Hi Mark, yes i refreshed the page but no luck. Also googling could not find an aswer needed.
Later i changed from jdk 1.6 to jdk 1.5 then i got a different error as follows : SEVERE: Context initialization failed org.springframework.beans.factory.CannotLoadBeanClassException: Error loading class [org.gwtrpcspring.example.server.GreetingServiceImpl] for bean with name 'greetService' defined in ServletContext resource [/WEB-INF/applicationContext.xml]: problem with class file or dependent class; nested exception is java.lang.UnsupportedClassVersionError: Bad version number in .class file at org.springframework.beans.factory.support.AbstractBeanFactory.resolveBeanClass(AbstractBeanFactory.java:1144) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.predictBeanType(AbstractAutowireCapableBeanFactory.java:524) at org.springframework.beans.factory.support.AbstractBeanFactory.isFactoryBean(AbstractBeanFactory.java:1177) at org.springframework.beans.factory.support.AbstractBeanFactory.isFactoryBean(AbstractBeanFactory.java:758) at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:422) at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:728) at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:380) at org.springframework.web.context.ContextLoader.createWebApplicationContext(ContextLoader.java:255) at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:199) at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:45) at org.mortbay.jetty.handler.ContextHandler.startContext(ContextHandler.java:548) at org.mortbay.jetty.servlet.Context.startContext(Context.java:136) at org.mortbay.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1250) at org.mortbay.jetty.handler.ContextHandler.doStart(ContextHandler.java:517) at org.mortbay.jetty.webapp.WebAppContext.doStart(WebAppContext.java:467) at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50) at org.mortbay.jetty.handler.HandlerWrapper.doStart(HandlerWrapper.java:130) at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50) at org.mortbay.jetty.handler.HandlerWrapper.doStart(HandlerWrapper.java:130) at org.mortbay.jetty.Server.doStart(Server.java:224) at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50) at com.google.appengine.tools.development.JettyContainerService.startContainer(JettyContainerService.java:185) at com.google.appengine.tools.development.AbstractContainerService.startup(AbstractContainerService.java:146) at com.google.appengine.tools.development.DevAppServerImpl.start(DevAppServerImpl.java:222) at com.google.appengine.tools.development.gwt.AppEngineLauncher.start(AppEngineLauncher.java:86) at com.google.gwt.dev.DevMode.doStartUpServer(DevMode.java:424) at com.google.gwt.dev.DevModeBase.startUp(DevModeBase.java:1059) at com.google.gwt.dev.DevModeBase.run(DevModeBase.java:804) at com.google.gwt.dev.DevMode.main(DevMode.java:279) Caused by: java.lang.UnsupportedClassVersionError: Bad version number in .class file at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClass(ClassLoader.java:621) at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:124) at java.net.URLClassLoader.defineClass(URLClassLoader.java:260) at java.net.URLClassLoader.access$100(URLClassLoader.java:56) at java.net.URLClassLoader$1.run(URLClassLoader.java:195) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:188) at java.lang.ClassLoader.loadClass(ClassLoader.java:307) at com.google.appengine.tools.development.IsolatedAppClassLoader.loadClass(IsolatedAppClassLoader.java:151) at java.lang.ClassLoader.loadClass(ClassLoader.java:252) at org.springframework.util.ClassUtils.forName(ClassUtils.java:211) at org.springframework.beans.factory.support.AbstractBeanDefinition.resolveBeanClass(AbstractBeanDefinition.java:385) at org.springframework.beans.factory.support.AbstractBeanFactory.resolveBeanClass(AbstractBeanFactory.java:1138) ... 28 more On Wed, Sep 8, 2010 at 6:44 PM, markM <[email protected]> wrote: > When you got this error did you hit F5 (assuming you're using I.E.) to > refresh the browser? And did that help? Maybe try a project-clean? > Also, have you tried googling the error you got to see what it means? > > On Sep 8, 5:36 am, Deepak Singh <[email protected]> wrote: > > I also downloaded SimpleGwtRpcSpringExample an dimported this into my > > eclipse 3.5 with jdk 1.6 but i could not run it. > > I got the exception > > > > com.google.gwt.user.client.rpc.IncompatibleRemoteServiceException: This > > application is out of date, please click the refresh button on your > browser. > > ( Expecting version 5 from client, got 6. > > I also tried to configure them seperately into my project but got the > same > > error. > > > > Any one who has done this gwt-spring integration, can u pls help on that. > > > > My need is to call web services method from spring and the get the result > > back to client code. > > Any other solution to integrate them if anyone is using.On Fri, Sep 3, > 2010 at 7:30 PM, markM <[email protected]> wrote: > > > Sam/George, > > > > > Just started looking into this same thing about a month ago. My > > > experience was as follows. I found that the Spring documentation > > > references the GWT Server Library so it must be the official pathway > > > correct? I tried to use the inheritance methodology, one of three the > > > GWT Server Library supports, and got it working temporarily under > > > Jetty/GWT Eclipse plugin. For some reason it stopped working. Then I > > > read further in the GWT Server Library documentation and found that > > > the authors tell you simply not to use the GWT plugin's built in web- > > > server (Jetty). In other words you have to work with the -noserver > > > option in GWT in order to debug server side code because Jetty doesn't > > > support J2EE features that Spring uses that for instance Tomcat or > > > other web servers support. I had used -noserver previously and so > > > thought this not to be a big deal. However, with a fair amount of > > > effort I never got the project to run even in -noserver mode. My > > > experience with the GWT Server Library documentation and I believe > > > they even stated this in the documentation was that you're expected to > > > already understand Spring and this made it more difficult for me to > > > implmenet. Moving to -noserver mode also required me to muck with > > > eclipse setting files in order to make my GWT eclipse project also a > > > Web-Eclipse project. Probably with more time I would have been able > > > to figure it out but it wasn't clean having to muck with eclipse files > > > anyway and I was looking for the simplest methodology as I'm trying to > > > get folks within my company to understand the beauty of GWT and > > > roadblocks like this don't help. > > > > > Yesterday, after reading your post I downloaded the > > > SimpleGwtRpcSpringExample.zip file from the URL Sam mentioned > > > > >http://code.google.com/p/gwtrpc-spring/ > > > > > The self-containing Eclipse project worked out of the box! under > > > Jetty! I did have to move to JDK 1.6 and recompile to get rid of a > > > class versioning error. I notice that the bright folks who wrote this > > > component created their own dispatcher class so as to not have to use > > > Spring's dispatcher class. I'm assuming that this is the reason that > > > it worked under Jetty because their custom dispatcher doesn't rely on > > > the extra J2EE facilities that Spring's dispatcher does. There may be > > > downsides to this component but I haven't seen any yet. One thing I > > > read about the GWT Server Library is that if you use their inheritance > > > scheme to spring enable your server side rpc class it's faster because > > > it doesn't use reflection. However, if all you're doing is making > > > calls into the server based upon button clicks the vast majority of > > > your processing is going to likely go in in the server and so the > > > performance thing may be of little consequence. I don't see a pause > > > in the example greet server app when I click the button. If anyone > > > has used the gwtrpc-spring component extensively and knows more about > > > the downsides, if any, I'd love to hear about it. > > > > > On Sep 3, 3:12 am, Alek <[email protected]> wrote: > > > > Hi, > > > > > > We also use SL for our project. I configured this solution once and > > > > forgot about it. > > > > > > Respect > > > > > > On Aug 31, 11:24 pm, George Georgovassilis< > [email protected]> > > > wrote: > > > > > Hi Sam, > > > > > > > The SL [1] is a community maintained integration of Spring and GWT > > > > > mainly focused at exporting Spring managed beans as RPC services. > It > > > > > was launched four years ago and has reached through many releases a > > > > > high degree of maturity. The documentation is extensive, it's easy > to > > > > > use (though I'm biased) but it's been criticized for not using > maven. > > > > > > > [1]http://gwt-widget.sourceforge.net/ > > > > > > > On Aug 31, 5:31 pm, Sam <[email protected]> wrote: > > > > > > > > Note: this thread is about using Spring for your service impls in > a > > > > > > GWT app (it's not about integrating Spring MVC or using ROO. It's > > > also > > > > > > not about Guice) > > > > > > > > There are a few posts on this but it's hard to tell what the best > > > > > > method is today. The two contenders seem to me to be: > > > > > > > > 1) > http://code.google.com/p/gwt-spring-starter-app/(myprojectbased > > > > > > on P.G. Taboada's approach: > > >http://pgt.de/2009/07/17/non-invasive-gwt-and-spring-integration-relo.. > .) > > > > > > > > which is as simple as can be, however, the one annoyance is that > you > > > > > > need yet another class for each RPC Service (A wrapper that > extends a > > > > > > spring context injecting RemoteServiceServlet) > > > > > > > > 2)http://code.google.com/p/gwtrpc-spring/ > > > > > > > > Just glanced at this. Looks a lot more complicated and the > project > > > > > > has a lot of unresolved issues. > > > > > > > > Am I missing any approaches? Surely you other GWT devs are using > > > > > > Spring on the back end if you're writing serious applications. > Don't > > > > > > be shy, please speak up. > > > > > -- > > > 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%[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%[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]. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
