Re: NoClassDefFoundError when initializing Web Services
Re: NoClassDefFoundError when initializing Web Services
- Subject: Re: NoClassDefFoundError when initializing Web Services
- From: Goetz Neumann <email@hidden>
- Date: Fri, 20 Apr 2012 12:20:45 +0200
- Authentication-results: symauth.service.identifier
Yes, and the strange thing is, I can even do something like this:
import com.webobjects.appserver.WOApplication;
import com.webobjects.appserver.WOWebServiceRegistrar;
import com.webobjects.webservices.support._private.WOWSSupport;
public Application() {
NSLog.out.appendln("Welcome to " + name() + " !");
/* ** put your initialization code in here ** */
new WOWSSupport();
WOWebServiceRegistrar.registerWebService(com.dd.wstest.WS.class, false);
}
and it doesn't throw at the "new WOWSSupport()" but only when trying to load "WOWSSupport$Delegate"
Am 20.04.2012 um 11:59 schrieb Stefan Klein:
> Hi,
>
> are JavaWebServicesGeneration.framework and JavaWebServicesSupport.framework in your java build path.
>
> Stefan
>
> Am 20.04.12 11:32, schrieb Goetz Neumann:
>> Hi Stefan,
>>
>> Thanks for the response. It is a regular WebObjects Application but you can select on the New WebObjects Project Wizard on the "Add WebServices support" Screen which is the 6th screen for me. If I remove the line
>>
>> "WOWebServiceRegistrar.registerWebService(com.dd.wstest.WS.class, false);"
>>
>> I get a perfectly working Webobjects-App.
>>
>> cheers
>>
>> goetz
>>
>>
>> Am 20.04.2012 um 09:58 schrieb Stefan Klein:
>>
>>> Hi Goetz,
>>>
>>> "Server Web Services" is not a WO Template. Even if you want to create a "stand alone" Web Service Application you had to create a "WebObjects Application" or "Wonder Application". Otherwise the needed the frameworks and build files were not integrated.
>>>
>>> Stefan
>>>
>>> Am 20.04.12 09:36, schrieb Goetz Neumann:
>>>> Hi List,
>>>>
>>>> I am getting this weird exception when I am trying to initialize a WebService. I set up test project in Eclipse where I selected "Server Web Services" in the wizard.
>>>>
>>>> This is my my code in the Application constructor:
>>>>
>>>> public Application() {
>>>> NSLog.out.appendln("Welcome to " + name() + " !");
>>>> /* ** put your initialization code in here ** */
>>>> WOWebServiceRegistrar.registerWebService(com.dd.wstest.WS.class, false);
>>>> }
>>>>
>>>> And this is the exception I get:
>>>>
>>>> [2012-4-20 9:22:14 MESZ]<main> A fatal exception occurred: com/webobjects/webservices/support/_private/WOWSSupport$Delegate
>>>> [2012-4-20 9:22:14 MESZ]<main> java.lang.NoClassDefFoundError: com/webobjects/webservices/support/_private/WOWSSupport$Delegate
>>>> at java.lang.ClassLoader.defineClass1(Native Method)
>>>> at java.lang.ClassLoader.defineClassCond(ClassLoader.java:631)
>>>> at java.lang.ClassLoader.defineClass(ClassLoader.java:615)
>>>> at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:141)
>>>> at java.net.URLClassLoader.defineClass(URLClassLoader.java:283)
>>>> at java.net.URLClassLoader.access$000(URLClassLoader.java:58)
>>>> at java.net.URLClassLoader$1.run(URLClassLoader.java:197)
>>>> at java.security.AccessController.doPrivileged(Native Method)
>>>> at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
>>>> at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
>>>> at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
>>>> at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
>>>> at com.webobjects.appserver.WOWebServiceRegistrar.registerWebService(WOWebServiceRegistrar.java:46)
>>>> at com.dd.wstest.Application.<init>(Application.java:18)
>>>> at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
>>>> at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
>>>> at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
>>>> at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
>>>> at java.lang.Class.newInstance0(Class.java:355)
>>>> at java.lang.Class.newInstance(Class.java:308)
>>>> at com.webobjects.appserver.WOApplication.main(WOApplication.java:547)
>>>> at com.dd.wstest.Application.main(Application.java:12)
>>>> Caused by: java.lang.ClassNotFoundException: com.webobjects.webservices.support._private.WOWSSupport$Delegate
>>>> at java.net.URLClassLoader$1.run(URLClassLoader.java:202)
>>>> at java.security.AccessController.doPrivileged(Native Method)
>>>> at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
>>>> at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
>>>> at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
>>>> at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
>>>>
>>>>
>>>> Typically I see these kind of errors if there is a mixup of JavaVersions. Compiler compliance level in Java Compiler settings is at 1.6 and I am on Lion. What am I doing wrong?
>>>>
>>>> Do you have any ideas?
>>>>
>>>> Thanks in advance.
>>>>
>>>>
>>>> Goetz
>>>>
>>>>
>>>>
>>>>
>>>>
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