I can't start or install SPARK on ubuntu 12.04 lts

hi this is the error:

/usr/share/Spark/Spark

java.lang.reflect.InvocationTargetException

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)

at java.lang.reflect.Method.invoke(Unknown Source)

at org.jivesoftware.launcher.Startup.start(Startup.java:94)

at org.jivesoftware.launcher.Startup.main(Startup.java:44)

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)

at java.lang.reflect.Method.invoke(Unknown Source)

at com.exe4j.runtime.LauncherEngine.launch(Unknown Source)

at com.install4j.runtime.Launcher.main(Unknown Source)

Caused by: java.lang.UnsatisfiedLinkError: /usr/share/Spark/jre/lib/i386/xawt/libmawt.so: libXtst.so.6: cannot open shared object file: No such file or directory

at java.lang.ClassLoader$NativeLibrary.load(Native Method)

at java.lang.ClassLoader.loadLibrary0(Unknown Source)

at java.lang.ClassLoader.loadLibrary(Unknown Source)

at java.lang.Runtime.load0(Unknown Source)

at java.lang.System.load(Unknown Source)

at java.lang.ClassLoader$NativeLibrary.load(Native Method)

at java.lang.ClassLoader.loadLibrary0(Unknown Source)

at java.lang.ClassLoader.loadLibrary(Unknown Source)

at java.lang.Runtime.loadLibrary0(Unknown Source)

at java.lang.System.loadLibrary(Unknown Source)

at sun.security.action.LoadLibraryAction.run(Unknown Source)

at java.security.AccessController.doPrivileged(Native Method)

at java.awt.Toolkit.loadLibraries(Unknown Source)

at java.awt.Toolkit.(Unknown Source)

at com.jtattoo.plaf.JTattooUtilities.(Unknown Source)

at com.jtattoo.plaf.AbstractLookAndFeel.(Unknown Source)

at java.lang.Class.forName0(Native Method)

at java.lang.Class.forName(Unknown Source)

at javax.swing.SwingUtilities.loadSystemClass(Unknown Source)

at javax.swing.UIManager.setLookAndFeel(Unknown Source)

at org.jivesoftware.Spark.loadLookAndFeel(Spark.java:271)

at org.jivesoftware.Spark.startup(Spark.java:186)

… 12 more

thanks for help…

If you’re running 64-bit Ubuntu, you’ll need to install the package ia32-libs .

You have the 64-bit version of libxtst6, but installing ia32-libs will add the 32-bit version that Spark requires.