{
    "error": {
        "message": "[Could not write JSON: Direct self-reference leading to cycle (through reference chain: java.util.ArrayList[0]->org.openmrs.module.procedureorder.models.OrderSetExt[\"creator\"]->org.openmrs.User[\"creator\"]); nested exception is org.codehaus.jackson.map.JsonMappingException: Direct self-reference leading to cycle (through reference chain: java.util.ArrayList[0]->org.openmrs.module.procedureorder.models.OrderSetExt[\"creator\"]->org.openmrs.User[\"creator\"])]",
        "code": "org.springframework.http.converter.json.MappingJacksonHttpMessageConverter:204",
        "detail": "org.springframework.http.converter.HttpMessageNotWritableException: Could not write JSON: Direct self-reference leading to cycle (through reference chain: java.util.ArrayList[0]->org.openmrs.module.procedureorder.models.OrderSetExt[\"creator\"]->org.openmrs.User[\"creator\"]); nested exception is org.codehaus.jackson.map.JsonMappingException: Direct self-reference leading to cycle (through reference chain: java.util.ArrayList[0]->org.openmrs.module.procedureorder.models.OrderSetExt[\"creator\"]->org.openmrs.User[\"creator\"])\n\tat org.springframework.http.converter.json.MappingJacksonHttpMessageConverter.writeInternal(MappingJacksonHttpMessageConverter.java:204)\n\tat org.springframework.http.converter.AbstractHttpMessageConverter.write(AbstractHttpMessageConverter.java:208)\n\tat org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter$ServletHandlerMethodInvoker.writeWithMessageConverters(AnnotationMethodHandlerAdapter.java:1044)\n\tat org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter$ServletHandlerMethodInvoker.handleResponseBody(AnnotationMethodHandlerAdapter.java:1002)\n\tat org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter$ServletHandlerMethodInvoker.getModelAndView(AnnotationMethodHandlerAdapter.java:951)\n\tat org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.invokeHandlerMethod(AnnotationMethodHandlerAdapter.java:448)\n\tat org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.handle(AnnotationMethodHandlerAdapter.java:434)\n\tat org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:943)\n\tat org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:877)\n\tat org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:966)\n\tat org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:857)\n\tat javax.servlet.http.HttpServlet.service(HttpServlet.java:624)\n\tat org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:842)\n\tat javax.servlet.http.HttpServlet.service(HttpServlet.java:731)\n\tat org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)\n\tat org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)\n\tat org.openmrs.module.web.filter.ForcePasswordChangeFilter.doFilter(ForcePasswordChangeFilter.java:60)\n\tat org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)\n\tat org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)\n\tat org.openmrs.module.web.filter.ModuleFilterChain.doFilter(ModuleFilterChain.java:72)\n\tat org.openmrs.web.filter.GZIPFilter.doFilterInternal(GZIPFilter.java:64)\n\tat org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)\n\tat org.openmrs.module.web.filter.ModuleFilterChain.doFilter(ModuleFilterChain.java:70)\n\tat org.openmrs.module.webservices.rest.web.filter.AuthorizationFilter.doFilter(AuthorizationFilter.java:105)\n\tat org.openmrs.module.web.filter.ModuleFilterChain.doFilter(ModuleFilterChain.java:70)\n\tat org.openmrs.module.webservices.rest.web.filter.ContentTypeFilter.doFilter(ContentTypeFilter.java:64)\n\tat org.openmrs.module.web.filter.ModuleFilterChain.doFilter(ModuleFilterChain.java:70)\n\tat org.springframework.web.filter.ShallowEtagHeaderFilter.doFilterInternal(ShallowEtagHeaderFilter.java:82)\n\tat org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)\n\tat org.openmrs.module.web.filter.ModuleFilterChain.doFilter(ModuleFilterChain.java:70)\n\tat org.openmrs.module.owa.filter.OwaFilter.doFilter(OwaFilter.java:57)\n\tat org.openmrs.module.web.filter.ModuleFilterChain.doFilter(ModuleFilterChain.java:70)\n\tat org.openmrs.module.web.filter.ModuleFilter.doFilter(ModuleFilter.java:54)\n\tat org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)\n\tat org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)\n\tat org.openmrs.web.filter.OpenmrsFilter.doFilterInternal(OpenmrsFilter.java:108)\n\tat org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)\n\tat org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)\n\tat org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)\n\tat org.springframework.orm.hibernate4.support.OpenSessionInViewFilter.doFilterInternal(OpenSessionInViewFilter.java:150)\n\tat org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)\n\tat org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)\n\tat org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)\n\tat org.openmrs.web.filter.StartupFilter.doFilter(StartupFilter.java:105)\n\tat org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)\n\tat org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)\n\tat org.openmrs.web.filter.StartupFilter.doFilter(StartupFilter.java:105)\n\tat org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)\n\tat org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)\n\tat org.openmrs.web.filter.StartupFilter.doFilter(StartupFilter.java:105)\n\tat org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)\n\tat org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)\n\tat org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)\n\tat org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)\n\tat org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)\n\tat org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)\n\tat org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220)\n\tat org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)\n\tat org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:505)\n\tat org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:169)\n\tat org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)\n\tat org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)\n\tat org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:423)\n\tat org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1079)\n\tat org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:625)\n\tat org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:318)\n\tat java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)\n\tat java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)\n\tat org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)\n\tat java.lang.Thread.run(Thread.java:748)\nCaused by: org.codehaus.jackson.map.JsonMappingException: Direct self-reference leading to cycle (through reference chain: java.util.ArrayList[0]->org.openmrs.module.procedureorder.models.OrderSetExt[\"creator\"]->org.openmrs.User[\"creator\"])\n\tat org.codehaus.jackson.map.ser.BeanPropertyWriter._reportSelfReference(BeanPropertyWriter.java:491)\n\tat org.codehaus.jackson.map.ser.BeanPropertyWriter.serializeAsField(BeanPropertyWriter.java:429)\n\tat org.codehaus.jackson.map.ser.std.BeanSerializerBase.serializeFields(BeanSerializerBase.java:150)\n\tat org.codehaus.jackson.map.ser.BeanSerializer.serialize(BeanSerializer.java:112)\n\tat org.codehaus.jackson.map.ser.BeanPropertyWriter.serializeAsField(BeanPropertyWriter.java:446)\n\tat org.codehaus.jackson.map.ser.std.BeanSerializerBase.serializeFields(BeanSerializerBase.java:150)\n\tat org.codehaus.jackson.map.ser.BeanSerializer.serialize(BeanSerializer.java:112)\n\tat org.codehaus.jackson.map.ser.std.StdContainerSerializers$IndexedListSerializer.serializeContents(StdContainerSerializers.java:122)\n\tat org.codehaus.jackson.map.ser.std.StdContainerSerializers$IndexedListSerializer.serializeContents(StdContainerSerializers.java:71)\n\tat org.codehaus.jackson.map.ser.std.AsArraySerializerBase.serialize(AsArraySerializerBase.java:86)\n\tat org.codehaus.jackson.map.ser.StdSerializerProvider._serializeValue(StdSerializerProvider.java:610)\n\tat org.codehaus.jackson.map.ser.StdSerializerProvider.serializeValue(StdSerializerProvider.java:256)\n\tat org.codehaus.jackson.map.ObjectMapper.writeValue(ObjectMapper.java:1613)\n\tat org.springframework.http.converter.json.MappingJacksonHttpMessageConverter.writeInternal(MappingJacksonHttpMessageConverter.java:201)\n\t... 69 more\n"
    }
}