Okay,
another problem occured. Although the function itself may be called,
the injects inside dont seem to work:
The @EJB-call to my class works well, however the entityManager may
not be initialized. I tryed both annotations:
@PersistenceUnit(unitName = "sung.app.kylintv.ejb")
protected EntityManagerFactory entityManagerFactory;
protected EntityManager entityManager =
entityManagerFactory.createEntityManager();
as well, as:
@PersistenceContext(unitName="sung.app.kylintv.ejb")
protected EntityManager entityManager;
the error remains the same:
2011-09-21 14:55:48,926 ERROR [org.apache.catalina.core.ContainerBase.
[jboss.web].[localhost].[/kylintv.gwt]] (http-0.0.0.0-8080-1)
Exception while dispatching incoming RPC call:
com.google.gwt.user.server.rpc.UnexpectedException: Service method
'public abstract boolean
sung.app.kylintv.gwt.client.DatabaseBuilderService.createDefaultDatabaseEntries()'
threw an unexpected exception: javax.ejb.EJBException:
java.lang.NullPointerException
at
com.google.gwt.user.server.rpc.RPC.encodeResponseForFailure(RPC.java:
385) [:]
at
com.google.gwt.user.server.rpc.RPC.invokeAndEncodeResponse(RPC.java:
588) [:]
at
com.google.gwt.user.server.rpc.RemoteServiceServlet.processCall(RemoteServiceServlet.java:
208) [:]
at
com.google.gwt.user.server.rpc.RemoteServiceServlet.processPost(RemoteServiceServlet.java:
248) [:]
at
com.google.gwt.user.server.rpc.AbstractRemoteServiceServlet.doPost(AbstractRemoteServiceServlet.java:
62) [:]
at javax.servlet.http.HttpServlet.service(HttpServlet.java:754) [:
1.0.0.Final]
at javax.servlet.http.HttpServlet.service(HttpServlet.java:847) [:
1.0.0.Final]
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:
324) [:6.1.0.Final]
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:
242) [:6.1.0.Final]
at
org.jboss.weld.servlet.ConversationPropagationFilter.doFilter(ConversationPropagationFilter.java:
67) [:6.1.0.Final]
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:
274) [:6.1.0.Final]
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:
242) [:6.1.0.Final]
at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:
275) [:6.1.0.Final]
at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:
161) [:6.1.0.Final]
at
org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:
181) [:6.1.0.Final]
at org.jboss.modcluster.catalina.CatalinaContext
$RequestListenerValve.event(CatalinaContext.java:285) [:1.1.0.Final]
at org.jboss.modcluster.catalina.CatalinaContext
$RequestListenerValve.invoke(CatalinaContext.java:261) [:1.1.0.Final]
at
org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:
88) [:6.1.0.Final]
at
org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.invoke(SecurityContextEstablishmentValve.java:
100) [:6.1.0.Final]
at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:
159) [:6.1.0.Final]
at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:
102) [:6.1.0.Final]
at
org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:
158) [:6.1.0.Final]
at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:
109) [:6.1.0.Final]
at
org.jboss.web.tomcat.service.request.ActiveRequestResponseCacheValve.invoke(ActiveRequestResponseCacheValve.java:
53) [:6.1.0.Final]
at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:
362) [:6.1.0.Final]
at
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:
877) [:6.1.0.Final]
at org.apache.coyote.http11.Http11Protocol
$Http11ConnectionHandler.process(Http11Protocol.java:654) [:
6.1.0.Final]
at org.apache.tomcat.util.net.JIoEndpoint
$Worker.run(JIoEndpoint.java:951) [:6.1.0.Final]
at java.lang.Thread.run(Thread.java:662) [:1.6.0_25]
Caused by: javax.ejb.EJBException: java.lang.NullPointerException
at
org.jboss.ejb3.tx2.impl.CMTTxInterceptor.handleExceptionInOurTx(CMTTxInterceptor.java:
183) [:0.0.2]
at
org.jboss.ejb3.tx2.impl.CMTTxInterceptor.invokeInOurTx(CMTTxInterceptor.java:
251) [:0.0.2]
at
org.jboss.ejb3.tx2.impl.CMTTxInterceptor.required(CMTTxInterceptor.java:
349) [:0.0.2]
at
org.jboss.ejb3.tx2.impl.CMTTxInterceptor.invoke(CMTTxInterceptor.java:
209) [:0.0.2]
at
org.jboss.ejb3.tx2.aop.CMTTxInterceptorWrapper.invoke(CMTTxInterceptorWrapper.java:
52) [:0.0.2]
at
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:
102) [jboss-aop.jar:2.2.2.GA]
at
org.jboss.aspects.tx.TxPropagationInterceptor.invoke(TxPropagationInterceptor.java:
76) [:1.0.0.GA]
at
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:
102) [jboss-aop.jar:2.2.2.GA]
at org.jboss.ejb3.tx.NullInterceptor.invoke(NullInterceptor.java:
42) [:1.0.4]
at
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:
102) [jboss-aop.jar:2.2.2.GA]
at
org.jboss.ejb3.security.Ejb3AuthenticationInterceptorv2.invoke(Ejb3AuthenticationInterceptorv2.java:
182) [:1.7.21]
at
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:
102) [jboss-aop.jar:2.2.2.GA]
at
org.jboss.ejb3.ENCPropagationInterceptor.invoke(ENCPropagationInterceptor.java:
41) [:1.7.21]
at
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:
102) [jboss-aop.jar:2.2.2.GA]
at
org.jboss.ejb3.BlockContainerShutdownInterceptor.invoke(BlockContainerShutdownInterceptor.java:
67) [:1.7.21]
at
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:
102) [jboss-aop.jar:2.2.2.GA]
at
org.jboss.ejb3.core.context.CurrentInvocationContextInterceptor.invoke(CurrentInvocationContextInterceptor.java:
47) [:1.7.21]
at
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:
102) [jboss-aop.jar:2.2.2.GA]
at
org.jboss.aspects.currentinvocation.CurrentInvocationInterceptor.invoke(CurrentInvocationInterceptor.java:
67) [:1.0.1]
at
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:
102) [jboss-aop.jar:2.2.2.GA]
at
org.jboss.ejb3.interceptor.EJB3TCCLInterceptor.invoke(EJB3TCCLInterceptor.java:
86) [:1.7.21]
at
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:
102) [jboss-aop.jar:2.2.2.GA]
at
org.jboss.ejb3.session.SessionSpecContainer.invoke(SessionSpecContainer.java:
333) [:1.7.21]
at
org.jboss.ejb3.session.SessionSpecContainer.invoke(SessionSpecContainer.java:
390) [:1.7.21]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) [:
1.6.0_25]
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:
39) [:1.6.0_25]
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:
25) [:1.6.0_25]
at java.lang.reflect.Method.invoke(Method.java:597) [:1.6.0_25]
at
org.jboss.ejb3.proxy.impl.handler.session.SessionLocalProxyInvocationHandler
$LocalContainerInvocation.invokeTarget(SessionLocalProxyInvocationHandler.java:
184) [:1.0.11]
at
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:
111) [jboss-aop.jar:2.2.2.GA]
at
org.jboss.ejb3.async.impl.interceptor.AsynchronousClientInterceptor.invoke(AsynchronousClientInterceptor.java:
143) [:1.7.21]
at
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:
102) [jboss-aop.jar:2.2.2.GA]
at
org.jboss.ejb3.proxy.impl.handler.session.SessionLocalProxyInvocationHandler
$LocalInvokableContextHandler.invoke(SessionLocalProxyInvocationHandler.java:
159) [:1.0.11]
at $Proxy211.invoke(Unknown Source) at
org.jboss.ejb3.proxy.impl.handler.session.SessionProxyInvocationHandlerBase.invoke(SessionProxyInvocationHandlerBase.java:
185) [:1.0.11]
at $Proxy210.createTestEntry(Unknown Source) at
sung.app.kylintv.gwt.server.DatabaseBuilderServiceImpl.createDefaultDatabaseEntries(DatabaseBuilderServiceImpl.java:
27) [:]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) [:
1.6.0_25]
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:
39) [:1.6.0_25]
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:
25) [:1.6.0_25]
at java.lang.reflect.Method.invoke(Method.java:597) [:1.6.0_25]
at
com.google.gwt.user.server.rpc.RPC.invokeAndEncodeResponse(RPC.java:
569) [:]
... 27 more
Caused by: java.lang.NullPointerException
at sung.app.kylintv.HomeBase.<init>(HomeBase.java:28) [:]
at sung.app.kylintv.product.ProductHome.<init>(ProductHome.java:
35) [:]
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native
Method) [:1.6.0_25]
at
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:
39) [:1.6.0_25]
at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:
27) [:1.6.0_25]
at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
[:1.6.0_25]
at
org.jboss.weld.introspector.jlr.WeldConstructorImpl.newInstance(WeldConstructorImpl.java:
239) [:6.1.0.Final]
at
org.jboss.weld.injection.ConstructorInjectionPoint.newInstance(ConstructorInjectionPoint.java:
134) [:6.1.0.Final]
at org.jboss.weld.bean.SessionBean.createInstance(SessionBean.java:
238) [:6.1.0.Final]
at org.jboss.weld.bean.SessionBean$1.produce(SessionBean.java:222)
[:6.1.0.Final]
at
org.jboss.weld.integration.instantiator.Jsr299BeanInstantiator.create(Jsr299BeanInstantiator.java:
79) [:6.1.0.Final]
at org.jboss.ejb3.EJBContainer.construct(EJBContainer.java:1048) [:
1.7.21]
at
org.jboss.ejb3.stateless.StatelessContainer.createBeanContext(StatelessContainer.java:
123) [:1.7.21]
at
org.jboss.ejb3.pool.AbstractPool.createBeanContext(AbstractPool.java:
94) [:1.7.21]
at org.jboss.ejb3.pool.AbstractPool.create(AbstractPool.java:81) [:
1.7.21]
at org.jboss.ejb3.InfinitePool.get(InfinitePool.java:62) [:1.7.21]
at org.jboss.ejb3.InfinitePool.get(InfinitePool.java:57) [:1.7.21]
at org.jboss.ejb3.pool.ThreadlocalPool.create(ThreadlocalPool.java:
54) [:1.7.21]
at org.jboss.ejb3.pool.ThreadlocalPool.get(ThreadlocalPool.java:
86) [:1.7.21]
at
org.jboss.ejb3.stateless.StatelessInstanceInterceptor.invoke(StatelessInstanceInterceptor.java:
58) [:1.7.21]
at
org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:
102) [jboss-aop.jar:2.2.2.GA]
at
org.jboss.ejb3.core.context.SessionInvocationContextAdapter.proceed(SessionInvocationContextAdapter.java:
95) [:1.7.21]
at
org.jboss.ejb3.tx2.impl.CMTTxInterceptor.invokeInOurTx(CMTTxInterceptor.java:
247) [:0.0.2]
... 67 more
Does anybody know why?
On 19 Sep., 16:42, Norman Klingspor <[email protected]>
wrote:
> Hi,
>
> 1 step closer :-) Reading through the descriptions once more:
>
> I forgot to copy my ejb-class-files into WEB-INF/classes/... After
> this, the function is finally called my code works out fine like this.
> So it is important, to not only import the created .jar-files but,
> include your class-files as well, as it seems to me.
>
> Hope this'll help others like me!
>
> Norman
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