Problemas Java Jmx

Olá galera,

Estou com problema, estou trabalhando com JMX, tenho meus métodos definidos em uma interface e obviamente tem uma classe que a implementa´. Tenho o método remoto com a seguinte assinatura public Map<String,String> transaction(String num, String trn), ao acessá-lo utilizando o método abaixo é retornado um erro que pode ser visto logo após o método startUpdate.
Ele informa na linha 82 que o metodo transaction não foi encontrado, tenho certeza que este método está definido na interface, quando removo os parâmetros dele método startUpdate é acionado com sucesso, não sei ao certo o que há de errado neste método será que vocês poderiam me ajudar?

Desde já obrigado

P.S. a figura apresenta o método no console JMX do JBoss

	public String startUpdate() {
		try {
			InitialContext iniCtx = new InitialContext();
			RMIAdaptor server = (RMIAdaptor) iniCtx.lookup("jmx/invoker/RMIAdaptor");
			ObjectName name = new ObjectName("br.com.teste.central:service=TesteServerCentral");
			String [] par = new String[2];
			par[0] = "a";
			par[1] = "a";
			String [] signature  = new String[1];
			signature[0] = "java.lang.String";
			Map<String,String> teste = (Map<String, String>) server.invoke(name, "transaction",new Object[]{"a","b"}, new String[0]);
			System.out.println(teste);
			msg = "Atualizador Acionado com Sucesso";
			return "index.jsf";
		} catch (Exception e) {
			colorMessage = "red";
			e.printStackTrace();
			msg = "Falhas ao acionar o atualizador";
		} 
		return "index.jsf";
	}
11:39:09,507 ERROR [STDERR] javax.management.MBeanException
11:39:09,507 ERROR [STDERR]     at org.jboss.ejb3.service.ServiceMBeanDelegate.invoke(ServiceMBeanDelegate.java:219)
11:39:09,507 ERROR [STDERR]     at org.jboss.mx.server.RawDynamicInvoker.invoke(RawDynamicInvoker.java:164)
11:39:09,507 ERROR [STDERR]     at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:668)
11:39:09,507 ERROR [STDERR]     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
11:39:09,507 ERROR [STDERR]     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
11:39:09,507 ERROR [STDERR]     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
11:39:09,507 ERROR [STDERR]     at java.lang.reflect.Method.invoke(Method.java:597)
11:39:09,507 ERROR [STDERR]     at org.jboss.jmx.connector.invoker.InvokerAdaptorService.invoke(InvokerAdaptorService.java:263)
11:39:09,507 ERROR [STDERR]     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
11:39:09,507 ERROR [STDERR]     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
11:39:09,507 ERROR [STDERR]     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
11:39:09,507 ERROR [STDERR]     at java.lang.reflect.Method.invoke(Method.java:597)
11:39:09,507 ERROR [STDERR]     at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:157)
11:39:09,507 ERROR [STDERR]     at org.jboss.mx.server.Invocation.dispatch(Invocation.java:96)
11:39:09,507 ERROR [STDERR]     at org.jboss.mx.interceptor.AbstractInterceptor.invoke(AbstractInterceptor.java:138)
11:39:09,508 ERROR [STDERR]     at org.jboss.mx.server.Invocation.invoke(Invocation.java:90)
11:39:09,508 ERROR [STDERR]     at org.jboss.mx.interceptor.ModelMBeanOperationInterceptor.invoke(ModelMBeanOperationInterceptor.java:140)
11:39:09,508 ERROR [STDERR]     at org.jboss.jmx.connector.invoker.SerializableInterceptor.invoke(SerializableInterceptor.java:74)
11:39:09,508 ERROR [STDERR]     at org.jboss.mx.server.Invocation.invoke(Invocation.java:90)
11:39:09,508 ERROR [STDERR]     at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
11:39:09,508 ERROR [STDERR]     at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:668)
11:39:09,508 ERROR [STDERR]     at org.jboss.invocation.jrmp.server.JRMPProxyFactory.invoke(JRMPProxyFactory.java:180)
11:39:09,508 ERROR [STDERR]     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
11:39:09,508 ERROR [STDERR]     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
11:39:09,508 ERROR [STDERR]     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
11:39:09,508 ERROR [STDERR]     at java.lang.reflect.Method.invoke(Method.java:597)
11:39:09,508 ERROR [STDERR]     at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:157)
11:39:09,508 ERROR [STDERR]     at org.jboss.mx.server.Invocation.dispatch(Invocation.java:96)
11:39:09,508 ERROR [STDERR]     at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
11:39:09,508 ERROR [STDERR]     at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
11:39:09,508 ERROR [STDERR]     at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:668)
11:39:09,508 ERROR [STDERR]     at org.jboss.invocation.local.LocalInvoker$MBeanServerAction.invoke(LocalInvoker.java:169)
11:39:09,508 ERROR [STDERR]     at org.jboss.invocation.local.LocalInvoker.invoke(LocalInvoker.java:118)
11:39:09,508 ERROR [STDERR]     at org.jboss.invocation.InvokerInterceptor.invokeLocal(InvokerInterceptor.java:209)
11:39:09,508 ERROR [STDERR]     at org.jboss.invocation.InvokerInterceptor.invoke(InvokerInterceptor.java:195)
11:39:09,508 ERROR [STDERR]     at org.jboss.jmx.connector.invoker.client.InvokerAdaptorClientInterceptor.invoke(InvokerAdaptorClientInterceptor.java:66)
11:39:09,508 ERROR [STDERR]     at org.jboss.proxy.SecurityInterceptor.invoke(SecurityInterceptor.java:68)
11:39:09,508 ERROR [STDERR]     at org.jboss.proxy.ClientMethodInterceptor.invoke(ClientMethodInterceptor.java:74)
11:39:09,508 ERROR [STDERR]     at org.jboss.proxy.ClientContainer.invoke(ClientContainer.java:101)
11:39:09,508 ERROR [STDERR]     at $Proxy319.invoke(Unknown Source)
11:39:09,508 ERROR [STDERR]     at br.com.sg3.common.server.managedbeans.MBUpdate.startUpdate(MBUpdate.java:31)
11:39:09,508 ERROR [STDERR]     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
11:39:09,508 ERROR [STDERR]     at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
11:39:09,508 ERROR [STDERR]     at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
11:39:09,508 ERROR [STDERR]     at java.lang.reflect.Method.invoke(Method.java:597)
11:39:09,508 ERROR [STDERR]     at org.apache.el.parser.AstValue.invoke(AstValue.java:170)
11:39:09,508 ERROR [STDERR]     at org.apache.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:276)
11:39:09,508 ERROR [STDERR]     at com.sun.faces.facelets.el.TagMethodExpression.invoke(TagMethodExpression.java:102)
11:39:09,508 ERROR [STDERR]     at javax.faces.component.MethodBindingMethodExpressionAdapter.invoke(MethodBindingMethodExpressionAdapter.java:84)
11:39:09,508 ERROR [STDERR]     at com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:98)
11:39:09,508 ERROR [STDERR]     at javax.faces.component.UICommand.broadcast(UICommand.java:311)
11:39:09,508 ERROR [STDERR]     at javax.faces.component.UIViewRoot.broadcastEvents(UIViewRoot.java:781)
11:39:09,508 ERROR [STDERR]     at javax.faces.component.UIViewRoot.processApplication(UIViewRoot.java:1246)
11:39:09,508 ERROR [STDERR]     at com.sun.faces.lifecycle.InvokeApplicationPhase.execute(InvokeApplicationPhase.java:77)
11:39:09,508 ERROR [STDERR]     at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:97)
11:39:09,508 ERROR [STDERR]     at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:114)
11:39:09,508 ERROR [STDERR]     at javax.faces.webapp.FacesServlet.service(FacesServlet.java:308)
11:39:09,508 ERROR [STDERR]     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
11:39:09,508 ERROR [STDERR]     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
11:39:09,508 ERROR [STDERR]     at br.com.sg3.common.server.managedbeans.FilterSecurity.doFilter(FilterSecurity.java:72)
11:39:09,508 ERROR [STDERR]     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
11:39:09,508 ERROR [STDERR]     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
11:39:09,508 ERROR [STDERR]     at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96)
11:39:09,508 ERROR [STDERR]     at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
11:39:09,508 ERROR [STDERR]     at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
11:39:09,509 ERROR [STDERR]     at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:235)
11:39:09,509 ERROR [STDERR]     at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
11:39:09,509 ERROR [STDERR]     at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:190)
11:39:09,509 ERROR [STDERR]     at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:92)
11:39:09,509 ERROR [STDERR]     at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.process(SecurityContextEstablishmentValve.java:126)
11:39:09,509 ERROR [STDERR]     at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.invoke(SecurityContextEstablishmentValve.java:70)
11:39:09,509 ERROR [STDERR]     at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
11:39:09,509 ERROR [STDERR]     at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
11:39:09,509 ERROR [STDERR]     at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:158)
11:39:09,509 ERROR [STDERR]     at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
11:39:09,509 ERROR [STDERR]     at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:330)
11:39:09,509 ERROR [STDERR]     at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:829)
11:39:09,509 ERROR [STDERR]     at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:598)
11:39:09,509 ERROR [STDERR]     at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447)
11:39:09,509 ERROR [STDERR]     at java.lang.Thread.run(Thread.java:662)
11:39:09,509 ERROR [STDERR] Caused by: java.lang.RuntimeException: Could not find method for operation 'transaction' on br.sg3.server.ServerCentral
11:39:09,509 ERROR [STDERR]     at org.jboss.ejb3.service.ServiceMBeanDelegate.getOperation(ServiceMBeanDelegate.java:425)
11:39:09,509 ERROR [STDERR]     at org.jboss.ejb3.service.ServiceMBeanDelegate.invoke(ServiceMBeanDelegate.java:214)
11:39:09,509 ERROR [STDERR]     ... 79 more