[jboss-user] [JBoss Seam] - Trying to get an interceptor working. Please help

gbc@gmx.de do-not-reply at jboss.com
Mon Sep 10 04:25:16 EDT 2007


Hello everyone,

seems that I have no luck getting an interceptor working. My Interceptor method is called but  does always throw an exeption (java.lang.IllegalAccessException) when the invocation should be proceeded.

My interceptor:


  | import javax.interceptor.AroundInvoke;
  | import javax.interceptor.InvocationContext;
  | 
  | import org.jboss.seam.annotations.intercept.Interceptor;
  | 
  | @Interceptor
  | public class PropertyInterceptor {
  | 
  | 	@AroundInvoke
  | 	public Object injectProperty(InvocationContext inv)  {
  | 		try {
  | 			String methodName = inv.getMethod().getName();
  | 			System.out.println("injectProperty(): called: methodName: " + methodName);
  | 			return inv.proceed();
  | 		} catch (Exception e) {
  | 			System.out.println("inv.proceed exception:");
  | 			e.printStackTrace();
  | 			return null;
  | 		}
  | 	}
  | 	
  | }
  | 

My Annotation:


  | import java.lang.annotation.ElementType;
  | import java.lang.annotation.Retention;
  | import java.lang.annotation.RetentionPolicy;
  | import java.lang.annotation.Target;
  | 
  | import org.jboss.seam.annotations.intercept.Interceptors;
  | 
  | @Interceptors(PropertyInterceptor.class)
  | @Retention(RetentionPolicy.RUNTIME)
  | @Target(ElementType.TYPE)
  | public @interface Properties {
  | 
  | }
  | 

My SessionBean that should be intercepted


  | import javax.ejb.Stateless;
  | 
  | import org.jboss.seam.annotations.In;
  | import org.jboss.seam.annotations.Logger;
  | import org.jboss.seam.annotations.Name;
  | import org.jboss.seam.faces.FacesMessages;
  | import org.jboss.seam.log.Log;
  | 
  | @Stateless
  | @Name("interceptorAction")
  | @Properties
  | class InterceptorAction implements InterceptorActionLocal {
  | 
  | 	@Logger
  | 	Log log;
  | 	
  | 	@In
  | 	FacesMessages facesMessages;
  | 	
  | 	public void useProperty() {
  | 		log.info("useParameter(): called:");
  | 		facesMessages.add("useParameter(): called");
  | 	}
  | 	
  | }
  | 

Called from a facelet (like generated by seam-gen) with #{interceptorAction.useProperty()} gives following exception


  | 10:28:45,703 INFO  [STDOUT] injectProperty(): called: methodName: useProperty
  | 10:28:45,703 INFO  [STDOUT] inv.proceed exception:
  | 10:28:45,703 ERROR [STDERR] java.lang.IllegalAccessException: Class org.jboss.aop.joinpoint.MethodInvocation can not access a member of class seam.ccc.interceptors.InterceptorAction with modifiers "public"
  | 10:28:45,703 ERROR [STDERR] 	at sun.reflect.Reflection.ensureMemberAccess(Reflection.java:65)
  | 10:28:45,703 ERROR [STDERR] 	at java.lang.reflect.Method.invoke(Method.java:578)
  | 10:28:45,703 ERROR [STDERR] 	at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:112)
  | 10:28:45,703 ERROR [STDERR] 	at org.jboss.ejb3.interceptor.InvocationContextImpl.proceed(InvocationContextImpl.java:166)
  | 10:28:45,703 ERROR [STDERR] 	at org.jboss.seam.intercept.EJBInvocationContext.proceed(EJBInvocationContext.java:44)
  | 10:28:45,703 ERROR [STDERR] 	at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:56)
  | 10:28:45,703 ERROR [STDERR] 	at seam.ccc.interceptors.PropertyInterceptor.injectProperty(PropertyInterceptor.java:16)
  | 10:28:45,703 ERROR [STDERR] 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  | 10:28:45,703 ERROR [STDERR] 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
  | 10:28:45,703 ERROR [STDERR] 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
  | 10:28:45,703 ERROR [STDERR] 	at java.lang.reflect.Method.invoke(Method.java:585)
  | 10:28:45,703 ERROR [STDERR] 	at org.jboss.seam.util.Reflections.invoke(Reflections.java:21)
  | 10:28:45,703 ERROR [STDERR] 	at org.jboss.seam.intercept.Interceptor.aroundInvoke(Interceptor.java:177)
  | 10:28:45,703 ERROR [STDERR] 	at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:72)
  | 10:28:45,703 ERROR [STDERR] 	at org.jboss.seam.transaction.RollbackInterceptor.aroundInvoke(RollbackInterceptor.java:31)
  | 10:28:45,703 ERROR [STDERR] 	at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68)
  | 10:28:45,703 ERROR [STDERR] 	at org.jboss.seam.core.BijectionInterceptor.aroundInvoke(BijectionInterceptor.java:46)
  | 10:28:45,703 ERROR [STDERR] 	at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68)
  | 10:28:45,703 ERROR [STDERR] 	at org.jboss.seam.core.MethodContextInterceptor.aroundInvoke(MethodContextInterceptor.java:42)
  | 10:28:45,703 ERROR [STDERR] 	at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68)
  | 10:28:45,703 ERROR [STDERR] 	at org.jboss.seam.intercept.RootInterceptor.invoke(RootInterceptor.java:106)
  | 10:28:45,703 ERROR [STDERR] 	at org.jboss.seam.intercept.SessionBeanInterceptor.aroundInvoke(SessionBeanInterceptor.java:53)
  | 10:28:45,703 ERROR [STDERR] 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  | 10:28:45,703 ERROR [STDERR] 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
  | 10:28:45,703 ERROR [STDERR] 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
  | 10:28:45,703 ERROR [STDERR] 	at java.lang.reflect.Method.invoke(Method.java:585)
  | 10:28:45,703 ERROR [STDERR] 	at org.jboss.ejb3.interceptor.InvocationContextImpl.proceed(InvocationContextImpl.java:118)
  | 10:28:45,703 ERROR [STDERR] 	at org.jboss.ejb3.interceptor.EJB3InterceptorsInterceptor.invoke(EJB3InterceptorsInterceptor.java:63)
  | 10:28:45,703 ERROR [STDERR] 	at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
  | 10:28:45,703 ERROR [STDERR] 	at org.jboss.ejb3.entity.TransactionScopedEntityManagerInterceptor.invoke(TransactionScopedEntityManagerInterceptor.java:54)
  | 10:28:45,703 ERROR [STDERR] 	at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
  | 10:28:45,703 ERROR [STDERR] 	at org.jboss.ejb3.AllowedOperationsInterceptor.invoke(AllowedOperationsInterceptor.java:47)
  | 10:28:45,703 ERROR [STDERR] 	at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
  | 10:28:45,703 ERROR [STDERR] 	at org.jboss.aspects.tx.TxPolicy.invokeInCallerTx(TxPolicy.java:126)
  | 10:28:45,703 ERROR [STDERR] 	at org.jboss.aspects.tx.TxInterceptor$Required.invoke(TxInterceptor.java:195)
  | 10:28:45,703 ERROR [STDERR] 	at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
  | 10:28:45,703 ERROR [STDERR] 	at org.jboss.aspects.tx.TxPropagationInterceptor.invoke(TxPropagationInterceptor.java:76)
  | 10:28:45,703 ERROR [STDERR] 	at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
  | 10:28:45,703 ERROR [STDERR] 	at org.jboss.ejb3.stateless.StatelessInstanceInterceptor.invoke(StatelessInstanceInterceptor.java:62)
  | 10:28:45,703 ERROR [STDERR] 	at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
  | 10:28:45,703 ERROR [STDERR] 	at org.jboss.aspects.security.AuthenticationInterceptor.invoke(AuthenticationInterceptor.java:77)
  | 10:28:45,703 ERROR [STDERR] 	at org.jboss.ejb3.security.Ejb3AuthenticationInterceptor.invoke(Ejb3AuthenticationInterceptor.java:106)
  | 10:28:45,703 ERROR [STDERR] 	at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
  | 10:28:45,703 ERROR [STDERR] 	at org.jboss.ejb3.ENCPropagationInterceptor.invoke(ENCPropagationInterceptor.java:46)
  | 10:28:45,703 ERROR [STDERR] 	at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
  | 10:28:45,703 ERROR [STDERR] 	at org.jboss.ejb3.asynchronous.AsynchronousInterceptor.invoke(AsynchronousInterceptor.java:106)
  | 10:28:45,703 ERROR [STDERR] 	at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:101)
  | 10:28:45,703 ERROR [STDERR] 	at org.jboss.ejb3.stateless.StatelessContainer.localInvoke(StatelessContainer.java:214)
  | 10:28:45,703 ERROR [STDERR] 	at org.jboss.ejb3.stateless.StatelessContainer.localInvoke(StatelessContainer.java:184)
  | 10:28:45,703 ERROR [STDERR] 	at org.jboss.ejb3.stateless.StatelessLocalProxy.invoke(StatelessLocalProxy.java:81)
  | 10:28:45,703 ERROR [STDERR] 	at $Proxy111.useProperty(Unknown Source)
  | 10:28:45,703 ERROR [STDERR] 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  | 10:28:45,703 ERROR [STDERR] 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
  | 10:28:45,703 ERROR [STDERR] 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
  | 10:28:45,703 ERROR [STDERR] 	at java.lang.reflect.Method.invoke(Method.java:585)
  | 10:28:45,703 ERROR [STDERR] 	at org.jboss.seam.util.Reflections.invoke(Reflections.java:21)
  | 10:28:45,703 ERROR [STDERR] 	at org.jboss.seam.intercept.RootInvocationContext.proceed(RootInvocationContext.java:31)
  | 10:28:45,703 ERROR [STDERR] 	at org.jboss.seam.intercept.ClientSideInterceptor$1.proceed(ClientSideInterceptor.java:72)
  | 10:28:45,703 ERROR [STDERR] 	at org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:56)
  | 10:28:45,703 ERROR [STDERR] 	at org.jboss.seam.intercept.RootInterceptor.invoke(RootInterceptor.java:106)
  | 10:28:45,703 ERROR [STDERR] 	at org.jboss.seam.intercept.ClientSideInterceptor.invoke(ClientSideInterceptor.java:50)
  | 10:28:45,703 ERROR [STDERR] 	at org.javassist.tmp.java.lang.Object_$$_javassist_6.useProperty(Object_$$_javassist_6.java)
  | 10:28:45,703 ERROR [STDERR] 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  | 10:28:45,703 ERROR [STDERR] 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
  | 10:28:45,703 ERROR [STDERR] 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
  | 10:28:45,703 ERROR [STDERR] 	at java.lang.reflect.Method.invoke(Method.java:585)
  | 10:28:45,703 ERROR [STDERR] 	at org.jboss.el.util.ReflectionUtil.invokeMethod(ReflectionUtil.java:325)
  | 10:28:45,703 ERROR [STDERR] 	at org.jboss.el.util.ReflectionUtil.invokeMethod(ReflectionUtil.java:270)
  | 10:28:45,703 ERROR [STDERR] 	at org.jboss.el.parser.AstMethodSuffix.getValue(AstMethodSuffix.java:59)
  | 10:28:45,703 ERROR [STDERR] 	at org.jboss.el.parser.AstMethodSuffix.invoke(AstMethodSuffix.java:65)
  | 10:28:45,703 ERROR [STDERR] 	at org.jboss.el.parser.AstValue.invoke(AstValue.java:96)
  | 10:28:45,703 ERROR [STDERR] 	at org.jboss.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:276)
  | 10:28:45,703 ERROR [STDERR] 	at com.sun.facelets.el.TagMethodExpression.invoke(TagMethodExpression.java:68)
  | 10:28:45,703 ERROR [STDERR] 	at javax.faces.component.MethodBindingMethodExpressionAdapter.invoke(MethodBindingMethodExpressionAdapter.java:77)
  | 10:28:45,703 ERROR [STDERR] 	at com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:91)
  | 10:28:45,703 ERROR [STDERR] 	at javax.faces.component.UICommand.broadcast(UICommand.java:383)
  | 10:28:45,765 ERROR [STDERR] 	at org.ajax4jsf.framework.ajax.AjaxViewRoot.processEvents(AjaxViewRoot.java:180)
  | 10:28:45,765 ERROR [STDERR] 	at org.ajax4jsf.framework.ajax.AjaxViewRoot.broadcastEvents(AjaxViewRoot.java:158)
  | 10:28:45,765 ERROR [STDERR] 	at org.ajax4jsf.framework.ajax.AjaxViewRoot.processApplication(AjaxViewRoot.java:346)
  | 10:28:45,765 ERROR [STDERR] 	at com.sun.faces.lifecycle.InvokeApplicationPhase.execute(InvokeApplicationPhase.java:97)
  | 10:28:45,765 ERROR [STDERR] 	at com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:251)
  | 10:28:45,765 ERROR [STDERR] 	at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:117)
  | 10:28:45,765 ERROR [STDERR] 	at javax.faces.webapp.FacesServlet.service(FacesServlet.java:244)
  | 10:28:45,765 ERROR [STDERR] 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
  | 10:28:45,765 ERROR [STDERR] 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
  | 10:28:45,765 ERROR [STDERR] 	at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:83)
  | 10:28:45,765 ERROR [STDERR] 	at org.jboss.seam.debug.hot.HotDeployFilter.doFilter(HotDeployFilter.java:63)
  | 10:28:45,765 ERROR [STDERR] 	at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
  | 10:28:45,765 ERROR [STDERR] 	at org.jboss.seam.web.MultipartFilter.doFilter(MultipartFilter.java:87)
  | 10:28:45,765 ERROR [STDERR] 	at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
  | 10:28:45,765 ERROR [STDERR] 	at org.jboss.seam.web.ExceptionFilter.doFilter(ExceptionFilter.java:63)
  | 10:28:45,765 ERROR [STDERR] 	at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
  | 10:28:45,765 ERROR [STDERR] 	at org.jboss.seam.web.RedirectFilter.doFilter(RedirectFilter.java:46)
  | 10:28:45,765 ERROR [STDERR] 	at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
  | 10:28:45,765 ERROR [STDERR] 	at org.ajax4jsf.framework.ajax.xmlfilter.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:127)
  | 10:28:45,765 ERROR [STDERR] 	at org.ajax4jsf.framework.ajax.xmlfilter.BaseFilter.doFilter(BaseFilter.java:277)
  | 10:28:45,765 ERROR [STDERR] 	at org.jboss.seam.web.Ajax4jsfFilter.doFilter(Ajax4jsfFilter.java:40)
  | 10:28:45,765 ERROR [STDERR] 	at org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
  | 10:28:45,765 ERROR [STDERR] 	at org.jboss.seam.servlet.SeamFilter.doFilter(SeamFilter.java:140)
  | 10:28:45,765 ERROR [STDERR] 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
  | 10:28:45,765 ERROR [STDERR] 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
  | 10:28:45,765 ERROR [STDERR] 	at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
  | 10:28:45,765 ERROR [STDERR] 	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
  | 10:28:45,765 ERROR [STDERR] 	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
  | 10:28:45,765 ERROR [STDERR] 	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)
  | 10:28:45,765 ERROR [STDERR] 	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
  | 10:28:45,765 ERROR [STDERR] 	at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:179)
  | 10:28:45,765 ERROR [STDERR] 	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:433)
  | 10:28:45,765 ERROR [STDERR] 	at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:84)
  | 10:28:45,765 ERROR [STDERR] 	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
  | 10:28:45,765 ERROR [STDERR] 	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)
  | 10:28:45,765 ERROR [STDERR] 	at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:156)
  | 10:28:45,765 ERROR [STDERR] 	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
  | 10:28:45,765 ERROR [STDERR] 	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:241)
  | 10:28:45,765 ERROR [STDERR] 	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
  | 10:28:45,765 ERROR [STDERR] 	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:580)
  | 10:28:45,765 ERROR [STDERR] 	at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
  | 10:28:45,765 ERROR [STDERR] 	at java.lang.Thread.run(Thread.java:595)
  | 

I'm using JBoss 4.2.0 GA and Seam 2.0 Beta1.

Could you please give me a hint what I missed?

Thank you very much,

Greetz GHad

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