Android SDK manager doesn't open. Specifically the GUI

When running the Android sdk manager via terminal or just Eclipse itself. I get the following errors. However, i can still update it via "android update sdk --no-ui" But for some reason the manager doesnt open on eclipse or the terminal. The errors i get are the following:

wag@wag:~/Development/Android SDK$ ./tools/android Exception in thread "main" java.lang.NoClassDefFoundError: org/eclipse/jface/viewers/ColumnViewer at com.android.sdkuilib.internal.repository.ui.SdkUpdaterWindowImpl2.createContents(SdkUpdaterWindowImpl2.java:192) at com.android.sdkuilib.internal.repository.ui.SdkUpdaterWindowImpl2.open(SdkUpdaterWindowImpl2.java:139) at com.android.sdkuilib.repository.SdkUpdaterWindow.open(SdkUpdaterWindow.java:110) at com.android.sdkmanager.Main.showSdkManagerWindow(Main.java:344) at com.android.sdkmanager.Main.doAction(Main.java:322) at com.android.sdkmanager.Main.run(Main.java:119) at com.android.sdkmanager.Main.main(Main.java:102) Caused by: java.lang.ClassNotFoundException: org.eclipse.jface.viewers.ColumnViewer at java.net.URLClassLoader$1.run(URLClassLoader.java:202) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:190) at java.lang.ClassLoader.loadClass(ClassLoader.java:306) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301) at java.lang.ClassLoader.loadClass(ClassLoader.java:247) ... 7 more wag@wag:~/Development/Android SDK$

So what am i missing here, thanks in advance.

Source: http://askubuntu.com/questions/218602/android-sdk-manager-doesnt-open-specifically-the-gui

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