SOLVED: Re: NoClassDefFoundError when initializing Web Services
SOLVED: Re: NoClassDefFoundError when initializing Web Services
- Subject: SOLVED: Re: NoClassDefFoundError when initializing Web Services
- From: Goetz Neumann <email@hidden>
- Date: Sat, 21 Apr 2012 11:34:16 +0200
Just for reference: For what every reason I had a 5.3 Version of the JavaWebServicesSupport.framework in my Library/Frameworks folder that has no WOWSSupport.Delegate, hence the exception. Java was right and I was wrong.
Am 20.04.2012 um 12:20 schrieb Goetz Neumann:
> 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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>
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