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  1. #1
    tihana is offline Member
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    Default webstart problem after 7u45 update

    After users apply Java 7u45 update, webstart deployment of my Java 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 !

  2. #2
    gimbal2 is offline Just a guy
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    Default Re: webstart problem after 7u45 update

    Sigh, another one. Try copy/pasting that error java.lang.SecurityException: com.sun.deploy.net.JARSigningException: Found unsigned entry in resource into Google and see what you get - you are not the first person in the world to run into this.

    The error itself is quite clear: you have an unsigned jar in your application and the new restricted security measures that are now in effect don't allow that. So you will need to research how to sign jars.
    "Syntactic sugar causes cancer of the semicolon." -- Alan Perlis

  3. #3
    tihana is offline Member
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    Default Re: webstart problem after 7u45 update

    Everything worked fine before 7u45 update. All jars seem to be unsigned but they are actually signed. I tried Google but did not find anything that answers my problem.

  4. #4
    gimbal2 is offline Just a guy
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    Default Re: webstart problem after 7u45 update

    Yes you did - but you did not make the effort to try and understand, which requires reading and thought.

    As I said: update 45 changes quite a bit with regards to the security of the sandbox. I hope that will now trigger you to go find out what.
    "Syntactic sugar causes cancer of the semicolon." -- Alan Perlis

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