Unable to launch application using web start

hi
My application gets downloaded to the client machine but doesnot start up when click on desktop shortcut or start menu.
here is my jnlp file
<?xml version="1.0" encoding="utf-8"?>

<jnlp spec="1.0" codebase="http://localhost:8080/drive" href="vp.jnlp">
<information>
<title>Video Player Application</title>
<vendor>Sun Microsystems, Inc.</vendor>
<shortcut online="false">
</shortcut>
</information>
<information os="windows xp">
<title> Video Player </title>
<homepage href="docs/linuxhelp.html"/>
</information>
<resources>
<j2se version="1.4.2+" java-vm-args="-esa -Xnoclassgc"/>
<jar href="signedvideo.jar"/>
</resources>
<application-desc main-class="com.video.VideoPlayer">
</application-desc>
</jnlp>
Please help me with this
Thanks
Rajesh

The first jar will default to main, if it isn't explicitly listed.
What is the error you get when you try to launch the application offline using the shortcut created ? (note, the <shortcut online="false"/> will cause to create shortcut that will launch the application in offline mode)
I notice you name the jar "signedvideo.jar", but do not ask for all-permissions.
If you want to run trusted you must also add
<security><all-permissions/></security>
/Andy

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Very Urgent Unable to Launch Application using Web Start using JDK 1.4.2

Hi all
I am very serious issue i have ejb client swing application that uses
RMI to contact a session bean deployed in JBoss now i want the client app to be installed in the client machine using web start . Also i understand i require security permission to access network resources. so i have signed all the JAR files with same certificate created using self certificate avialiable in JDK by default also in the JNLP file in have included the following tag
<security>
<all-permissions/>
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I unable to understand what could be the problem . Please help me with the steps to be followed where in client should be able to RMI call to the server
Thanks in Advance
Naveen

You may have tried this already, but you might have to sign the jars via command line, outside any export process from your IDE.
$ jarsigner {filename}.jar {key from keystore}
I also had problems using webstart and RMI through an RCP
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Unable to Launch Application error while starting IR

Dear friends
I am not a BASIS trained person, but wearing different caps because I am the only SAP engineer in our company and so learning on the job.
I have installed a new server that has (SAP ECC 6.0, EP and PI). This is an IDES version. The operating system is Windows Server 2003 R2 (64 Bit).
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I searched SDN and other blogs and tried suggestions like,
selecting Control Panel -> Java and removing temporary internet files. But this didn't help.
I have installed another server on a 32 bit system and that one doesn't have any issues. The main difference with this one is that it is a 64 bit server and has (ECC, EP and PI) installed on the same server.
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Dear Ram
install JDK then
first set your environment variable like this... upto ur java bin folder.
JAVE_HOME C:\Program Files\Java\jre6\bin
then run your java webstart . goto preferences and there make proxy as none
now start IR again.. it will start.. if it fails again then take 1-2 more trial to start . It will open.
IN SAP XI/PI, java webstart is used to cache fat clients like IR and ID on local machines. So you need to make JWS proxy as NONE and then run IR or ID. with in 1-2 attemt it will cache all the required files.
then after wards it will run smoothly.
good luck
--sandeep

'Unable to Launch Application Error' - Java Web Start Running Under MS IIS.

I am attempting to render the following .jnlp in MS IE:
<?xml version="1.0" encoding="utf-8"?>

<jnlp
   codebase="http://localhost/LottoMadness/"
   href="LottoMadness.jnlp">
   <information>
     <title>LottoMadness Application</title>
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     <icon href="lottobigicon.gif"/>
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   <resources>
     <j2se version="1.5"/>
     <jar href="LottoMadness.jar"/>
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   <application-desc main-class="LottoMadness"/>
</jnlp>I've deployed the .jnlp, .gif, and .jar to MS IIS, running locally on my PC.
When I attempt to render the .jnlp in IE I obtain an 'Application Error' window stating 'Unable to Launch Application'. Clicking details gives me:
com.sun.deploy.net.FailedDownloadException: Unable to load resource: http://localhost/LottoMadness/LottoMadness.jnlp
     at com.sun.deploy.net.DownloadEngine.actionDownload(Unknown Source)
     at com.sun.deploy.net.DownloadEngine.getCacheEntry(Unknown Source)
     at com.sun.deploy.net.DownloadEngine.getResourceCacheEntry(Unknown Source)
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     at com.sun.deploy.net.DownloadEngine.getResource(Unknown Source)
     at com.sun.deploy.net.DownloadEngine.getResource(Unknown Source)
     at com.sun.javaws.Launcher.updateFinalLaunchDesc(Unknown Source)
     at com.sun.javaws.Launcher.prepareToLaunch(Unknown Source)
     at com.sun.javaws.Launcher.launch(Unknown Source)
     at com.sun.javaws.Main.launchApp(Unknown Source)
     at com.sun.javaws.Main.continueInSecureThread(Unknown Source)
     at com.sun.javaws.Main$1.run(Unknown Source)
     at java.lang.Thread.run(Unknown Source)I have configured MS IIS for Web Start, by setting the Extension/Content Type fields to .jnlp and application/x-java-jnlp-file.
(The .jnlp is basically from 'Programming with Java in 24 Hours', as this is the book I am learning Java from.)

AndrewThompson64 wrote:
I am not used to seeing references to a local server that do not include a port number.
E.G. http://localhost:8080/LottoMadness/
I have deployed the following HTML (HelpMe.html) to the web server:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<html>
<head>
     <title>Untitled</title>
</head>
<body>
Help Me!
</body>
</html>When I attempt to render the URL in IE, I see the page just fine. The URL is use is:
http://localhost/LottoMadness/HelpMe.htmlSo, I think my web server setup and usage is ok.
>
As an aside, what happens if (your MS IIS is running and) you click a direct link to..
[http://localhost/LottoMadness/LottoMadness.jnlp|http://localhost/LottoMadness/LottoMadness.jnlp]
When I click this link I get the error and exception I cited in my previous post.

Using web start to deploy a web-application WAR

I am planning to develope a web-application, that will run in my clients as localhost. My client will have a Tomcat server, and he can run that application in his own computer without Internet.
By times, and when he have access to Internet, i would like that he check the new version of that application(WAR file) in my Server, and if there is new version, then he will update the application (WAR file).
Is there any possibilite that I can use Web Start to deploy WARs directly tomcat/webapps/ ??
In all documentation of web start, they use for *.JAR. but there is no place where say that I can't use web start for WebApplication.

Not that I'm aware of.
You can upload your new WAR to his Tomcat server if you have access to /manager/html on his Tomcat.

Unable to launch application error

Everytime I try to open a jnlp file i get the Unable to launch application error. I have no clue how to fix this and would like to know a solution. I currently have JRE 6 Update 6. Here is the error info.
java.lang.Exception: cache failed forhttp://pokeglobal.sourceforge.net/game/beta.jnlp
     at com.sun.javaws.Launcher.updateFinalLaunchDesc(Unknown Source)
     at com.sun.javaws.Launcher.prepareToLaunch(Unknown Source)
     at com.sun.javaws.Launcher.launch(Unknown Source)
     at com.sun.javaws.Main.launchApp(Unknown Source)
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Java Web Start 1.6.0_06
Using JRE version 1.6.0_06 Java HotSpot(TM) Client VM
User home directory = C:\Documents and Settings\MILTON
c: clear console window
f: finalize objects on finalization queue
g: garbage collect
h: display this help message
m: print memory usage
o: trigger logging
p: reload proxy configuration
q: hide console
r: reload policy configuration
s: dump system and deployment properties
t: dump thread list
v: dump thread stack
0-5: set trace level to <n>
#### Java Web Start Error:
#### cache failed forhttp://pokeglobal.sourceforge.net/game/beta.jnlp

I see, you found a solution for this problem. Can you share it with me please, because i am having the same error right now.

Unable to launch application with webstart

Hi all, hope someone can help
I recently installed j2se 5.0 update 1 and uninstalled my earlier version of 1.4.2_06.
Since uninstalling the earlier version I am unable to run my application, I get the following error:
An error occurred while launching/running the application.
Title: Uploader
Vendor: Me
Category: Launch File Error
Could not parse launch file. Error at line 0.
This is from the exception tab:
JNLParseException[ Could not parse launch file. Error at line 0.]
     at com.sun.javaws.jnl.XMLFormat.parse(Unknown Source)
     at com.sun.javaws.jnl.LaunchDescFactory.buildDescriptor(Unknown Source)
     at com.sun.javaws.jnl.LaunchDescFactory.buildDescriptor(Unknown Source)
     at com.sun.javaws.jnl.LaunchDescFactory.buildDescriptor(Unknown Source)
     at com.sun.javaws.LaunchDownload.getUpdatedLaunchDesc(Unknown Source)
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     at com.sun.javaws.Launcher.handleLaunchFile(Unknown Source)
     at com.sun.javaws.Launcher.run(Unknown Source)
     at java.lang.Thread.run(Unknown Source)
Here is a copy of my jnlp file
<?php
header('Content-type: application/x-java-jnlp-file');
echo '<?xml version="1.0" encoding="UTF-8"?>';
echo '<jnlp spec="1.0+" codebase="http://www.******.com.au/uploader/fileuploader" href="fileuploader_jnlp.php">';
echo ' <information>';
echo ' <title>Uploader</title>';
echo ' <vendor>Me</vendor>';
echo ' <homepage href="index.html" />';
echo ' <description></description>';
echo ' </information>';
echo ' <resources>';
echo ' <j2se version="1.4"/>';
echo ' <jar href="fileuploader.jar" main="true" />';
echo ' <jar href="JimiProClasses.jar" />';
echo ' </resources>';
echo ' <application-desc main-class="fileuploader.FileUploader">';
echo ' <argument>http://www.********.com.au/uploader/fileuploader/upload.php</argument>';
echo ' <argument>25/</argument>';
//echo ' <argument>100000</argument>';
//echo ' <argument>thomas:test</argument>';
echo ' </application>';
echo ' <security>';
echo ' <all-permissions/>';
echo ' </security>';
echo '</jnlp>';
?>
The application runs fine if I uninstall version 5.0 and revert to 1.4.2_06
but I would like it to be compatible with newer versions of java.
P.S. Im not a programer so if you could explain to me in simple terms what Im doing wrong it would be great.
Thanks in advance
Dean

I'm a programming illiterate having the same problem with the latest java.
Unable to Launch Application
Exception:
JNLParseException[ Could not parse launch file. Error at line 0.]
     at com.sun.javaws.jnl.XMLFormat.parse(Unknown Source)
     at com.sun.javaws.jnl.LaunchDescFactory.buildDescriptor(Unknown Source)
     at com.sun.javaws.jnl.LaunchDescFactory.buildDescriptor(Unknown Source)
     at com.sun.javaws.jnl.LaunchDescFactory.buildDescriptor(Unknown Source)
     at com.sun.javaws.Launcher.updateFinalLaunchDesc(Unknown Source)
     at com.sun.javaws.Launcher.prepareToLaunch(Unknown Source)
     at com.sun.javaws.Launcher.launch(Unknown Source)
     at com.sun.javaws.Main.launchApp(Unknown Source)
     at com.sun.javaws.Main.continueInSecureThread(Unknown Source)
     at com.sun.javaws.Main$1.run(Unknown Source)
     at java.lang.Thread.run(Unknown Source)
Wrapped Exception:
java.io.EOFException: encoding.error.not.xml
     at com.sun.deploy.xml.XMLEncoding.decodeXML(Unknown Source)
     at com.sun.javaws.jnl.XMLFormat.parse(Unknown Source)
     at com.sun.javaws.jnl.LaunchDescFactory.buildDescriptor(Unknown Source)
     at com.sun.javaws.jnl.LaunchDescFactory.buildDescriptor(Unknown Source)
     at com.sun.javaws.jnl.LaunchDescFactory.buildDescriptor(Unknown Source)
     at com.sun.javaws.Launcher.updateFinalLaunchDesc(Unknown Source)
     at com.sun.javaws.Launcher.prepareToLaunch(Unknown Source)
     at com.sun.javaws.Launcher.launch(Unknown Source)
     at com.sun.javaws.Main.launchApp(Unknown Source)
     at com.sun.javaws.Main.continueInSecureThread(Unknown Source)
     at com.sun.javaws.Main$1.run(Unknown Source)
     at java.lang.Thread.run(Unknown Source)
What am I supposed to do? Java Web Start is supposed to be dummy friendly :(
Edit: Problem solved! It seems the file wasn't completely removed and parts of it were corrupted under the java viewer-resources (old cache messing it up). Once removed the problems were gone, so anyone having this problem should check that out :D
Edited by: Mr.O on Jul 21, 2008 10:32 PM

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Akhil,
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Can't load Stylesheet while runing application on Web Start

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Hello User,
Your path is wrong. It can't be good if your css file is inside your jar. (This is not a javaFx problem)
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myapp.jar
-----theme
---------default.css
You should try something like this:
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Has anyone ever used web start in large scale ?

Dear friends,
have you ever used some web start application in large scale ?
i.e., have you distributed some real application with web-start?
I�m doing such experience here and I�m a bit afraid about several problems in the final user machine - such as java version, browser incompatibility and mainly with the ugly WebStart cache problems.

can you give a bit more detail on what exactly you're afraid of? is this a www application? internal business app? etc.
for example you can force your java version in java web-start,etc...

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The problem: When I try to run ASDM on my Cisco 5550, I'm getting the dialog box "Unable to launch application". When I click on "Details", I see the error: "The application has requested a version of the JRE (1.5+) that is not installed".
The system I'm running this on is a Mac Pro with OS X Lion 10.7.5, and the latest Java version 7u13.
The initial lines of "show ver" on the firewall are:
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email:[email protected]

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Unable to launch application with java web start (OILOM)

I'm connecting to a remote Oracle console from a server, using "oracle integrated lights out manager". I go to "Remote Control" and click on "Launch Console". After that, it download a JNLP file, called "jnlpgenerator-16". I open it with Java7 -web starter- update 5.
After a while hanging I get this error:
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It happens the same under Windows 7 and Linux -using openJRE and icedtea as substitution of Java Web Start-.
I'm behind a proxy. In my browser -Chrome, IE and FF- putted the info of the proxy and I can browse. Aldo tried to put the info in the Java "Network Settings". It did not work -the launching of the console-.
I installed the last Java Web Start in Windows 7 -Java7 Update5-. I disabled my anti-virus and firewall. Always the same result.
Could you help me please. I don't have idea of what is going on.
Greetings.
PD: I tested from other machines of the company and it works. So, I guess is my laptop. I exported the oracle certificates from those machine and imported them into mine.

AndrewThompson64 wrote:
I am not used to seeing references to a local server that do not include a port number.
E.G. http://localhost:8080/LottoMadness/
I have deployed the following HTML (HelpMe.html) to the web server:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<html>
<head>
     <title>Untitled</title>
</head>
<body>
Help Me!
</body>
</html>When I attempt to render the URL in IE, I see the page just fine. The URL is use is:
http://localhost/LottoMadness/HelpMe.htmlSo, I think my web server setup and usage is ok.
>
As an aside, what happens if (your MS IIS is running and) you click a direct link to..
[http://localhost/LottoMadness/LottoMadness.jnlp|http://localhost/LottoMadness/LottoMadness.jnlp]
When I click this link I get the error and exception I cited in my previous post.

Launching external applications from web start

Hi!
I am currently working on a management system and I need to launch other management systems from my Java Web Start application. The other systems are either based on web applications (URLs), telnet - needs to set up a telnet session, or running shell scripts or batch files.
URLs are ok. I am using Desktop.browse in Java 1.6 or I can use BasicService.showDocument in javax.jnlp API.
My application may run on both windows and linux (ie its launched from the browser). It interacts with a java app on a linux server over RMI.
How can I lauch a telnet session from my client app?
Do I have to include apache commons.net and create a telnet module in my app or can i lauch c:\windows\system32\telnet.exe in windows (if my app is lauched on win) and /usr/kerberos/bin/telnet (if my app is lauched in Linux)?
How can I launch an external .exe application in window and how can I launch any shell script or program in Linux?
(same as how do i lauch telnet)
As long as the user is prompted I can see no risk of denying these kind of things so I hope and think that this should be possible!
PS. I have managed to do it by using Runtime.exec() when running as a non JWS application, but I cannot do it when running as JWS:
java.security.AccessControlException: access denied (java.io.FilePermission <<ALL FILES>> execute)I dont want to sign the application either. The reason for choosing webstart was to not have to renew certificates at our customers.
Please help.
Thanks for taking interest and reading this.. and I hope that someone has some helpful answers for me :)
Edited by: Tomas_Andersen on Feb 5, 2008 6:34 AM

Do you know how to launch Java applications (not applets) from web pages ? Thank you.
you can setoff a java servlet from a webpage.Is that what you are talking about ??? activeateing a server side app ????

Unable to launch application using web start

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