JAXB unmarshalling problem

Hi
I have a problem with unmarshalling.
when my XML document is valide ,there is no probem but when the document is not valid(for exemple i put a String value in an element of type xs:decimal) i get a strange result:I thought that i will get a java.lang.NumberFormatException when i set the java attribute mapped with that element or i get the error value but this attribute get null as value and there is no NumberFormatException.

riadhhwajdii wrote:
Is there any way to modify this default behavior for jaxb to make it show the error value or get a java exceptionyes, see [this post|http://forums.sun.com/thread.jspa?messageID=11031834#11031834]
Edited by: jtahlborn on Aug 8, 2010 10:01 AM

Similar Messages

JAXB unmarshall problem - beginner

Hi Im having real pain trying to get unmarshall to work with JAXB with a very simple set up..
My DTD looks like
<!ELEMENT CXMLRESULT (MESSAGE)>
<!ELEMENT MESSAGE (#PCDATA)>
and xjs like
<xml-java-binding-schema version="1.0ea">
<element name="CXMLRESULT" type="class" root="true">
</xml-java-binding-schema>
I create an object marshall it and output to a file.. All looks good. This results in the following in the file..
<CXMLRESULT>
<MESSAGE>hello</MESSAGE></CXMLRESULT>
However when I try to read in that file and unmarshall it I run into problems.. Although I receive NO error during the unmarshall, when I do a toString() afterwards then it does not display the MESSAGE element, and similarly trying to validate the object says that MESSAGE hasn't been detected.. I cannot figure out why this is.. The file was written out by JAXB so how come it cant read it back in.. For my unmarshall I do ...
CXMLRESULT cxmlresult=new CXMLRESULT();
try{
try{
input=new File("/in.xml");
fileInputStream=new FileInputStream(input);
} catch (IOException e)
{ System.out.println("error with file"); }
cxmlresult.unmarshal(fileInputStream);
} catch(UnmarshalException e) {
e.printStackTrace();
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Doing this just shows a CXMLRESULT and not the MESSAGE element..
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Try this:
CXMLRESULT cxmlresult = CXMLRESULT.unmarshal(fileInputStream);Dave

JAXB unmarshalling error

We are getting a JAXB unmarshalling error:
while processing the following <condition> tag which is of type xsd:string
<condition> x < 100 </condition>
The error is probably happening due to "<" token as a part of string type.
xml.bind.JAXBException: Unexpected error in Unmarshalling
at oracle.xml.jaxb.JaxbUnmarshaller.unmarshal(JaxbUnmarshaller.java:224)
Any ideas how to resolve this issue?
Note
<condition> x >100 </condition> is getting unmarshalled successfully by JAXB unmarshaller.
Thanks

Hi,
Did you tried to put & lt; (without space) instead of < ?
Best Regards,
Paweł

JAXB unmarshalling error for " " token as part of xsd:string type element

JAXB unmarshalling error for "<" token as part of xsd:string type element
We are getting a JAXB unmarshalling error:
while processing the following <condition> tag which is of type xsd:string
<condition> x < 100 </condition>
The error is probably happening due to "<" token as a part of string type.
xml.bind.JAXBException: Unexpected error in Unmarshalling
at oracle.xml.jaxb.JaxbUnmarshaller.unmarshal(JaxbUnmarshaller.java:224)
Any ideas how to resolve this issue?
Note
<condition> x > 100 </condition> is getting unmarshalled successfully by JAXB unmarshaller.
Thanks

Hi,
Did you tried to put & lt; (without space) instead of < ?
Best Regards,
Paweł

Problem with JAXB Unmarshall - javax.xml.bind.UnmarshalException

Hi,
I'm getting an expection while unmarshalling using JAXB. The error is as follows :
DefaultValidationEventHandler: [ERROR]: unexpected element (uri:"http://www.etrade.com/ee/systemdomainao/search", local:"Context_Id"). Expected elements are <{}contextId>,<{}predicateInterceptor>,<{}isDefaultsearch>,<{}implicitContextSQL>,<{}contextName>,<{}searchId>,<{}implicitContextText>
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Here'e the unmarshall code,
URL metadataURL = this.getClass().getClassLoader().getResource("metadata/search/PARTICIPANT.xml");
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Any pointers will be highly appreciated.
Thanks

XSD :
XSD :
<?xml version="1.0" encoding="UTF-8"?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:tns="http://www.etrade.com/ee/systemdomainao/search" targetNamespace="http://www.etrade.com/ee/systemdomainao/search" elementFormDefault="qualified" attributeFormDefault="unqualified">
     
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               <xs:element name="Implicit_Context_SQL" nillable="true">
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                         <xs:restriction base="xs:string">
                              <xs:maxLength value="500"/>
                         </xs:restriction>
                    </xs:simpleType>
               </xs:element>
               <xs:element name="Implicit_Context_Text" nillable="true">
                    <xs:simpleType>
                         <xs:restriction base="xs:string">
                              <xs:maxLength value="500"/>
                         </xs:restriction>
                    </xs:simpleType>
               </xs:element>
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               <xs:element name="Is_Quicksearchview" type="xs:boolean" nillable="true"/>
               <xs:element name="Is_Fullview" type="xs:boolean" nillable="true"/>
               <xs:element name="Is_Sortable" type="xs:boolean" nillable="true"/>
               <xs:element name="Is_Defaultsort" type="xs:boolean" nillable="true"/>
               <xs:element name="Default_SortOrder" type="xs:string" nillable="true" minOccurs="0"/>
               <xs:element name="Display_Order" type="xs:int" nillable="true"/>
               <xs:element name="Default_Value" type="xs:string" nillable="true" maxOccurs="6"/>
               <xs:element name="Default_Operator" type="xs:string" nillable="true"/>
               <xs:element name="Is_Closedset" type="xs:boolean"/>
               <xs:element name="Closedset_List_Name" type="xs:string" nillable="true"/>
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               <xs:element name="Display_Name" type="xs:string"/>
               <xs:element name="Is_UDF" type="xs:boolean" nillable="true"/>
               <xs:element name="Table_Name" type="xs:string"/>
               <xs:element name="Data_Type" type="xs:string"/>
               <xs:element name="Column_Size" type="xs:int"/>
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     <xs:element name="Search">
          
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                                   <xs:minLength value="1"/>
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               <xs:selector xpath=".//tns:ColumnList"/>
               <xs:field xpath="tns:Columnlist_Id"/>
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</xs:schema>

Help: problems with JAXB unmarshalling

Hi all,
I've got a DOM Document object, which I wish to unmarshall. It all works great, but I wish to do some better validation handling, and this is where I see something weird: whenever a ValidationEvent comes into my custom ValidationEventHandler, it practically contains no info on the location of the event. This is the typical content of event.getLocator():
columnNumber = -1
lineNumber = -1
node = null
object = null
offset = -1
url = null
This is the code:
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Found a solution. I added:
unmarshaller.setValidating(true);
I also had to make sure that the xml file did not contain schema info (i.e. shcemaLocation, etc), otherwise, I get a NullPointerException - I don't yet know why, but it's good enough for me at the moment :-)
Now, the ValidationEventLocator contains a ref to the Node in my DOM.

JAXB unmarshalling elements with xs:type explicitly set

I am working with XML content where the XSD defines an element as being of a complexType (say "ParentType") but the content explicitly sets the element's xs:type attribute to an extension of that complexType (say "ChildType").
As far as I can tell the XML is valid, but JAXB issues the following when unmarshalling:
DefaultValidationEventHandler: [ERROR]: Unexpected element {}:child1
javax.xml.bind.UnmarshalException: Unexpected element {}:child1
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Is this a problem with JAXB or my XSD?
(XSD and XML enclosed below)
XSD ------------------
<?xml version="1.0" encoding="UTF-8"?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified" attributeFormDefault="unqualified">
<xs:complexType name="ParentType">
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<xs:element name="parent1" type="xs:string"/>
<xs:element name="parent2" type="xs:string"/>
</xs:sequence>
</xs:complexType>
<xs:complexType name="ChildType">
<xs:complexContent>
<xs:extension base="ParentType">
<xs:sequence>
<xs:element name="child1" type="xs:string"/>
</xs:sequence>
</xs:extension>
</xs:complexContent>
</xs:complexType>
<xs:element name="root">
<xs:complexType>
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XML -----------------------
<?xml version="1.0" encoding="UTF-8"?>
<root xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="problem.xsd">
<child xsi:type="ChildType">
<parent1/>
<parent2/>
<child1/>
</child>
</root>

JAXB doesn't handle OO schema design. I tried to do something similar where I defined a type called base and then defined that my document contained 1 or more base elements. Then I tried to unmarshall a document that contained elements that were of types extending from base. I ended up with the same issue.
It seems that when the xjc compiler defines the classes it isn't smart enough to realize the element defined as parent could also contain a child element since child extends parent. Your XSD and XML are valid.
I would think that JAXB should identify that because there is a type the extends the defined type, that an element of the sub-type might be subsituted i.e. check the actual type of the element in the XML before attempting to unmarshall it as the default type. It doesn't do that. I am not sure if this is as desinged, or a flaw in the implementation.

JAXB unmarshalling date

I have used JAXB to marshall a java class for a date information. The resulting XML data looks fine. It contains the date I want. However, once I'm trying to unmarshall the XML file using JAXB I cannot retrieve the date back.
For example, my object contain a startTime field that is java.util.Calendar.
if I'm doing..... object.getStartTime() I would get null in return?
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To give you more information.....
i have debugged more into this.
My code is able to retrieve the date string back from the XML data which is:
2006-02-01-08:00
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--Thanks

JAXB Unmarshalling complexity

Hello all,
I need help on JAXB
the situation is as below...
i have to write a program that communicates with a server. the communication is request-response kind of communication which is to be carried out through XML.
so everytime i have to send any request i need to create an XML and then send it to the server. i get the response in the form of XML. then i have to parse the XML to find out whats the response.
previously i used DOM and SAX for creating XML and parsing XML respectively.
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i'll explain the above with a small example.
suppose i have the following DTDs
SearchRequest.dtd..............for search requests
SearchResponse.dtd..............for search responses
ErrorResponse.dtd.............for if the server sends any error.
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SearchRequest.xsd, SearchResponse.xsd, ErrorResponse.xsd
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com.xyz.SearchRequest
com.xyz.SearchResponse
com.xyz.ErrorResponse
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(the server will send me SearchResponse.xml if everything if fine but ErrorResponse.xml it theres an error).
now heres the problem. the server will send the SearchResponse or ErrorResponse. and ill have to determine what it is before i start to unmarshall.
i hope i have communicated my problem....
thankyou
java-jones

Not sure if this will help you or if this is what you are looking for, but from the JAXB Users' Guide:
More About Unmarshalling
The Unmarshaller class in the javax.xml.bind package provides the client application the ability to convert XML data into a tree of Java content objects. The unmarshal method for a schema (within a namespace) allows for any global XML element declared in the schema to be unmarshalled as the root of an instance document. The JAXBContext object allows the merging of global elements across a set of schemas (listed in the contextPath). Since each schema in the schema set can belong to distinct namespaces, the unification of schemas to an unmarshalling context should be namespace-independent. This means that a client application is able to unmarshal XML documents that are instances of any of the schemas listed in the contextPath; for example:
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Unmarshaller u = jc.createUnmarshaller();
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JAXB Unmarshall Validation Error Handling

Hello,
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Thanks,
AJ

Try 'ValidationEventLocation.getObject()', and see if you can narrow it down from there.
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Actually I had forgotten one additional thing. I have
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I am using jaxb 1.0 with jdk1.4 , i am trying to unmarshall the incoming request which a xml.
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Check the date of the post dude - its months old and the dude who posted it hasn't been back since then (only one post, this one). If you want to help, focus on recent threads. Resurrecting old threads triggers other helpful people to unnecessarily invest time into them and creates extra work for the moderators.

Jaxb unmarshalling: how to ignore unknown elements?

Hi,
I use jaxb 1.1 for communication with an external partner. (Took schema, compiled it, used generated classes for unmarshalling like this:
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Thomas

Update your schema with the following after you known elements.
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JAXB unmarshalling problem

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