[Jython-users] Jython 2.1, applets and HTTPS: java.lang.ClassFormatError??

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Hi all,

I've got a problem with a jython applet which shall be loaded via
HTTPS. HTTP without the S works, no problem at all.

The applet is frozen with jythonc -d Haupt.py and then all needed jar fil=
es get
extracted to the jpywork directory. Afterwards the jpywork directory is j=
arred
into the applet.jar file. This file then goes to the server.

If I try to load the applet via am HTTPS server (CPython-driven slightly
modified m2crypto SSLServer or stunnel before the same server without SSL=
), I
get errors I do not understand. Somebody an idea?
The applet runs in Mozilla with the Sun java 1.3.1_01 plugin.

Traceback from plugin log window ("wird ge=F6ffnet" means opening):

Determine if the applet requests to install any JAR
Jar cache option: null
Jar archive(s): null
Jar cache version(s): null
Applet Installation finished.
Wird ge=F6ffnethttps://sojus:7743/applet.jar
Connecting https://sojus:7743/applet.jar
Wird ge=F6ffnethttps://sojus:7743/null
Connecting https://sojus:7743/null
Wird ge=F6ffnethttps://sojus:7743/venus/sys.class
Connecting https://sojus:7743/venus/sys.class
Java Traceback:

	at org.python.core.Py.JavaError(Py.java)
	at org.python.core.Py.findClassEx(Py.java)
	at org.python.core.SysPackageManager.findClass(SysPackageManager.java)
	at org.python.core.PackageManager.findClass(PackageManager.java)
	at org.python.core.SysPackageManager.findClass(SysPackageManager.java)
	at org.python.core.PyJavaPackage.__findattr__(PyJavaPackage.java)
	at org.python.core.PackageManager.lookupName(PackageManager.java)
	at org.python.core.PyModule.impAttr(PyModule.java)
	at org.python.core.imp.import_next(imp.java)
	at org.python.core.imp.import_name(imp.java)
	at org.python.core.imp.importName(imp.java)
	at org.python.core.ImportFunction.load(__builtin__.java)
	at org.python.core.ImportFunction.__call__(__builtin__.java)
	at org.python.core.PyObject.__call__(PyObject.java)
	at org.python.core.__builtin__.__import__(__builtin__.java)
	at org.python.core.imp.importOne(imp.java)
	at venus.master$_PyInner.main$53(master.java:1233)
	at venus.master$_PyInner.call_function(master.java:453)
	at org.python.core.PyTableCode.call(PyTableCode.java)
	at org.python.core.PyCode.call(PyCode.java)
	at org.python.core.imp.createFromCode(imp.java)
	at org.python.core.imp.createFromClass(imp.java)
	at org.python.core.imp.loadPrecompiled(imp.java)
	at org.python.core.imp.loadFromPath(imp.java)
	at org.python.core.PyModule.impAttr(PyModule.java)
	at org.python.core.imp.import_next(imp.java)
	at org.python.core.imp.import_logic(imp.java)
	at org.python.core.imp.import_name(imp.java)
	at org.python.core.imp.importName(imp.java)
	at org.python.core.ImportFunction.load(__builtin__.java)
	at org.python.core.ImportFunction.__call__(__builtin__.java)
	at org.python.core.PyObject.__call__(PyObject.java)
	at org.python.core.__builtin__.__import__(__builtin__.java)
	at org.python.core.imp.importOne(imp.java)
	at getPass$_PyInner.main$7(getPass.java:266)
	at getPass$_PyInner.call_function(getPass.java:93)
	at org.python.core.PyTableCode.call(PyTableCode.java)
	at org.python.core.PyCode.call(PyCode.java)
	at org.python.core.imp.createFromCode(imp.java)
	at org.python.core.imp.createFromClass(imp.java)
	at org.python.core.imp.loadPrecompiled(imp.java)
	at org.python.core.imp.loadFromPath(imp.java)
	at org.python.core.imp.loadFromPath(imp.java)
	at org.python.core.imp.load(imp.java)
	at org.python.core.imp.import_next(imp.java)
	at org.python.core.imp.import_name(imp.java)
	at org.python.core.imp.importName(imp.java)
	at org.python.core.ImportFunction.load(__builtin__.java)
	at org.python.core.ImportFunction.__call__(__builtin__.java)
	at org.python.core.PyObject.__call__(PyObject.java)
	at org.python.core.__builtin__.__import__(__builtin__.java)
	at org.python.core.imp.importOne(imp.java)
	at Haupt$_PyInner.main$3(Haupt.java:79)
	at Haupt$_PyInner.call_function(Haupt.java:45)
	at org.python.core.PyTableCode.call(PyTableCode.java)
	at org.python.core.PyCode.call(PyCode.java)
	at org.python.core.imp.createFromCode(imp.java)
	at org.python.core.Py.initProxy(Py.java)
	at Haupt.__initProxy__(Haupt.java:225)
	at Haupt.<init>(Haupt.java:203)
	at java.lang.Class.newInstance0(Native Method)
	at java.lang.Class.newInstance(Class.java:237)
	at sun.applet.AppletPanel.createApplet(AppletPanel.java:579)
	at sun.plugin.AppletViewer.createApplet(AppletViewer.java:1178)
	at sun.applet.AppletPanel.runLoader(AppletPanel.java:515)
	at sun.applet.AppletPanel.run(AppletPanel.java:293)
	at
sun.plugin.navig.motif.MotifAppletViewer.maf_run(MotifAppletViewer.java:1=
27)
	at
sun.plugin.navig.motif.MotifAppletViewer.run(MotifAppletViewer.java:123)
	at java.lang.Thread.run(Thread.java:484)
Traceback (innermost last):
  File "/home/ian/venus/200gui/gui/Haupt.py", line 0, in main
  File "/home/ian/venus/200gui/gui/getPass.py", line 0, in main
  File "/home/ian/venus/200gui/gui/venus/master.py", line 0, in main
java.lang.ClassFormatError: venus/sys (Bad magic number)
	at java.lang.ClassLoader.defineClass0(Native Method)
	at java.lang.ClassLoader.defineClass(ClassLoader.java:486)
	at
java.security.SecureClassLoader.defineClass(SecureClassLoader.java:111)
	at sun.applet.AppletClassLoader.findClass(AppletClassLoader.java:142)
	at
sun.plugin.security.PluginClassLoader.findClass(PluginClassLoader.java:25=
2)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:297)
	at sun.applet.AppletClassLoader.loadClass(AppletClassLoader.java:108)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:253)
	at org.python.core.Py.findClassEx(Py.java)
	at org.python.core.SysPackageManager.findClass(SysPackageManager.java)
	at org.python.core.PackageManager.findClass(PackageManager.java)
	at org.python.core.SysPackageManager.findClass(SysPackageManager.java)
	at org.python.core.PyJavaPackage.__findattr__(PyJavaPackage.java)
	at org.python.core.PackageManager.lookupName(PackageManager.java)
	at org.python.core.PyModule.impAttr(PyModule.java)
	at org.python.core.imp.import_next(imp.java)
	at org.python.core.imp.import_name(imp.java)
	at org.python.core.imp.importName(imp.java)
	at org.python.core.ImportFunction.load(__builtin__.java)
	at org.python.core.ImportFunction.__call__(__builtin__.java)
	at org.python.core.PyObject.__call__(PyObject.java)
	at org.python.core.__builtin__.__import__(__builtin__.java)
	at org.python.core.imp.importOne(imp.java)
	at venus.master$_PyInner.main$53(master.java:1233)
	at venus.master$_PyInner.call_function(master.java:453)
	at org.python.core.PyTableCode.call(PyTableCode.java)
	at org.python.core.PyCode.call(PyCode.java)
	at org.python.core.imp.createFromCode(imp.java)
	at org.python.core.imp.createFromClass(imp.java)
	at org.python.core.imp.loadPrecompiled(imp.java)
	at org.python.core.imp.loadFromPath(imp.java)
	at org.python.core.PyModule.impAttr(PyModule.java)
	at org.python.core.imp.import_next(imp.java)
	at org.python.core.imp.import_logic(imp.java)
	at org.python.core.imp.import_name(imp.java)
	at org.python.core.imp.importName(imp.java)
	at org.python.core.ImportFunction.load(__builtin__.java)
	at org.python.core.ImportFunction.__call__(__builtin__.java)
	at org.python.core.PyObject.__call__(PyObject.java)
	at org.python.core.__builtin__.__import__(__builtin__.java)
	at org.python.core.imp.importOne(imp.java)
	at getPass$_PyInner.main$7(getPass.java:266)
	at getPass$_PyInner.call_function(getPass.java:93)
	at org.python.core.PyTableCode.call(PyTableCode.java)
	at org.python.core.PyCode.call(PyCode.java)
	at org.python.core.imp.createFromCode(imp.java)
	at org.python.core.imp.createFromClass(imp.java)
	at org.python.core.imp.loadPrecompiled(imp.java)
	at org.python.core.imp.loadFromPath(imp.java)
	at org.python.core.imp.loadFromPath(imp.java)
	at org.python.core.imp.load(imp.java)
	at org.python.core.imp.import_next(imp.java)
	at org.python.core.imp.import_name(imp.java)
	at org.python.core.imp.importName(imp.java)
	at org.python.core.ImportFunction.load(__builtin__.java)
	at org.python.core.ImportFunction.__call__(__builtin__.java)
	at org.python.core.PyObject.__call__(PyObject.java)
	at org.python.core.__builtin__.__import__(__builtin__.java)
	at org.python.core.imp.importOne(imp.java)
	at Haupt$_PyInner.main$3(Haupt.java:79)
	at Haupt$_PyInner.call_function(Haupt.java:45)
	at org.python.core.PyTableCode.call(PyTableCode.java)
	at org.python.core.PyCode.call(PyCode.java)
	at org.python.core.imp.createFromCode(imp.java)
	at org.python.core.Py.initProxy(Py.java)
	at Haupt.__initProxy__(Haupt.java:225)
	at Haupt.<init>(Haupt.java:203)
	at java.lang.Class.newInstance0(Native Method)
	at java.lang.Class.newInstance(Class.java:237)
	at sun.applet.AppletPanel.createApplet(AppletPanel.java:579)
	at sun.plugin.AppletViewer.createApplet(AppletViewer.java:1178)
	at sun.applet.AppletPanel.runLoader(AppletPanel.java:515)
	at sun.applet.AppletPanel.run(AppletPanel.java:293)
	at
sun.plugin.navig.motif.MotifAppletViewer.maf_run(MotifAppletViewer.java:1=
27)
	at
sun.plugin.navig.motif.MotifAppletViewer.run(MotifAppletViewer.java:123)
	at java.lang.Thread.run(Thread.java:484)

java.lang.ClassFormatError: java.lang.ClassFormatError: venus/sys (Bad ma=
gic
number)

Thanks reading so far and for any help,
Cheerio,
--=20
J.W...@sc...  -  Fon +4970719457-257 Fax-211
science+computing ag - Hagellocher Weg 71-75 - 72070 T=FCbingen
The nice thing about standards is that there are so many of them to choos=
e
from.                                                     (Andy Tanenbaum=
)