Got a running SpringDM with pax-wicket 0.7.2.
BundleA exports a VotingService. BundleB (wicket) via a plain Service
can use that service -> so SpringDM works.
In my OverviewPage (BundleB) i added an AjaxFallback Link which calls a
service-method.
but when the services ping() method got called, a NPE occurs:
java.lang.NullPointerException
at
org.ops4j.pax.wicket.util.proxy.LazyInitProxyFactory$JdkHandler.invoke(LazyInitProxyFactory.java:233)
at org.ops4j.pax.wicket.util.proxy.$Proxy17.ping(Unknown Source)
at de.bitnoise.konferenz.web.OverviewPage$1.onClick(OverviewPage.java:98)
at
org.apache.wicket.ajax.markup.html.AjaxFallbackLink$1.onEvent(AjaxFallbackLink.java:73)
Where OverviewPage.java:98 is:
String result = ref1.ping("call0");
where ref1 is :
@PaxWicketBean
ExampleService ref1;
ExampleService is actually a service inside the same bundle. But the
same error occurs with the VotingService from the other bundle.
i'm a little bit confused by the Documentation:
http://team.ops4j.org/wiki/display/paxwicket/Injection+%28Quick%29
it say's :
"Injection is always local. Components in Bundle A can only receive
beans available in Bundle A's application context"
Where some lines below :
"As you might guess already it does not have to be a classic bean only
but could also be a <reference> or a <list> or any other named entity in
SpringDM or Blueprint." -> Which would be a not local bean!???
Anyway. The Bean in my case ( ExampleService ) is local + exported as
service, but it's still a local bean.
At the moment i think pax-wicket doesn't know the correct Spring
context. Is there someway to register the Spring context?
PS:
For completeness, there is no BundelActivator. I use a Spring
postConstruct to register the wicket app:
@PostConstruct
public void init()
{
System.out.println("##### Start " + bc);
String mountPoint = "deptStore";
String applicationName = "departmentstore";
store = new RootContentAggregator(bc, applicationName, "swp");
store.register();
overviewPageFactory = new OverviewPageFactory(bc, store,
applicationName,
"overview");
overviewPageFactory.register();
PaxWicketApplicationFactory applicationFactory = new
PaxWicketApplicationFactory(
bc, OverviewPage.class, mountPoint, applicationName);
// This registers the pax-wicket service as OSGi Service.
serviceRegistration = applicationFactory.register();
System.out.println("##### DONE");
}
create via :
<beans:bean class="de.bitnoise.konferenz.web.internal.MyAppFactory"
init-method="init"/>
Cheers Rainer
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