[Bug 1448548] Re: OpenJDK 7/8 don't generate .desktop needed by nautilus

[Marc Deslauriers]

cautious-launcher is an Ubuntu-specific helper that ensures .jar files
have the required executable bit set in order to comply with the
following:

https://wiki.ubuntu.com/SecurityTeam/Policies#Execute-
Permission_Bit_Required


The problem with openjdk is with this section in the rules file:

# .desktop files need to be multiarch installable
java_launcher = /$(basedir)/bin/java
java_launcher = /usr/bin/java
ifeq ($(distribution),Ubuntu)
  ifeq (,$(filter $(distrel),karmic jaunty intrepid hardy))
    java_launcher = cautious-launcher %f /$(basedir)/bin/java
    java_launcher = cautious-launcher %f /usr/bin/java
  endif
endif


I'm not sure why java_launcher is getting set twice, and I'm not sure why we're limiting cautious-launcher to older ubuntu releases.

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https://bugs.launchpad.net/bugs/1448548

Title:
  OpenJDK 7/8 don't generate .desktop needed by nautilus

Status in openjdk-7 package in Ubuntu:
  Confirmed
Status in openjdk-8 package in Ubuntu:
  Confirmed

Bug description:
  Ubuntu Release: 15.04 Vivid Vervet

  Version of Package: 8u45-b14-1

  What I Expected to Happen: I expected that in order to install Java on my system, I could simply run:
  sudo apt-get install openjdk-8-jre OR sudo apt-get install openjdk-8-jdk
  I also expected that it would automatically generate a .desktop file inside of /usr/share/applications in order to set OpenJDK as the default way of opening .JAR files.

  What Happened Instead: Java installs just fine. However, if I try to set OpenJDK as the default for opening .JAR files, there is no entry for OpenJDK in the "Default Applications" list (under Right Click > Properties > Open With). That meant that I had to manually navigate to /usr/share/applications in Terminal and manually create an openjdk-8-java.desktop file containing:
  [Desktop Entry]
  Name=OpenJDK Java 8 Runtime
  Comment=OpenJDK Java 8 Runtime
  Exec=java -jar %u
  Terminal=false
  Type=Application
  Icon=openjdk-8
  Mimetype=application/x-java-archive;application/java-archive;application/x-jar;
  NoDisplay=false

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