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Thread: java.awt.HeadlessException

  1. #1
    Join Date
    Oct 2012
    Beans
    2

    java.awt.HeadlessException

    Hi peeps,

    I have installed SQL Developer and when trying to run it i get this error:


    java.awt.HeadlessException
    at java.awt.GraphicsEnvironment.checkHeadless(Graphic sEnvironment.java:173)
    at java.awt.Window.<init>(Window.java:477)
    at java.awt.Frame.<init>(Frame.java:419)
    at javax.swing.JFrame.<init>(JFrame.java:218)
    at oracle.ide.IdeCore$StartupWindow.<init>(IdeCore.ja va:1960)
    at oracle.ide.IdeCore.startupImpl(IdeCore.java:1148)
    at oracle.ide.Ide.startup(Ide.java:703)
    at oracle.ideimpl.DefaultIdeStarter.startIde(DefaultI deStarter.java:35)
    at oracle.ideimpl.Main.start(Main.java:184)
    at oracle.ideimpl.Main.main(Main.java:146)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Nativ e Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(Native MethodAccessorImpl.java:57)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(De legatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:616)
    at oracle.ide.boot.PCLMain.callMain(PCLMain.java:62)
    at oracle.ide.boot.PCLMain.main(PCLMain.java:54)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Nativ e Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(Native MethodAccessorImpl.java:57)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(De legatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:616)
    at oracle.classloader.util.MainClass.invoke(MainClass .java:128)
    at oracle.ide.boot.IdeLauncher.bootClassLoadersAndMai n(IdeLauncher.java:189)
    at oracle.ide.boot.IdeLauncher.launchImpl(IdeLauncher .java:89)
    at oracle.ide.boot.IdeLauncher.launch(IdeLauncher.jav a:65)
    at oracle.ide.boot.IdeLauncher.main(IdeLauncher.java: 54)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Nativ e Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(Native MethodAccessorImpl.java:57)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(De legatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:616)
    at oracle.ide.boot.Launcher.invokeMain(Launcher.java: 713)
    at oracle.ide.boot.Launcher.launchImpl(Launcher.java: 115)
    at oracle.ide.boot.Launcher.launch(Launcher.java:68)
    at oracle.ide.boot.Launcher.main(Launcher.java:57)

    Can anyone guide me or at least explain what does that error means, so I could try to fix it myself.

    Btw, I'm new to Linux/Ubuntu so please be gentle.



    Thank you!

  2. #2
    Join Date
    Oct 2012
    Beans
    2

    Re: java.awt.HeadlessException

    I've installed latest version of JDK and now it works.

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