OpenRDF Sail w/ Commit Manager Error

gistfile1.txt

$ jython load2.py
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Current number of operations counted 53
Number of commits that have occured 5

Closing commit manager...

Current number of operations counted 53
Number of commits that have occured 5

Shutting down sail...
Aug 31, 2011 6:19:34 AM org.openrdf.sail.helpers.SailBase shutDown
WARNING: Closing active connection due to shut down, connection was acquired in
java.lang.Throwable
	at org.openrdf.sail.helpers.SailBase.getConnection(SailBase.java:244)
	at org.openrdf.sail.helpers.NotifyingSailBase.getConnection(NotifyingSailBase.java:45)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:616)
	at org.python.core.PyReflectedFunction.__call__(PyReflectedFunction.java:186)
	at org.python.core.PyReflectedFunction.__call__(PyReflectedFunction.java:204)
	at org.python.core.PyObject.__call__(PyObject.java:387)
	at org.python.core.PyObject.__call__(PyObject.java:391)
	at org.python.core.PyMethod.__call__(PyMethod.java:109)
	at org.python.pycode._pyx2.f$0(load2.py:78)
	at org.python.pycode._pyx2.call_function(load2.py)
	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:1261)
	at org.python.util.PythonInterpreter.execfile(PythonInterpreter.java:235)
	at org.python.util.jython.run(jython.java:247)
	at org.python.util.jython.main(jython.java:129)
Aug 31, 2011 6:19:34 AM org.openrdf.sail.helpers.SailConnectionBase close
WARNING: Rolling back transaction due to connection close
java.lang.Throwable
	at org.openrdf.sail.helpers.SailConnectionBase.close(SailConnectionBase.java:178)
	at org.openrdf.sail.helpers.SailBase.shutDown(SailBase.java:207)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:616)
	at org.python.core.PyReflectedFunction.__call__(PyReflectedFunction.java:186)
	at org.python.core.PyReflectedFunction.__call__(PyReflectedFunction.java:204)
	at org.python.core.PyObject.__call__(PyObject.java:387)
	at org.python.core.PyObject.__call__(PyObject.java:391)
	at org.python.core.PyMethod.__call__(PyMethod.java:109)
	at org.python.pycode._pyx2.f$0(load2.py:78)
	at org.python.pycode._pyx2.call_function(load2.py)
	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:1261)
	at org.python.util.PythonInterpreter.execfile(PythonInterpreter.java:235)
	at org.python.util.jython.run(jython.java:247)
	at org.python.util.jython.main(jython.java:129)