I am not able launch JNLP applications using “Java Web Start”?
Have a look at what happens if you run javaws.exe directly from the command line.
java-web-start
SecurityException during executing jnlp file (Missing required Permissions manifest attribute in main jar)
JAR File Manifest Attributes for Security The JAR file manifest contains information about the contents of the JAR file, including security and configuration information. Add the attributes to the manifest before the JAR file is signed. See Modifying a Manifest File in the Java Tutorial for information on adding attributes to the JAR manifest file. … Read more
How to make a machine trust a self-signed Java application
Just Go To *Startmenu >>Java >>Configure Java >> Security >> Edit site list >> copy and paste your Link with problem >> OK Problem fixed :)*
Java 7u51 will not accept JNLP with self-signed certificate?
Yes, this is true. This blog entry from Oracle has the details. As I understand it, you have three options for continuing to work: Sign your app with a trusted cert Normally, this is done by acquiring a cert from one of the vendors whose root certs are trusted by Java by default. You can … Read more
Java Web Start support in Java 9 and beyond
According to http://www.oracle.com/technetwork/java/javase/9-deprecated-features-3745636.html Java Deployment Technologies are deprecated and will be removed in a future release Java Applet and WebStart functionality, including the Applet API, The Java plug-in, the Java Applet Viewer, JNLP and Java Web Start including the javaws tool are all deprecated in JDK 9 and will be removed in a future release. … Read more
How do I upgrade to jlink (JDK 9+) from Java Web Start (JDK 8) for an auto-updating application?
In May 2019 commented to watch the OpenWebStart project. Now (October 2019) it is time to give OpenWebStart serious consideration. While not yet feature complete, a alpha beta release of OpenWebStart is now available for download under a “GPL with Classpath exception” license. The OpenWebStart Technical Details page states: OpenWebStart is based on Iced-Tea-Web and … Read more
How can I debug applications under Java Web Start (JNLP)?
It’s quite the same like with any other Java process you want to debug remotely: You have to set up some arguments for the VM (-Xdebug -Xnoagent -Xrunjdwp:transport=dt_socket,server=n,suspend=y,address=12345 ) and then connect to the given port. In Java webstart 6.0 this can be done with the -J option, in earlier version via environment variable JAVAWS_VM_ARGS. … Read more
What is the difference between runnable jar library handling options?
Extract required libraries into JAR – Extracts the actual .class files from the libraries your app uses and puts those .class files inside the runnable JAR. So, the runnable JAR will not only contain the .class files of your application, but also the .class files of all the libraries your application uses. Package required libraries … Read more
How to change the alias of a key within a keystore?
It is possible to duplicate a key in a keystore with the keyclone command of keytool: keytool -keyclone -alias “your-very-very-long-alias” -dest “new-alias” -keypass keypass -new new_keypass -keystore /path/to/keystore -storepass storepass The changealias command changes the alias for an existing entry: keytool -changealias -alias “your-very-very-long-alias” -destalias “new-alias” -keypass keypass -keystore /path/to/keystore -storepass storepass For those that … Read more