I can t understand why this JAXB IllegalAnnotationException is thrown

Question

This is my XML file   lt fields gt       lt field mappedField  quot Num quot  gt       lt  field gt            lt field mappedField  quot Type quot  gt             lt  field gt       lt  fields gt   I made 2 classes to parse it  Fields java and Field java    XmlRootElement name    quot fields quot   public class Fields         XmlElement name    quot field quot       List lt Field gt  fields   new ArrayList lt Field gt               getter  setter    and public class Field         XmlAttribute name    quot mappedField quot       String mappedField        getter setter    But I get this exception   INFO  com sun xml internal bind v2 runtime IllegalAnnotationsException  1 counts of IllegalAnnotationExceptions  INFO   at com sun xml internal bind v2 runtime IllegalAnnotationsException Builder check IllegalAnnotationsException java 66    na 1 6 0 07   INFO   at com sun xml internal bind v2 runtime JAXBContextImpl getTypeInfoSet JAXBContextImpl java 422    na 1 6 0 07   INFO   at com sun xml internal bind v2 runtime JAXBContextImpl  lt init gt  JAXBContextImpl java 270    na 1 6 0 07   I can t understand why this exception rises  Exception is here  JAXBContext context   JAXBContext newInstance Fields class    I use JDK 1 6 0 0 7   Thanks

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One of the following may cause the exception    Add an empty public constructor to your Fields class  JAXB uses reflection to load your classes  that s why the exception is thrown  Add separate getter and setter for your list

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I was having the same issue  My Issue   Caused by  java security PrivilegedActionException  com sun xml internal bind v2 runtime IllegalAnnotationsException  2 counts of IllegalAnnotationExceptions  Two classes have the same XML type name   urn cpq tns Kat getgroupsearch Kat getgroupsearch   Use  XmlType name and  XmlType namespace to assign different names to them  this problem is related to the following location  at katrequest cpq tns kat getgroupsearch KatGetgroupsearch at public javax xml bind JAXBElement katrequest cpq tns kat getgroupsearch ObjectFactory createKatGetgroupsearch katrequest cpq tns kat getgroupsearch KatGetgroupsearch  at katrequest cpq tns kat getgroupsearch ObjectFactory this problem is related to the following location  at cpq tns kat getgroupsearch KatGetgroupsearch  Two classes have the same XML type name   urn cpq tns Kat getgroupsearch Kat getgroupsearchResponse0   Use  XmlType name and  XmlType namespace to assign different names to them  this problem is related to the following location  at katrequest cpq tns kat getgroupsearch KatGetgroupsearchResponse0 at public javax xml bind JAXBElement katrequest cpq tns kat getgroupsearch ObjectFactory createKatGetgroupsearchResponse0 katrequest cpq tns kat getgroupsearch KatGetgroupsearchResponse0  at katrequest cpq tns kat getgroupsearch ObjectFactory this problem is related to the following location  at cpq tns kat getgroupsearch KatGetgroupsearchResponse0   Changed made to solve it are below   I change the respective name to namespace   XmlAccessorType XmlAccessType FIELD   XmlType   name          Kat getgroupsearch   propOrder           XmlAccessorType XmlAccessType FIELD   XmlType namespace        Kat getgroupsearch   propOrder        XmlAccessorType XmlAccessType FIELD   XmlType   name      Kat getgroupsearchResponse0   propOrder          XmlAccessorType XmlAccessType FIELD      XmlType namespace    Kat getgroupsearchResponse0   propOrder       why   As written in error log two classes have same name so we should use namespace because XML namespaces are used for providing uniquely named elements and attributes in an XML document

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JAXB  java xml bind  This answer  JDK 14 Spring Boot WebFlux 2 3 3 RELEASE Lombok 1 18 12 Work for me  gt  gt  gt  gt  gt  JDK 14  lt dependency gt       lt groupId gt javax xml bind lt  groupId gt       lt artifactId gt jaxb-api lt  artifactId gt       lt version gt 2 3 1 lt  version gt   lt  dependency gt   lt dependency gt       lt groupId gt com sun xml bind lt  groupId gt       lt artifactId gt jaxb-impl lt  artifactId gt       lt version gt 2 3 3 lt  version gt   lt  dependency gt   lt dependency gt       lt groupId gt org glassfish jaxb lt  groupId gt       lt artifactId gt jaxb-runtime lt  artifactId gt       lt version gt 3 0 0-M4 lt  version gt   lt  dependency gt   So Dependencies jaxb-api  jaxb-impl  jaxb-runtime  I try to test every version  Body Request   lt  xml version  quot 1 0 quot  encoding  quot UTF-8 quot   gt   lt service generator  quot zend quot  version  quot 1 0 quot  gt       lt send gt           lt message gt OK lt  message gt           lt status gt success lt  status gt       lt  send gt   lt  service gt    DTO  import lombok Getter  import lombok Setter   import javax xml bind annotation XmlAccessType  import javax xml bind annotation XmlAccessorType  import javax xml bind annotation XmlRootElement  import java util ArrayList  import java util List   public class SmsSend             Getter      Setter      XmlRootElement name    quot service quot       public static class ReplyMethodSend           private List lt ReplyValue gt  send   new ArrayList lt  gt                 Getter      Setter      XmlAccessorType XmlAccessType FIELD      public static class ReplyValue           private String message          private String status           Response         quot send quot                        quot message quot    quot OK quot            quot status quot    quot success quot                     Have fun with programming

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I had this same issue  I was passing a spring bean back as a ResponseBody object  When I handed back an object created by new  all was good

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This is because  by default  Jaxb when serializes a pojo  looks for the annotations over the public members getters or setters  of the properties  But  you are providing annotations on fields  so  either change and set the annotations on setters or getters of properties  or sets the XmlAccessortype to field   Option 1     XmlRootElement name    fields    XmlAccessorType XmlAccessType FIELD  public class Fields             XmlElement name    field           List lt Field gt  fields   new ArrayList lt Field gt               getter  setter     XmlAccessorType XmlAccessType FIELD  public class Field            XmlAttribute name    mappedField          String mappedField           getter setter     Option 2     XmlRootElement name    fields   public class Fields            List lt Field gt  fields   new ArrayList lt Field gt               XmlElement name    field           public List lt Field gt  getFields                           setter     XmlAccessorType XmlAccessType FIELD  public class Field           String mappedField           XmlAttribute name    mappedField          public String getMappedField                          setter     For more detail and depth  check the following JDK documentation http   docs oracle com javase 6 docs api javax xml bind annotation XmlAccessorType html

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In my case  I was able to find the problem by temporarily catching the exception  descending into causes as needed  based on how deep the IllegalAnnotationException was   and calling getErrors   on it       try              in my case  this was what gave me an exception         endpoint publish   MyWebServicePort           I got a WebServiceException caused by another exception  which was caused by the IllegalAnnotationsException       catch  WebServiceException e               Incidentally  I need to call getCause   getCause   on it  and cast to IllegalAnnotationsException before calling getErrors           System err println   com sun xml internal bind v2 runtime IllegalAnnotationsException e getCause   getCause    getErrors

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The exception is due to your JAXB  JSR-222  implementation believing that there are two things mapped with the same name  a field and a property   There are a couple of options for your use case   OPTION  1 - Annotate the Field with  XmlAccessorType XmlAccessType FIELD   If you want to annotation the field then you should specify  XmlAccessorType XmlAccessType FIELD   Fields java   package forum10795793   import java util    import javax xml bind annotation      XmlRootElement name    fields    XmlAccessorType XmlAccessType FIELD  public class Fields         XmlElement name    field       List lt Field gt  fields   new ArrayList lt Field gt          public List lt Field gt  getFields             return fields             public void setFields List lt Field gt  fields            this fields   fields             Field java   package forum10795793   import javax xml bind annotation      XmlAccessorType XmlAccessType FIELD  public class Field         XmlAttribute name    mappedField       String mappedField       public String getMappedField             return mappedField             public void setMappedField String mappedField            this mappedField   mappedField             OPTION  2 - Annotate the Properties  The default accessor type is XmlAccessType PUBLIC   This means that by default JAXB implementations will map public fields and accessors to XML   Using the default setting you should annotate the public accessors where you want to override the default mapping behaviour   Fields java   package forum10795793   import java util    import javax xml bind annotation      XmlRootElement name    fields   public class Fields        List lt Field gt  fields   new ArrayList lt Field gt           XmlElement name    field       public List lt Field gt  getFields             return fields             public void setFields List lt Field gt  fields            this fields   fields             Field java   package forum10795793   import javax xml bind annotation     public class Field        String mappedField        XmlAttribute name    mappedField       public String getMappedField             return mappedField             public void setMappedField String mappedField            this mappedField   mappedField             For More Information   http   blog bdoughan com 2011 06 using-jaxbs-xmlaccessortype-to html

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All below options worked for me     Option 1  Annotation for FIELD at class  amp  field level with getter setter methods    XmlRootElement name    fields     XmlAccessorType XmlAccessType FIELD      public class Fields             XmlElement name    field           List lt Field gt  fields   new ArrayList lt Field gt                   getter  setter         Option 2  No Annotation for FIELD at class level  XmlAccessorType XmlAccessType FIELD  and with only getter method  Adding Setter method will throw the error as we are not including the Annotation in this case  Remember  setter is not required when you explicitly set the values in your XML file    XmlRootElement name    fields       public class Fields             XmlElement name    field           List lt Field gt  fields   new ArrayList lt Field gt                   getter         Option 3  Annotation at getter method alone  Remember we can also use the setter method here as we are not doing any FIELD level annotation in this case    XmlRootElement name    fields       public class Fields            List lt Field gt  fields   new ArrayList lt Field gt               XmlElement name    field             getter            setter         Hope this helps you

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I can t understand why this JAXB IllegalAnnotationException is thrown   I also was getting the     counts of IllegalAnnotationExceptions exception and it seemed to be due to an improper dependency hierarchy in my Spring wiring   I figured it out by putting a breakpoint in the JAXB code when it does the throw   For me this was at com sun xml bind v2 runtime IllegalAnnotationsException Builder check     Then I dumped the list variable which gives something like    org mortbay jetty Handler is an interface  and JAXB can t handle interfaces  this problem is related to the following location      at org mortbay jetty Handler     at public org mortbay jetty Handler   org mortbay jetty handler HandlerCollection getHandlers       at org mortbay jetty handler HandlerCollection     at org mortbay jetty handler ContextHandlerCollection     at com mprew ec2 commons server LocalContextHandlerCollection     at private com mprew ec2 commons server LocalContextHandlerCollection com mprew ec2 commons services jaxws asm SetLocalContextHandlerCollection arg0     at com mprew ec2 commons services jaxws asm SetLocalContextHandlerCollection  org mortbay jetty Handler does not have a no-arg default constructor          The does not have a no-arg default constructor seemed to me to be misleading   Maybe I wasn t understanding what the exception was saying   But it did indicate that there was a problem with my LocalContextHandlerCollection   I removed a dependency loop and the error cleared   Hopefully this will be helpful to others

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for me this error was actually caused by a field falsely declared as public instead of private

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I once received this message after thinking that putting  XmlTransient on a field I didn t need to serialize  in a class that was annotated with  XmlAccessorType XmlAccessType NONE    In that case  removing XmlTransient resolved the issue  I am not a JAXB expert  but I suspect that because AccessType NONE indicates that no auto-serialization should be done  i e  fields must be specifically annotated to serialize them  that makes XmlTransient illegal since its sole purpose is to exclude a field from auto-serialization

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This is happening be cause you have 2 classes with same name  For  example  I have 2 SOAP web-services named settings and settings2 both have the same class GetEmployee and this is ambiguous proving the error

[java] I can't understand why this JAXB IllegalAnnotationException is thrown

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