[Jython-bugs] [issue1676] NPE in defaultdict

[Tal <re...@bu...>]

New submission from Tal <tal...@th...>:

Easy to reproduce:


>>> from collections import defaultdict
>>> x=defaultdict()
>>> x.pop(None,None)
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
java.lang.NullPointerException
	at org.python.core.PyDictionary.dict_pop(PyDictionary.java:602)
	at org.python.core.PyDictionary$dict_pop_exposer.__call__(Unknown Source)
	at org.python.core.PyObject.__call__(PyObject.java:408)
	at org.python.pycode._pyx20.f$0(<stdin>:1)
	at org.python.pycode._pyx20.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:1253)
	at org.python.core.Py.exec(Py.java:1297)
	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:320)
	at org.python.util.jython.main(jython.java:129)


Note: this bugs seems to have been introduced sometime after 2.5.2 beta.

----------
components: Library
messages: 6235
nosy: emblemparade
severity: normal
status: open
title: NPE in defaultdict
type: crash

_______________________________________
Jython tracker <re...@bu...>
<http://bugs.jython.org/issue1676>
_______________________________________