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7u45 java update broke my webstart deployment

Tihana Zuljevic
Greenhorn

Joined: Nov 12, 2013
Posts: 1
After users apply Java 7u45 update, webstart deployment of my JavaSE application throws exception:
'Unable to launch the application' with this exception: ' java.lang.SecurityException: com.sun.deploy.net.JARSigningException: Found unsigned entry in resource: ....'
Can anyone help me with this ? Thank you in advance !
Jacob Anawalt
Ranch Hand

Joined: Oct 27, 2010
Posts: 61

Without more details or being able to look at the actual trouble jars I can only guess.

A lot of people are having trouble with 1.7's update 45 with web start. Some of the things causing trouble include:

  • JNLP-INF/APPLICATION-TEMPLATE signing
  • Using the versioning protocol breaks attributes


  • Check the release notes to see if you're running into known issues:

    http://www.oracle.com/technetwork/java/javase/7u45-relnotes-2016950.html

    I've seen this error for a different reason. I build a project that has a common library I try to reference as an extension resource. Unfortunately my build process also pulls the same library in under lib/ and references it in the main jar's manifest. The library jar is built and signed twice and for some reason is slightly different in size. This trips up the javaws loader with errors about signatures. That was hard to sort out because I would look at the extension jar and test it's signature and it was fine, yet it's name was appearing as the one being unsigned.

    Jacob
     
    It is sorta covered in the JavaRanch Style Guide.
     
    subject: 7u45 java update broke my webstart deployment