Hi, I follow this tutorial. How can i solve this? Error Message: javax.servlet.ServletException: Filter [characterEncodingProxyFilter]: could not be initializedError Code: 500Target Servlet: com.ibm.ws.webcontainer.extension.DefaultExtensionProcessorError Stack:org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'settingsJaxrsService': Injection of resource dependencies failed; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'jacksonMapperProvider' defined in URL [wsjar:file:/home/alessandro/IBM/WebSphere/AppServer/profiles/AppSrv02/installedApps/alessandrovmNode01Cell/jasperserver.ear/jasperserver.war/WEB-INF/lib/jasperserver-jax-rs-rest-5.6.1.jar!/com/jaspersoft/jasperserver/jaxrs/common/JacksonMapperProvider.class]: Instantiation of bean failed; nested exception is org.springframework.beans.BeanInstantiationException: Could not instantiate bean class [com.jaspersoft.jasperserver.jaxrs.common.JacksonMapperProvider]: Constructor threw exception; nested exception is java.lang.NoSuchMethodError: org/codehaus/jackson/map/ObjectMapper.setAnnotationIntrospector(Lorg/codehaus/jackson/map/AnnotationIntrospector;)Lorg/codehaus/jackson/map/ObjectMapper; Thanks