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Questions tagged [jnlp]

JNLP stands for Java Network Launch Protocol. It is the format of the XML based files used to configure the details of applications & applets launched using Java Web Start.

Java Network Launching Protocol

JNLP stands for Java Network Launch Protocol. It is both the format/file type of the XML based files used to configure the details of apps. launched using Java Web Start, as well as the package name of the API that is provided to JWS apps.

Java Web Start was introduced in Java 1.2, but originally launched applets as free floating entities. Since Java 1.6.0_10 (the Next Generation Java Plug-In), JNLP based applets can remain embedded in a web page.

The JNLP file specifies the resources required for an app., as well as:

  • Splash image to use
  • Shortcuts for the desktop and start menu
  • Icons for the shortcuts
  • Details of the app. such as title and vendor
  • Download and update behavior
  • The security environment requested by the app. (JWS launched apps. are sand-boxed by default).
  • ..

The javax.jnlp package is an API provided to JWS based apps. The JNLP API enables sand-boxed apps. to achieve things that would otherwise not be possible, as well as providing utility methods considered useful to apps. launched over a network. Demos. of the JNLP API are available, along with with source and build file.

The Java Network Launching Protocol (JNLP) Specification 1.5 Maintenance Release is available for download only. No expansions on the specification were introduced between 1.5 & 1.6, so it is effectively the latest version. The JNLP spec. is a valuable resource that contains information found in no other place.

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OSX JNLP downloading doesn't reach certificate on KeyChain

If the Tomcat server (on Linux) is running with client-authentication=on (org.jboss.web.connector.ssl.client-auth=true), then the client (OSX 1.7.3) can download the JNLP (in browser), but the java-webstart can't download anything not even the JNLP…
Ferte
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JNLP load a jar from a relative address

Sample Screen John Doe …
dsymquen
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download and use .EXE(tesseract) with JNLP

I need to run an application (tesseract) inside my JNLP application. How can I do to download the tesseract.exe file to the client machine and run it? Is there any way to do this JNLP? Is there any way to join tesseract into my jar and then run it…
fhgomes_ti
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JRE 9.01 - JWS error when invoking applet

Im using Oracle JRE 9.1, and trying to execute an applet (Oracle Forms) through Java Web Start. On my JNLP file its defined by the tag applet-desc. It works on Oracle Java 6,7 and 8. But with the version 9, i get the following…
Mateo
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Passing parameter from url to jnlp file

I have a jnlp file and I run it from an url in jsf page. for ex: http://localhost:8080/Test.jnlp I want to pass parameter to my main class which is run with jnlp file. Ex: http://localhost:8080/Test.jnlp?username=testuser I want use it in my main…
Nurullah Obuz
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Dynamic setting of jnlp codebase attribute

In my JSP, I jave a jnlp tag: In the action class, I do have a public String getJnlpCodebase(). The method never gets invoked (I know because I debug) which other JSP variable methods from the struts…
amphibient
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Explain why JNLP is no longer a preferred way of installation for jenkins?

I need explanation about above question ? Thanks in advance.
Abhishek Tripathi
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How can I get only heading names.from the text file

I have a Text file as below: Education: askdjbnakjfbuisbrkjsbvxcnbvfiuregifuksbkvjb.iasgiufdsegiyvskjdfbsldfgd Technical skills : java,j2ee etc., work done:…
SAKETH
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Java-FX failed to load resource exception

I am running my Java-FX application via webstart by tomcat server. After signing and versioning of jars I having this problem when am accessing it through web browser. I am using jnlp and version protocol to start the application through tomcat…
anuj mathur
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Intelligently serving jar files from a web server

I am writing a simple (generic) wrapper Java class that will execute on various computers separate from a deployed web server. I want to download the latest version of a jar file that is the application from that associated Web Server (currently…
JoeG
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How to make JNLP voice chat application?

I've seen some websites made a voice chat using .jnlp (Java Network Launch Protocol ) I was wondering how can I make a website the same like it, and how is that possible? , link: http://arbfoox.com/ | https://elhddbha.com/ | www . 63on . com How…
Spell
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how to access external files that are not in the web app folder using apache server

I have developed a JAVA webstart application using JNLP,am planning access jar files related jnlp from the outside webapp folder how to access those jar files.
BinarySaint
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How can I specify VM options in JNLP-based applet?

I need to specify system properties, i.e. smth like this "-Dx=1 -Dy=2" and pass it to the applet. Also - I launch it through JNLP. Tried the following:
Boris
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StringIndexOutOfBoundExcpetion and failure to launch JNLP in MAC OS

In my application's JNLP file, I specify the PermGenSize in JNLP java-vm-args parameter. After upgrading Java on my MAC to Java7u13, the JNLP fails to launch with java-vm-args params. If I remove the java-vm-args parameter everything works fine. My…
avis
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How to handle .jnlp download file operation in Chrome 53 from Selenium Webdriver

I am trying to write code in Selenium Webdrvier 3.0 + Java 1.8 + Chrome 53 for an application which needs to download and execute a .jnlp file after invoking a get(url). I am not sure whether this could be handled in Selenium webdriver or not? As I…
Anshuman Singh
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