP FileOpenService. 

At the suggestion of the Java Tutorial section on File Choosers, I'm trying 
to play with the JNLP file choosers for an application that will run in 
Java Web Start. I'm using Eclipse 3.7 and have the jnlp.jar as an external 
jar accessible to the project. The code compiles fine but the exception 
occurs when I execute this code:

try {
    fos = (FileOpenService)ServiceManager.lookup
("javax.jnlp.FileOpenService"); 
    } catch (UnavailableServiceException exc) {
       	System.err.println("FileOpenService failed. Message: " + 
exc.getMessage());
            exc.printStackTrace();
    }

As far as I can tell from the JNLP guides I've found, there's nothing wrong 
with the code itself. I've googled and found other people who have asked 
about the same problem but there are no solutions posted for any of them. 

I've never worked with JNLP so I'm guessing that I haven't got something 
set up correctly but I'm darned if I can figure out what I've done wrong.

Does anyone with JNLP/JWS experience have any suggestions on what I can do 
to resolve this problem?

 
-- 
Novice

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#11621

On 01/27/2012 02:48 PM, Novice wrote:
> I'm getting an UnavailableServiceException with the message"uninitialized"
> when I try to invoke the JNLP FileOpenService.
>
> At the suggestion of the Java Tutorial section on File Choosers, I'm trying
> to play with the JNLP file choosers for an application that will run in
> Java Web Start. I'm using Eclipse 3.7 and have the jnlp.jar as an external
> jar accessible to the project. The code compiles fine but the exception
> occurs when I execute this code:

<http://rubenlaguna.com/wp/2008/08/07/java-webstart-unavailableserviceexception/index.html>

>
> try {
>      fos = (FileOpenService)ServiceManager.lookup
> ("javax.jnlp.FileOpenService");
>      } catch (UnavailableServiceException exc) {
>         	System.err.println("FileOpenService failed. Message: " +
> exc.getMessage());
>              exc.printStackTrace();
>      }
>
> As far as I can tell from the JNLP guides I've found, there's nothing wrong
> with the code itself. I've googled and found other people who have asked
> about the same problem but there are no solutions posted for any of them.
>
> I've never worked with JNLP so I'm guessing that I haven't got something
> set up correctly but I'm darned if I can figure out what I've done wrong.
>
> Does anyone with JNLP/JWS experience have any suggestions on what I can do
> to resolve this problem?
>
>

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#11622

On 01/27/2012 04:35 PM, Jeff Higgins wrote:
> On 01/27/2012 02:48 PM, Novice wrote:
>> I'm getting an UnavailableServiceException with the
>> message"uninitialized"
>> when I try to invoke the JNLP FileOpenService.
>>
>> At the suggestion of the Java Tutorial section on File Choosers, I'm
>> trying
>> to play with the JNLP file choosers for an application that will run in
>> Java Web Start. I'm using Eclipse 3.7 and have the jnlp.jar as an
>> external
>> jar accessible to the project. The code compiles fine but the exception
>> occurs when I execute this code:
>
> <http://rubenlaguna.com/wp/2008/08/07/java-webstart-unavailableserviceexception/index.html>
<http://netbeans.org/kb/docs/java/javase-jws.html>
<http://webstart.sourceforge.net/>

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#11624

Jeff Higgins <jeff@invalid.invalid> wrote in
news:jfv7g7$bbv$1@dont-email.me: 

> On 01/27/2012 04:35 PM, Jeff Higgins wrote:
>> On 01/27/2012 02:48 PM, Novice wrote:
>>> I'm getting an UnavailableServiceException with the
>>> message"uninitialized"
>>> when I try to invoke the JNLP FileOpenService.
>>>
>>> At the suggestion of the Java Tutorial section on File Choosers, I'm
>>> trying
>>> to play with the JNLP file choosers for an application that will run
>>> in Java Web Start. I'm using Eclipse 3.7 and have the jnlp.jar as an
>>> external
>>> jar accessible to the project. The code compiles fine but the
>>> exception occurs when I execute this code:
>>
>> <http://rubenlaguna.com/wp/2008/08/07/java-webstart-unavailableservice
>> exception/index.html> 
> <http://netbeans.org/kb/docs/java/javase-jws.html>
> <http://webstart.sourceforge.net/>
> 
> 

I really appreciate your help with this Jeff. You must be better at 
googling than I am ;-)

Maybe I'm having a stupid day but I can't figure out for the life of me 
how to actually install this plug-in in Eclipse. I've spent the last hour 
searching Eclipse help screens and googling for some insight into how to 
install WS4E but I keep coming up with fragmentary information that makes 
a lot of unwarranted assumptions about what I already know.

I downloaded WS4E from Sourceforge easily enough and unzipped it into a 
directory. But that's where I'm stuck. According to a website I found, 
http://www.venukb.com/2006/08/20/install-eclipse-plugins-the-easy-
way/,the normal thing to do is to copy the plugins and features 
directories from the downloaded directory to their counterparts in 
Eclipse. The downloaded directory only has a plugins directory but I 
copied that in my Eclipse plugins directory and restarted Eclipse but I 
can't see one iota of difference in my Eclipse. I don't see any "Start 
JWS" option anywhere (although I may simply have failed to look in the 
right place because they don't tell you where to expect things to change) 
and my program still crashes on the "uninitialized" error. 

I tried using the Update Manager approach but I don't see WS4E anywhere. 
Again, though, they don't specify what update site to search to find it.  
I've tried http://sourceforge.net and http://webstart.sourceforge.net but 
I just get a "could not find" error for both.

I tried using the "easy" method advocated at the link I cited but I still 
see nothing that looks like a Java Web Start option anywhere. 

Any suggestions you or anyone could offer here would be greatly 
appreciated. I fully expect that installing this plugin would solve my 
problem with the FileOpenService initialization error; I just can't 
figure out HOW to install it.

-- 
Novice

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#11625

On 01/28/2012 10:03 AM, Novice wrote:

> I really appreciate your help with this Jeff. You must be better at
> googling than I am ;-)

That a web search is cheap and easy is the  whole point of most of my 
posts.:)
...
> I downloaded WS4E from Sourceforge easily enough and unzipped it into a
> directory. But that's where I'm stuck.

I extracted the zip such that my 
{eclipse-home}/plugins/net.sourceforge.webstart_1.2.1

{eclipse-home}/dropins/net.sourceforge.webstart_1.2.1 would probably 
work just as well - and is now recommended.

Restart Eclipse.
Now when I go to File>Export>Other I see Webstart.

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#11696

Jeff Higgins <jeff@invalid.invalid> wrote in news:jg18qc$ht7$1@dont-
email.me:

> On 01/28/2012 10:03 AM, Novice wrote:
> 
>> I really appreciate your help with this Jeff. You must be better at
>> googling than I am ;-)
> 
> That a web search is cheap and easy is the  whole point of most of my 
> posts.:)
> ...
>> I downloaded WS4E from Sourceforge easily enough and unzipped it into a
>> directory. But that's where I'm stuck.
> 
> I extracted the zip such that my 
> {eclipse-home}/plugins/net.sourceforge.webstart_1.2.1
> 
> {eclipse-home}/dropins/net.sourceforge.webstart_1.2.1 would probably 
> work just as well - and is now recommended.
> 
> Restart Eclipse.
> Now when I go to File>Export>Other I see Webstart.
> 
> 

Sorry for the delay in getting back to you; I've been fighting other fires. 
;-)

Your last line was the key: I hadn't seen anything in the documentation 
about how to actually FIND Webstart when it is actually installed. It turns 
out that whatever I did worked just fine; I simply went to 
File/Export/Other and Webstart was right there. 

The only documentation I could find said how you'd find it in NetBeans, 
which I'm not using. 

With a bit of luck, the Webstart documentation will tell me the rest of 
what I need to know to work with this tool.

Ironically, I posted to Oracle's JNLP forum several days ago about my 
"uninitialized" problem and finally got a reply yesterday. The responder 
basically said you can't test your Java Web Start stuff in Eclipse! 
Apparently, he didn't know about the Webstart plugin....

-- 
Novice

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#11701

On 02/01/2012 01:19 PM, Novice wrote:
> Jeff Higgins<jeff@invalid.invalid>  wrote in news:jg18qc$ht7$1@dont-
> email.me:
>
>> On 01/28/2012 10:03 AM, Novice wrote:
>>
>>> I really appreciate your help with this Jeff. You must be better at
>>> googling than I am ;-)
>>
>> That a web search is cheap and easy is the  whole point of most of my
>> posts.:)
>> ...
>>> I downloaded WS4E from Sourceforge easily enough and unzipped it into a
>>> directory. But that's where I'm stuck.
>>
>> I extracted the zip such that my
>> {eclipse-home}/plugins/net.sourceforge.webstart_1.2.1
>>
>> {eclipse-home}/dropins/net.sourceforge.webstart_1.2.1 would probably
>> work just as well - and is now recommended.
>>
>> Restart Eclipse.
>> Now when I go to File>Export>Other I see Webstart.
>>
>>
>
> Sorry for the delay in getting back to you; I've been fighting other fires.
> ;-)
>
> Your last line was the key: I hadn't seen anything in the documentation
> about how to actually FIND Webstart when it is actually installed. It turns
> out that whatever I did worked just fine; I simply went to
> File/Export/Other and Webstart was right there.
>
> The only documentation I could find said how you'd find it in NetBeans,
> which I'm not using.
>
> With a bit of luck, the Webstart documentation will tell me the rest of
> what I need to know to work with this tool.

Did you read the tutorial?
<http://webstart.sourceforge.net/>

>
> Ironically, I posted to Oracle's JNLP forum several days ago about my
> "uninitialized" problem and finally got a reply yesterday. The responder
> basically said you can't test your Java Web Start stuff in Eclipse!
> Apparently, he didn't know about the Webstart plugin....
>
I don't know that you can. I've not tried the tool.

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#11704

On 02/01/2012 05:17 PM, Jeff Higgins wrote:
>> Ironically, I posted to Oracle's JNLP forum several days ago about my
>> "uninitialized" problem and finally got a reply yesterday. The responder
>> basically said you can't test your Java Web Start stuff in Eclipse!
>> Apparently, he didn't know about the Webstart plugin....
>>
> I don't know that you can. I've not tried the tool.
>
I've only made a couple half-hearted jabs at JWS and haven't attempted 
to use any of the services. I have read a good bit of documentation.

Concerning another thread where class loaders were discussed, the source 
file for com.sun.javaws.Main.java makes interesting reading.

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#11722

On 02/01/2012 01:19 PM, Novice wrote:
snip
snip
>
> Ironically, I posted to Oracle's JNLP forum several days ago about my
> "uninitialized" problem and finally got a reply yesterday. The responder
> basically said you can't test your Java Web Start stuff in Eclipse!
> Apparently, he didn't know about the Webstart plugin....
>
A later post provides additional insight and a wonderful link.
The Oracle forum post is here:
<https://forums.oracle.com/forums/message.jspa?messageID=10121675#10121675>

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