javax xml bind UnmarshalException unexpected element Expected elements are none

Question

I am getting this error  while unmarshalling a string  I have created Java files using JAXB   JAXBContext jaxbContext   JAXBContext newInstance DocumentType class   Unmarshaller unmarshaller   jaxbContext createUnmarshaller       Input string posted below DocumentType dType    DocumentType  unmarshaller unmarshal new StringReader  input string       Stack trace   Exception in thread  main  javax xml bind UnmarshalException  unexpected element  uri  http   ocrsdk com schema recognizedBusinessCard-1 0 xsd   local  document    Expected elements are  none      at com sun xml internal bind v2 runtime unmarshaller UnmarshallingContext handleEvent UnmarshallingContext java 647      at com sun xml internal bind v2 runtime unmarshaller Loader reportError Loader java 243      at com sun xml internal bind v2 runtime unmarshaller Loader reportError Loader java 238      at com sun xml internal bind v2 runtime unmarshaller Loader reportUnexpectedChildElement Loader java 105      at com sun xml internal bind v2 runtime unmarshaller UnmarshallingContext DefaultRootLoader childElement UnmarshallingContext java 1048      at com sun xml internal bind v2 runtime unmarshaller UnmarshallingContext  startElement UnmarshallingContext java 483      at com sun xml internal bind v2 runtime unmarshaller UnmarshallingContext startElement UnmarshallingContext java 465      at com sun xml internal bind v2 runtime unmarshaller SAXConnector startElement SAXConnector java 135      at com sun org apache xerces internal parsers AbstractSAXParser startElement AbstractSAXParser java 506      at com sun org apache xerces internal impl XMLNSDocumentScannerImpl scanStartElement XMLNSDocumentScannerImpl java 376      at com sun org apache xerces internal impl XMLNSDocumentScannerImpl NSContentDriver scanRootElementHook XMLNSDocumentScannerImpl java 602      at com sun org apache xerces internal impl XMLDocumentFragmentScannerImpl FragmentContentDriver next XMLDocumentFragmentScannerImpl java 3065      at com sun org apache xerces internal impl XMLDocumentScannerImpl PrologDriver next XMLDocumentScannerImpl java 881      at com sun org apache xerces internal impl XMLDocumentScannerImpl next XMLDocumentScannerImpl java 607      at com sun org apache xerces internal impl XMLNSDocumentScannerImpl next XMLNSDocumentScannerImpl java 116      at com sun org apache xerces internal impl XMLDocumentFragmentScannerImpl scanDocument XMLDocumentFragmentScannerImpl java 489      at com sun org apache xerces internal parsers XML11Configuration parse XML11Configuration java 835      at com sun org apache xerces internal parsers XML11Configuration parse XML11Configuration java 764      at com sun org apache xerces internal parsers XMLParser parse XMLParser java 123      at com sun org apache xerces internal parsers AbstractSAXParser parse AbstractSAXParser java 1210      at com sun org apache xerces internal jaxp SAXParserImpl JAXPSAXParser parse SAXParserImpl java 568      at com sun xml internal bind v2 runtime unmarshaller UnmarshallerImpl unmarshal0 UnmarshallerImpl java 203      at com sun xml internal bind v2 runtime unmarshaller UnmarshallerImpl unmarshal UnmarshallerImpl java 175      at javax xml bind helpers AbstractUnmarshallerImpl unmarshal AbstractUnmarshallerImpl java 157      at javax xml bind helpers AbstractUnmarshallerImpl unmarshal AbstractUnmarshallerImpl java 214      at JaxbTest main JaxbTest java 19    XSD    lt  xml version  1 0  encoding  UTF-8   gt   lt xs schema targetNamespace  http   ocrsdk com schema recognizedBusinessCard-1 0 xsd      xmlns xs  http   www w3 org 2001 XMLSchema  xmlns tns  http   ocrsdk com schema recognizedBusinessCard-1 0 xsd      elementFormDefault  qualified  gt        lt xs element name  document  type  tns documentType  gt  lt  xs element gt        lt xs complexType name  documentType  gt           lt xs sequence gt               lt xs element name  businessCard  type  tns businessCardType  minOccurs  0  maxOccurs  1  gt  lt  xs element gt           lt  xs sequence gt       lt  xs complexType gt        lt xs complexType name  businessCardType  gt           lt xs sequence gt               lt xs element name  field  type  tns fieldType  minOccurs  0  maxOccurs  unbounded  gt  lt  xs element gt           lt  xs sequence gt       lt  xs complexType gt        lt xs complexType name  fieldType  gt           lt xs sequence gt               lt xs element name  value  type  xs string  minOccurs  1  maxOccurs  1  gt               lt  xs element gt               lt xs element name  characters  type  tns charactersType  minOccurs  0  maxOccurs  1  gt  lt  xs element gt               lt xs element name  fieldComponents  type  tns fieldComponentsType  minOccurs  0  maxOccurs  1  gt  lt  xs element gt           lt  xs sequence gt           lt xs attribute name  type  type  tns typeType  gt  lt  xs attribute gt       lt  xs complexType gt        lt xs simpleType name  typeType  gt           lt xs restriction base  xs string  gt               lt xs enumeration value  Name  gt  lt  xs enumeration gt               lt xs enumeration value  Phone  gt  lt  xs enumeration gt               lt xs enumeration value  Mobile  gt  lt  xs enumeration gt               lt xs enumeration value  Fax  gt  lt  xs enumeration gt               lt xs enumeration value  Company  gt  lt  xs enumeration gt               lt xs enumeration value  Job  gt  lt  xs enumeration gt               lt xs enumeration value  Address  gt  lt  xs enumeration gt               lt xs enumeration value  Email  gt  lt  xs enumeration gt               lt xs enumeration value  Web  gt  lt  xs enumeration gt               lt xs enumeration value  Text  gt  lt  xs enumeration gt           lt  xs restriction gt       lt  xs simpleType gt        lt xs complexType name  charactersType  gt           lt xs sequence gt               lt xs element name  char  type  tns charType  minOccurs  0  maxOccurs  unbounded  gt  lt  xs element gt           lt  xs sequence gt       lt  xs complexType gt        lt xs complexType name  charType  gt           lt xs simpleContent gt               lt xs extension base  xs string  gt                   lt xs attribute name  suspicious  type  xs boolean  use  optional  gt  lt  xs attribute gt               lt  xs extension gt           lt  xs simpleContent gt       lt  xs complexType gt        lt xs complexType name  fieldComponentsType  gt         lt xs sequence gt           lt xs element name  fieldComponent  type  tns fieldComponentType  minOccurs  0  maxOccurs  unbounded  gt  lt  xs element gt         lt  xs sequence gt       lt  xs complexType gt         lt xs complexType name  fieldComponentType  gt         lt xs sequence gt           lt xs element name  value  type  xs string  minOccurs  1  maxOccurs  1  gt           lt  xs element gt         lt  xs sequence gt         lt xs attribute name  type  type  tns fieldComponentTypeType  gt  lt  xs attribute gt       lt  xs complexType gt        lt xs simpleType name  fieldComponentTypeType  gt         lt xs restriction base  xs string  gt           lt xs enumeration value  FirstName  gt  lt  xs enumeration gt           lt xs enumeration value  MiddleName  gt  lt  xs enumeration gt           lt xs enumeration value  LastName  gt  lt  xs enumeration gt           lt xs enumeration value  ExtraName  gt  lt  xs enumeration gt           lt xs enumeration value  PhonePrefix  gt  lt  xs enumeration gt           lt xs enumeration value  PhoneCountryCode  gt  lt  xs enumeration gt           lt xs enumeration value  PhoneCode  gt  lt  xs enumeration gt           lt xs enumeration value  PhoneBody  gt  lt  xs enumeration gt           lt xs enumeration value  PhoneExtension  gt  lt  xs enumeration gt           lt xs enumeration value  ZipCode  gt  lt  xs enumeration gt           lt xs enumeration value  Country  gt  lt  xs enumeration gt           lt xs enumeration value  City  gt  lt  xs enumeration gt           lt xs enumeration value  StreetAddress  gt  lt  xs enumeration gt           lt xs enumeration value  JobPosition  gt  lt  xs enumeration gt           lt xs enumeration value  JobDepartment  gt  lt  xs enumeration gt         lt  xs restriction gt       lt  xs simpleType gt    lt  xs schema gt    Input string    lt  xml version  1 0  encoding  utf-8  standalone  yes   gt   lt document xmlns xsi  http   www w3 org 2001 XMLSchema-instance  xsi schemaLocation  http   ocrsdk com schema recognizedBusinessCard-1 0 xsd http   ocrsdk com schema recognizedBusinessCard-1 0 xsd  xmlns  http   ocrsdk com schema recognizedBusinessCard-1 0 xsd  gt   lt businessCard gt   lt field type  Phone  gt     lt value gt 783-37-00 lt  value gt   lt  field gt   lt field type  Phone  gt     lt value gt 783-37-01 lt  value gt   lt  field gt   lt field type  Fax  gt     lt value gt 783-26-63 lt  value gt   lt  field gt   lt field type  Email  gt     lt value gt john sm abbyy com lt  value gt   lt  field gt   lt field type  Web  gt     lt value gt www abbyy com lt  value gt   lt  field gt   lt field type  Address  gt     lt value gt Otradnaya str   2b  bld 6  127273  Moscow  Russia lt  value gt   lt  field gt   lt field type  Name  gt     lt value gt John Smith lt  value gt   lt  field gt   lt field type  Company  gt     lt value gt ABBYY Headquarters lt  value gt   lt  field gt   lt field type  Job  gt     lt value gt Product Analyst lt  value gt   lt  field gt   lt field type  Text  gt     lt value gt ABBYY ABBYY Headquarters John Smith Product Analyst ABBYY Headquarters Otradnaya str   2b  bld 6  127273  Moscow  Russia Tel  783-37-00 Fax  783-26-63 john sm abbyy com www abbyy com  lt  value gt   lt  field gt   lt  businessCard gt   lt  document gt

User · Answer

When you generate a JAXB model from an XML Schema, global elements that correspond to named complex types will have that metadata captured as an @XmlElementDecl annotation on a create method in the ObjectFactory class. Since you are creating the JAXBContext on just the DocumentType class this metadata isn't being processed. If you generated your JAXB model from an XML Schema then you should create the JAXBContext on the generated package name or ObjectFactory class to ensure all the necessary metadata is processed.

Example solution:

JAXBContext jaxbContext = JAXBContext.newInstance(my.generatedschema.dir.ObjectFactory.class);
DocumentType documentType = ((JAXBElement<DocumentType>) jaxbContext.createUnmarshaller().unmarshal(inputStream)).getValue();

User · Answer

Alternatively if you want to persist in using the DocumentType class  Then you could just add the following annotation on top of your DocumentType class        XmlRootElement name  document     Note  the String value  document  refers to the name of the root tag of the xml message

User · Answer

One of the reasons for this error is the use of the jaxb implementation from the jdk  I am not sure why such a problem can appear in pretty simple xml parsing situations  You may use the latest version of the jaxb library from a public maven repository   http   mvnrepository com   lt dependency gt       lt groupId gt javax xml bind lt  groupId gt       lt artifactId gt jaxb-api lt  artifactId gt       lt version gt 2 2 12 lt  version gt   lt  dependency gt

User · Answer

In our case we were getting UnmarshalException because a wrong Java package was specified in the following  The issue was resolved once the right package was in place    Bean public Unmarshaller tmsUnmarshaller         final Jaxb2Marshaller jaxb2Marshaller   new Jaxb2Marshaller        jaxb2Marshaller              setPackagesToScan  java package to generated java classes for xsd        return jaxb2Marshaller

[java] javax.xml.bind.UnmarshalException: unexpected element. Expected elements are (none)

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