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My problem is that I downloaded a file with the the extension .jnlp . I have the necessary installed requirements Java Runtime Environment (JRE) 7 openjdk. When I try to open the necessary/required downloaded Scottrade.jnlp file, it processes the request, but I get an error. Here is more data https://bugs.launchpad.net/ubuntu/+source/gtk+2.0/+bug/1385639. I don't know why it's not working. But if you have any details toward fixing this issue. Please advice me. System Spec: Ubuntu 12.04, 64 bit, system is up to data Thank You Here is the error message that I received !

net.sourceforge.jnlp.LaunchException: Fatal: Initialization Error: Could not initialize application. 
    at net.sourceforge.jnlp.Launcher.createApplication(Launcher.java:778)
    at net.sourceforge.jnlp.Launcher.launchApplication(Launcher.java:552)
    at net.sourceforge.jnlp.Launcher$TgThread.run(Launcher.java:889)
Caused by: net.sourceforge.jnlp.LaunchException: Fatal: Application Error: Cannot grant permissions to unsigned jars. Application requested security permissions, but jars are not signed.
    at net.sourceforge.jnlp.runtime.JNLPClassLoader.setSecurity(JNLPClassLoader.java:289)
    at net.sourceforge.jnlp.runtime.JNLPClassLoader.<init>(JNLPClassLoader.java:209)
    at net.sourceforge.jnlp.runtime.JNLPClassLoader.getInstance(JNLPClassLoader.java:323)
    at net.sourceforge.jnlp.Launcher.createApplication(Launcher.java:770)
    ... 2 more
Caused by: 
net.sourceforge.jnlp.LaunchException: Fatal: Application Error: Cannot grant permissions to unsigned jars. Application requested security permissions, but jars are not signed.
    at net.sourceforge.jnlp.runtime.JNLPClassLoader.setSecurity(JNLPClassLoader.java:289)
    at net.sourceforge.jnlp.runtime.JNLPClassLoader.<init>(JNLPClassLoader.java:209)
    at net.sourceforge.jnlp.runtime.JNLPClassLoader.getInstance(JNLPClassLoader.java:323)
    at net.sourceforge.jnlp.Launcher.createApplication(Launcher.java:770)
    at net.sourceforge.jnlp.Launcher.launchApplication(Launcher.java:552)
    at net.sourceforge.jnlp.Launcher$TgThread.run(Launcher.java:889)
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  • I think you should install Oracle Java instead of OpenJDK
    – c0rp
    Oct 29, 2014 at 13:46
  • Use this link to check how to install JDK 7
    – c0rp
    Oct 29, 2014 at 13:47
  • If this will help, please write selfanswer here
    – c0rp
    Oct 29, 2014 at 13:49

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