Br.com.caelum.vraptor.InterceptionException: exception raised, check root cause for details: ja

Boa tarde a todos estou tendo problemas com essa exception no VRaptor
e não estou conseguindo identificar a causa dela


15:02:28,388 ERROR [org.apache.catalina.core.ContainerBase.[jboss.web].[default-host].[/].[default]] (http--0.0.0.0-80-1) Servlet.service() for servlet default threw exception: br.com.caelum.vraptor.InterceptionException: exception raised, check root cause for details: java.lang.NoSuchFieldError: PRINTSCALING
	at br.com.caelum.vraptor.interceptor.ExecuteMethodInterceptor.intercept(ExecuteMethodInterceptor.java:96) [vraptor-3.4.1.jar:]
	at br.com.caelum.vraptor.core.ToInstantiateInterceptorHandler.execute(ToInstantiateInterceptorHandler.java:54) [vraptor-3.4.1.jar:]
	at br.com.caelum.vraptor.core.DefaultInterceptorStack.next(DefaultInterceptorStack.java:54) [vraptor-3.4.1.jar:]
	at br.com.caelum.vraptor.core.LazyInterceptorHandler.execute(LazyInterceptorHandler.java:61) [vraptor-3.4.1.jar:]
	at br.com.caelum.vraptor.core.DefaultInterceptorStack.next(DefaultInterceptorStack.java:54) [vraptor-3.4.1.jar:]
	at br.com.autoglass.downloadnfe.interceptor.LoginInterceptor.intercept(LoginInterceptor.java:36) [classes:]
	at br.com.caelum.vraptor.core.ToInstantiateInterceptorHandler.execute(ToInstantiateInterceptorHandler.java:54) [vraptor-3.4.1.jar:]
	at br.com.caelum.vraptor.core.DefaultInterceptorStack.next(DefaultInterceptorStack.java:54) [vraptor-3.4.1.jar:]
	at br.com.caelum.vraptor.interceptor.InstantiateInterceptor.intercept(InstantiateInterceptor.java:48) [vraptor-3.4.1.jar:]
	at br.com.caelum.vraptor.core.ToInstantiateInterceptorHandler.execute(ToInstantiateInterceptorHandler.java:54) [vraptor-3.4.1.jar:]
	at br.com.caelum.vraptor.core.DefaultInterceptorStack.next(DefaultInterceptorStack.java:54) [vraptor-3.4.1.jar:]
	at br.com.caelum.vraptor.interceptor.FlashInterceptor.intercept(FlashInterceptor.java:83) [vraptor-3.4.1.jar:]
	at br.com.caelum.vraptor.core.ToInstantiateInterceptorHandler.execute(ToInstantiateInterceptorHandler.java:54) [vraptor-3.4.1.jar:]
	at br.com.caelum.vraptor.core.DefaultInterceptorStack.next(DefaultInterceptorStack.java:54) [vraptor-3.4.1.jar:]
	at br.com.caelum.vraptor.interceptor.ParametersInstantiatorInterceptor.intercept(ParametersInstantiatorInterceptor.java:93) [vraptor-3.4.1.jar:]
	at br.com.caelum.vraptor.core.LazyInterceptorHandler.execute(LazyInterceptorHandler.java:59) [vraptor-3.4.1.jar:]
	at br.com.caelum.vraptor.core.DefaultInterceptorStack.next(DefaultInterceptorStack.java:54) [vraptor-3.4.1.jar:]
	at br.com.caelum.vraptor.interceptor.ExceptionHandlerInterceptor.intercept(ExceptionHandlerInterceptor.java:71) [vraptor-3.4.1.jar:]
	at br.com.caelum.vraptor.core.ToInstantiateInterceptorHandler.execute(ToInstantiateInterceptorHandler.java:54) [vraptor-3.4.1.jar:]
	at br.com.caelum.vraptor.core.DefaultInterceptorStack.next(DefaultInterceptorStack.java:54) [vraptor-3.4.1.jar:]
	at br.com.caelum.vraptor.interceptor.ResourceLookupInterceptor.intercept(ResourceLookupInterceptor.java:69) [vraptor-3.4.1.jar:]
	at br.com.caelum.vraptor.core.ToInstantiateInterceptorHandler.execute(ToInstantiateInterceptorHandler.java:54) [vraptor-3.4.1.jar:]
	at br.com.caelum.vraptor.core.DefaultInterceptorStack.next(DefaultInterceptorStack.java:54) [vraptor-3.4.1.jar:]
	at br.com.caelum.vraptor.core.ToInstantiateInterceptorHandler.execute(ToInstantiateInterceptorHandler.java:56) [vraptor-3.4.1.jar:]
	at br.com.caelum.vraptor.core.DefaultInterceptorStack.next(DefaultInterceptorStack.java:54) [vraptor-3.4.1.jar:]
	at br.com.caelum.vraptor.core.EnhancedRequestExecution.execute(EnhancedRequestExecution.java:44) [vraptor-3.4.1.jar:]
	at br.com.caelum.vraptor.VRaptor$1.insideRequest(VRaptor.java:91) [vraptor-3.4.1.jar:]
	at br.com.caelum.vraptor.ioc.spring.SpringProvider.provideForRequest(SpringProvider.java:58) [vraptor-3.4.1.jar:]
	at br.com.caelum.vraptor.VRaptor.doFilter(VRaptor.java:88) [vraptor-3.4.1.jar:]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:280) [jbossweb-7.0.13.Final.jar:]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:248) [jbossweb-7.0.13.Final.jar:]
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:275) [jbossweb-7.0.13.Final.jar:]
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:161) [jbossweb-7.0.13.Final.jar:]
	at org.jboss.as.jpa.interceptor.WebNonTxEmCloserValve.invoke(WebNonTxEmCloserValve.java:50) [jboss-as-jpa-7.1.1.Final.jar:7.1.1.Final]
	at org.jboss.as.web.security.SecurityContextAssociationValve.invoke(SecurityContextAssociationValve.java:153) [jboss-as-web-7.1.1.Final.jar:7.1.1.Final]
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:155) [jbossweb-7.0.13.Final.jar:]
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) [jbossweb-7.0.13.Final.jar:]
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) [jbossweb-7.0.13.Final.jar:]
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:368) [jbossweb-7.0.13.Final.jar:]
	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:877) [jbossweb-7.0.13.Final.jar:]
	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:671) [jbossweb-7.0.13.Final.jar:]
	at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:930) [jbossweb-7.0.13.Final.jar:]
	at java.lang.Thread.run(Unknown Source) [rt.jar:1.6.0_29]
Caused by: java.lang.NoSuchFieldError: PRINTSCALING
	at net.sf.jasperreports.engine.export.JRPdfExporter.exportReportToStream(JRPdfExporter.java:496) [jasperreports-4.5.1.jar:4.5.1]
	at net.sf.jasperreports.engine.export.JRPdfExporter.exportReport(JRPdfExporter.java:367) [jasperreports-4.5.1.jar:4.5.1]
	at net.sf.jasperreports.engine.JasperExportManager.exportReportToPdf(JasperExportManager.java:184) [jasperreports-4.5.1.jar:4.5.1]
	at br.com.autoglass.downloadnfe.relatorio.DANFE.getDanfe(DANFE.java:127) [classes:]
	at br.com.autoglass.downloadnfe.controller.IndexController.downloadDANFE(IndexController.java:165) [classes:]
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) [rt.jar:1.6.0_29]
	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) [rt.jar:1.6.0_29]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) [rt.jar:1.6.0_29]
	at java.lang.reflect.Method.invoke(Unknown Source) [rt.jar:1.6.0_29]
	at br.com.caelum.vraptor.interceptor.ExecuteMethodInterceptor.intercept(ExecuteMethodInterceptor.java:61) [vraptor-3.4.1.jar:]
	... 42 more

alguem pode me ajudar com isso?

Desde já agradeço.

Resolvido,
o jar do Itext estava provocando um conflito ao retirar ele o aplicativo funcionou corretamente.