NHibernate无法编译映射 [英] NHibernate could not compile the mapping
问题描述
我不知道哪里出错了.
我使用NHibernate C#并将程序集附加到Configuration. NHibernateException问题:无法编译映射Note.hbm.xml
I use NHibernate C# and append Assembly to Configuration. Problem a NHibernateException: Could not compile the mapping Note.hbm.xml
public static class NHibernateHelper
{
private static Configuration _cfg;
private static ISessionFactory _sessionFactory;
private static ISessionFactory SessionFactory {
get {
if (_sessionFactory == null) {
_cfg = new Configuration();
_cfg.Configure();
_cfg.AddAssembly(typeof(User).Assembly);
_cfg.AddAssembly(typeof(Changelog).Assembly);
_cfg.AddAssembly(typeof(Note).Assembly);
_sessionFactory = _cfg.BuildSessionFactory();
}
return _sessionFactory;
}
}
public static ISession OpenSession() {
return SessionFactory.OpenSession();
}
public static void DatabaseSchemaLoader() {
ISession session = OpenSession();
new SchemaExport(_cfg).Create(true, true);
session.Close();
}
}
我的Note类是shared.data.content
My Note class is shared.data.content
namespace CRMSystem.shared.data.content
{
public class Note
{
public virtual int id { get; set; }
public virtual string title{ get; set;}
public virtual string text { get; set; }
public virtual int priority { get; set; }
public virtual long createdTime { get; set; }
public virtual long lastEditTime { get; set; }
}
}
Note.hbm.xml(设置构建操作:嵌入式资源，复制到输出:始终复制)
Note.hbm.xml (set build action: embedded resource, copy to output: copy always)
<?xml version="1.0" encoding="utf-8" ?>
<hibernate-mapping xmlns="urn:nhibernate-mapping-2.2"
assembly="CRMSystem"
namespace="CRMSystem.shared.data.content">
<class name="Note" table="`Note`" lazy="false">
<id name="id" column="`id`" type="int">
<generator class="identity"></generator>
</id>
<property name="title" column="`title`" type="String"/>
<property name="text" column="`text`" type="String" />
<property name="priority" column="`priority`" type="int" />
<property name="createdTime" column="`createdTime`" type="long" />
<property name="lastEditTime" column="`lastEditTime`" type="long" />
</class>
</hibernate-mapping>
感谢您的回答.
Thanks for your answer.
我今天已经通过多种方式进行了尝试，发现它是可行的:
I have tried today in many ways and found to that it works:
_cfg.Configure();
_cfg.AddAssembly(typeof(User).Assembly);
//_cfg.AddAssembly(typeof(Changelog).Assembly);
//_cfg.AddAssembly(typeof(Note).Assembly);
当我添加:(任何课程)
When I adds: (any class)
_cfg.AddAssembly(typeof(Changelog).Assembly);
每个我都会收到一个错误:无法编译Note.hbm.xml 我可以将每个类(User，Changelog，Note)保存到数据库. 我无法解释.
Every I get an error: Could not compile Note.hbm.xml I can save to database every class (User, Changelog, Note). I can't explain.
有人遇到过这种情况吗?
Has anyone ever have such situations ?
完全例外:
NHibernate.MappingException: Could not compile the mapping document: CRMSystem.shared.data.mapping.Note.hbm.xml ---> NHibernate.DuplicateMappingException: Duplicate class/entity mapping CRMSystem.shared.data.content.Note
w NHibernate.Cfg.Mappings.AddClass(PersistentClass persistentClass)
w NHibernate.Cfg.XmlHbmBinding.RootClassBinder.Bind(HbmClass classSchema, IDictionary`2 inheritedMetas)
w NHibernate.Cfg.XmlHbmBinding.MappingRootBinder.AddRootClasses(HbmClass rootClass, IDictionary`2 inheritedMetas)
w NHibernate.Cfg.XmlHbmBinding.MappingRootBinder.AddEntitiesMappings(HbmMapping mappingSchema, IDictionary`2 inheritedMetas)
w NHibernate.Cfg.XmlHbmBinding.MappingRootBinder.Bind(HbmMapping mappingSchema)
w NHibernate.Cfg.Configuration.AddDeserializedMapping(HbmMapping mappingDocument, String documentFileName)
--- Koniec śladu stosu wyjątków wewnętrznych ---
w NHibernate.Cfg.Configuration.LogAndThrow(Exception exception)
w NHibernate.Cfg.Configuration.AddDeserializedMapping(HbmMapping mappingDocument, String documentFileName)
w NHibernate.Cfg.Configuration.AddValidatedDocument(NamedXmlDocument doc)
w NHibernate.Cfg.Configuration.ProcessMappingsQueue()
w NHibernate.Cfg.Configuration.AddDocumentThroughQueue(NamedXmlDocument document)
w NHibernate.Cfg.Configuration.AddXmlReader(XmlReader hbmReader, String name)
w NHibernate.Cfg.Configuration.AddInputStream(Stream xmlInputStream, String name)
w NHibernate.Cfg.Configuration.AddResource(String path, Assembly assembly)
w NHibernate.Cfg.Configuration.AddAssembly(Assembly assembly)
当我什么都不添加时，我得到了例外:没有持久性
When I nothing add , i get exception : no persister
推荐答案
EXTEND
根据最新更新，我们可以看到NHiberante的原因是:
Based on the latest update, we can see, that NHiberante is blaming at:
...重复的类/实体映射CRMSystem.shared.data.content.Note ...
... Duplicate class/entity mapping CRMSystem.shared.data.content.Note ...
这意味着，在我们的例子中，其他文件可能包含NOTE映射，例如在user.hbm.xml中可能有一些被遗忘的映射
And that means, that in our case, some other file could contain the NOTE mapping, e.g. in user.hbm.xml there could be some forgotten mapping
<class name="Note" ...
原始部分
原样是可以的.我在您的 Note 类和 Note.hbm.xml 上进行了本地尝试.正常工作.
The code is ok as is. I tried locally with your Note class and Note.hbm.xml. Working as expected.
问题似乎是拼写错误，我几乎无法复制(例如，不同的程序集名称).或者，尽管对Note.hbm.xml负责，也可能是其他一些映射
The issue seems to be some misspelling which I can hardly reproduce (e.g. different assembly name). Or, despite of the blame on the Note.hbm.xml ... it also could be some other mapping
// there could be also some issue
_cfg.AddAssembly(typeof(User).Assembly);
_cfg.AddAssembly(typeof(Changelog).Assembly);
无论如何，请尝试观察INNER异常.将会有明确的问题描述.例如.对于此映射
Anyhow, try to observe the INNER exception. There will be clear issue description. E.g. for this mapping
<hibernate-mapping xmlns="urn:nhibernate-mapping-2.2"
// instead of this
// assembly="CRMSystem"
// we have this
assembly="WrongAssembly"
namespace="CRMSystem.shared.data.content">
我们将收到全部例外:
NHibernate.MappingException:无法编译映射文档:... Note.hbm.xml ---> NHibernate.MappingException:持久类
CRMSystem.shared.data.content.注意，找不到WrongAssembly ---> System.IO.FileNotFoundException:无法加载文件或程序集"WrongAssembly"或其依赖项之一.系统找不到指定的文件.WRN:程序集绑定日志记录已关闭.
NHibernate.MappingException: Could not compile the mapping document: ...Note.hbm.xml ---> NHibernate.MappingException: persistent class
CRMSystem.shared.data.content.Note, WrongAssembly not found ---> System.IO.FileNotFoundException: Could not load file or assembly 'WrongAssembly' or one of its dependencies. The system cannot find the file specified.WRN: Assembly binding logging is turned OFF.
注意:必须具有嵌入资源属性，建议请勿复制.该文件将成为dll的一部分，不必将其复制为文件.
Note: embedded resource property is must, do not copy is suggested. This file will be part of dll, it does not have to be copied as a file.
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