Ajuda com jboss seam

Front-end
#1

Olá…

Alguém aqui trabalha com jboss seam ? Estou tentando gerar relatórios pelo jasperreports a partir de uma action do jboss seam, mas não estou conseguindo… eu obtenho a seguinte excessao na hora de montar o relatório com o comando abaixo.

JasperPrint jasperPrint = JasperFillManager.fillReport(getClass().getResource("/reports/ReportTest.jasper").toString().replace("file:", ""), parametros, new JREmptyDataSource());

[quote]Exception during request processing:
Caused by javax.el.ELException with message: “java.lang.reflect.InvocationTargetException”

org.jboss.el.util.ReflectionUtil.invokeMethod(ReflectionUtil.java:339)
org.jboss.el.util.ReflectionUtil.invokeMethod(ReflectionUtil.java:348)
org.jboss.el.parser.AstPropertySuffix.invoke(AstPropertySuffix.java:58)
org.jboss.el.parser.AstValue.invoke(AstValue.java:96)
org.jboss.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:276)
org.jboss.seam.core.Expressions$2.invoke(Expressions.java:175)
org.jboss.seam.navigation.Pages.callAction(Pages.java:692)
org.jboss.seam.navigation.Pages.preRender(Pages.java:330)
org.jboss.seam.jsf.SeamPhaseListener.preRenderPage(SeamPhaseListener.java:561)
org.jboss.seam.jsf.SeamPhaseListener.beforeRenderResponse(SeamPhaseListener.java:472)
org.jboss.seam.jsf.SeamPhaseListener.beforeServletPhase(SeamPhaseListener.java:148)
org.jboss.seam.jsf.SeamPhaseListener.beforePhase(SeamPhaseListener.java:118)
com.sun.faces.lifecycle.Phase.handleBeforePhase(Phase.java:214)
com.sun.faces.lifecycle.Phase.doPhase(Phase.java:96)
com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:139)
javax.faces.webapp.FacesServlet.service(FacesServlet.java:266)
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:83)
org.jboss.seam.web.IdentityFilter.doFilter(IdentityFilter.java:40)
org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
org.jboss.seam.web.MultipartFilter.doFilter(MultipartFilter.java:90)
org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
org.jboss.seam.web.ExceptionFilter.doFilter(ExceptionFilter.java:64)
org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
org.jboss.seam.web.RedirectFilter.doFilter(RedirectFilter.java:45)
org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:178)
org.ajax4jsf.webapp.BaseFilter.handleRequest(BaseFilter.java:290)
org.ajax4jsf.webapp.BaseFilter.processUploadsAndHandleRequest(BaseFilter.java:368)
org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:495)
org.jboss.seam.web.Ajax4jsfFilter.doFilter(Ajax4jsfFilter.java:56)
org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
org.jboss.seam.web.LoggingFilter.doFilter(LoggingFilter.java:60)
org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
org.jboss.seam.web.HotDeployFilter.doFilter(HotDeployFilter.java:53)
org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
org.jboss.seam.servlet.SeamFilter.doFilter(SeamFilter.java:158)
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:182)
org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:84)
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:157)
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:262)
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:446)
java.lang.Thread.run(Thread.java:619)

Caused by java.lang.reflect.InvocationTargetException with message: “”

sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
java.lang.reflect.Method.invoke(Method.java:597)
org.jboss.seam.util.Reflections.invoke(Reflections.java:22)
org.jboss.seam.intercept.RootInvocationContext.proceed(RootInvocationContext.java:32)
org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:56)
org.jboss.seam.transaction.RollbackInterceptor.aroundInvoke(RollbackInterceptor.java:28)
org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68)
org.jboss.seam.core.BijectionInterceptor.aroundInvoke(BijectionInterceptor.java:77)
org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68)
org.jboss.seam.core.MethodContextInterceptor.aroundInvoke(MethodContextInterceptor.java:44)
org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68)
org.jboss.seam.core.SynchronizationInterceptor.aroundInvoke(SynchronizationInterceptor.java:32)
org.jboss.seam.intercept.SeamInvocationContext.proceed(SeamInvocationContext.java:68)
org.jboss.seam.intercept.RootInterceptor.invoke(RootInterceptor.java:107)
org.jboss.seam.intercept.JavaBeanInterceptor.interceptInvocation(JavaBeanInterceptor.java:185)
org.jboss.seam.intercept.JavaBeanInterceptor.invoke(JavaBeanInterceptor.java:103)
org.jboss.seam.example.pdf.ReportAction_$$javassist_seam_2.create(ReportAction$$_javassist_seam_2.java)
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
java.lang.reflect.Method.invoke(Method.java:597)
org.jboss.el.util.ReflectionUtil.invokeMethod(ReflectionUtil.java:335)
org.jboss.el.util.ReflectionUtil.invokeMethod(ReflectionUtil.java:348)
org.jboss.el.parser.AstPropertySuffix.invoke(AstPropertySuffix.java:58)
org.jboss.el.parser.AstValue.invoke(AstValue.java:96)
org.jboss.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:276)
org.jboss.seam.core.Expressions$2.invoke(Expressions.java:175)
org.jboss.seam.navigation.Pages.callAction(Pages.java:692)
org.jboss.seam.navigation.Pages.preRender(Pages.java:330)
org.jboss.seam.jsf.SeamPhaseListener.preRenderPage(SeamPhaseListener.java:561)
org.jboss.seam.jsf.SeamPhaseListener.beforeRenderResponse(SeamPhaseListener.java:472)
org.jboss.seam.jsf.SeamPhaseListener.beforeServletPhase(SeamPhaseListener.java:148)
org.jboss.seam.jsf.SeamPhaseListener.beforePhase(SeamPhaseListener.java:118)
com.sun.faces.lifecycle.Phase.handleBeforePhase(Phase.java:214)
com.sun.faces.lifecycle.Phase.doPhase(Phase.java:96)
com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:139)
javax.faces.webapp.FacesServlet.service(FacesServlet.java:266)
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:83)
org.jboss.seam.web.IdentityFilter.doFilter(IdentityFilter.java:40)
org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
org.jboss.seam.web.MultipartFilter.doFilter(MultipartFilter.java:90)
org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
org.jboss.seam.web.ExceptionFilter.doFilter(ExceptionFilter.java:64)
org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
org.jboss.seam.web.RedirectFilter.doFilter(RedirectFilter.java:45)
org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:178)
org.ajax4jsf.webapp.BaseFilter.handleRequest(BaseFilter.java:290)
org.ajax4jsf.webapp.BaseFilter.processUploadsAndHandleRequest(BaseFilter.java:368)
org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:495)
org.jboss.seam.web.Ajax4jsfFilter.doFilter(Ajax4jsfFilter.java:56)
org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
org.jboss.seam.web.LoggingFilter.doFilter(LoggingFilter.java:60)
org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
org.jboss.seam.web.HotDeployFilter.doFilter(HotDeployFilter.java:53)
org.jboss.seam.servlet.SeamFilter$FilterChainImpl.doFilter(SeamFilter.java:69)
org.jboss.seam.servlet.SeamFilter.doFilter(SeamFilter.java:158)
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:182)
org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:84)
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:157)
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:262)
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583)
org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:446)
java.lang.Thread.run(Thread.java:619)
[/quote]

Alguém sabe o que pode estar ocasionando a excessão?
Desde já grato !

#2