Hi, Check what is different between your web.xml and atmosphere.xml and the ones in wicket-examples.war.
The NPE is caused by not set org.atmosphere.cpr.BroadcasterFactory but I'm not sure what exactly setups it. On Wed, Jun 13, 2012 at 11:29 AM, theAnthony <anthony.ric...@gmail.com> wrote: > Hi, > > I wanted to play around with wicket 6.0.0-beta2 and wicket-atmosphere, I > created a quickstart created a simple page which would display a number and > that number would come from a simple bean with a method scheduled to be > executed every X seconds which would push the new value to the EventBus. But > at initialization of the application, I get a NullPointerException in the > EventBus. > > So I went back to the quickstart and made it as simple as possible. Just > initializing the EventBus: > > mvn archetype:generate -DarchetypeGroupId=org.apache.wicket > -DarchetypeArtifactId=wicket-archetype-quickstart > -DarchetypeVersion=6.0.0-beta2 -DgroupId=com.company.ecom > -DartifactId=emm-client-push2 > -DarchetypeRepository=https://repository.apache.org/ -DinteractiveMode=false > > Once created, I added the dependency in the pom file: > > <dependency> > <groupId>org.apache.wicket</groupId> > <artifactId>wicket-atmosphere</artifactId> > <version>0.1</version> > </dependency> > > And finally modified init method of the WicketApplication class: > > public void init() > { > super.init(); > > // add your configuration here > new EventBus(this); > } > > And when I launch the Start.java, here is the exception > WARN - AbstractLifeCycle - FAILED wicket.emm-client-push2: > java.lang.NullPointerException > java.lang.NullPointerException > at org.apache.wicket.atmosphere.EventBus.<init>(EventBus.java:85) > at com.bnpp.ecom.WicketApplication.init(WicketApplication.java:31) > at org.apache.wicket.Application.initApplication(Application.java:814) > at > org.apache.wicket.protocol.http.WicketFilter.init(WicketFilter.java:379) > at > org.apache.wicket.protocol.http.WicketFilter.init(WicketFilter.java:314) > at > org.eclipse.jetty.servlet.FilterHolder.doStart(FilterHolder.java:102) > at > org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:59) > at > org.eclipse.jetty.servlet.ServletHandler.initialize(ServletHandler.java:748) > at > org.eclipse.jetty.servlet.ServletContextHandler.startContext(ServletContextHandler.java:249) > at > org.eclipse.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1222) > at > org.eclipse.jetty.server.handler.ContextHandler.doStart(ContextHandler.java:676) > at > org.eclipse.jetty.webapp.WebAppContext.doStart(WebAppContext.java:455) > at > org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:59) > at > org.eclipse.jetty.server.handler.HandlerWrapper.doStart(HandlerWrapper.java:90) > at org.eclipse.jetty.server.Server.doStart(Server.java:260) > at > org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:59) > at com.company.ecom.Start.main(Start.java:66) > > I think I followed the instructions from the release note so I don't > understand what I'm missing. Any clue ? > > Cheers > > -- > View this message in context: > http://apache-wicket.1842946.n4.nabble.com/wicket-atmosphere-NullPointerException-at-initialization-tp4649917.html > Sent from the Users forum mailing list archive at Nabble.com. > > --------------------------------------------------------------------- > To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org > For additional commands, e-mail: users-h...@wicket.apache.org > -- Martin Grigorov jWeekend Training, Consulting, Development http://jWeekend.com --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
