ImportError: No module named server

[manasonnet]

ava.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 com.i2.ds.install.server.bootstrap.Setup.startInstall(Unknown Source)
    at com.i2.ds.install.server.bootstrap.Setup.main(Unknown Source)
Caused by: Traceback (innermost last):
  File "<string>", line 1, in ?
ImportError: No module named server
 
    at org.python.core.Py.ImportError(Py.java:265)
    at org.python.core.imp.import_logic(imp.java:624)
    at org.python.core.imp.import_name(imp.java:680)
    at org.python.core.imp.importName(imp.java:725)
    at org.python.core.ImportFunction.load(__builtin__.java:1209)
    at org.python.core.ImportFunction.__call__(__builtin__.java:1205)
    at org.python.core.PyObject.__call__(PyObject.java:245)
    at org.python.core.__builtin__.__import__(__builtin__.java:1166)
    at org.python.core.imp.importFromAs(imp.java:779)
    at org.python.core.imp.importFrom(imp.java:765)
    at org.python.pycode._pyx5.f$0(<string>:1)
    at org.python.pycode._pyx5.call_function(<string>)
    at org.python.core.PyTableCode.call(PyTableCode.java:174)
    at org.python.core.PyCode.call(PyCode.java:14)
    at org.python.core.Py.runCode(Py.java:1175)
    at org.python.core.Py.exec(Py.java:1201)
    at org.python.util.PythonInterpreter.exec(PythonInterpreter.java:122)
    at com.i2.ds.install.server.bootstrap.ServerInstallBootStrap.startPython(Unknown Source)
    ... 6 more

Any Suggestions .......................
How to Solve this Error........................
Have already Cheched in Jython Jars...server module is Not Present there ?

[manasonnet]

its an URGENT Request........................

please reply anything if any one haveing idea..........................