How to add Java Web Start MIME type to Sun Java SYstem Application Server?

Hi,
In the process of learning about Java Web Start,
I read in the document that I had to add "application/x-java-jnlp-file JNLP " to a configuration file.
Does anyone know where that file is for Sun Application web server( vesion 8, on WIndows)?
Thanks,
Sun

I believe you can add it to default-web.xml file located in your server config dir.
(i.e. /opt/SunAppServer8/domains/domain1/config/default-web.xml)

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Java web start unable to auto download java 1.6.0_14

Hi,
My application runs on java 1.6.0_14 and i want clients to use either 1.6.0_14 or higher while running the application. In the JNLP file i have mentioned j2se version as 1.6.0_14+
If the client machine has a java version lesser than 1.6.0_14, Java web start is not automatically downloading the given version from sun auto download site.
Isn' t this version supported by Sun for auto download? If yes, how to get around this problem?

Thanks..
We do have a web page from which we access the jnlp and that web page has javascript to force download of a specific version of JRE. Once it downloads the application on client machine, it creates an icon on the desktop.
If the application and jnlp is changed on the server, we want clients to go through the icon on desktop and still get the version of jre mentioned in the updated jnlp rather than having them go through the web page again do download the new JRE required...

HT5651 When I execute Java Web Start, I get an error "Java Web Start cannot be opened because of an error " I am running OSX 10.6.8 and Java Update 13. Anyone know why ?

Error :

I still have the problem. This is the error:
Process:         Java Web Start [2760]
Path:            /Users/Admin/UTILITIES/Java/Java Web Start.app/Contents/MacOS/Java Web Start
Identifier:      com.apple.JavaWebStart
Version:         12.2.0 (12.2.0)
Build Info:      JavaApplicationSupport-1450000~1
Code Type:       X86-64 (Native)
Parent Process: launchd [127]
Date/Time:       2013-02-21 17:49:43.369 -0500
OS Version:      Mac OS X 10.6.8 (10K549)
Report Version: 6
Interval Since Last Report:          2712 sec
Crashes Since Last Report:           3
Per-App Crashes Since Last Report:   3
Anonymous UUID:                      383BDFCF-9AA2-4B81-828C-6AD5615B5474
Exception Type: EXC_BREAKPOINT (SIGTRAP)
Exception Codes: 0x0000000000000002, 0x0000000000000000
Crashed Thread: 4
Dyld Error Message:
Symbol not found: _JVMGetLatestJVMInfo
Referenced from: /Users/Admin/UTILITIES/Java/Java Web Start.app/Contents/MacOS/Java Web Start
Expected in: /System/Library/Frameworks/JavaVM.framework/Versions/A/JavaVM

Bea Weblogic 6.0 and Java Web Start

We want to use Java Web Start on the Bea Weblogic 6.0 Application Server.
Is there any way to add the Java Web Start Mime Type to the Bea Weblogic 6.0 Server?
Michael

Sure, check out the documentation on adding mime types. I'm not quite sure
what mime types are supported by WebStart, but the documentation for it will
likely include that information.
Michael Girdley, BEA Systems Inc
Learning WebLogic? Buy the book.
http://www.learnweblogic.com/
"Michael Werner" <[email protected]> wrote in message
news:[email protected]..
>
We want to use Java Web Start on the Bea Weblogic 6.0 Application Server.
Is there any way to add the Java Web Start Mime Type to the Bea Weblogic6.0 Server?
>
Michael

Java Web Start and Firefox

Hello!
I want to use some java web start applications, which are started directly by clicking a link. My browser (firefox) doesn't know the java web start mime type (*.jnlp). Because of that I can only download the specific JNLP-File instead of executing this file to start the java app.
There is no jnlp mime type in the firefox section Edit-->Preferences --> Application and I can't add a new mime type because there is no funkction to did that job.
I have installed the jre and the jdk package. In firefox Tools --> Addons there is the plugin "Java Plug-in 1.6.0_19" listed.
Has anybody an idea, who to add the jnlp mime type in firefox?
Thanks for help!
Best regards,
Flasher

Maybe this can help you.
And related link in Ubuntu Forum.

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

SQL Server JDBC problem of JClient deploy in java web start

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http://www.oracle.com/technology/products/jdev/collateral/papers/10g/adfjclientbcwebstart.pdf
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How to load SQL Server JDBC to OC4J server

Java Web Start- Cannot launch Application. Pls help

HI
Ia m beginner in java web start. I creaate a simple swing application and try to launch it through web start. But I failed. My application jar file (sample.jar)contains only class files. No menifest file. Then I sign my "sample.jar" file and placed inside tomcat server: "webapps/root/WebStart/Sample". I also placed the "sample.jnlp" file in the above directory.The name of my main class is :"Sample" .Here is the content of sample.jnlp:
<?xml version="1.0" encoding="UTF-8"?>
<jnlp spec="1.0+"
codebase="http://165.231199.164:8080"
>
<information>
<title>Sample Launching Test</title>
<vendor>FMO</vendor>
<homepage href="www.sun.com" />
<description>Demonstration of JNLP</description>
</information>
<offline-allowed/>
<security>
<all-permissions/>
</security>
<resources>
<j2se version="1.2+" />
<jar href="/WebStart/Sample/sample.jar"/>
</resources>
<application-desc main-class="Sample" />
</jnlp>Whenever I try to launch this application from the browser , it shows me following :
An error occurred while launching/running the application.
Title: Sample Launching Test
Vendor: FMO
Category: Unexpected Error
RED
Anybody pls help me here about how to Launch my application. Am I missing something?

I fixed the porblem by modifying the sample.jnlp file. Here is the latest version:
<?xml version="1.0" encoding="UTF-8"?>
<jnlp codebase=http://[my-ip-address]:8080/WebStart/Sample>
<href="sample.jnlp">
<information>
<title>Sample Launching Test</title>
<vendor>FMO</vendor>
<homepage href="www.sun.com" />
<description>Demonstration of JNLP</description>
<offline-allowed/>
</information>
<security>
<all-permissions/>
</security>
<resources>
<j2se version=1.4+ />
<jar href="sample.jar"/>
</resources>
<application-desc main-class="Sample" />
</jnlp>

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>
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    <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.

Problem with CORBA application deployed using Java Web Start 1_6_0.

Java Web Start fans and experts:
We have been using Java Web Start to deploy the client side of a CORBA-based application since the inception of Java Web Start ... including Java Web Start 1.0 right up through the present.
With Java Web Start 1_6_0, we see evidence that Web Start is "tinkering with" the IOR that CORBA uses to communicate. In all previous versions of Java Web Start, independent of the JRE which the application uses, the stringified IOR have been the same size regardless of whether the application is deployed locally or via Java Web Start. With Java Web Start 1_6_0, the stringified IOR is much longer than the "real" IOR (again, regardless of the JRE used by the application itself). To me this smells like a bug in Java Web Start 1_6_0. Has anyone else observed this behavior?
Here are some specifics .... I've run the same client application with various JREs both with and without Java Web Start as the deployment mechanism. The application was compiled and runs against servers that are running JDK 1_5_0_09.
Here is the summary of my results from a Linux box running various JREs, various versions of Java Web Start, and also running as a non-JWS deployed application. I've listed the length of the stringified IOR in each case.
JRE 1.5.0 non-JWS client: stringified IOR length = 344
JRE 1.6.0 non-JWS client: stringified IOR length = 344 ... this, I think, excludes the JRE as the cause of these problems.
Java WS 1.5.0, JRE 1.5.0 JWS client: stringified IOR length = 344
Java WS 1.5.0, JRE 1.6.0 JWS client: stringified IOR length = 344
Java WS 1.6.0, JRE 1.6.0 JWS client: stringified IOR length = 1568
Java WS 1.6.0, JRE 1.5.0 JWS cleint: stringified IOR length = 1568
In all cases, the stringified IOR length is determined by the service receiving the message and is always running JRE 1_5_9_09 and is
always the same 344 characters in length UNLESS it was deployed
using Java Web Start 1_6_0, in which case it in nearly 5 times as big!
To me, it sure looks as if there is a problem with Java Web Start 1_6_0 to be adding so much to the stringified IOR. Note: it's hard to tell how different the underlying IOR is in the JWS 1_6_0 case because, unlike most other ORBs, the Sun ORB doesn't have a tool to extract the IOR into a human readable structure. However, I can think of no good reason why the identical application deployed using Java Web Start 1_6_0 should have a stringified IOR length that is different than that of the same application deployed in non-JWS form or should differ from the behavior seen in all previous releases of Java Web Start.
Any clues or suggestions? Has anyone else observed this behavior?
Thanks,
John

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?

About Java Web Start Problems

Hi, everyone....
When I want to deploy BC4J Application using the Java Web Start , I occur one exception.
Java Web Start show exception for me :
java.lang.ExceptionInInitializerError
     at oracle.jbo.mom.DefinitionManager.<init>(DefinitionManager.java:122)
     at oracle.jbo.uicli.mom.JUMetaObjectManager.<init>(JUMetaObjectManager.java:52)
     at oracle.jbo.uicli.mom.JUMetaObjectManager.getJUMom(JUMetaObjectManager.java:131)
     at oracle.jbo.uicli.mom.JUMetaObjectManager.createApplicationObject(JUMetaObjectManager.java:363)
     at mypackage1.FormDepartmentsView1EmployeesView3.main(FormDepartmentsView1EmployeesView3.java:376)
     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)
Caused by: java.security.AccessControlException: access denied (java.util.PropertyPermission oracle.xdkjava.compatibility.version read)
     at java.security.AccessControlContext.checkPermission(Unknown Source)
     at java.security.AccessController.checkPermission(Unknown Source)
     at java.lang.SecurityManager.checkPermission(Unknown Source)
     at java.lang.SecurityManager.checkPropertyAccess(Unknown Source)
     at java.lang.System.getProperty(Unknown Source)
     at oracle.xml.parser.v2.XMLParser.<clinit>(XMLParser.java:753)
     ... 16 more
Can anyone Know what is wrong ?

Wei,
did you sign the jar files you deploy ? Please follow the instruction sin teh online help and have a look at the batch file that need to be run to create the JClient ear file. This file contains signing information that might not be true for your system.
Frank

Java Web Start and JAAS

Has anybody tried to use JAAS in an application launched via Java Web Start?
I'm experiencing problems with it. (The application works fine when being launched directly on the client.)
If somebody already successfully tried, please let me know.
Do I need to modify tags in the JNLP file? Do I need to re-configure my webserver or servlet engine?

OK I got a response from the Java Web Start engineering folks. It sounds like using JAAS directly, to login to an ejb app server or whatever, is out of the question with Java Web Start on JDK1.3:
<< begin Sun's email >>
The problem you got is due to JAAS 1.0 (jaas.jar) uses systemClassLoader to load
classes that are defined in the JNLP application jar files, which should be
loaded by the contextClassLoader instead. For more information on classLoading
with JWS, look at:
http://java.sun.com/products/javawebstart/faq.html#54
http://java.sun.com/products/javawebstart/docs/developersguide.html#dev
The new JAAS that comes with JDK 1.4 fixed this problem, which uses
contextClassLoader in their class.
Thanks for your interest in Java Web Start.
<< end of Sun's email >>
FYI our workaround: We use a SOAP servlet as a proxy for the app server and we've defined a SOAP xmlrpc api between our client and the application server. This has the advantage of being able to get thru firewalls, as our variant of SOAP is transported on HTTP. Java Web Start installs and starts the SOAP client.
I would hope the JWS folks would search the Sun provided services and see which ones ignore the current thread's class loader and fix them.
David Harvey
Siemens Energy and Automation, Inc.
Gardner Systems Business Unit

Java Web Start

Hi,
I've got the XI 3.0 installed and also the SP number 09 has been installed.the JDK version is 1.3.1.which version of the JAVA Web Start should i download and from where can i get it dowloaded.
Thanks and Regards,
Jishi

I got the answer take Pacifist and the Macos 10.4. DVD pull from the DVD Java web start and copy to my Java folder and it works.
But caution there is something wrong with the latest Java Update the free one after my construction i have tried to install the Java Update over and it destroy java web start.

Using Xerces with Java Web Start

I read that there might be problems using xerces with Java Web Start, because JWS uses Sun's implementation of JAXP internally. My application needs Xerces and I think I am able to get it working using the following settings in the JNLP file:
<resources>
<j2se version="1.3"/>
<jar href="xerces-1.4.3.jar"/>
<property name="javax.xml.parsers.DocumentBuilderFactory" value="org.apache.xerces.jaxp.DocumentBuilderFactoryImpl"/>
</resources>

Hi,
I have packaged the xerces jar into my code jar and it does work. HTH
Aniruddha

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.

How to add Java Web Start MIME type to Sun Java SYstem Application Server?

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