End User Documentation

• How to fix Mac OS X WebStart bugs
• Clearing OS X Java WebStart Cache
• Enabling Windows Java WebStart Cache
• Clearing Windows Java WebStart Cache

Java Webstart

• Sun's Java Webstart Developer page
• Webstart Debugging Tips
• JNLP Specification v1.0.1 (pdf) - the jnlp spec this can be downloaded from sun. It has lots of useful details.
• JNLP Specification v1.5.0 (pdf) - this jnlp spec may need to be downloaded directly from sun. It has lots of useful details.
• Lopica - third party webstart group at sourceforge with lots of useful info.
• Lopica's Unofficial Java Web Start/JNLP FAQ
• Sun's developer pack includes the servlet jar file.
• Webstart 1.5 Developers Guide - The FAQ on this page has links to the "enterprise configuration" and "CD installation"
  • Enterprise Configuration
  • Cache Installation or CD Installation
  • Java 1.5 Deployment Guide has info about the control panel, and the different user and
    deployment properties.
  • Java 1.6 Deployment Guide

Java Webstart Servlet

• Suns download servlet - This handles jar diffs andexpanding simple macros in jnlp files.
• Setup Local Jnlp Server
• Local Webstart Install of Versioned jars
• Open source download servlet

Signatures, Keystores, and Certificates

• keytool
• jarsigner
• Java Timestamped Signatures

Project-specific webstart documentation

• TELS/SAIL JNLP Information

Tips

main class can't be in a extension component.
Webstart Finding mismatched signatures
Collected exceptions when launching Web Start

Webstart Issues

• Changing IP address of server breaks jardiff
• comments in jnlp file cause errors
• Misconfigured http headers cause IE to lose jnlps
• Missing string.properties from javaws.jar
• NPE when launching installer extensions
• selection of j2se element on OS X 10.4 is non intuitive
• Spaces in folder names breaks jardiff
• specifying heap size in j2se element crashes on 10.4 OSX
• Using -import doesn't respect system deployment.user.cachedir
• Using -import while offline breaks when downloading jardiff later
• Webstart not registered for .jnlp extension

jnlp-1_0_1-spec.pdf (application/pdf)