无法创建NHibernate.Driver.OracleDataClientDriver司机 [英] Could not create the driver from NHibernate.Driver.OracleDataClientDriver
问题描述
下面是提高异常的代码:
公共静态类NHibernateSessionManager
{
私有静态ISessionFactory SessionFactory的=新配置()配置()BuildSessionFactory()。
公共静态的ISession的getSession(字符串的clientId)
{
如果(ContextSession == NULL)
ContextSession = sessionFactory.OpenSession(新OracleIntercerptor(clientId.ToUpper() ));
,否则
((为OracleConnection)ContextSession.Connection).ClientId =的clientId;
返回ContextSession;
}
// - 喀嚓 -
}
和调用,其中引发异常的代码:
私人的Isession NHibernateSession
{
得到
{
返回NHibernateSessionManager.GetSession(SessionWrapper.GetUser());
}
}
我收到了 TypeInitializationException
{为
的类型初始值'Sigaf.Presupuesto.EntidadesDAL.NHibernate.NHibernateSessionManager'
引发了异常。}
块引用>
随着
内部异常< BLOCKQUOTE>
{无法创建
NHibernate.Driver.OracleDataClientDriver驱动程序。}
块引用>
一些更多的内部异常导致我一个NRE:
对象引用未设置为一个对象的
实例。结果
。在
NHibernate.Driver.OracleDataClientDriver..ctor()
块引用>
NHibernate的3.0 $ ; b $ b目标框架V4.0
这个代码实现工作等,类似的解决方案
呵呵,Hibernate.config文件:
<?XML版本=1.0>?;
<休眠配置的xmlns =金塔:NHibernate的配置,2.2>
<会话工厂>
<属性名=connection.provider> NHibernate.Connection.DriverConnectionProvider< /性>
<属性名=方言> NHibernate.Dialect.Oracle10gDialect< /性>
<属性名=current_session_context_class>网络< /性>
<属性名=proxyfactory.factory_class> NHibernate.ByteCode.LinFu.ProxyFactoryFactory,NHibernate.ByteCode.LinFu< /性>
<属性名=connection.driver_class> NHibernate.Driver.OracleDataClientDriver< /性>
<属性名=connection.connection_string_name> Sigaf< /性>
<属性名=DEFAULT_SCHEMA>&PRE LT; /性>
<属性名=show_sql>真< /性>
<测组件=Sigaf.Presupuesto.EntidadesDAL/>
< /会话工厂>
< /休眠-结构>
解决方案确认实际的Oracle驱动程序是在应用程序中仓文件夹中。
在Visual Studio中,你应该在你的项目,例如添加到
Oracle.DataAcess.dll
的参考。
选择该DLL =>右键点击=>在属性网格选择复制本地=真。
这应该解决您的问题。
Here's the code raising the exception:
public static class NHibernateSessionManager { private static ISessionFactory sessionFactory = new Configuration().Configure().BuildSessionFactory(); public static ISession GetSession(string clientId) { if (ContextSession == null) ContextSession = sessionFactory.OpenSession(new OracleIntercerptor(clientId.ToUpper())); else ((OracleConnection)ContextSession.Connection).ClientId = clientId; return ContextSession; } // - snip - }
and the call to the code where the exception is raised:
private ISession NHibernateSession { get { return NHibernateSessionManager.GetSession(SessionWrapper.GetUser()); } }
I get a
TypeInitializationException
{"The type initializer for 'Sigaf.Presupuesto.EntidadesDAL.NHibernate.NHibernateSessionManager' threw an exception."}
With an inner exception of
{"Could not create the driver from NHibernate.Driver.OracleDataClientDriver."}
A few more inner exceptions lead me to a NRE:
Object reference not set to an instance of an object.
at NHibernate.Driver.OracleDataClientDriver..ctor()NHibernate v3.0 Target Framework v4.0 This code implementation is working for other, similar, solutions.
Oh, the Hibernate.config file:
<?xml version="1.0"?> <hibernate-configuration xmlns="urn:nhibernate-configuration-2.2"> <session-factory> <property name="connection.provider">NHibernate.Connection.DriverConnectionProvider</property> <property name="dialect">NHibernate.Dialect.Oracle10gDialect</property> <property name="current_session_context_class">web</property> <property name="proxyfactory.factory_class">NHibernate.ByteCode.LinFu.ProxyFactoryFactory, NHibernate.ByteCode.LinFu</property> <property name="connection.driver_class">NHibernate.Driver.OracleDataClientDriver</property> <property name="connection.connection_string_name">Sigaf</property> <property name="default_schema">PRE</property> <property name="show_sql">true</property> <mapping assembly="Sigaf.Presupuesto.EntidadesDAL" /> </session-factory> </hibernate-configuration>
解决方案Make sure the actual Oracle driver is in your application bin folder.
In Visual Studio you should add a reference to
Oracle.DataAcess.dll
in your project for example.Select the DLL => Right click it => In the Properties grid select Copy Local = True.
This should solve your problem.
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