I'am using Ireport 4.7 I created my report, it work correcty in ireport but when i try to launch in JasperReport Server, the following error occur : com.jaspersoft.jasperserver.api.JSExceptionWrapper: org.xml.sax.SAXParseException: cvc-complex-type.3.2.2: Attribute 'uuid' is not allowed to appear in element 'jasperReport'.