if(projectClassPaths == null) { projectClassPaths = ""; }
	public synchronized static void start( String webappName, String pluginId,			IPath path ) throws CoreException	{		if ( !applicationsStarted )		{			// Set the classpath property (used in Java scripting)			String projectClassPaths = WorkspaceClasspathManager.getClassPath( );			System.setProperty( WORKSPACE_CLASSPATH_KEY, projectClassPaths );			IPath webappPath = getWebappPath( pluginId, path );			// we get the server before constructing the class loader, so			// class loader exposed by the server is available to the webapps.			IWebappServer server = AppServerWrapper.getInstance( )					.getAppServer( );			server.start( webappName, webappPath, new PluginClassLoaderWrapper(					pluginId ) );			applicationsStarted = true;		}	}