From: <no...@so...> - 2001-01-12 11:23:07
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Bug #128540, was updated on 2001-Jan-12 03:23 Here is a current snapshot of the bug. Project: Jython Category: Core Status: Open Resolution: None Bug Group: None Priority: 5 Submitted by: nobody Assigned to : nobody Summary: Importing java classes, constructing java classes Details: In my app I don't use CLASSPATH much 'cause it gonna be somewhat big (about 50 jars) Instead of this I use wildcard as argument to my app-launcher, which parses wildcard and finds every jar i need (builds net of ClassLoaders etc.) and Class.forName("anyClass"); works just fine in any piece of app. Jython package manager(SysPackageManager.java) uses "java.class.path" property alot when huntin' for jars. In my app-launcher expand-java.class.path code was added someth' like that String currPath = System.getProperty("java.class.path"); String separator = ";"; currPath += separator + "myPackage.jar"; System.setProperty("java.class.path", currPath); After that modification alot of *sys-package-mgr*: processing new(modified) jar, 'X:\a\b\c.jar' was shown at the Jython initialization /Py.initPython();/ assuming everithing Ok. BUT! "from a.b.c.d import myClass" - ImportError: cannot import name myClass "from a.b.c.d import *" - Ok "dir()" - names of classes with myClass among... Hm????? "d = new myClass()" - java.lang.NullPointerException at java.lang.Class.isAssignableFrom(Native Method) at org.python.core.PyJavaClass.init__class__(PyJavaClass.java:143) at org.python.core.PyJavaClass.init(PyJavaClass.java:214) at org.python.core.PyJavaClass.initLazy(PyJavaClass.java:78) at org.python.core.PyJavaClass.initialize(PyJavaClass.java:94) at org.python.core.PyJavaClass.initConstructors(PyJavaClass.java:629) at org.python.core.PyJavaClass.__call__(PyJavaClass.java:781) at org.python.core.PyObject.__call__(PyObject.java:260) at org.python.pycode._pyx4.f$0(<console>) at org.python.pycode._pyx4.call_function(<console>) at org.python.core.PyTableCode.call(PyTableCode.java:155) at org.python.core.Py.runCode(Py.java:1050) at org.python.core.Py.exec(Py.java:1071) at org.python.util.PythonInterpreter.exec(PythonInterpreter.java:124) When I put jar containing myClass.class in CLASSPATH explicitly - everithing perfect. Try to put something like String currPath = System.getProperty("java.class.path"); String separator = ";"; currPath += separator + "myPackage.jar"; System.setProperty("java.class.path", currPath); at the beginning of org.python.util.jython and don't put myPackage.jar at CLASSPATH and HAVE FUN ;) an...@ib... For detailed info, follow this link: http://sourceforge.net/bugs/?func=detailbug&bug_id=128540&group_id=12867 |