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

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Hello,
I've written a program in NetBeans 4.1 and I plan on deploying it using Java Web Start. The program launches fine in NetBeans, and when I double click on the jar file on my computer it runs fine.
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OK,
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The cache about Java Web Start

can anybody tell me about the meaning of the jws cache structure?
i want to konw the meaning of
P8080
DMJNLPExamples
DMapp
DMlib
RTjbossall-client.jar
RCjbossall-client.jar
RMjbossall-client.jar
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thanks in advance!
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Warning - the cache structure is internal to Java Web Start and subjuct to change between versions of javaws.
In fact Sun has plans that would merge the webstart and plugin cache in 1.6.0, completely changing the structure.
That being said, in the current format, the prefix chars are as follows (from the source bundle of 1.4.2):
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Types:
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public final static char VERSION_TYPE = 'V'; // Used internally
public final static char INDIRECT_TYPE = 'I'; // Used internally
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public final static char EXTENSION_TYPE = 'E'; // Extension-Desc
public final static char MUFFIN_TYPE = 'P'; // Muffins!
Attributes:
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public final static char NATIVELIB_FILE_TAG = 'N'; // A directory where a native lib jar gets expanded into
public final static char TIMESTAMP_FILE_TAG = 'T'; // The timestamp file
public final static char CERTIFICATE_FILE_TAG = 'C'; // A certificate stored with the resource
public final static char LAP_FILE_TAG = 'L'; // LocalApplicationProperties
public final static char MAPPED_IMAGE_FILE_TAG = 'B'; // Translated images (such as bmp)
public final static char MUFFIN_ATTR_FILE_TAG = 'U'; // running out of letters - U is for mUffin
/Dietz

About java web start and *.jnlp

very strange. I can start it if I replace http://127.0.0.1/ with
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<?xml version="1.0" encoding="UTF-8" ?>
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</jnlp>

Hi,
-To make IE associate with .jnlp is the same way you set in the explorer.
-but i'm using Netscape which is my prefer.. I just set it in....
EDIT -> Preferences -> Navigator -> Helper Application -> [New Types]
then Set MIME : "application/x-java-jnlp-file" and Application to Use : javaws.exe (Java Web Start)...
ummm this should make Netscape See JNLP file and launch it with JWS...
PS. Ummm... I have to say that i'm newbie.. sometime i know how to make it works but i don't know how to make it work properly. So if somethings wrong, DON'T hesitate to give an advice. I really want to know how to make those work properly.
Hope it works.
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[email protected]

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

Hi,
In the process of learning about Java Web Start,
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Sun

I believe you can add it to default-web.xml file located in your server config dir.
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Mac OS 10.4.8 , Java Web Start and JRE version of 1.4.2 and 1.5.0 problem

Hello,
I've been searching internet and reading the problems related to Java Web Start and JNLP.
But no solution I read can solve what I faced.
I'm running Mac OS x 10.4.8 and Macintosh updates the Java in my machine so that it has Java version 1.4.2 and Java 1.5.0
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Are you up to date with the updates?
Update for Snow Leopard users:
Apple issued update 12 for Java for OS 10.6:
http://support.apple.com/kb/DL1573
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If, after installing Java for OS X 2013-002 and the latest version of Java 7 from Oracle, you want to disable Java 7 and re-enable the Apple-provided Java SE 6 web plug-in and Web Start functionality, follow these steps:
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Hola to all.
I have the following problem. My application not discharge of the server when you exist a new version. The application runs off line but when exist a new version must download the last version, is the idea.
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I leave you the launch.jnlp file.
<?xml version="1.0" encoding="UTF-8"?>
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                         <description>Configuracion del sistema comercial de la empresa "El Paso"</description>
                         <icon href="elpasoSetup32.png" kind="default"/>
                         <offline-allowed/>
                         <shortcut online="false">
                              <desktop/>
                              <menu submenu="Sistemas XXX\El Paso"/>
                         </shortcut>
                    </related-content>
    </information>
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    <application-desc main-class="elPaso.Main">
    </application-desc>
</jnlp>

The launch file seems invalid. Try checking it, and the entire launch, using JaNeLA.

How to solve the certificate problems in Java Web Start

Hi, All,
I encounted these two problems recently:
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'=================================
An error occurred while launching/running the application.
Title: My stuff
Vendor: UCLA
Category: Launch File Error
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=================================
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In another forum answer, a user named Dietz suggested the following:
If you have a library signed by another signer, you need to factor it out into a seperate extension jnlp file.
AJones0131

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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
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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?

Java Web Start and JNLP Problem

Hi !
I�m a student and i need your help for a work that i have to do.
I have an aplication that parse an XML file.
The XML file is in ther server, and when i run the aplication with Java Web
Start and jnlp file i want that the application parse a XML file.
is this possible??? how can i do ???
if you dont understand please warn me, that i try to explain better..
thanks, in advance.
Rui Silva , Portugal

I'm not sure that you need webstart.
Just an applet will allow you to read a file from the server:
Just open a URL pointing to the .xml file.
Read the file into a buffer and then parse it.
Now actually getting the applet to do something with the contents of the .xml file
is more complicated. Presumably you need to write something which understands the
contents of the .xml and does something in response to the contents.
A signed java program can be run from with in webstart which can spawn processes on
the local machine. os.systemExec("command a b c"); But of course that has cross platform
problems.
Good luck

A RCP Application using javafx deployed by java web start,in jre8u25 run have problem.

a RCP Application using javafx deployed by java web start,in jre8u20 can use jre7run the applicat,but in jre8u25 use jre7run application have problem.
in jre8u20 use jre7 run the application can run success.
but in jre8u20 the control print:
java.lang.UnsupportedClassVersionError: com/sun/javafx/runtime/VersionInfo : Unsupported major.minor version 52.0
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(Unknown Source)
at java.security.SecureClassLoader.defineClass(Unknown Source)
at java.net.URLClassLoader.defineClass(Unknown Source)
at java.net.URLClassLoader.access$100(Unknown Source)
at java.net.URLClassLoader$1.run(Unknown Source)
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at com.sun.deploy.config.JfxRuntime.runtimeForPath(Unknown Source)
at com.sun.deploy.config.JREInfo.<init>(Unknown Source)
at com.sun.deploy.config.JREInfo.setInstalledJREList(Unknown Source)
at com.sun.deploy.config.ClientConfig.storeInstalledJREs(Unknown Source)
at com.sun.javaws.Main.launchApp(Unknown Source)
at com.sun.javaws.Main.continueInSecureThread(Unknown Source)
at com.sun.javaws.Main.access$000(Unknown Source)
at com.sun.javaws.Main$1.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
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how could i solve this problem?

Hi,
I have created client stubs for a webservice using axis wsdl2java tool. When I try calling these stubbed methods from JUnit tests, they are working fine but when I try to execute the jar (it is a swing) I get the following exception:
Exception in thread "main" java.lang.NoClassDefFoundError: javax/xml/rpc/Service
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(Unknown Source)
at java.security.SecureClassLoader.defineClass(Unknown Source)
at java.net.URLClassLoader.defineClass(Unknown Source)
at java.net.URLClassLoader.access$100(Unknown Source)
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClassInternal(Unknown Source)
at com.Gudds.SeCURE.MainUI.<init>(MainUI.java:76)
at com.Gudds.SeCURE.Main.Start(Main.java:62)
at org.owasp.webscarab.WebScarab.main(WebScarab.java:34)
I have put the jaxrpc.jar in the classpath and I suppose this jar has the java.xml.rpc.service class but I donot understand why it fails while executing the jar but works fine from the eclipse IDe. Plase help me.
Regrdas,
Kundan

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