17 questions
- Bountied 0
- Unanswered
- Frequent
- Score
- Trending
- Week
- Month
- Unanswered (my tags)
1
vote
1
answer
448
views
OpenWebStart always asks to install JVM
I'm using OpenWebStart 1.11.1 with a Corretto JVM to run my Web Start application, what works fine by the way. But what is really annoying is that on every launch of the Web Start application, ...
1
vote
0
answers
76
views
Open Web Start, Unknown Source error in logs
I have the repeatable error in logs of the Open Web Start which is
[ITW-APP ][2025年01月20日 16:04:47.325
CET][ERROR][java.base/sun.nio.cs.StreamEncoder.writeBytes(Unknown
Source)] 4190 [AWT-EventQueue-1]...
1
vote
0
answers
395
views
Error executing JNLP file with Open Web Start
I have an old Applet that is using Java Web Start.
To launch this Applet, I use this JNLP file:
<?xml version="1.0" encoding="utf-8"?>
<jnlp spec="6.0+" codebase=...
3
votes
1
answer
2k
views
Unable to run jnlp using Open Webstart Java 8
My application is developed on oracle jdk8 and UI is written in javafx. UI runs with javaws however, it openWebstart fails to launch same UI with error "Application Error: Not a launchable JNLP ...
0
votes
1
answer
2k
views
Java webstart application security issue with OpenWebStart and log4j2
I'm migrating some auto-signed WebStart (WS) applications from Oracle's Java 8 to OpenJDK11+OpenWebStart. However I'm getting strange java.io.FilePermission errors after the migration (in other words, ...
1
vote
0
answers
2k
views
Unable to open my jnlp file on open web start using JVM 1.17 but I am able to open same with JVM 1.8
While I am trying to open my jnlp file using on open web start using JVM 1.17, I am getting the following errors but it is opening fine with JVM 1.8.
net.sourceforge.jnlp.LaunchException: Fatal: ...
0
votes
0
answers
1k
views
Open Web Start - java.sql.date ClassNotFound when lauching the client
We are currently migrating from Java 8 to Java 17 + open web start. We are facing an issue we are not able to solve after quite a lot of research : We get a ClassNotFound error on java.sql.Date when ...
1
vote
1
answer
1k
views
JNLP file blocked by security manager stating the error -> java.security.AccessControlException: access denied
I am trying to run my jnlp file which is basically getting my jenkins agent online after i reboot my pc , previously with java web start recently with OpenWebStart i am getting this issue every time ...
2
votes
0
answers
4k
views
The Jnlp application is not fully signed
After running the jnlp file, I get the following error:
Error text:
net.sourceforge.jnlp.LaunchException: Fatal: Initialization Error: Could not initialize application. The application has not been ...
2
votes
1
answer
214
views
net.adoptopenjdk.icedteaweb.shaded.mozilla.javascript.EcmaError: ReferenceError: "java" is not defined. (internal#105)
When trying to invoke a JNLP application with OpenWebStart, I get this stack trace of errors.
net.adoptopenjdk.icedteaweb.shaded.mozilla.javascript.EcmaError: ReferenceError: "java" is not ...
3
votes
0
answers
311
views
How to make sure that single instance of Java Web Start application is running on client's machine?
I am trying to execute .jnlp file on client machine using java web start as well as open web start.
How to make sure that only single instance of jnlp application or java web start application is ...
2
votes
2
answers
2k
views
How to use Openjfx in a webstart application using OpenWebStart
We are migrating a Java 1.8 JavaFX/Webstart application to Java 11 using Openjfx (https://openjfx.io) and OpenWebStart (https://openwebstart.com).
We successfully migrate and run the app to JavaFx-14 ...
0
votes
1
answer
486
views
OpenWebStart Application Login with Kerberos - Checksum failed
I try to run OpenWebStart application which displays Login-Dialog und does Login on Kerberos. I get "Checksum failed" Exception (see below). I'm running KDC in VM (Centos7) and in Kerberos Log I see ...
2
votes
1
answer
350
views
OpenWebStart + IcedTea-Web: j2se element
With OpenWebStart (Java SE 11), what URL should we use in the j2se element?
<j2se href="http://java.sun.com/products/autodl/j2se" version="11+"/>
This link seems to be dead.
The "autodl" in ...
1
vote
1
answer
615
views
OpenWebStart + IcedTea-Web: JNLP DOCTYPE or XSD
What is the current JNLP specification (version) for OpenWebStart (Java SE 11)?
There is an inofficial JNLP version list here, but only up to Java SE 8.
Should still the DTD from Oracle/ Sun be used?...