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Re: [swtbot-dev] NoClassDefFoundError for a class in runtime plugin dependency

Could you please share the stack trace and the complete unit test that causes thus issue?

- Ketan
studios.thoughtworks.com | eclipse.org/swtbot | @ketanpkr

On Feb 24, 2011 7:37 AM, "Jordi Fernandez" <jordi.fernandez@xxxxxxxxxxxxxxx> wrote:
> I'm developing a test with SWTBot that is throwing NoClassDefFoundError when
> trying to load a class that is present in a runtime plugin dependency.
>
> I'm using Eclipse 3.4.2. My workspace has several plugin projects for the
> product under development plus the SWTBot test plugin. Initially I code a
> simple test which just clicked in a menu. It runs fine:
>
> ---------
> public void menuTest() throws Exception {
>
> bot.menu("A").menu("B").menu("C").click();
>
> }
> ----------
>
>
> Then I tried to access a custom developed widget using the following code:
>
>
> ----------------
>
> public void menuTest() throws Exception {
> SWTBotPreferences.TIMEOUT = 10000;
> bot.menu("Aplicacion").menu("Comercial").menu("PosiciĆ³n
> Global").click();
> System.out.println("Hola");
>
> Matcher matcher = allOf(
> widgetOfType(ComboSearchSelector.class)
> );
>
> ComboSearchSelector combo = (ComboSearchSelector) bot.widget(matcher);
> assertTrue(combo.getItemCount() > 0);
> }
>
> --------------------
>
> This second test fails with a NoClassDefFoundError for the
> ComboSearchSelector class. This class is in one of the plugin projects of my
> workspace and is included as a plugin to load in the run configuration (as
> it is a required plugin for the product under development) . In order to
> compile my test, I added this plugin project as a project dependency in the
> java build path.
>
> How come I'm getting a NoClassDefFoundError at runtime when the referenced
> class is loaded (because the plug-in that holds it is present at runtime)?
>
> Thanks in advance.

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