Problema ao abrir ZendStudio 5.5.1

[cicerocomp]

Senhores,,, Instalei o ZendStudio 5.5.1, editor para PHP em java.
Porem quando vou executar o programa aparece o erro:

cicero:/usr/local/Zend/ZendStudio-5.5.1/bin# ./ZDE
Invocation of this Java Application has caused an InvocationTargetException. This application will now exit. (LAX)

Stack Trace:
java.lang.ClassFormatError: Illegal exception table handler in class file com/zend/ide/n/cb
        at java.lang.ClassLoader.defineClass1(Native Method)
        at java.lang.ClassLoader.defineClass(Unknown Source)
        at java.security.SecureClassLoader.defineClass(Unknown Source)
        at java.net.URLClassLoader.defineClass(Unknown Source)
        at java.net.URLClassLoader.access$100(Unknown Source)
        at java.net.URLClassLoader$1.run(Unknown Source)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(Unknown Source)
        at java.lang.ClassLoader.loadClass(Unknown Source)
        at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
        at java.lang.ClassLoader.loadClass(Unknown Source)
        at java.lang.ClassLoader.loadClassInternal(Unknown Source)
        at com.zend.ide.a.d.a(Unknown Source)
        at com.zend.ide.a.b.a(Unknown Source)
        at com.zend.ide.v.d.<init>(Unknown Source)
        at com.zend.ide.desktop.cj.X(Unknown Source)
        at com.zend.ide.desktop.cj.a(Unknown Source)
        at com.zend.ide.desktop.Main.a(Unknown Source)
        at com.zend.ide.desktop.Main.main(Unknown Source)
        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.zerog.lax.LAX.launch(DashoA8113)
        at com.zerog.lax.LAX.main(DashoA8113)
This Application has Unexpectedly Quit: Invocation of this Java Application has caused an InvocationTargetException. This application will now exit. (LAX)

Ja tentei intalar como root, como usuario normal.. deu a mesma coisa... ... tenho java instalado na minha maquina..
alguem sabo oq pode ser???

obrigado...