Jeremy, it's a known issue and it's a hard one to track down. I've searched through the net and I've seen people reporting it as a bug in xstream and advising to upgrade the lib. What seems to help is restarting openmrs though. If you can, please create an issue in JIRA for mds and paste the stack trace. I forgot to save the stack trace myself and I couldn't reproduce the exception either.
saveConcept is triggered because we add missing mappings to concepts while exporting. See the Concept Source paragraph in the User's Guide [0]. [0] https://wiki.openmrs.org/display/docs/User%27s+Guide+for+Metadata+Sharing+Module#User%27sGuideforMetadataSharingModule-ConceptSource -Rafal On 15 September 2011 20:48, Jeremy Keiper <[email protected]> wrote: > I got the following stacktrace from Metadata Sharing Module 0.10 after > trying to export a package with a single Form in it. The form had several > FormFields, Concepts, Drugs, etc hooked into it, a total of 750+ objects. > Is this something that belongs in a ticket, or does it simply require some > data cleanup on my side? > Also, I have another question: I saw several saveConcept() calls during > package creation. Sync was triggered many times due to that, and I wonder, > what exactly is happening during those saveConcept() calls? Is anything > changing? Thanks! > =================================== > > An Internal Error has Occurred > > com.thoughtworks.xstream.core.AbstractReferenceMarshaller$ReferencedImplicitElementException > > Cannot reference implicit element > ---- Debugging information ---- > implicit-element : > referencing-element : > /list/org.openmrs.Form/formFields/org.openmrs.FormField[125]/field/concept/names/org.openmrs.ConceptName/concept > ------------------------------- > > Consult the help document. > Contact your friendly neighborhood administrator if it cannot be resolved. > > Hide stack trace > com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:58) > com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:78) > com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.marshallField(AbstractReflectionConverter.java:157) > com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter$2.writeField(AbstractReflectionConverter.java:148) > com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter$2.visit(AbstractReflectionConverter.java:118) > com.thoughtworks.xstream.converters.reflection.PureJavaReflectionProvider.visitSerializableFields(PureJavaReflectionProvider.java:129) > com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.doMarshal(AbstractReflectionConverter.java:100) > com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.marshal(AbstractReflectionConverter.java:58) > org.openmrs.module.metadatasharing.serializer.converter.OpenmrsObjectConverter.marshal(OpenmrsObjectConverter.java:50) > com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:68) > com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:78) > com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:63) > com.thoughtworks.xstream.converters.collections.AbstractCollectionConverter.writeItem(AbstractCollectionConverter.java:64) > com.thoughtworks.xstream.converters.collections.CollectionConverter.marshal(CollectionConverter.java:55) > org.openmrs.module.metadatasharing.serializer.converter.HibernatePersistentCollectionConverter.marshal(HibernatePersistentCollectionConverter.java:93) > com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:68) > com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:78) > com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.marshallField(AbstractReflectionConverter.java:157) > com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter$2.writeField(AbstractReflectionConverter.java:148) > com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter$2.visit(AbstractReflectionConverter.java:118) > com.thoughtworks.xstream.converters.reflection.PureJavaReflectionProvider.visitSerializableFields(PureJavaReflectionProvider.java:129) > com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.doMarshal(AbstractReflectionConverter.java:100) > com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.marshal(AbstractReflectionConverter.java:58) > org.openmrs.module.metadatasharing.serializer.converter.OpenmrsObjectConverter.marshal(OpenmrsObjectConverter.java:50) > com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:68) > com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:78) > com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:63) > com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.marshal(AbstractReflectionConverter.java:56) > org.openmrs.module.metadatasharing.serializer.converter.OpenmrsObjectConverter.marshal(OpenmrsObjectConverter.java:50) > com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:68) > com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:78) > com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.marshallField(AbstractReflectionConverter.java:157) > com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter$2.writeField(AbstractReflectionConverter.java:148) > com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter$2.visit(AbstractReflectionConverter.java:118) > com.thoughtworks.xstream.converters.reflection.PureJavaReflectionProvider.visitSerializableFields(PureJavaReflectionProvider.java:129) > com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.doMarshal(AbstractReflectionConverter.java:100) > com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.marshal(AbstractReflectionConverter.java:58) > org.openmrs.module.metadatasharing.serializer.converter.OpenmrsObjectConverter.marshal(OpenmrsObjectConverter.java:50) > com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:68) > com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:78) > com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:63) > com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.marshal(AbstractReflectionConverter.java:56) > org.openmrs.module.metadatasharing.serializer.converter.OpenmrsObjectConverter.marshal(OpenmrsObjectConverter.java:50) > com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:68) > com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:78) > com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.marshallField(AbstractReflectionConverter.java:157) > com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter$2.writeField(AbstractReflectionConverter.java:148) > com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter$2.visit(AbstractReflectionConverter.java:118) > com.thoughtworks.xstream.converters.reflection.PureJavaReflectionProvider.visitSerializableFields(PureJavaReflectionProvider.java:129) > com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.doMarshal(AbstractReflectionConverter.java:100) > com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.marshal(AbstractReflectionConverter.java:58) > org.openmrs.module.metadatasharing.serializer.converter.OpenmrsObjectConverter.marshal(OpenmrsObjectConverter.java:50) > com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:68) > com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:78) > com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:63) > com.thoughtworks.xstream.converters.collections.AbstractCollectionConverter.writeItem(AbstractCollectionConverter.java:64) > com.thoughtworks.xstream.converters.collections.CollectionConverter.marshal(CollectionConverter.java:55) > org.openmrs.module.metadatasharing.serializer.converter.HibernatePersistentCollectionConverter.marshal(HibernatePersistentCollectionConverter.java:93) > com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:68) > com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:78) > com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.marshallField(AbstractReflectionConverter.java:157) > com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter$2.writeField(AbstractReflectionConverter.java:148) > com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter$2.visit(AbstractReflectionConverter.java:118) > com.thoughtworks.xstream.converters.reflection.PureJavaReflectionProvider.visitSerializableFields(PureJavaReflectionProvider.java:129) > com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.doMarshal(AbstractReflectionConverter.java:100) > com.thoughtworks.xstream.converters.reflection.AbstractReflectionConverter.marshal(AbstractReflectionConverter.java:58) > org.openmrs.module.metadatasharing.serializer.converter.OpenmrsObjectConverter.marshal(OpenmrsObjectConverter.java:50) > com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:68) > com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:78) > com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:63) > com.thoughtworks.xstream.converters.collections.AbstractCollectionConverter.writeItem(AbstractCollectionConverter.java:64) > com.thoughtworks.xstream.converters.collections.CollectionConverter.marshal(CollectionConverter.java:55) > com.thoughtworks.xstream.core.AbstractReferenceMarshaller.convert(AbstractReferenceMarshaller.java:68) > com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:78) > com.thoughtworks.xstream.core.TreeMarshaller.convertAnother(TreeMarshaller.java:63) > com.thoughtworks.xstream.core.TreeMarshaller.start(TreeMarshaller.java:98) > com.thoughtworks.xstream.core.AbstractTreeMarshallingStrategy.marshal(AbstractTreeMarshallingStrategy.java:38) > com.thoughtworks.xstream.XStream.marshal(XStream.java:837) > com.thoughtworks.xstream.XStream.marshal(XStream.java:826) > com.thoughtworks.xstream.XStream.toXML(XStream.java:801) > com.thoughtworks.xstream.XStream.toXML(XStream.java:789) > org.openmrs.module.metadatasharing.serializer.MetadataSerializer.serialize(MetadataSerializer.java:118) > org.openmrs.module.metadatasharing.wrapper.impl.MetadataExporterImpl.exportPackage(MetadataExporterImpl.java:92) > org.openmrs.module.metadatasharing.web.controller.MetadataSharingController.savePackage(MetadataSharingController.java:334) > sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) > java.lang.reflect.Method.invoke(Method.java:597) > org.springframework.web.bind.annotation.support.HandlerMethodInvoker.invokeHandlerMethod(HandlerMethodInvoker.java:176) > org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.invokeHandlerMethod(AnnotationMethodHandlerAdapter.java:426) > org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter.handle(AnnotationMethodHandlerAdapter.java:414) > org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:790) > org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:719) > org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:644) > org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:560) > javax.servlet.http.HttpServlet.service(HttpServlet.java:637) > javax.servlet.http.HttpServlet.service(HttpServlet.java:717) > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290) > org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) > org.openmrs.module.web.filter.ForcePasswordChangeFilter.doFilter(ForcePasswordChangeFilter.java:65) > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) > org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) > org.openmrs.module.web.filter.ModuleFilterChain.doFilter(ModuleFilterChain.java:76) > org.openmrs.module.xforms.web.XformsFilter.doFilter(XformsFilter.java:60) > org.openmrs.module.web.filter.ModuleFilterChain.doFilter(ModuleFilterChain.java:74) > org.openmrs.module.web.filter.ModuleFilter.doFilter(ModuleFilter.java:58) > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) > org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) > org.openmrs.web.filter.OpenmrsFilter.doFilterInternal(OpenmrsFilter.java:112) > org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76) > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) > org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) > org.springframework.orm.hibernate3.support.OpenSessionInViewFilter.doFilterInternal(OpenSessionInViewFilter.java:198) > org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76) > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) > org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) > org.openmrs.web.filter.StartupFilter.doFilter(StartupFilter.java:83) > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) > org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) > org.openmrs.web.filter.StartupFilter.doFilter(StartupFilter.java:83) > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) > org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) > org.openmrs.web.filter.StartupFilter.doFilter(StartupFilter.java:83) > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) > org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) > org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88) > org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76) > org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) > org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) > org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233) > org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191) > org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127) > org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) > org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) > org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298) > org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:859) > org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588) > org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489) > java.lang.Thread.run(Thread.java:662) > Jeremy Keiper > OpenMRS Core Developer > AMPATH / IU-Kenya Support > ________________________________ > Click here to unsubscribe from OpenMRS Developers' mailing list _________________________________________ To unsubscribe from OpenMRS Developers' mailing list, send an e-mail to [email protected] with "SIGNOFF openmrs-devel-l" in the body (not the subject) of your e-mail. 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