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Следующее мое.hbm.xml

 <?xml version="1.0"?>
<!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
<hibernate-mapping>
    <class name="com.mmm.data.UserRating" table="userratings" catalog="mmm">
        <composite-id name="id" class="mmm.UserRatingId">
            <key-property name="userId" type="int">
                <column name="userId" />
            </key-property>
            <key-property name="recipeId" type="int">
                <column name="recipeId" />
            </key-property>
        </composite-id>
        <many-to-one name="recipe" class="com.mmm.data.Recipe" update="false" insert="false" fetch="select">
            <column name="recipeId" not-null="true" />
        </many-to-one>
        <many-to-one name="user" class="com.mmm.data.User" update="false" insert="false" fetch="select">
            <column name="userId" not-null="true" />
        </many-to-one>
        <property name="rating" type="int">
            <column name="rating" not-null="true" />
        </property>
    </class>
</hibernate-mapping>
  

Вот Java:

 public class UserRating implements java.io.Serializable 
{
    private UserRatingId    id;
    private Recipe          recipe;
    private User            user;
    private int             rating;


    /**
     * 
     */
    public UserRating() 
    {
    }

    /**
     * 
     * @param id
     * @param recipes
     * @param users
     * @param rating
     */
    public UserRating(  UserRatingId    id, 
                        Recipe          recipes, 
                        User            users,
                        int             rating ) 
    {
        this.id     = id;
        this.recipe = recipes;
        this.user   = users;
        this.rating = rating;
    }

    public UserRating(  UserRatingId    id ) 
    {
        this.id     = id;
    }

    /**
     * 
     * @return
     */
    public UserRatingId getId() 
    {
        return this.id;
    }

    /**
     * 
     * @param id
     */
    public void setId(UserRatingId id) 
    {
        this.id = id;
    }

    /**
     * 
     * @return
     */
    public Recipe getRecipe() 
    {
        return this.recipe;
    }

    /**
     * 
     * @param recipe
     */
    public void setRecipe(Recipe recipe) 
    {
        this.recipe = recipe;
    }

    /**
     * 
     * @return
     */
    public User getUser() 
    {
        return this.user;
    }

    /**
     * 
     * @param user
     */
    public void setUser(User user) 
    {
        this.user = user;
    }

    /**
     * 
     * @return
     */
    public int getRating() 
    {
        return this.rating;
    }

    /**
     * 
     * @param rating
     */
    public void setRating(int rating) 
    {
        this.rating = rating;
    }
}

public class UserRatingId implements java.io.Serializable 
{
    private int userId;
    private int recipeId;

    /**
     * 
     */
    public UserRatingId() 
    {
    }

    /**
     * 
     * @param userId
     * @param recipeId
     */
    public UserRatingId(    int userId, 
                            int recipeId ) 
    {
        this.userId = userId;
        this.recipeId = recipeId;
    }

    /**
     * 
     * @return
     */
    public int getUserId() 
    {
        return this.userId;
    }

    /**
     * 
     * @param userId
     */
    public void setUserId(int userId) 
    {
        this.userId = userId;
    }

    /**
     * 
     * @return
     */
    public int getRecipeId() 
    {
        return this.recipeId;
    }

    /**
     * 
     * @param recipeId
     */
    public void setRecipeId(int recipeId) 
    {
        this.recipeId = recipeId;
    }

    /**
     * 
     */
    public boolean equals( Object other ) 
    {
        if ((this == other))
            return true;

        if ((other == null))
            return false;

        if (!(other instanceof UserRatingId))
            return false;

        UserRatingId castOther = (UserRatingId) other;

        return (this.getUserId() == castOther.getUserId())
                amp;amp; (this.getRecipeId() == castOther.getRecipeId());
    }

    /**
     * 
     */
    public int hashCode() 
    {
        int result = 17;

        result = 37 * result   this.getUserId();
        result = 37 * result   this.getRecipeId();

        return resu<
    }
}
  

Когда я делаю «из UserRating ur, где ur.RecipeID = :RecipeID и rr.userId = :userId»;
получаем: не удалось создать начальную SessionFactory.org.hibernate.Исключение HibernateException: невозможно создать экземпляр tuplizer по умолчанию [org.hibernate.tuple.component.PojoComponentTuplizer]

Есть идеи, почему? Чего не хватает?

Я подозреваю, что у вас здесь неправильное объявление class="mmm.UserRatingId" . Вы имели в виду class="com.mmm.data.UserRatingId" ? (исправлено имя пакета для класса идентификатора)

Привет, у меня однажды была такая же ошибка, и причина была в безопасности, которая не позволяет JVM Domino создавать экземпляры некоторых классов.

Вот мой java.policy, который вы можете найти в файле jvm lib security java.policy для справки:

 // Standard extensions get all permissions by default
grant codeBase "file:${java.home}/lib/ext/*" {
permission java.security.AllPermission;
};

// default permissions granted to all domains
grant { 
// Allows any thread to stop itself using the java.lang.Thread.stop()
// method that takes no argument.
// Note that this permission is granted by default only to remain
// backwards compatible.
// It is strongly recommended that you either remove this permission
// from this policy file or further restrict it to code sources
// that you specify, because Thread.stop() is potentially unsafe.
// See "http://java.sun.com/notes" for more information.
permission java.lang.RuntimePermission "stopThread";
  

// позволяет любому прослушивать непривилегированные порты
с разрешением java.net.SocketPermission «localhost:1024-«, «слушать»;

// «стандартные» свойства, которые могут быть прочитаны кем угодно

 permission java.util.PropertyPermission "java.version", "read";
permission java.util.PropertyPermission "java.vendor", "read";
permission java.util.PropertyPermission "java.vendor.url", "read";
permission java.util.PropertyPermission "java.class.version", "read";
permission java.util.PropertyPermission "os.name", "read";
permission java.util.PropertyPermission "os.version", "read";
permission java.util.PropertyPermission "os.arch", "read";
permission java.util.PropertyPermission "file.separator", "read";
permission java.util.PropertyPermission "path.separator", "read";
permission java.util.PropertyPermission "line.separator", "read";

permission java.util.PropertyPermission "java.specification.version", "read";
permission java.util.PropertyPermission "java.specification.vendor", "read";
permission java.util.PropertyPermission "java.specification.name", "read";

permission java.util.PropertyPermission "java.vm.specification.version", "read";
permission java.util.PropertyPermission "java.vm.specification.vendor", "read";
permission java.util.PropertyPermission "java.vm.specification.name", "read";
permission java.util.PropertyPermission "java.vm.version", "read";
permission java.util.PropertyPermission "java.vm.vendor", "read";
permission java.util.PropertyPermission "java.vm.name", "read";

permission java.util.PropertyPermission "javax.realtime.version", "read";
permission java.security.AllPermission;

};

// Notes java code gets all permissions

grant codeBase "file:${notes.binary}/*" {
permission java.security.AllPermission;
};

grant codeBase "file:${notes.binary}/rjext/*" {
permission java.security.AllPermission;
};

grant codeBase "file:${notes.binary}/ndext/*" {
permission java.security.AllPermission;
};

grant codeBase "file:${notes.binary}/xsp/-" {
permission java.security.AllPermission;
};

grant codeBase "file:${notes.binary}/osgi/-" {
permission java.security.AllPermission;
};