Hibernate: InvalidMappingException: Could not parse mapping document from resource

[Joseph Sweet]

Hi Everyone,

I am on Hibernate 3.2 and trying to use the following mapping but it keeps telling me something is wrong with my mapping file. However, I cannot see any clue as for what element/attribute is wrong....

It might be some of the elements are deprecated. I got the code from some online tutorial that seems to be quite old.

Any idea if there is some consistent way to find out what the problem with the mapping file is...?

Thanks.

<?xml version="1.0"?>
<!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD//EN" "http://hibernate.sourceforge.net/hibernate-mapping-1.1.dtd">
 
<hibernate-mapping>
    <set role="names" table="names">
        <key column="id" type="string">
            <generator class="uuid.hex"/>
        </key>
        <element column="name" type="string"/>
    </set>
 
    <class name="Foo" table="foo">
        <id name="id" column="id" type="int">
            <generator class="assigned"/>
        </id>
        <collection name="names" column="name_id" role="names"/>
    </class>
</hibernate-mapping>
 

package toplevel.src;
 
import java.util.*;
 
public class Foo
{
    protected int id;
    protected Set names;
 
    public Foo()
    {
    }
 
    public int getId()
    {
        return id;
    }
 
    public void setId(int id)
    {
        this.id = id;
    }
 
    public Set getNames()
    {
        return names;
    }
 
    public void setNames(Set names)
    {
        this.names = names;
    }
}
 

package toplevel.src;
 
import java.util.*;
 
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.cfg.Configuration;
import org.hibernate.Transaction;
 
public class Test
{
    public static void main(String[] args) throws Exception
    {
        // Initialise
        //Datastore dataStore = Hibernate.createDatastore().storeFile("Schema.hbm.xml");
        //SessionFactory sessionFactory = dataStore.buildSessionFactory();
new Configuration().configure().addFile("Schema.hbm.xml");
SessionFactory sessionFactory = new Configuration().configure().buildSessionFactory();
        Session session = sessionFactory.openSession();
        Transaction t = session.beginTransaction();
        System.out.println("TOP-LEVEL MAPPING");
 
        // Foo
        Foo foo = new Foo();
        Set set = new HashSet();
        foo.setId(1);
        set.add("John");
        set.add("Brian");
        set.add("Paula");
        set.add("Murphy");
        foo.setNames(set);
        session.save(foo);
        t.commit();
        session.close();
 
        // Re-load
        session = sessionFactory.openSession();
        t = session.beginTransaction();
        foo = (Foo)session.load(Foo.class, new Integer(1));
        System.out.println("Foo: " + foo.getId() + ", " + foo.getNames());
 
        t.commit();
        session.close();
    }
}
 

And the stack trace:

 
     [java] org.hibernate.InvalidMappingException: Could not parse mapping document from resource toplevel\src\Schema.hbm.xml
     [java] at org.apache.tools.ant.taskdefs.ExecuteJava.execute(ExecuteJava.java:180)
     [java] at org.apache.tools.ant.taskdefs.Java.run(Java.java:710)
     [java] at org.apache.tools.ant.taskdefs.Java.executeJava(Java.java:178)
     [java] at org.apache.tools.ant.taskdefs.Java.execute(Java.java:84)
     [java] at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:275)
     [java] at org.apache.tools.ant.Task.perform(Task.java:364)
     [java] at org.apache.tools.ant.Target.execute(Target.java:341)
     [java] at org.apache.tools.ant.Target.performTasks(Target.java:369)
     [java] at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1216)
     [java] at org.apache.tools.ant.Project.executeTarget(Project.java:1185)
     [java] at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:40)
     [java] at org.eclipse.ant.internal.ui.antsupport.EclipseDefaultExecutor.executeTargets(EclipseDefaultExecutor.java:32)
     [java] at org.apache.tools.ant.Project.executeTargets(Project.java:1068)
     [java] at org.eclipse.ant.internal.ui.antsupport.InternalAntRunner.run(InternalAntRunner.java:423)
     [java] at org.eclipse.ant.internal.ui.antsupport.InternalAntRunner.main(InternalAntRunner.java:137)
     [java] Caused by: org.hibernate.InvalidMappingException: Could not parse mapping document from resource toplevel\src\Schema.hbm.xml
     [java] at org.hibernate.cfg.Configuration.addResource(Configuration.java:569)
     [java] at org.hibernate.cfg.Configuration.parseMappingElement(Configuration.java:1587)
     [java] at org.hibernate.cfg.Configuration.parseSessionFactory(Configuration.java:1555)
     [java] at org.hibernate.cfg.Configuration.doConfigure(Configuration.java:1534)
     [java] at org.hibernate.cfg.Configuration.doConfigure(Configuration.java:1508)
     [java] at org.hibernate.cfg.Configuration.configure(Configuration.java:1428)
     [java] at org.hibernate.cfg.Configuration.configure(Configuration.java:1414)
     [java] at toplevel.src.Test.main(Unknown Source)
     [java] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
     [java] at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
     [java] at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
     [java] at java.lang.reflect.Method.invoke(Unknown Source)
     [java] at org.apache.tools.ant.taskdefs.ExecuteJava.run(ExecuteJava.java:202)
     [java] at org.apache.tools.ant.taskdefs.ExecuteJava.execute(ExecuteJava.java:134)
     [java] ... 14 more
     [java] Caused by: org.hibernate.InvalidMappingException: Could not parse mapping document from input stream
     [java] at org.hibernate.cfg.Configuration.addInputStream(Configuration.java:508)
     [java] at org.hibernate.cfg.Configuration.addResource(Configuration.java:566)
     [java] ... 27 more
     [java] Caused by: org.dom4j.DocumentException: Connection timed out: connect Nested exception: Connection timed out: connect
     [java] at org.dom4j.io.SAXReader.read(SAXReader.java:484)
     [java] at org.hibernate.cfg.Configuration.addInputStream(Configuration.java:499)
     [java] ... 28 more
     [java] --- Nested Exception ---
     [java] org.hibernate.InvalidMappingException: Could not parse mapping document from resource toplevel\src\Schema.hbm.xml
     [java] at org.hibernate.cfg.Configuration.addResource(Configuration.java:569)
     [java] at org.hibernate.cfg.Configuration.parseMappingElement(Configuration.java:1587)
     [java] at org.hibernate.cfg.Configuration.parseSessionFactory(Configuration.java:1555)
     [java] at org.hibernate.cfg.Configuration.doConfigure(Configuration.java:1534)
     [java] at org.hibernate.cfg.Configuration.doConfigure(Configuration.java:1508)
     [java] at org.hibernate.cfg.Configuration.configure(Configuration.java:1428)
     [java] at org.hibernate.cfg.Configuration.configure(Configuration.java:1414)
     [java] at toplevel.src.Test.main(Unknown Source)
     [java] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
     [java] at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
     [java] at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
     [java] at java.lang.reflect.Method.invoke(Unknown Source)
     [java] at org.apache.tools.ant.taskdefs.ExecuteJava.run(ExecuteJava.java:202)
     [java] at org.apache.tools.ant.taskdefs.ExecuteJava.execute(ExecuteJava.java:134)
     [java] at org.apache.tools.ant.taskdefs.Java.run(Java.java:710)
     [java] at org.apache.tools.ant.taskdefs.Java.executeJava(Java.java:178)
     [java] at org.apache.tools.ant.taskdefs.Java.execute(Java.java:84)
     [java] at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:275)
     [java] at org.apache.tools.ant.Task.perform(Task.java:364)
     [java] at org.apache.tools.ant.Target.execute(Target.java:341)
     [java] at org.apache.tools.ant.Target.performTasks(Target.java:369)
     [java] at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1216)
     [java] at org.apache.tools.ant.Project.executeTarget(Project.java:1185)
     [java] at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:40)
     [java] at org.eclipse.ant.internal.ui.antsupport.EclipseDefaultExecutor.executeTargets(EclipseDefaultExecutor.java:32)
     [java] at org.apache.tools.ant.Project.executeTargets(Project.java:1068)
     [java] at org.eclipse.ant.internal.ui.antsupport.InternalAntRunner.run(InternalAntRunner.java:423)
     [java] at org.eclipse.ant.internal.ui.antsupport.InternalAntRunner.main(InternalAntRunner.java:137)
     [java] Caused by: org.hibernate.InvalidMappingException: Could not parse mapping document from input stream
     [java] at org.hibernate.cfg.Configuration.addInputStream(Configuration.java:508)
     [java] at org.hibernate.cfg.Configuration.addResource(Configuration.java:566)
     [java] ... 27 more
     [java] Caused by: org.dom4j.DocumentException: Connection timed out: connect Nested exception: Connection timed out: connect
     [java] at org.dom4j.io.SAXReader.read(SAXReader.java:484)
     [java] at org.hibernate.cfg.Configuration.addInputStream(Configuration.java:499)
     [java] ... 28 more
 

[Mark Spritzler]

Um, I think it is the order of things you have in your xml

<hibernate-mapping>
<set role="names" table="names">

<set> is usually not right after a <hibernate-mapping> tag, <set> is usually a sub tag within the <class> tag.

Mark

[Joseph Sweet]

Yes, but from what I read they had done it on purpose.
Please compare what they did here:

http://www.xylax.net/hibernate/rawdata.html

to what they did here (which is the code from my 1st message):

http://www.xylax.net/hibernate/toplevel.html

Maybe there is something with the role attribute of the set element. From what I have seen in latter samples, it looks like they now use name instead of role. Is it true....? But then if I change the role to name in the the collection element... I end up with two name attributes....


[ November 15, 2007: Message edited by: Joseph Sweet ]

[Jaikiran Pai]

[java] Caused by: org.dom4j.DocumentException: Connection timed out: connect Nested exception: Connection timed out: connect
[java] at org.dom4j.io.SAXReader.read(SAXReader.java:484)
[java] at org.hibernate.cfg.Configuration.addInputStream(Configuration.java:499)

Looks like something to do with the dtd that you have defined in your mapping file. You said that you use Hibernate3, but the dtd still points to a older version:

<!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD//EN" "http://hibernate.sourceforge.net/hibernate-mapping-1.1.dtd">

As per the Hibernate migration guide, you will have to use the 3.0 dtd in the mappings. Here's an extract from the document:

DTD

Update the DTD reference in your hbm XML files. Change http://hibernate.sourceforge.net/hibernate-mapping-2.0.dtd to http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd in the DOCTYPE. If your application took 5 seconds to startup and now takes 50 with Hibernate3, you forgot to change the DTD. Hibernate will then try to lookup (and timeout) the DTD on the Internet for every mapping file instead of its JAR file.

See if changing that dtd, helps.

[Joseph Sweet]

Okay I changed the DTD to the new one and there's a little progress although it's still not running.

I also changed the role attribute of the set element to be name.

So here is the new mapping file:

<?xml version='1.0' encoding='utf-8'?>
<!DOCTYPE hibernate-mapping
   PUBLIC "-//Hibernate/Hibernate Mapping DTD//EN"
   "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
 
<hibernate-mapping>
    <set name="names" table="names">
        [B]<key column="id" type="string">[/B]
            <generator class="uuid.hex"/>
        </key>
        <element column="name" type="string"/>
    </set>
 
    <class name="Foo" table="foo">
        <id name="id" column="id" type="int">
            <generator class="assigned"/>
        </id>
        <collection name="names" column="name_id" role="names"/>
    </class>
</hibernate-mapping>
 

And here is the console:

     [java] 0    [main] ERROR org.hibernate.util.XMLHelper  - Error parsing XML: XML InputStream(8) Attribute "type" must be declared for element type "key".
     [java] 30   [main] ERROR org.hibernate.util.XMLHelper  - Error parsing XML: XML InputStream(10) The content of element type "key" must match "(column)*".
     [java] 40   [main] ERROR org.hibernate.util.XMLHelper  - Error parsing XML: XML InputStream(18) Element type "collection" must be declared.
     [java] 50   [main] ERROR org.hibernate.util.XMLHelper  - Error parsing XML: XML InputStream(19) The content of element type "class" must match "(meta*,subselect?,cache?,synchronize*,comment?,tuplizer*,(id|composite-id),discriminator?,natural-id?,(version|timestamp)?,(property|many-to-one|one-to-one|component|dynamic-component|properties|any|map|set|list|bag|idbag|array|primitive-array)*,((join*,subclass*)|joined-subclass*|union-subclass*),loader?,sql-insert?,sql-update?,sql-delete?,filter*,resultset*,(query|sql-query)*)".
     [java] 110  [main] ERROR org.hibernate.util.XMLHelper  - Error parsing XML: XML InputStream(20) The content of element type "hibernate-mapping" must match "(meta*,typedef*,import*,(class|subclass|joined-subclass|union-subclass)*,resultset*,(query|sql-query)*,filter-def*,database-object*)".
     [java] org.hibernate.InvalidMappingException: Could not parse mapping document from resource toplevel\src\Schema.hbm.xml
     [java] at org.apache.tools.ant.taskdefs.ExecuteJava.execute(ExecuteJava.java:180)
     [java] at org.apache.tools.ant.taskdefs.Java.run(Java.java:710)
     [java] at org.apache.tools.ant.taskdefs.Java.executeJava(Java.java:178)
     [java] at org.apache.tools.ant.taskdefs.Java.execute(Java.java:84)
     [java] at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:275)
     [java] at org.apache.tools.ant.Task.perform(Task.java:364)
     [java] at org.apache.tools.ant.Target.execute(Target.java:341)
     [java] at org.apache.tools.ant.Target.performTasks(Target.java:369)
     [java] at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1216)
     [java] at org.apache.tools.ant.Project.executeTarget(Project.java:1185)
     [java] at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:40)
     [java] at org.eclipse.ant.internal.ui.antsupport.EclipseDefaultExecutor.executeTargets(EclipseDefaultExecutor.java:32)
     [java] at org.apache.tools.ant.Project.executeTargets(Project.java:1068)

It tells me there's an error on line 8: Attribute "type" must be declared for element type "key".

Huh? There is already a type attribute for the key element.

[Jaikiran Pai]

The dtd does not allow a "type" for the "key" element. You will have to change your mapping file in accordance to the dtd

[Joseph Sweet]

i guess that tutorial is way too old.