## 💢 特别说明：如果 Issue 没有严格按照模板编写且未提供测试源码下载或 Git 测试仓库地址，则视为无效 `Issue`，将无法得到答复。

### Furion 版本号

哪个版本号？

---

### .NET SDK 版本号

- [ ] .NET5

- [ ] .NET6

- [x] .NET7

---

### 项目类型

- [x] WebApi

- [ ] Mvc

- [ ] Razor Pages

- [ ] Blazor Server

- [ ] MinApp

- [ ] WinForm

- [ ] WPF

- [ ] Console

---

### 操作系统和版本

- [x] Windows（版本号？Windows11）

- [ ] Linux（版本号？）

- [ ] MacOS（版本号？）

- [ ] 其他（版本号？）

---

### 代码环境

- [x] 开发环境（Development）

- [ ] 生产环境（Production）

- [ ] 测试环境（Tests/单元测试/集成测试 ）

---

### 描述你的问题

发生了什么？

efcore 添加时报错；错误信息为：Object reference not set to an instance of an object.

```

public class Startup : AppStartup

{

public void ConfigureServices(IServiceCollection services)

{

services.AddDatabaseAccessor(options =>

{

options.AddDbPool<EQUDbContext>(DbProvider.Oracle);

options.AddDbPool<CHKDbContext, CHKDbContextLocator>(DbProvider.Oracle);

options.AddDbPool<NBDWDbContext, NBDWDbContextLocator>(DbProvider.Oracle);

options.AddDbPool<NBITGDbContext, NBITGDbContextLocator>(DbProvider.Oracle);

options.AddDbPool<DPSDbContext, DPSDbContextLocator>(DbProvider.Oracle);

options.AddDbPool<PMSDbContext, PMSDbContextLocator>(DbProvider.Oracle);

options.AddDbPool<SMESDbContext, SMESDbContextLocator>(DbProvider.Oracle);

options.AddDbPool<PUBDbContext, PUBDbContextLocator>(DbProvider.Oracle);

options.AddDbPool<PRMDbContext, PRMDbContextLocator>(DbProvider.Oracle);

options.AddDbPool<QUADbContext, QUADbContextLocator>(DbProvider.Oracle);

options.AddDbPool<STDDbContext, STDDbContextLocator>(DbProvider.Oracle);

options.AddDbPool<MYBASEDbContext, MYBASEDbContextLocator>(DbProvider.Oracle);

}, "Scene.Database.Migrations");

}

}

```

```

[AppDbContext("MYBASEConnectionString", DbProvider.Oracle)]

public class MYBASEDbContext : AppDbContext<MYBASEDbContext, MYBASEDbContextLocator>

{

public MYBASEDbContext(DbContextOptions<MYBASEDbContext> options) : base(options)

{

// 启用实体数据更改监听

EnabledEntityChangedListener = false;

// 忽略空值更新

//InsertOrUpdateIgnoreNullValues = true;

}

}

```

```

public class CRAFTPERDISPOSITION : IEntity<MYBASEDbContextLocator>, IEntityTypeBuilder<CRAFTPERDISPOSITION, MYBASEDbContextLocator>

{

public string ID { get; set; }

public CRAFTPERDISPOSITION Add<T>(T data)

{

var userData = App.HttpContext.Items["userData"] as UserData;

data.Adapt(this);

this.ID = Guid.NewGuid().ToString();

//this.CREATOR = userData.UserId;

//this.CREATIONDATE = DateTime.Now;

//this.LASTOPERATOR = userData.UserId;

//this.LASTOPERATETIME = DateTime.Now;

//this.ISDEL = false;

return this;

}

public CRAFTPERDISPOSITION Set<T>(T data)

{

var userData = App.HttpContext.Items["userData"] as UserData;

data.Adapt(this);

return this;

}

public CRAFTPERDISPOSITION Del()

{

return this;

}

public void Configure(EntityTypeBuilder<CRAFTPERDISPOSITION> entityBuilder, DbContext dbContext, Type dbContextLocator)

{

entityBuilder.HasKey(e => e.ID);

entityBuilder.Property(e => e.ID)

.HasMaxLength(36)

.IsUnicode(false);

}

```

```

public class Craftperdisposition : IDynamicApiController

{

private readonly IRepository<CRAFTPERDISPOSITION, MYBASEDbContextLocator> _main;

public Craftperdisposition(IRepository<CRAFTPERDISPOSITION, MYBASEDbContextLocator> main)

{

_main = main;

}

}

public async Task AddCraftperdisposition(CRAFTPERDISPOSITIONBase inData)

{

var data = new CRAFTPERDISPOSITION();

data.ID = Guid.NewGuid().ToString("N");

await data.InsertAsync();

}

```

---

### 异常堆栈信息

异常堆栈是什么？

System.NullReferenceException: Object reference not set to an instance of an object.

at Furion.DatabaseAccessor.EntityExecutePart`1.InsertAsync(Nullable`1 ignoreNullValues, CancellationToken cancellationToken)

at Furion.DatabaseAccessor.Extensions.IEntityExtensions.InsertAsync[TEntity](TEntity entity, Nullable`1 ignoreNullValues, CancellationToken cancellationToken)

at Scene.Application.CraftperdispositionControllers.Craftperdisposition.AddCraftperdisposition(CRAFTPERDISPOSITIONBase inData) in D:\项目\宁波烟厂\现场代码\现场（新）\Scene.Application\CraftperdispositionControllers\Craftperdisposition.cs:line 53

at Microsoft.AspNetCore.Mvc.Infrastructure.ActionMethodExecutor.TaskResultExecutor.Execute(ActionContext actionContext, IActionResultTypeMapper mapper, ObjectMethodExecutor executor, Object controller, Object[] arguments)

at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.<InvokeActionMethodAsync>g__Logged|12_1(ControllerActionInvoker invoker)

at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.<InvokeNextActionFilterAsync>g__Awaited|10_0(ControllerActionInvoker invoker, Task lastTask, State next, Scope scope, Object state, Boolean isCompleted)

at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.Rethrow(ActionExecutedContextSealed context)

at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.Next(State& next, Scope& scope, Object& state, Boolean& isCompleted)

at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.InvokeInnerFilterAsync()

--- End of stack trace from previous location ---

at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.<InvokeNextExceptionFilterAsync>g__Awaited|26_0(ResourceInvoker invoker, Task lastTask, State next, Scope scope, Object state, Boolean isCompleted)

---

### 测试项目代码

> **⚠⚠ 必须提供完整可运行且包含错误的 `Git` 仓库 DEMO，DEMO 提供最简单的错误逻辑代码，否则将无法得到答复。⚠⚠**

您的代码下载地址？

---

### 数据库信息和版本

请提供安装的 `Nuget` 包版本号。

- [ ] Sqlite（包名和版本号？）

- [ ] SqlServer（包名和版本号？）

- [ ] MySQL（包名和版本号？）

- [x] Oracle（Oracle.EntityFrameworkCore 7.21.8）

- [ ] PostgreSQL（包名和版本号？）

- [ ] Firebird（包名和版本号？）

- [ ] Cosmos（包名和版本号？）

- [ ] InMemoryDatabase（包名和版本号？）

- [ ] 无

---

### 期待结果

期待的结果是？

---

### 确认工单

public class CRAFTPERDISPOSITION : IEntity<MYBASEDbContextLocator>, IEntityTypeBuilder<CRAFTPERDISPOSITION, MYBASEDbContextLocator>

{

public string ID { get; set; }

public CRAFTPERDISPOSITION Add<T>(T data)

{

var userData = App.HttpContext.Items["userData"] as UserData;

data.Adapt(this);

this.ID = Guid.NewGuid().ToString();

//this.CREATOR = userData.UserId;

//this.CREATIONDATE = DateTime.Now;

//this.LASTOPERATOR = userData.UserId;

//this.LASTOPERATETIME = DateTime.Now;

//this.ISDEL = false;

return this;

}

public CRAFTPERDISPOSITION Set<T>(T data)

{

var userData = App.HttpContext.Items["userData"] as UserData;

data.Adapt(this);

public CRAFTPERDISPOSITION Del()

return this;

}

public void Configure(EntityTypeBuilder<CRAFTPERDISPOSITION> entityBuilder, DbContext dbContext, Type dbContextLocator)

{

entityBuilder.HasKey(e => e.ID);

entityBuilder.Property(e => e.ID)

.HasMaxLength(36)

.IsUnicode(false);

}

```

```

public class Craftperdisposition : IDynamicApiController

{

private readonly IRepository<CRAFTPERDISPOSITION, MYBASEDbContextLocator> _main;

public Craftperdisposition(IRepository<CRAFTPERDISPOSITION, MYBASEDbContextLocator> main)

{

_main = main;

}

}

public async Task AddCraftperdisposition(CRAFTPERDISPOSITIONBase inData)

{

var data = new CRAFTPERDISPOSITION();

data.ID = Guid.NewGuid().ToString("N");

await data.InsertAsync();

```

---

### 异常堆栈信息

异常堆栈是什么？

System.NullReferenceException: Object reference not set to an instance of an object.

at Furion.DatabaseAccessor.EntityExecutePart`1.InsertAsync(Nullable`1 ignoreNullValues, CancellationToken cancellationToken)

at Furion.DatabaseAccessor.Extensions.IEntityExtensions.InsertAsync[TEntity](TEntity entity, Nullable`1 ignoreNullValues, CancellationToken cancellationToken)

at Scene.Application.CraftperdispositionControllers.Craftperdisposition.AddCraftperdisposition(CRAFTPERDISPOSITIONBase inData) in D:\项目\宁波烟厂\现场代码\现场（新）\Scene.Application\CraftperdispositionControllers\Craftperdisposition.cs:line 53

at Microsoft.AspNetCore.Mvc.Infrastructure.ActionMethodExecutor.TaskResultExecutor.Execute(ActionContext actionContext, IActionResultTypeMapper mapper, ObjectMethodExecutor executor, Object controller, Object[] arguments)

at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.<InvokeActionMethodAsync>g__Logged|12_1(ControllerActionInvoker invoker)

at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.<InvokeNextActionFilterAsync>g__Awaited|10_0(ControllerActionInvoker invoker, Task lastTask, State next, Scope scope, Object state, Boolean isCompleted)

at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.Rethrow(ActionExecutedContextSealed context)

at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.Next(State& next, Scope& scope, Object& state, Boolean& isCompleted)

at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.InvokeInnerFilterAsync()

--- End of stack trace from previous location ---

at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.<InvokeNextExceptionFilterAsync>g__Awaited|26_0(ResourceInvoker invoker, Task lastTask, State next, Scope scope, Object state, Boolean isCompleted)

---

### 测试项目代码

> **⚠⚠ 必须提供完整可运行且包含错误的 `Git` 仓库 DEMO，DEMO 提供最简单的错误逻辑代码，否则将无法得到答复。⚠⚠**

您的代码下载地址？

---

### 数据库信息和版本

请提供安装的 `Nuget` 包版本号。

- [ ] Sqlite（包名和版本号？）

- [ ] SqlServer（包名和版本号？）

- [ ] MySQL（包名和版本号？）

- [x] Oracle（Oracle.EntityFrameworkCore 7.21.8）

- [ ] PostgreSQL（包名和版本号？）

- [ ] Firebird（包名和版本号？）

- [ ] Cosmos（包名和版本号？）

- [ ] InMemoryDatabase（包名和版本号？）

- [ ] 无

---

### 期待结果

期待的结果是？

---

### 确认工单

**为了减少不必要的沟通成本和时间成本，请再次确认 `Issue` 已按照要求正确填写，否则将被直接关闭。**

public CRAFTPERDISPOSITION Add<T>(T data)

{

var userData = App.HttpContext.Items["userData"] as UserData;

data.Adapt(this);

this.ID = Guid.NewGuid().ToString();

//this.CREATOR = userData.UserId;

//this.CREATIONDATE = DateTime.Now;

//this.LASTOPERATOR = userData.UserId;

//this.LASTOPERATETIME = DateTime.Now;

//this.ISDEL = false;

return this;

}

public CRAFTPERDISPOSITION Set<T>(T data)

{

var userData = App.HttpContext.Items["userData"] as UserData;

data.Adapt(this);

return this;

}

public CRAFTPERDISPOSITION Del()

{

return this;

}

public void Configure(EntityTypeBuilder<CRAFTPERDISPOSITION> entityBuilder, DbContext dbContext, Type dbContextLocator)

{

entityBuilder.HasKey(e => e.ID);

entityBuilder.Property(e => e.ID)

.HasMaxLength(36)

.IsUnicode(false);

}

```

```

public class Craftperdisposition : IDynamicApiController

{

private readonly IRepository<CRAFTPERDISPOSITION, MYBASEDbContextLocator> _main;

public Craftperdisposition(IRepository<CRAFTPERDISPOSITION, MYBASEDbContextLocator> main)

{

_main = main;

}

}

public async Task AddCraftperdisposition(CRAFTPERDISPOSITIONBase inData)

{

var data = new CRAFTPERDISPOSITION();

data.ID = Guid.NewGuid().ToString("N");

await data.InsertAsync();

}

```

---

### 异常堆栈信息

异常堆栈是什么？

System.NullReferenceException: Object reference not set to an instance of an object.

at Furion.DatabaseAccessor.EntityExecutePart`1.InsertAsync(Nullable`1 ignoreNullValues, CancellationToken cancellationToken)

at Furion.DatabaseAccessor.Extensions.IEntityExtensions.InsertAsync[TEntity](TEntity entity, Nullable`1 ignoreNullValues, CancellationToken cancellationToken)

at Scene.Application.CraftperdispositionControllers.Craftperdisposition.AddCraftperdisposition(CRAFTPERDISPOSITIONBase inData) in D:\项目\宁波烟厂\现场代码\现场（新）\Scene.Application\CraftperdispositionControllers\Craftperdisposition.cs:line 53

at Microsoft.AspNetCore.Mvc.Infrastructure.ActionMethodExecutor.TaskResultExecutor.Execute(ActionContext actionContext, IActionResultTypeMapper mapper, ObjectMethodExecutor executor, Object controller, Object[] arguments)

at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.<InvokeActionMethodAsync>g__Logged|12_1(ControllerActionInvoker invoker)

at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.<InvokeNextActionFilterAsync>g__Awaited|10_0(ControllerActionInvoker invoker, Task lastTask, State next, Scope scope, Object state, Boolean isCompleted)

at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.Rethrow(ActionExecutedContextSealed context)

at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.Next(State& next, Scope& scope, Object& state, Boolean& isCompleted)

at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.InvokeInnerFilterAsync()

--- End of stack trace from previous location ---

at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.<InvokeNextExceptionFilterAsync>g__Awaited|26_0(ResourceInvoker invoker, Task lastTask, State next, Scope scope, Object state, Boolean isCompleted)

---

### 测试项目代码

> **⚠⚠ 必须提供完整可运行且包含错误的 `Git` 仓库 DEMO，DEMO 提供最简单的错误逻辑代码，否则将无法得到答复。⚠⚠**

您的代码下载地址？

---

### 数据库信息和版本

请提供安装的 `Nuget` 包版本号。

- [ ] Sqlite（包名和版本号？）

- [ ] SqlServer（包名和版本号？）

- [ ] MySQL（包名和版本号？）

- [x] Oracle（Oracle.EntityFrameworkCore 7.21.8）

- [ ] PostgreSQL（包名和版本号？）

- [ ] Firebird（包名和版本号？）

- [ ] Cosmos（包名和版本号？）

- [ ] InMemoryDatabase（包名和版本号？）

- [ ] 无

---

### 期待结果

期待的结果是？

---

### 确认工单

**为了减少不必要的沟通成本和时间成本，请再次确认 `Issue` 已按照要求正确填写，否则将被直接关闭。**

- [] MySQL（包名和版本号？）

- [x] MySQL（包名和版本号？）

System.NullReferenceException: Object reference not set to an instance of an object.

at Furion.DatabaseAccessor.EntityExecutePart`1.InsertAsync(Nullable`1 ignoreNullValues, CancellationToken cancellationToken)

at Furion.DatabaseAccessor.Extensions.IEntityExtensions.InsertAsync[TEntity](TEntity entity, Nullable`1 ignoreNullValues, CancellationToken cancellationToken)

at Scene.Application.CraftperdispositionControllers.Craftperdisposition.AddCraftperdisposition(CRAFTPERDISPOSITIONBase inData) in D:\项目\宁波烟厂\现场代码\现场（新）\Scene.Application\CraftperdispositionControllers\Craftperdisposition.cs:line 53

at Microsoft.AspNetCore.Mvc.Infrastructure.ActionMethodExecutor.TaskResultExecutor.Execute(ActionContext actionContext, IActionResultTypeMapper mapper, ObjectMethodExecutor executor, Object controller, Object[] arguments)

at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.<InvokeActionMethodAsync>g__Logged|12_1(ControllerActionInvoker invoker)

at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.<InvokeNextActionFilterAsync>g__Awaited|10_0(ControllerActionInvoker invoker, Task lastTask, State next, Scope scope, Object state, Boolean isCompleted)

at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.Rethrow(ActionExecutedContextSealed context)

at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.Next(State& next, Scope& scope, Object& state, Boolean& isCompleted)

at Microsoft.AspNetCore.Mvc.Infrastructure.ControllerActionInvoker.InvokeInnerFilterAsync()

--- End of stack trace from previous location ---

at Microsoft.AspNetCore.Mvc.Infrastructure.ResourceInvoker.<InvokeNextExceptionFilterAsync>g__Awaited|26_0(ResourceInvoker invoker, Task lastTask, State next, Scope scope, Object state, Boolean isCompleted)

---

### 测试项目代码

> **⚠⚠ 必须提供完整可运行且包含错误的 `Git` 仓库 DEMO，DEMO 提供最简单的错误逻辑代码，否则将无法得到答复。⚠⚠**

您的代码下载地址？

https://gitee.com/Ticlj/furion-test.git

---

### 数据库信息和版本

请提供安装的 `Nuget` 包版本号。

- [ ] Sqlite（包名和版本号？）

- [ ] SqlServer（包名和版本号？）

- [ ] MySQL（包名和版本号？）

- [x] Oracle（Oracle.EntityFrameworkCore 7.21.8）

- [ ] PostgreSQL（包名和版本号？）

- [ ] Firebird（包名和版本号？）

- [ ] Cosmos（包名和版本号？）

- [] InMemoryDatabase（包名和版本号？）

- [ ] 无

---

### 期待结果

期待的结果是？

---

### 确认工单

**为了减少不必要的沟通成本和时间成本，请再次确认 `Issue` 已按照要求正确填写，否则将被直接关闭。**