Java Network Launching Protocol

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File Format
Name Java Network Launching Protocol
Ontology
Extension(s) .jnlp
Released 2002?[1]

The Java Network Launching Protocol (JNLP) is the file format used by Java Web Start, a Java component that allows programs to be run outside of the browser (i.e. not as applets) but still in a sandbox. Users download the JNLP file and give it to an interpreter, which in turn downloads resources (Jar files, splash screens, etc.) whose URLs are listed by the file, and runs them. Java Web Start, like the applet system, eventually fell into disuse, and it was finally removed in Java version 11[2] in 2018[3].

Contents

Extensions

JNLP files use the extension ".jnlp".

Samples

Software

  • NetX - currently maintained as part of IcedTea after the original was abandoned[4]
    • Debian package icedtea-netx
  • Official Java releases before 11

Links

References

  1. ↑ Java Web Start is described in JDK 1.4 documentation at [1], but not version 1.3 documentation at [2]; the date is from Wikipedia:Java version history.
  2. ↑ http://www.oracle.com/technetwork/java/javase/javaclientroadmapupdate2018mar-4414431.pdf → p. 6
  3. ↑ Wikipedia:Java version history
  4. ↑ Description of Debian 10 package icedtea-netx
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