Ohh, I almost forgot... your SessionBean has to implement your GWT RemoteService interface (not the Async one!) ofcourse..
On 8 jan, 19:19, Fushion <[email protected]> wrote: > Assuming a setup with Eclipse, I did the following: > > * Create file /src/jndi.properties: > ============================ > java.naming.factory.initial=org.jnp.interfaces.NamingContextFactory > java.naming.factory.url.pkgs=org.jboss.naming:org.jnp.interfaces > java.naming.provider.url=<dns.or.ip.of.j2ee.server> > ============================ > > * Create file /war/WEB-INF/jetty-web.xml: > ============================ > <?xml version="1.0" encoding="UTF-8"?> > > <!DOCTYPE Configure PUBLIC "-//Mort Bay Consulting//DTD Configure//EN" > "http://jetty.mortbay.org/configure.dtd";> > > <Configure class="org.mortbay.jetty.webapp.WebAppContext"> > <Set name="systemClasses"> > <Array type="java.lang.String"> > <Item>java.</Item> > <Item>javax.servlet.</Item> > <Item>javax.xml.</Item> > <Item>org.mortbay.</Item> > <Item>org.xml.</Item> > <Item>org.w3c.</Item> > <Item>org.apache.commons.logging.</Item> > <Item>org.apache.log4j.</Item> > <Item>org.slf4j.</Item> > </Array> > </Set> > > <Set name="serverClasses"> > <Array type="java.lang.String"> > <Item>org.mortbay.jetty.</Item> > <Item>org.mortbay.start.</Item> > <Item>org.mortbay.stop.</Item> > </Array> > </Set> > </Configure> > ============================ > > Create a servlet which will forward all requests to a SessionBean on > the JBoss Server: > ============================ > public class RemoteEJBProxyServlet extends RemoteServiceServlet { > > protected InitialContext ctx; > > @Override > public void init() throws ServletException { > > super.init(); > > try { > this.ctx = new InitialContext(); > } catch (Exception e) { > System.err.println(e.getMessage()); > throw new ServletException("Could not create > InitialContext", e); > } > } > > @Override > public String processCall(String payload) throws > SerializationException { > try { > // Get the session bean > Object bean = ctx.lookup("<The JNDI name of your > SessionBean>"); > > // Decode the request and test if it is legal > RPCRequest rpcRequest = RPC.decodeRequest(payload, > bean.getClass(), > this); > > // Invoke the requested method on the bean and return > the encoded > (=RPC serialized) result > return invokeAndEncodeResponse(bean, rpcRequest, > rpcRequest.getSerializationPolicy()); > > } catch (NamingException ex) { > ex.printStackTrace(); > return RPC.encodeResponseForFailure(null, new > Exception > (ex.getMessage())); > > } catch (IncompatibleRemoteServiceException ex) { > ex.printStackTrace(); > return RPC.encodeResponseForFailure(null, ex); > } > > } > > private String invokeAndEncodeResponse(Object target, RPCRequest > rpcRequest, SerializationPolicy serializationPolicy) throws > SerializationException { > > String responsePayload; > > Method method = rpcRequest.getMethod(); > Object[] args = rpcRequest.getParameters(); > > try { > Object result = method.invoke(target, args); > responsePayload = > RPC.encodeResponseForSuccess(method, result, > serializationPolicy); > } catch (IllegalAccessException e) { > throw new SecurityException(e); > } catch (IllegalArgumentException e) { > throw new SecurityException(e); > } catch (InvocationTargetException e) { > Throwable cause = e.getCause(); > responsePayload = > RPC.encodeResponseForFailure(method, cause, > serializationPolicy); > } > > return responsePayload; > } > > } > > ============================ > > Also make sure that the J2EE Server libraries are included in the > Eclipse Run Configuration of your GWT Development Mode. > These are needed by Jetty to connect to the J2EE Server. > In the case of JBOSS these are all of the JAR files in "<JBOSS-DIR>/ > client" and "<JBOSS-DIR>/common/lib". > > Greetz, > > Menno. > > On 7 jan, 17:31, mariyan nenchev <[email protected]> wrote: > > > > > Could you give us small step by step guide how to make gwt 2.0 development > > mode working with gwt RPC and JBoss ejb beans? I never got it to work. > > On Thu, Jan 7, 2010 at 5:47 PM, Fushion <[email protected]>wrote: > > > > Well, I started about 2 years ago, just a few hours a month trying out > > > various GWT things and gradually upgrading to newer GWT versions (1.3 > > > - 1.4 - 1.5 - 1.6 - 1.7 - 2.0). > > > > Upgrading was always easy as I found out. The only hard part was > > > getting Jetty to communicate with my JBoss application server in > > > developmode, but that seems to work just fine now. > > > Debugging is a lot easier now that OOPHM is implemented in 2.0. I > > > would REALLY encourage people to start using it as it makes developing/ > > > debugging in various browser simulatious a no brainer and saves a lot > > > of time! I only have to start the development-mode once a day and > > > start 4 browsers to connect to it. > > > > Most time is spend on CSS styling, as that is still the main problem > > > when developing for web browsers today. > > > The page is still in quirks mode (transitional html) as I found out > > > that it gives me the most consistent UI on all browsers I tested on > > > (IE6, IE7, IE8, Firefox, Chrome and Safari). > > > One of the future improvements will be to set the page in standards > > > mode (html or xhtml), but my first impression on that is that IE7 is > > > very buggy in that area, especially when trying to do a centered > > > layout. I hope MS will give IE7 a firm kick out of the browser > > > world... ;-) > > > > The game still uses a lot of pre 2.0 options, but this will be > > > upgraded over the next weeks (e.g. *LayoutPanels, more UiBinding and > > > ClientResource integration ). > > > > The GWT things that you are able to see in the game include: > > > - GlassPanels (in various ways) > > > - Timers > > > - RunAsync > > > - Popups > > > - History management > > > - GWT RPC (no deRPC yet...) > > > - Paging tables > > > - ImageBundles (still pre 2.0) > > > - MenuBar > > > > If I had all the tools and ideas I used in the game at the beginning > > > of development, I estimate that it would have taken me 2-3 months full > > > time to develop it (client AND server code, don't underestimate your > > > server coding....) > > > > Menno. > > > > On 7 jan, 11:28, mariyan nenchev <[email protected]> wrote: > > > > Nice. > > > > How much time the game took to be designed and developed? > > > > > On Thu, Jan 7, 2010 at 3:40 AM, Fushion <[email protected] > > > >wrote: > > > > > > I started playing around with GWT since version 1.3 just fooling > > > > > around with the code and trying out some various things. > > > > > One thing I did was starting to develop a browser game, so I could see > > > > > how things worked out in a real application instead of just mocking up > > > > > some fancy gadgets. > > > > > > Well, one thing led to another and now it is starting to look like an > > > > > actual application. > > > > > You can find it onhttp://lacesfirst.com > > > > > > It is an online football manager game where you can manage a football > > > > > team. > > > > > You can train players, hire employees, change formations and tactics, > > > > > sell/buy players, change the lineup of your team, upgrade your > > > > > stadium/ > > > > > shops etc. > > > > > The games are simulated every day at specified times and take into > > > > > account the tactics and linup of your team (and the opponents' team). > > > > > The teams and players are all fictional and randomly generated, as > > > > > there is no way I want to get into licencing troubles with the NFL > > > > > ofcourse. > > > > > > One thing to notice is that the entire game (client and server code) > > > > > is made of 100% Java (Using EJB3on server side). > > > > > This made it possible to have just one servlet containing about 40 > > > > > lines of code that just calls a SessionBean on the EJB server. > > > > > Also the code of the data model is used in both client and server > > > > > side, so no extra DTO objects were needed. > > > > > All this makes the code very slim and manageble. > > > > > It is not exactly a UI that you would find in a typical GWT > > > > > application though... > > > > > > The game is still in beta as there are many things that can be made > > > > > better, but it is playable anyway. > > > > > Have fun! > > > > > > Greetz, > > > > > > Menno. > > > > > > -- > > > > > You received this message because you are subscribed to the Google > > > Groups > > > > > "Google Web Toolkit" group. > > > > > To post to this group, send email to > > > [email protected]. > > > > > To unsubscribe from this group, send email to > > > > > [email protected]<google-web-toolkit%2Bunsubs > > > > > [email protected]><google-web-toolkit%2Bunsubs > > > [email protected]> > > > > > . > > > > > For more options, visit this group at > > > > >http://groups.google.com/group/google-web-toolkit?hl=en. > > > > -- > > > You received this message because you are subscribed to the Google Groups > > > "Google Web Toolkit" group. > > > To post to this group, send email to [email protected]. > > > To unsubscribe from this group, send email to > > > [email protected]<google-web-toolkit%2Bunsubs > > > [email protected]> > > > . > > > For more options, visit this group at > > >http://groups.google.com/group/google-web-toolkit?hl=en.
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