Java Web Start - java.lang.NullPointerException (XI 3.0, SP9)

Hi all -
whenever I try to execute the Integration Builder Directory or Configuration by Java Web Start, I get the following exception after completly donwnloading the .jnlp files:
java.lang.NullPointerException at com.sap.plaf.frog.FrogScrollPaneUI$1.propertyChange(FrogScrollPaneUI.java:113)
I already tried a variety of Web Start versions, e.g.
1.4.2_6.
TIA
- Stefan

Thanks to all -
The problem was caused by having also installed JDK 1.5 on my machine.
Although, I attached the .jnlp file name suffix with Web Start 1.4 both in Windows Explorer and Internet Explorer, Java Web Start 1.5 was excecuted.
I had to de-activate the "users" in Web Start 1.5:
- started javaws in ${jdk1.5}\jre\bin
- edit - preferences - JAVA
- in Runtime environoment: de-activate all 1.5 users
(sorry for any incorrect terms, I've German on my machine)

Similar Messages

Java Web Start & Java Mail

I can send email from my application using Java Mail when I include mail.jar in my classpath in the launch.bat file i use to luanch the application.
Now, I am using Java Web Start to launch my application and whenever I try to send out emails from my application I got an error message about no provider found or something like that.
Anyone know how to get around this?

hi
could you tell me exactly what error message you receive?
angela

How to setup Proxy for Java Web Start App ?

I'm having trouble getting Java Web Start to work.
at... http://java.sun.com/docs/books/tutorial/uiswing/14start/compile.html
It tell me...
To test whether your browser can launch an application using Java Web Start, click this link.
http://java.sun.com/docs/books/tutorialJWS/uiswing/14start/example-1dot4/HelloJWS.jnlp
I do that & see Java Web Start try to start but get message...
Java Web Start - Invalid Argument
Unable to launch specified application
An error occurred while launching/running the application.
Category: Invalid Argument error
Could not load file/URL specified: C:\Documents and Settings\Will\Local Settings\Temporary Internet Files\Content.IE5\OP8RSBCV\HelloJWS[1].jnlp
Then... http://java.sun.com/docs/books/tutorial/information/javawebstart.html tells me...
"This situation usually happens when your browser and your copy of Java Web Start have different proxy settings."
I click Start | Programs | Java Web Start | Java Web Start,,, then click File | Preferences | General
My choices are... Proxies: None User Browser _ Manual (User Browser grayed out)
If _ Manual checked then I get...
HTTP Proxy ______
HTTP Port _______
I'm running XP Pro via Wi Fi to a Linksys Wi Fi router to a cable modem... I'm also running Zone Alarm (tried turning it off but no luck)
I don't know how to set up the Proxy stuff... can any one please help me get this set up.
thanks - Will

OK, on my XP Pro system I went to...
Start IE -> Control Panel -> Internet Options -> Connections -> Lan Settings -> Proxy Settings
This is my 'Local Area network (LAN) Settings panel...
- user Proxy server for LAN is checked
- Address is blank
- Port is blank
So do I plug something in here... the ip address of my linksys wi-fi router and a port number or what?
My Java Web Start Preferences won't let me click 'Use Browser' only None or Manual
If I click Manual, I don't know what to plug into the HTTP Proxy and HTTP Port fields...
I tried the ip address of my router... thinking it may have a built in Proxy Server... and port 8080 as indicated by the Help page for the Java Web Start... but no luck.
I really appriceate any help on this...
thanks - Will

Java Web Start doesn't start (Windows XP)

Hi,
I've installed Java Web Start on a Windows XP machine. When I try to run an application or I try to open Java Web Start directly the "Java Web Start" splash screen appears for a few seconds and than disappears and nothing else happens.
I heard that other people using Windows XP have the same problem. Can anyone help?
Java Runtime is 1.4.0, but I also tried some other runtimes as well with the same result.
Thanks in advance
Markus

Hi,
I found some stuff, but it didn't work for me. Maybe you can give it a try.
1. Deactivate Proxy
Add or edit javaws.cfg.proxy.setting=NONE in the javaws.cfg file.
2. Deactivate Splashscreen
Add option "-Xnosplash" in the Windows registry for the .JNLP ending, i.e. "C:\Program Files\Java Web Start\javaws.exe" "-Xnosplash" "%1"
3. Run with Java VM
I created a .BAT file:
SET JWS=C:/Programme/Java Web Start
java -cp "%JWS%/javaws.jar" "-Djnlpx.home=%JWS%" com.sun.javaws.Main %1
To run Java Web Start simply run the .BAT file. To run a specific application run the .BAT file with the complete URL of the .JNLP file.
If this works for you, please drop a note here! Thanks!
Bye
Markus

Problems with Java web start

Hi All,
I am facing a problem with Java Web Start. Which is the most appropriate version of JDK recommended for SAP XI? I tried
JDK 1.4.2_04
JDK 1.4.2_09
JDK1.4.2_11
JDK1.5.0_01
When I click on Integration repository or Directory for the first time, it loads the jar files and while loading, I get an error msg "Unable to launch Integration Builder". After a lot of retries I get sucess. But still we are facing this issue in some machines. Can you pls let me know if there is any pre configuration or some thing I am missing...
Regards,
Jai Shankar

Did you check the proxy settings in JAVA Web start. Please follow the below instructions.
This could be set to None or to specific for values HTTP Proxy and HTTP Port .
Contact your network administrator for the correct settings.
To change the Proxy Settings:
Select Windows Start menu -> All Programs -> Java Web Start -> Java Web Start
Choose File -> Preferences -> General
Choose None to switch off the proxy settings or Manual to set the HTTP Proxy and HTTP Port.
ChooseOK
Close Java Webstart

Java Web Start doesn't start

I have installed Java 7 update 51 in Mac OS X 10.7.5. Yesterday Java Web Start starts well but today doesn't start. /Library/Application Support/Oracle/Java/javaws displays this error:
Bad Installation: JAVAWS_HOME not set.

Hi,
I found some stuff, but it didn't work for me. Maybe you can give it a try.
1. Deactivate Proxy
Add or edit javaws.cfg.proxy.setting=NONE in the javaws.cfg file.
2. Deactivate Splashscreen
Add option "-Xnosplash" in the Windows registry for the .JNLP ending, i.e. "C:\Program Files\Java Web Start\javaws.exe" "-Xnosplash" "%1"
3. Run with Java VM
I created a .BAT file:
SET JWS=C:/Programme/Java Web Start
java -cp "%JWS%/javaws.jar" "-Djnlpx.home=%JWS%" com.sun.javaws.Main %1
To run Java Web Start simply run the .BAT file. To run a specific application run the .BAT file with the complete URL of the .JNLP file.
If this works for you, please drop a note here! Thanks!
Bye
Markus

Can't run via Java Web Start

Hello Everyone,
I'm new to Java Web Start. I've been trying to get the BuddySpace Jabber client to launch via JWS. I have to use the trusted mode since I need local filesystem and network access. So, I've signed the three jar files and finally gotten the application to launch but I'm getting an exception that I don't get when running it without JWS (i.e. just using a batch file to launch from my local machine). Here is the error that I get:
java.lang.NullPointerException
     at javax.swing.ImageIcon.<init>(Unknown Source)
     at edu.ou.kmi.buddyspace.gui.BSSplashScreenDlg.initComponents(BSSplashScreenDlg.java:49)
     at edu.ou.kmi.buddyspace.gui.BSSplashScreenDlg.<init>(BSSplashScreenDlg.java:39)
     at edu.ou.kmi.buddyspace.gui.BSMainFrame.<init>(BSMainFrame.java:310)
     at edu.ou.kmi.buddyspace.gui.BSMainFrame.main(BSMainFrame.java:423)
     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
     at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
     at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
     at java.lang.reflect.Method.invoke(Unknown Source)
     at com.sun.javaws.Launcher.executeApplication(Unknown Source)
     at com.sun.javaws.Launcher.executeMainClass(Unknown Source)
     at com.sun.javaws.Launcher.continueLaunch(Unknown Source)
     at com.sun.javaws.Launcher.handleApplicationDesc(Unknown Source)
     at com.sun.javaws.Launcher.handleLaunchFile(Unknown Source)
     at com.sun.javaws.Launcher.run(Unknown Source)
     at java.lang.Thread.run(Unknown Source)
Any help on how to resolve this would be greatly appreciated.
Thanks,
Al

Looks like your app can't find the image file for the icon. Make sure you've got your images in your jar file.
Also have a look on the forums for info about ClassLoader's...there's a bug with ClassLoader.getResource() which you may be using.
Simon

Exception while using Java Comm and Java Web Start together

Hello Java Experts!
Here's the problem that's been bothering me. The application i'm developing uses Java Comm API to listen to Serial Ports. The application works absolutely fine when it is run locally.
Now, I need to deploy this remotely using java web start. All resources(dependent jar files) are present on the server and are referenced properly in the JNLP file. All jar files are signed properly.
Still, it throws the following exception.
java.lang.NullPointerException: name can't be null
     at java.io.FilePermission.init(Unknown Source)
     at java.io.FilePermission.<init>(Unknown Source)
     at java.lang.SecurityManager.checkDelete(Unknown Source)
     at javax.comm.CommPortIdentifier.getPortIdentifiers(CommPortIdentifier.java:70)
The exact line of code where it apparently seems to error out is...
Enumeration portList = CommPortIdentifier.getPortIdentifiers();
Are there any security issues involved here? Can a application deployed through java web start access serial ports on the system?
Any pointers as to what the problem might be would be much appreciated.
Thanks in advance!

I have the IBM Communications API. I've
been told that it works with Java Web Start but I
have not tried it. IBM has changed it's download site
so.... I can't point you to it. But I have it(55k zip'ed)
and can send it to you if you post your E-Mail address
of where you would like it sent.
Bruce Houghton
PS If it does work with Web Start please post the
news here. I will be watching.

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:
Error: Unable to load resource: https://XXX.XXX.XXX.XX:443/Java/JavaRConsole.jar.
In Exception:
com.sun.deploy.net.FailedDownloadException: Unable to load resource: https://XXX.XXX.XXX.XXX:443/Java/JavaRConsole.jar
     at com.sun.deploy.net.DownloadEngine.actionDownload(Unknown Source)
     at com.sun.deploy.net.DownloadEngine.getCacheEntry(Unknown Source)
     at com.sun.deploy.net.DownloadEngine.getCacheEntry(Unknown Source)
     at com.sun.deploy.net.DownloadEngine.getResourceCacheEntry(Unknown Source)
     at com.sun.deploy.net.DownloadEngine.getResourceCacheEntry(Unknown Source)
     at com.sun.deploy.net.DownloadEngine.getResource(Unknown Source)
     at com.sun.javaws.LaunchDownload$DownloadTask.call(Unknown Source)
     at java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source)
     at java.util.concurrent.FutureTask.run(Unknown Source)
     at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
     at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
     at java.lang.Thread.run(Unknown Source)
In Wrapped Exception:
java.net.SocketException: SOCKS server general failure
     at java.net.SocksSocketImpl.connect(Unknown Source)
     at java.net.Socket.connect(Unknown Source)
     at sun.security.ssl.SSLSocketImpl.connect(Unknown Source)
     at sun.security.ssl.BaseSSLSocketImpl.connect(Unknown Source)
     at sun.net.NetworkClient.doConnect(Unknown Source)
     at sun.net.www.http.HttpClient.openServer(Unknown Source)
     at sun.net.www.http.HttpClient.openServer(Unknown Source)
     at sun.net.www.protocol.https.HttpsClient.<init>(Unknown Source)
     at sun.net.www.protocol.https.HttpsClient.New(Unknown Source)
     at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.getNewHttpClient(Unknown Source)
     at sun.net.www.protocol.http.HttpURLConnection.plainConnect(Unknown Source)
     at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(Unknown Source)
     at sun.net.www.protocol.https.HttpsURLConnectionImpl.connect(Unknown Source)
     at com.sun.deploy.net.BasicHttpRequest.doRequest(Unknown Source)
     at com.sun.deploy.net.BasicHttpRequest.doRequest(Unknown Source)
     at com.sun.deploy.net.BasicHttpRequest.doGetRequest(Unknown Source)
     at com.sun.deploy.net.DownloadEngine.actionDownload(Unknown Source)
     at com.sun.deploy.net.DownloadEngine.getCacheEntry(Unknown Source)
     at com.sun.deploy.net.DownloadEngine.getCacheEntry(Unknown Source)
     at com.sun.deploy.net.DownloadEngine.getResourceCacheEntry(Unknown Source)
     at com.sun.deploy.net.DownloadEngine.getResourceCacheEntry(Unknown Source)
     at com.sun.deploy.net.DownloadEngine.getResource(Unknown Source)
     at com.sun.javaws.LaunchDownload$DownloadTask.call(Unknown Source)
     at java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source)
     at java.util.concurrent.FutureTask.run(Unknown Source)
     at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
     at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
     at java.lang.Thread.run(Unknown Source)
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.

Java Web Start Error - java.io.IOException: EOF reading band

I am using Java Web Start to download an application and I am getting the following error. How do I resolve this? The jar that is being downloaded is present in the directory.
java.io.IOException: EOF reading band
     at com.sun.java.util.jar.pack.NativeUnpack.start(Native Method)
     at com.sun.java.util.jar.pack.NativeUnpack.run(Unknown Source)
     at com.sun.java.util.jar.pack.NativeUnpack.run(Unknown Source)
     at com.sun.java.util.jar.pack.UnpackerImpl.unpack(Unknown Source)
     at com.sun.deploy.net.HttpDownloadHelper.download(Unknown Source)
     at com.sun.deploy.cache.Cache.downloadResourceToTempFile(Unknown Source)
     at com.sun.deploy.cache.Cache.downloadResourceToCache(Unknown Source)
     at com.sun.deploy.net.DownloadEngine.actionDownload(Unknown Source)
     at com.sun.deploy.net.DownloadEngine.getCacheEntry(Unknown Source)
     at com.sun.deploy.net.DownloadEngine.getCacheEntry(Unknown Source)
     at com.sun.deploy.net.DownloadEngine.getResourceCacheEntry(Unknown Source)
     at com.sun.deploy.net.DownloadEngine.getResourceCacheEntry(Unknown Source)
     at com.sun.deploy.net.DownloadEngine.getResource(Unknown Source)
     at com.sun.javaws.LaunchDownload.downloadJarFiles(Unknown Source)
     at com.sun.javaws.LaunchDownload.downloadEagerorAll(Unknown Source)
     at com.sun.javaws.Launcher.downloadResources(Unknown Source)
     at com.sun.javaws.Launcher.prepareLaunchFile(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)

jfdenise wrote:
Hi,
I am facing the exact same issue when getting a big jar of more than 7 megs. It seems to occur in some special network configuration that I am not yet able to figure out. It is obviously linked to the fact that the jar is unpacked on the client side.
Anybody ran into this one and understood the root cause?Please, don't resurrect old threads, and don't use signatures with addresses. I'm locking this thread.
Kaj

Java Web Start 1.6 fails to start application without Java Consol on Vista

Hi All,
I've faced with problem related to starting my application in IE 7 on Vista SP1 using Java Web Start (JRE 1.6.0_12 and 1.6.0_13). I suppose that issue appears after 11th update of JRE 1.6 since it works fine before.
There were set settings to indicate initial and maximal size of the Java heap in the JNLP file.
Application consist of 2 JAR files and they are signed with the same certificate.
When user tried to start application there is no any activity after accepting certificate. After starting application javaw.exe just disappeared from processes list without any message or error.
When I changed default setting in Java Control Panel to show Java Console, I noticed that the application began to start. But it's not a solution of the issue, since all customers cannot be required to turn on Java console.
I believe this is a bug in JRE as the application starts with Java console and doesn't without it.
When I browsed the web looking for the solution or an advice I found Release notes for 1.6.0_014 where it was said that 6u14 Java Web Start failed to launch and notifies that JARs were not signed, if an insecure Java system property was specified in a sandbox JNLP file. In spite of that 14th updated wasn't used and there was no notification I tried to start application without settings for the Java heap and it worked.
Could someone help me with advice, since the application cannot be started with default heap size settings.
Thanks in advance.
Edited by: vovanst on Jul 28, 2009 8:06 AM

Hi,
as the 6u15 just arrived and the above mentioned bug should've been fixed (though I was unable to verify through the release notes), the error is still in there.
We have no timestamped jars, neither ours nor the bouncy castle ones, all certs are valid, ours is self signed.
6u13 runs, 6u14/6u15 won't.
I followed the instructions here: http://bouncycastle.org/devmailarchive/msg10415.html to no avail.
The bcprov.jar is wrapped in its own jnlp and referred as extension from the "main" jnlp.
The interesting parts of the stack trace are these:
Caused by (via getCause): java.lang.SecurityException: JCE cannot authenticate the provider BC
     at javax.crypto.Cipher.getInstance(DashoA13*..)
     at javax.crypto.Cipher.getInstance(DashoA13*..)
Caused by (via getCause): java.util.jar.JarException: Cannot parse https://localhost:8443/deploy/bcprov.jar
     at javax.crypto.SunJCE_c.a(DashoA13*..)
     at javax.crypto.SunJCE_b.b(DashoA13*..)
     at javax.crypto.SunJCE_b.a(DashoA13*..)
     at javax.crypto.Cipher.getInstance(DashoA13*..)
     at javax.crypto.Cipher.getInstance(DashoA13*..)
For me it seems there's a problem with resolving the url of the bcprov.jar, which would explain the lack of a delay which normally occurs when JCE verifies the signature of the bcprov provider classes. The error pops up almost instantly.
I'm clueless what to do now. Did Sun really achieve to completely destroy JCE provider functionality in Javaws, forcing us to use an alternative implementation?
Patric

Can not launch swing application from Java Web Start 1.6.0_37

I have a dynamic generated jnlp file from a serlvet. When I used Java Web Start to start the swing application, it failed. The exception showed
com.sun.deploy.net.FailedDownloadException: Unable to load resource: http://xxxx.xx.com:9080/dilpipweb/Test-1.0-SNAPSHOT.jar
     at com.sun.deploy.net.DownloadEngine.actionDownload(Unknown Source)
     at com.sun.deploy.net.DownloadEngine.getCacheEntry(Unknown Source)
     at com.sun.deploy.net.DownloadEngine.getCacheEntry(Unknown Source)
     at com.sun.deploy.net.DownloadEngine.getResourceCacheEntry(Unknown Source)
     at com.sun.deploy.net.DownloadEngine.getResourceCacheEntry(Unknown Source)
     at com.sun.deploy.net.DownloadEngine.getResource(Unknown Source)
     at com.sun.javaws.LaunchDownload$DownloadTask.call(Unknown Source)
     at java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source)
     at java.util.concurrent.FutureTask.run(Unknown Source)
     at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source)
     at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
     at java.lang.Thread.run(Unknown Source)
I used janela to validate the generated jnlp file. It was valid. I also checked the tomcat access log, it showed that the Test-1.0-SNAPSHOT.jar file was accessed correctly (with a 200 return code).
Can anyone help me what was the problem?
Thanks,

Hi.
I got a different problem. My Corba application works in JRE 1.6, but doesn't works in JRE 1.5.X. I got an unexpected error and my console shows:
getSubjectX500Principal NoSuchMethodError: java.lang NoSuchMethodError
#### Java Web Start Error:
#### null
Can you help me?

Error while running Java Web Start in JDK 1.5

I have been running an application using Jboss3.2 in JDK1.4.2_09. The Java Web Start application ran perfectly then.
Now, I am running Jboss3.2 with JDK 1.5.0_11. While some applications (HTML client and some Java Web Start applications are working correctly) are working correctly, this particular Java Web Start application fails.
General Tab:
An error occurred while launching/running the application.
Title: Server_Security
Vendor: df
Category: Download Error
Bad MIME type returned from server when accessing resource: http://localhost:8080/webapp/SampDB1/Server_Security/application/javassist.jar - null
Exception Tab:
JNLPException[category: Download Error : Exception: null : LaunchDesc: null ]
     at com.sun.javaws.cache.DownloadProtocol.doDownload(DownloadProtocol.java:617)
     at com.sun.javaws.cache.DownloadProtocol.getDownloadSize(DownloadProtocol.java:884)
     at com.sun.javaws.LaunchDownload.downloadJarFiles(LaunchDownload.java:698)
     at com.sun.javaws.LaunchDownload.downloadEagerorAll(LaunchDownload.java:662)
     at com.sun.javaws.Launcher.downloadResources(Launcher.java:1032)
     at com.sun.javaws.Launcher.handleApplicationDesc(Launcher.java:375)
     at com.sun.javaws.Launcher.handleLaunchFile(Launcher.java:218)
     at com.sun.javaws.Launcher.run(Launcher.java:165)
     at java.lang.Thread.run(Thread.java:595)

You appear to be using a 1.4.x program on a file belonging to 1.5. Check your path variable, it's probably the cause.

Application started using Java Web Start doesn't launch the first time

I have a Facebook photo uploader application that I plan to distribute using Java Web Start. I'm using Java 6u4 on Windows XP SP2 with 2GB of RAM. I have Java 6u3, Java 6u4 and Java 5 u14 installed and I'm sure the one used is Java 6u4.
I signed my application and make use of all security settings.
Here is my JNLP file:
<?xml version="1.0" encoding="utf-8"?>
<jnlp spec="1.0+"
     codebase="http://www.antaki.ca/bloom/jars"
     href="http://www.antaki.ca/bloom/Bloom.jnlp">
<information>
    <title>Bloom</title>
    <vendor>Carl Antaki</vendor>
    <icon kind="splash" href="http://www.antaki.ca/bloom/Bloom.jpg"/>
    <icon href="http://www.antaki.ca/bloom/bloom32.jpg"/>
<shortcut online="false">
<desktop/>
<menu submenu="Bloom"/>
</shortcut>
</information>
    <resources>
        <j2se version="1.5+" initial-heap-size="32m" max-heap-size="128m" href="http://java.sun.com/products/autodl/j2se" />
        <property name="sun.java2d.d3d" value="false"/>
        <jar href="http://www.antaki.ca/bloom/jars/Bloom.jar"/>
        <jar href="http://www.antaki.ca/bloom/jars/BrowserLauncher2-1_3.jar"/>
        <jar href="http://www.antaki.ca/bloom/jars/SmartProgressMonitor.jar"/>
        <jar href="http://www.antaki.ca/bloom/jars/facebook.jar"/>
        <jar href="http://www.antaki.ca/bloom/jars/forms-1.1.0.jar"/>
        <jar href="http://www.antaki.ca/bloom/jars/json_simple.jar"/>
        <jar href="http://www.antaki.ca/bloom/jars/swing-worker-1.1.jar"/>
        <jar href="http://www.antaki.ca/bloom/jars/glazedlists_java15.jar"/>
        <jar href="http://www.antaki.ca/bloom/jars/swingx-0.9.1.jar"/>
        <jar href="http://www.antaki.ca/bloom/jars/jhbasic.jar"/>
   </resources>
<security>
     <all-permissions/>
</security>
<application-desc main-class="ca.antaki.www.bloom.gui.Bloom" />
</jnlp>Here is the link for my application http://antaki.ca/bloom/Bloom.jnlp
The first time the application is installed using a link on the browser it's downloaded then the certificate dialog is shown, after that I check the checkbox to accept the certificate permanently. The application doesn't load, it only loads the second time although I see it in the task manager. If I don't accept the certificate permanently it does load. This happens on both Firefox 2 and IE 7. I enabled the console and logging but nothing shows up there.That's really a weird problem, I wonder if Java Web Start is a viable deployment option, it does have great capabilities such as autoupdate but still seems to have important bugs.
Does anyone have any clue about what is going on.
The problem doesn't occur on Ubuntu 7.10.
Thanks,
Carl Antaki

>
You were right my XML file was not correct. I still couldn't find a valid JNLP validator. Sun has to provide that.>No they don't (have to supply a validator for their own document type, though it makes sense to do so), but yes they do (provide a tool that validates XML against schemas). Java can validate XML against a DTD or XSD.
Check these two threads (and chase the links) for more details.
JNLP xsd schema
<http://groups.google.com.au/group/comp.lang.java.programmer/browse_thread/thread/c6f65bf1df5f105d/30c6b7e2dc342dc4>
Validate XML against DTD? XSD OK. SSCCE.
<http://groups.google.com.au/group/comp.lang.java.programmer/browse_thread/thread/5b997a1edb765b11/e831f3066eb4aa38>
Look especially for the posts by Piotr Kobzda.
I had a tool on my site based largely on Piotr's codes, that linked to a valid JNLP DTD and XSD, but unfortunately my site is offline at the moment. Andy assures me that the JNLP 6.0 DTD has been corrected for the developer ..download tutorials of web start, though the online (web site) version may still be invalid.

"access denied" error from Java Web Start

I can successfully download the jar file, but always have error message "access denied" when the java application tries to open a local file in C:\temp\poc1.xml.
I can successfully execute the java application from DOS,but failed when using Java Web Start. The error message is as follows:
Java Web Start Console, started Wed Nov 28 16:30:31 PST 2001Java 2 Runtime Environment: Version
1.3.1 by Sun Microsystems Inc.java.security.AccessControlException: access denied
(java.io.FilePermission C:\temp\poc1.xml read)     at
org.apache.xerces.framework.XMLParser.parse(Unknown Source)     at
org.apache.xerces.framework.XMLParser.parse(Unknown Source)     at
com.hotlocker.client.HLSessionParser.parse(Unknown Source)     at
com.hotlocker.client.UploadDownloadClient.uploadFiles(Unknown Source)     at
com.hotlocker.client.UploadDownload.main(Unknown Source)     at
java.lang.reflect.Method.invoke(Native Method)     at
com.sun.javaws.Launcher.executeApplication(Unknown Source)     at
com.sun.javaws.Launcher.executeMainClass(Unknown Source)     at
com.sun.javaws.Launcher.continueLaunch(Unknown Source)     at
com.sun.javaws.Launcher.handleApplicationDesc(Unknown Source)     at
com.sun.javaws.Launcher.handleLaunchFile(Unknown Source)     at
com.sun.javaws.Launcher.run(Unknown Source)     at java.lang.Thread.run(Unknown Source)

Hi,
you can't get a file like in a "normal" app
because a JWS-app runs in the restricted
sandbox environment by default.
So you either sign your app with a digital certificate
or you use a special FileOpenService (JNLP-API).
You could also put the file into the app-jar and
load it by a classloader.
Regards,
Mathias

Java Web Start - java.lang.NullPointerException (XI 3.0, SP9)

Similar Messages

Maybe you are looking for