On 08/10/2010 08:34 PM, Lothar Werzinger wrote:
> On Tuesday, August 10, 2010, Andrew Haley wrote:
>> On 08/10/2010 08:08 PM, Lothar Werzinger wrote:
>>> On Tuesday, August 10, 2010, Andrew Haley wrote:
>>>> On 08/10/2010 05:51 PM, Lothar Werzinger wrote:
>>>>> I would expect a NoClassDefFoundError for the jython script engine
>>>>> itself, as I did not provide it on the classpath, but
>>>>> ScriptEngineManager is in the shared library compiled from the jar, so
>>>>> why do I get a NoClassDefFoundError?
>>>>
>>>> You need to compile your main program -fPIC.
>>>
>>> Hmm, OK I forgot that, too. Have it in my app, though.
>>>
>>>> If you really want to know why, I can explain... :-)
>>>>
>>>> Andrew.
>>>
>>> As my app needs the "Bindings" Class from JSR 223 and the downloaded jar
>>> did for some reason not contain it I tried extracting javax/scripting
>>> from a JDK1.6 rt.jar
>>>
>>> Now the ominous NoClassDefFoundError is back. Any ideas?
>>>
>>> $ ./build.sh
>>> testgcj
>>> Create JavaVM ...
>>> Create JavaVM done.
>>> Java Exception:
>>> java.lang.NoClassDefFoundError: javax.script.ScriptEngineManager
>>
>> I don't know what is causing this. I'll debug it tomorrow.
>
> Thanks, I appreciate that very much!
I'm not seeing any problem with javax.script.ScriptEngineManager.
Well, I was, but I had duplicate copies of that class.
You really do need PrintStackTrace().
I now see:
java.lang.NoClassDefFoundError: com.sun.script.javascript.RhinoScriptEngineFactory
at java.lang.Class.initializeClass(natClass.cc:730)
at java.lang.Class.forName(natClass.cc:111)
at java.lang.Class.forName(Class.java:133)
at javax.script.ScriptEngineManager.addSpi(ScriptEngineManager.java:320)
at javax.script.ScriptEngineManager.<init>(ScriptEngineManager.java:70)
Caused by: java.lang.ClassNotFoundException: org.mozilla.javascript.Context not found in gnu.gcj.runtime.SystemClassLoader{urls=[file:./], parent=gnu.gcj.runtime.ExtensionClassLoader{urls=[], parent=null}}
at java.net.URLClassLoader.findClass(URLClassLoader.java:531)
at java.lang.ClassLoader.loadClass(ClassLoader.java:452)
at java.lang.ClassLoader.loadClass(ClassLoader.java:387)
at java.lang.Class.initializeClass(natClass.cc:720)
...4 more
Andrew.
Attachment:
build.sh
Description: Bourne shell script
