Java.lang.NoClassDefFoundError:

Prezados, bom dia.

Sou iniciante em desenvolvimento JavaWeb e estou com um erro que não consigo solucionar. Tenho uma classe que é compilada mais a aplicação não a reconhece. Na hora em que eu preciso instanciar um objeto desta classe ICOPU730FillerOut aparece target null e em seguida estoura o erro abaixo: Desde já agradeço pela ajuda de todos.

java.lang.NoClassDefFoundError: br/gov/caixa/siico/cics/vo/ICOPU730FillerOut
	at br.gov.caixa.siico.cics.dao.impl.ICOPU730CicsDAOImpl.listar(ICOPU730CicsDAOImpl.java:23)
	at br.gov.caixa.siico.localidade.service.impl.UnidadeFedServiceImpl.listar(UnidadeFedServiceImpl.java:14)
	at br.gov.caixa.siico.localidade.managedbean.MunicipioList.initialize(MunicipioList.java:50)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at org.jboss.as.ee.component.ManagedReferenceLifecycleMethodInterceptorFactory$ManagedReferenceLifecycleMethodInterceptor.processInvocation(ManagedReferenceLifecycleMethodInterceptorFactory.java:130)
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288)
	at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:53)
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288)
	at org.jboss.as.weld.injection.WeldInjectionInterceptor.processInvocation(WeldInjectionInterceptor.java:73)
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288)
	at org.jboss.as.ee.component.ManagedReferenceInterceptorFactory$ManagedReferenceInterceptor.processInvocation(ManagedReferenceInterceptorFactory.java:106)
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288)
	at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:53)
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288)
	at org.jboss.as.ee.component.TCCLInterceptor.processInvocation(TCCLInterceptor.java:45)
	at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288)
	at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61)
	at org.jboss.as.ee.component.BasicComponent.constructComponentInstance(BasicComponent.java:161)
	at org.jboss.as.ee.component.BasicComponent.createInstance(BasicComponent.java:95)
	at org.jboss.as.web.deployment.component.WebComponentInstantiator$2.<init>(WebComponentInstantiator.java:96)
	at org.jboss.as.web.deployment.component.WebComponentInstantiator.initializeInstance(WebComponentInstantiator.java:94)
	at org.jboss.as.web.deployment.WebInjectionContainer.newInstance(WebInjectionContainer.java:88)
	at org.jboss.as.jsf.injection.JSFInjectionProvider.invokePostConstruct(JSFInjectionProvider.java:65)
	at com.sun.faces.mgbean.BeanBuilder.invokePostConstruct(BeanBuilder.java:223)
	at com.sun.faces.mgbean.BeanBuilder.build(BeanBuilder.java:105)
	at com.sun.faces.mgbean.BeanManager.createAndPush(BeanManager.java:408)
	at com.sun.faces.mgbean.BeanManager.create(BeanManager.java:268)
	at com.sun.faces.el.ManagedBeanELResolver.resolveBean(ManagedBeanELResolver.java:244)
	at com.sun.faces.el.ManagedBeanELResolver.getValue(ManagedBeanELResolver.java:116)
	at com.sun.faces.el.DemuxCompositeELResolver._getValue(DemuxCompositeELResolver.java:176)
	at com.sun.faces.el.DemuxCompositeELResolver.getValue(DemuxCompositeELResolver.java:203)
	at org.apache.el.parser.AstIdentifier.getValue(AstIdentifier.java:72)
	at org.apache.el.parser.AstValue.getValue(AstValue.java:144)
	at org.apache.el.ValueExpressionImpl.getValue(ValueExpressionImpl.java:189)
	at org.jboss.weld.el.WeldValueExpression.getValue(WeldValueExpression.java:50)
	at com.sun.faces.facelets.el.TagValueExpression.getValue(TagValueExpression.java:109)
	at javax.faces.component.ComponentStateHelper.eval(ComponentStateHelper.java:194)
	at javax.faces.component.ComponentStateHelper.eval(ComponentStateHelper.java:182)
	at javax.faces.component.UIOutput.getValue(UIOutput.java:170)
	at com.sun.faces.renderkit.html_basic.MenuRenderer.getCurrentSelectedValues(MenuRenderer.java:647)
	at com.sun.faces.renderkit.html_basic.MenuRenderer.renderOptions(MenuRenderer.java:748)
	at com.sun.faces.renderkit.html_basic.MenuRenderer.renderSelect(MenuRenderer.java:843)
	at com.sun.faces.renderkit.html_basic.MenuRenderer.encodeEnd(MenuRenderer.java:297)
	at javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:881)
	at org.primefaces.renderkit.CoreRenderer.renderChild(CoreRenderer.java:63)
	at org.primefaces.renderkit.CoreRenderer.renderChildren(CoreRenderer.java:47)
	at org.primefaces.component.outputpanel.OutputPanelRenderer.encodeEnd(OutputPanelRenderer.java:46)
	at javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:881)
	at org.primefaces.renderkit.CoreRenderer.renderChild(CoreRenderer.java:63)
	at org.primefaces.renderkit.CoreRenderer.renderChildren(CoreRenderer.java:47)
	at org.primefaces.component.outputpanel.OutputPanelRenderer.encodeEnd(OutputPanelRenderer.java:46)
	at javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:881)
	at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1786)
	at javax.faces.render.Renderer.encodeChildren(Renderer.java:168)
	at javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:851)
	at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1779)
	at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1782)
	at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1782)
	at com.sun.faces.application.view.FaceletViewHandlingStrategy.renderView(FaceletViewHandlingStrategy.java:439)
	at com.sun.faces.application.view.MultiViewHandler.renderView(MultiViewHandler.java:124)
	at javax.faces.application.ViewHandlerWrapper.renderView(ViewHandlerWrapper.java:286)
	at com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:120)
	at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101)
	at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:139)
	at javax.faces.webapp.FacesServlet.service(FacesServlet.java:594)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:295)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:214)
	at br.gov.caixa.siico.filtro.SiicoFilter.doFilter(SiicoFilter.java:60)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:246)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:214)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:230)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:149)
	at org.jboss.as.web.security.SecurityContextAssociationValve.invoke(SecurityContextAssociationValve.java:169)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:145)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:97)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:102)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:336)
	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:856)
	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:653)
	at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:920)
	at java.lang.Thread.run(Thread.java:662)

Você deve colocar a dependência JAR que possui a classe ICOPU730FillerOut no classpath do seu projeto.

O erro diz que “a definição da classe não foi encontrada”, no caso, a classe ICOPU730FillerOut.