>>> import subprocess
Got throwable in Signal initialisation : java.lang.IllegalArgumentException: Unknown signal: INFO
java.lang.IllegalArgumentException: Unknown signal: INFO
        at com.ibm.misc.AbstractSignalInfo.getSignalNumber(AbstractSignalInfo.java:59)
        at com.ibm.misc.SignalInfo.getSignalNumber(SignalInfo.java:43)
        at sun.misc.Signal.<init>(Signal.java:141)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:56)
        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:39)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:527)
        at org.python.core.PyReflectedConstructor.constructProxy(PyReflectedConstructor.java:210)
        at org.python.core.PyReflectedConstructor.__call__(PyReflectedConstructor.java:179)
        at org.python.core.PyObject.__call__(PyObject.java:361)
        at org.python.core.PyMethod.instancemethod___call__(PyMethod.java:232)
        at org.python.core.PyMethod.__call__(PyMethod.java:223)
        at org.python.core.PyMethod.__call__(PyMethod.java:218)
        at org.python.core.Deriveds.dispatch__init__(Deriveds.java:19)
        at org.python.core.PyObjectDerived.dispatch__init__(PyObjectDerived.java:1077)
        at org.python.core.PyType.type___call__(PyType.java:1645)
        at org.python.core.PyType.__call__(PyType.java:1628)
        at org.python.core.PyObject.__call__(PyObject.java:403)
        at org.python.core.PyObject.__call__(PyObject.java:407)
        at signal$py._init_signals$1(/home/ricie/jython-standalone-2.7-b1.jar/Lib/signal.py:99)
        at signal$py.call_function(/home/ricie/jython-standalone-2.7-b1.jar/Lib/signal.py)
        at org.python.core.PyTableCode.call(PyTableCode.java:165)
        at org.python.core.PyBaseCode.call(PyBaseCode.java:120)
        at org.python.core.PyFunction.__call__(PyFunction.java:337)
        at signal$py.f$0(/home/ricie/jython-standalone-2.7-b1.jar/Lib/signal.py:218)
        at signal$py.call_function(/home/ricie/jython-standalone-2.7-b1.jar/Lib/signal.py)
        at org.python.core.PyTableCode.call(PyTableCode.java:165)
        at org.python.core.PyCode.call(PyCode.java:18)
        at org.python.core.imp.createFromCode(imp.java:393)
        at org.python.core.util.importer.importer_load_module(importer.java:109)
        at org.python.modules.zipimport.zipimporter.zipimporter_load_module(zipimporter.java:161)
        at org.python.modules.zipimport.zipimporter$zipimporter_load_module_exposer.__call__(Unknown Source)
        at org.python.core.PyBuiltinMethodNarrow.__call__(PyBuiltinMethodNarrow.java:47)
        at org.python.core.imp.loadFromLoader(imp.java:520)
        at org.python.core.imp.find_module(imp.java:474)
        at org.python.core.imp.import_next(imp.java:737)
        at org.python.core.imp.import_module_level(imp.java:846)
        at org.python.core.imp.importName(imp.java:936)
        at org.python.core.ImportFunction.__call__(__builtin__.java:1278)
        at org.python.core.PyObject.__call__(PyObject.java:373)
        at org.python.core.__builtin__.__import__(__builtin__.java:1231)
        at org.python.core.imp.importOne(imp.java:955)
        at subprocess$py.f$0(/home/ricie/jython-standalone-2.7-b1.jar/Lib/subprocess.py:1897)
        at subprocess$py.call_function(/home/ricie/jython-standalone-2.7-b1.jar/Lib/subprocess.py)
        at org.python.core.PyTableCode.call(PyTableCode.java:165)
        at org.python.core.PyCode.call(PyCode.java:18)
        at org.python.core.imp.createFromCode(imp.java:393)
        at org.python.core.util.importer.importer_load_module(importer.java:109)
        at org.python.modules.zipimport.zipimporter.zipimporter_load_module(zipimporter.java:161)
        at org.python.modules.zipimport.zipimporter$zipimporter_load_module_exposer.__call__(Unknown Source)
        at org.python.core.PyBuiltinMethodNarrow.__call__(PyBuiltinMethodNarrow.java:47)
        at org.python.core.imp.loadFromLoader(imp.java:520)
        at org.python.core.imp.find_module(imp.java:474)
        at org.python.core.imp.import_next(imp.java:737)
        at org.python.core.imp.import_module_level(imp.java:846)
        at org.python.core.imp.importName(imp.java:936)
        at org.python.core.ImportFunction.__call__(__builtin__.java:1278)
        at org.python.core.PyObject.__call__(PyObject.java:373)
        at org.python.core.__builtin__.__import__(__builtin__.java:1231)
        at org.python.core.imp.importOne(imp.java:955)
        at org.python.pycode._pyx1.f$0(<stdin>:1)
        at org.python.pycode._pyx1.call_function(<stdin>)
        at org.python.core.PyTableCode.call(PyTableCode.java:165)
        at org.python.core.PyCode.call(PyCode.java:18)
        at org.python.core.Py.runCode(Py.java:1302)
        at org.python.core.Py.exec(Py.java:1346)
        at org.python.util.PythonInterpreter.exec(PythonInterpreter.java:215)
        at org.python.util.InteractiveInterpreter.runcode(InteractiveInterpreter.java:89)
        at org.python.util.InteractiveInterpreter.runsource(InteractiveInterpreter.java:70)
        at org.python.util.InteractiveInterpreter.runsource(InteractiveInterpreter.java:46)
        at org.python.util.InteractiveConsole.push(InteractiveConsole.java:110)
        at org.python.util.InteractiveConsole.interact(InteractiveConsole.java:90)
        at org.python.util.jython.run(jython.java:378)
        at org.python.util.jython.main(jython.java:137)
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/home/ricie/jython-standalone-2.7-b1.jar/Lib/subprocess.py", line 398, in <module>
  File "/home/ricie/jython-standalone-2.7-b1.jar/Lib/signal.py", line 101, in <module>
  File "/home/ricie/jython-standalone-2.7-b1.jar/Lib/signal.py", line 91, in _init_signals
  File "/home/ricie/jython-standalone-2.7-b1.jar/Lib/signal.py", line 91, in _init_signals
        at sun.misc.Signal.<init>(Signal.java:145)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:56)
        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:39)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:527)
        at org.python.core.PyReflectedConstructor.constructProxy(PyReflectedConstructor.java:210)

java.lang.RuntimeException: java.lang.RuntimeException: java.lang.IllegalArgumentException: Unknown signal: INFO
>>> quit()
$ java -version
java version "1.6.0"
Java(TM) SE Runtime Environment (build pxa6460sr9fp2-20110625_01(SR9 FP2))
IBM J9 VM (build 2.4, JRE 1.6.0 IBM J9 2.4 Linux amd64-64 jvmxa6460sr9-20110624_85526 (JIT enabled, AOT enabled)
J9VM - 20110624_085526
JIT  - r9_20101028_17488ifx17
GC   - 20101027_AA)
JCL  - 20110530_01