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我在使用Oracle 8i客戶端的舊數據庫上使用NHibernate。我可以在數據庫表上執行Get和Delete，但不能保存或更新條目。異常如下，sqlString由問號組成，我不知道爲什麼。無法使用NHibernate更新或插入
Nhibernate.Exceptions.GenericADOException:
{"could not update: [MIAP.Domain.Entities.MITFORG#3][SQL: UPDATE MITFORG SET TREELEVEL = ?, PARTENTID = ?, FORGNAME = ?, FORGINFO = ?, ACTIVE = ?, MUTATOR = ?, INPDATETIME = ?, UPDDATETIME = ? WHERE FORGID = ?]"}
這裏是我的實體類和映射：
public class MITFORG {
private long fORGID;
private long? tREELEVEL;
private long? pARTENTID;
private string fORGNAME;
private string fORGINFO;
private string aCTIVE;
private long? mUTATOR;
private DateTime? iNPDATETIME;
private DateTime? uPDDATETIME;
public MITFORG() { }
public virtual long FORGID {
get {
return this.fORGID;
}
set {
this.fORGID = value;
}
}
public virtual long? TREELEVEL
{
get {
return this.tREELEVEL;
}
set {
this.tREELEVEL = value;
}
}
public virtual long? PARTENTID
{
get {
return this.pARTENTID;
}
set {
this.pARTENTID = value;
}
}
public virtual string FORGNAME {
get {
return this.fORGNAME;
}
set {
this.fORGNAME = value;
}
}
public virtual string FORGINFO {
get {
return this.fORGINFO;
}
set {
this.fORGINFO = value;
}
}
public virtual string ACTIVE {
get {
return this.aCTIVE;
}
set {
this.aCTIVE = value;
}
}
public virtual long? MUTATOR
{
get {
return this.mUTATOR;
}
set {
this.mUTATOR = value;
}
}
public virtual DateTime? INPDATETIME
{
get {
return this.iNPDATETIME;
}
set {
this.iNPDATETIME = value;
}
}
public virtual DateTime? UPDDATETIME
{
get {
return this.uPDDATETIME;
}
set {
this.uPDDATETIME = value;
}
}
}
<?xml version="1.0" encoding="utf-8"?>
<hibernate-mapping assembly="MIAP.Domain" namespace="MIAP.Domain.Entities" xmlns="urn:nhibernate-mapping-2.2">
<class name="MITFORG" table="MITFORG" lazy="true" >
<id name="FORGID">
<generator class="assigned" />
</id>
<property name="TREELEVEL"></property>
<property name="PARTENTID"></property>
<property name="FORGNAME"></property>
<property name="FORGINFO"></property>
<property name="ACTIVE"></property>
<property name="MUTATOR"></property>
<property name="INPDATETIME"></property>
<property name="UPDDATETIME"></property>
</class>
</hibernate-mapping>
我檢查屬性名稱和表的列名。由於FORGID是由應用程序分配的，因此我將生成器類更改爲「分配」。它也不適用於「身份」。有人能指點我的方向來調試嗎？
編輯：代碼保存條目
Dim mitforgRepository As New MITFORGRepository
Dim mitforg As MITFORG = mitforgRepository.GetById(3)
mitforg.FORGINFO = "T"
mitforg.ACTIVE = "Y"
mitforg.FORGINFO = "T"
mitforg.INPDATETIME = Now
mitforg.MUTATOR = 324
mitforg.PARTENTID = 335
mitforg.TREELEVEL = 1
mitforg.UPDDATETIME = Now
mitforgRepository .Save(mitforg)
這裏是倉庫類：
using System;
using System.Collections.Generic;
using System.Text;
using NHibernate;
using MIAP.Domain.Entities;
namespace MIAP.Domain.Repositories
{
public class MITFORGRepository : IRepository<MITFORG, Int64?>
{
private static ISession GetSession()
{
return SessionProvider.SessionFactory.OpenSession();
}
public MITFORG GetById(Int64? id)
{
using (ISession session = GetSession())
{
return session.Get<MITFORG>(id);
}
}
public void Save(MITFORG saveObj)
{
using (ISession session = GetSession())
{
using (ITransaction trans = session.BeginTransaction())
{
session.SaveOrUpdate(saveObj);
trans.Commit();
}
}
}
public void Delete(MITFORG delObj)
{
using (ISession session = GetSession())
{
using (ITransaction trans = session.BeginTransaction())
{
session.Delete(delObj);
trans.Commit();
}
}
}
}
}
的的InnerException是System.Data.OracleClient.OracleException，ORA-12571
而且這裏是堆棧跟蹤：
於 System.Data.OracleClient.OracleConnection.CheckError(OciErrorHandle errorHandle, Int32 rc)
於 System.Data.OracleClient.OracleCommand.Execute(OciStatementHandle statementHandle, CommandBehavior behavior, Boolean needRowid, OciRowidDescriptor& rowidDescriptor, ArrayList& resultParameterOrdinals)
於 System.Data.OracleClient.OracleCommand.ExecuteNonQueryInternal(Boolean needRowid, OciRowidDescriptor& rowidDescriptor)
於 System.Data.OracleClient.OracleCommand.ExecuteNonQuery()
於 NHibernate.AdoNet.AbstractBatcher.ExecuteNonQuery(IDbCommand cmd) 於 c:\Users\oskar.berggren\Documents\Projects\nhibernate-core-3\src\NHibernate\AdoNet\AbstractBatcher.cs: 行 203
於 NHibernate.AdoNet.NonBatchingBatcher.AddToBatch(IExpectation expectation) 於 c:\Users\oskar.berggren\Documents\Projects\nhibernate-core-3\src\NHibernate\AdoNet\NonBatchingBatcher.cs: 行 40
於 NHibernate.Persister.Entity.AbstractEntityPersister.Update(Object id, Object[] fields, Object[] oldFields, Object rowId, Boolean[] includeProperty, Int32 j, Object oldVersion, Object obj, SqlCommandInfo sql, ISessionImplementor session) 於 c:\Users\oskar.berggren\Documents\Projects\nhibernate-core-3\src\NHibernate\Persister\Entity\AbstractEntityPersister.cs: 行 2799
SQL中的問號是參數佔位符。參數值通常在查詢結尾。你可以添加試圖保存對象的代碼嗎？ –
謝謝！我在問題中添加了代碼。 – begeeben
我還添加了它的InnerException的堆棧跟蹤。 – begeeben