That was it! I guess I should get into the habit of managing maven and then
"pushing" those changes out to eclipse with a mvn clean then a mvn eclipse.


Thanks,
Branden Tanga
Programmer / EHR Systems Engineer


On Wed, Apr 8, 2009 at 1:11 AM, Daan van Etten <[email protected]> wrote:

> Hi,
>
> Maven should handle your dependencies. Have you added the wicket extensions
> dependency to your pom.xml?
>
> Add this to the 'dependencies' tag of your pom.xml. The Wicket dependency
> should already be there.
>
>        <dependency>
>            <groupId>org.apache.wicket</groupId>
>            <artifactId>wicket-extensions</artifactId>
>            <version>1.3.5</version>
>        </dependency>
>
> Change the 'version' according to which version of Wicket you use.
>
> Eclipse should add Wicket extensions to your classpath when you have this
> dependency. (maybe with a mvn clean eclipse command)
>
>
> Regards,
>
> Daan van Etten
>
> Op 8 apr 2009, om 12:49 heeft Branden Tanga het volgende geschreven:
>
>
>  Ok, I've been racking my brain for the past few days, and I still cannot
>> solve this.
>> I've even added wicket-extensions.jar to my .m2/repository and rebuilt my
>> eclipse project with the mvn clean and mvn eclipse commands given in the
>> wicket quickstart. When I open up my eclipse project, under m2_repo I can
>> find my wicket-extensions.jar
>>
>> I still get a noclassdeffound runtime error for AbstractTab. It seems as
>> if
>> the classpath that eclipse uses for compiling has nothing to do with the
>> classpath that wicket uses at runtime. How can I print my classpath from
>> within wicket?
>>
>> (note: I've already added the directory that contains
>> wicket-extensions.jar
>> to my classpath variable in my .bash_profile, still the same runtime
>> error).
>>
>> Thanks,
>> Branden Tanga
>> Programmer / EHR Systems Engineer
>>
>>
>> On Mon, Apr 6, 2009 at 1:24 AM, [email protected] <
>> [email protected]> wrote:
>>
>>  Hi.
>>>
>>> Seems like you're missing a jar file. The
>>> "java.lang.NoClassDefFoundError"
>>> means just what it sais. The class can not be found in the classpath.
>>> It has nothing to do whether the class is abstract or not.
>>>
>>> /Jörgen
>>>
>>> Branden Tanga skrev:
>>>
>>> Hello all,
>>>
>>>> I'm trying to follow the examples given on wicketstuff.org for
>>>> TabbedPanel
>>>> here: http://tinyurl.com/cpzkas
>>>>
>>>> My code compiles fine, but when I run it I get a noclassdeffound error
>>>> for
>>>> AbstractTab. Here's my snippet of code:
>>>>
>>>> import org.apache.wicket.markup.html.WebPage;
>>>>
>>>> import org.apache.wicket.extensions.ajax.markup.html.tabs.*;
>>>>
>>>> import org.apache.wicket.extensions.markup.html.tabs.*;
>>>>
>>>> import org.apache.wicket.markup.html.panel.*;
>>>>
>>>> import org.apache.wicket.model.*;
>>>>
>>>> import java.util.*;
>>>>
>>>>
>>>> public class MainMenu extends WebPage{
>>>>
>>>> /*Constructor*/
>>>>
>>>> public MainMenu() {
>>>>
>>>> List<ITab> tabs = new ArrayList<ITab>();
>>>>
>>>> tabs.add(new AbstractTab(new Model("first tab")) {
>>>>
>>>> @Override
>>>>
>>>> public Panel getPanel(String panelID) {
>>>>
>>>> return new MyPanel(panelID);
>>>>
>>>> }
>>>>
>>>> });
>>>>
>>>> } // end constructor
>>>>
>>>> and here's the corresponding runtime error:
>>>>
>>>> WicketMessage: Method onFormSubmitted of interface
>>>> org.apache.wicket.markup.html.form.IFormSubmitListener targeted at
>>>> component [MarkupContainer [Component id = loginForm]] threw an
>>>> exception
>>>>
>>>> Root cause:
>>>>
>>>> java.lang.NoClassDefFoundError:
>>>> org/apache/wicket/extensions/markup/html/tabs/AbstractTab
>>>>   at java.lang.ClassLoader.defineClass1(Native Method)
>>>>   at java.lang.ClassLoader.defineClass(ClassLoader.java:675)........
>>>>
>>>> This makes sense, as you can't directly instantiate an abstract class
>>>> right?
>>>> You have to extend it and then implement the subclass. But I am
>>>> following
>>>> the code example as closely as I can, and I still do not understand what
>>>> I
>>>> am doing wrong.
>>>>
>>>>
>>>>
>>>> Thanks,
>>>> Branden Tanga
>>>> Programmer / EHR Systems Engineer
>>>>
>>>>
>>>>
>>>>
>>>
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