Esse erro acontece quando vou jogar o War no servidor
Error occurred during deployment: Exception while loading the app : java.lang.IllegalStateException: ContainerBase.addChild: start: org.apache.catalina.LifecycleException: java.lang.RuntimeException: java.lang.NoClassDefFoundError: net/sf/jasperreports/engine/JRExporterParameter. Please see server.log for more details.