Hangfire Dashboard

CourseSchedulingWorker.DoWork

// 任务编号: c9b5472e-d83f-4524-b678-d8433b9f74a3
using Vickn.Platform.Hangfire.Schools.CourseScheduling;

var courseSchedulingWorker = Activate<CourseSchedulingWorker>();
courseSchedulingWorker.DoWork();
RetryCount
10
CurrentUICulture
"zh-CN"
Time
1773768314
RecurringJobId
"CourseSchedulingWorker"
CurrentCulture
"zh-CN"

状态

2026/3/17 21:51:31 (+11ms) Failed

An exception occurred during performance of the job.

System.InvalidOperationException

The connection does not support MultipleActiveResultSets.

System.InvalidOperationException: The connection does not support MultipleActiveResultSets.
   at Microsoft.Data.SqlClient.SqlInternalConnectionTds.ValidateConnectionForExecute(SqlCommand command)
   at Microsoft.Data.SqlClient.SqlInternalTransaction.Rollback()
   at Microsoft.Data.SqlClient.SqlTransaction.Dispose(Boolean disposing)
   at Microsoft.EntityFrameworkCore.Storage.RelationalTransaction.Dispose()
   at Abp.EntityFrameworkCore.Uow.DbContextEfCoreTransactionStrategy.Dispose(IIocResolver iocResolver)
   at Abp.EntityFrameworkCore.Uow.EfCoreUnitOfWork.DisposeUow()
   at Abp.Domain.Uow.UnitOfWorkBase.Dispose()
   at Abp.Domain.Uow.UnitOfWorkInterceptor.InterceptSynchronous(IInvocation invocation)
   at Castle.DynamicProxy.AbstractInvocation.Proceed()
   at Castle.Proxies.CourseSchedulingWorkerProxy.DoWork()

+11ms Processing

Server:
wocloud-win:70280
Worker:
169ed1f0

+1h 50m Enqueued

Triggered by DelayedJobScheduler

Queue:
default

+ <1ms Scheduled

Retry attempt 10 of 10: The connection does not support MultipleActiveRes…

Enqueue at:
2026/3/17 21:51:29

+14ms Failed

An exception occurred during performance of the job.

System.InvalidOperationException

The connection does not support MultipleActiveResultSets.

System.InvalidOperationException: The connection does not support MultipleActiveResultSets.
   at Microsoft.Data.SqlClient.SqlInternalConnectionTds.ValidateConnectionForExecute(SqlCommand command)
   at Microsoft.Data.SqlClient.SqlInternalTransaction.Rollback()
   at Microsoft.Data.SqlClient.SqlTransaction.Dispose(Boolean disposing)
   at Microsoft.EntityFrameworkCore.Storage.RelationalTransaction.Dispose()
   at Abp.EntityFrameworkCore.Uow.DbContextEfCoreTransactionStrategy.Dispose(IIocResolver iocResolver)
   at Abp.EntityFrameworkCore.Uow.EfCoreUnitOfWork.DisposeUow()
   at Abp.Domain.Uow.UnitOfWorkBase.Dispose()
   at Abp.Domain.Uow.UnitOfWorkInterceptor.InterceptSynchronous(IInvocation invocation)
   at Castle.DynamicProxy.AbstractInvocation.Proceed()
   at Castle.Proxies.CourseSchedulingWorkerProxy.DoWork()

+12ms Processing

Server:
wocloud-win:70280
Worker:
169ed1f0

+1h 10m Enqueued

Triggered by DelayedJobScheduler

Queue:
default

+ <1ms Scheduled

Retry attempt 9 of 10: The connection does not support MultipleActiveRes…

Enqueue at:
2026/3/17 20:00:46

+17ms Failed

An exception occurred during performance of the job.

System.InvalidOperationException

The connection does not support MultipleActiveResultSets.

System.InvalidOperationException: The connection does not support MultipleActiveResultSets.
   at Microsoft.Data.SqlClient.SqlInternalConnectionTds.ValidateConnectionForExecute(SqlCommand command)
   at Microsoft.Data.SqlClient.SqlInternalTransaction.Rollback()
   at Microsoft.Data.SqlClient.SqlTransaction.Dispose(Boolean disposing)
   at Microsoft.EntityFrameworkCore.Storage.RelationalTransaction.Dispose()
   at Abp.EntityFrameworkCore.Uow.DbContextEfCoreTransactionStrategy.Dispose(IIocResolver iocResolver)
   at Abp.EntityFrameworkCore.Uow.EfCoreUnitOfWork.DisposeUow()
   at Abp.Domain.Uow.UnitOfWorkBase.Dispose()
   at Abp.Domain.Uow.UnitOfWorkInterceptor.InterceptSynchronous(IInvocation invocation)
   at Castle.DynamicProxy.AbstractInvocation.Proceed()
   at Castle.Proxies.CourseSchedulingWorkerProxy.DoWork()

+12ms Processing

Server:
wocloud-win:70280
Worker:
18d48c4c

+40m 16.224s Enqueued

Triggered by DelayedJobScheduler

Queue:
default

+ <1ms Scheduled

Retry attempt 8 of 10: The connection does not support MultipleActiveRes…

Enqueue at:
2026/3/17 18:50:35

+12ms Failed

An exception occurred during performance of the job.

System.InvalidOperationException

The connection does not support MultipleActiveResultSets.

System.InvalidOperationException: The connection does not support MultipleActiveResultSets.
   at Microsoft.Data.SqlClient.SqlInternalConnectionTds.ValidateConnectionForExecute(SqlCommand command)
   at Microsoft.Data.SqlClient.SqlInternalTransaction.Rollback()
   at Microsoft.Data.SqlClient.SqlTransaction.Dispose(Boolean disposing)
   at Microsoft.EntityFrameworkCore.Storage.RelationalTransaction.Dispose()
   at Abp.EntityFrameworkCore.Uow.DbContextEfCoreTransactionStrategy.Dispose(IIocResolver iocResolver)
   at Abp.EntityFrameworkCore.Uow.EfCoreUnitOfWork.DisposeUow()
   at Abp.Domain.Uow.UnitOfWorkBase.Dispose()
   at Abp.Domain.Uow.UnitOfWorkInterceptor.InterceptSynchronous(IInvocation invocation)
   at Castle.DynamicProxy.AbstractInvocation.Proceed()
   at Castle.Proxies.CourseSchedulingWorkerProxy.DoWork()

+6ms Processing

Server:
wocloud-win:70280
Worker:
35fd1cb1

+22m 45.774s Enqueued

Triggered by DelayedJobScheduler

Queue:
default

+ <1ms Scheduled

Retry attempt 7 of 10: There is already an open DataReader associated wi…

Enqueue at:
2026/3/17 18:10:13

+18ms Failed

An exception occurred during performance of the job.

System.InvalidOperationException

There is already an open DataReader associated with this Connection which must be closed first.

System.InvalidOperationException: There is already an open DataReader associated with this Connection which must be closed first.
   at Microsoft.Data.SqlClient.SqlInternalConnectionTds.ValidateConnectionForExecute(SqlCommand command)
   at Microsoft.Data.SqlClient.SqlInternalTransaction.Rollback()
   at Microsoft.Data.SqlClient.SqlTransaction.Dispose(Boolean disposing)
   at Microsoft.EntityFrameworkCore.Storage.RelationalTransaction.Dispose()
   at Abp.EntityFrameworkCore.Uow.DbContextEfCoreTransactionStrategy.Dispose(IIocResolver iocResolver)
   at Abp.EntityFrameworkCore.Uow.EfCoreUnitOfWork.DisposeUow()
   at Abp.Domain.Uow.UnitOfWorkBase.Dispose()
   at Abp.Domain.Uow.UnitOfWorkInterceptor.InterceptSynchronous(IInvocation invocation)
   at Castle.DynamicProxy.AbstractInvocation.Proceed()
   at Castle.Proxies.CourseSchedulingWorkerProxy.DoWork()

+4ms Processing

Server:
wocloud-win:70280
Worker:
4b8ee6bf

+11m 45.373s Enqueued

Triggered by DelayedJobScheduler

Queue:
default

+ <1ms Scheduled

Retry attempt 6 of 10: The connection does not support MultipleActiveRes…

Enqueue at:
2026/3/17 17:47:22

+13ms Failed

An exception occurred during performance of the job.

System.InvalidOperationException

The connection does not support MultipleActiveResultSets.

System.InvalidOperationException: The connection does not support MultipleActiveResultSets.
   at Microsoft.Data.SqlClient.SqlInternalConnectionTds.ValidateConnectionForExecute(SqlCommand command)
   at Microsoft.Data.SqlClient.SqlInternalTransaction.Rollback()
   at Microsoft.Data.SqlClient.SqlTransaction.Dispose(Boolean disposing)
   at Microsoft.EntityFrameworkCore.Storage.RelationalTransaction.Dispose()
   at Abp.EntityFrameworkCore.Uow.DbContextEfCoreTransactionStrategy.Dispose(IIocResolver iocResolver)
   at Abp.EntityFrameworkCore.Uow.EfCoreUnitOfWork.DisposeUow()
   at Abp.Domain.Uow.UnitOfWorkBase.Dispose()
   at Abp.Domain.Uow.UnitOfWorkInterceptor.InterceptSynchronous(IInvocation invocation)
   at Castle.DynamicProxy.AbstractInvocation.Proceed()
   at Castle.Proxies.CourseSchedulingWorkerProxy.DoWork()

+10ms Processing

Server:
wocloud-win:70280
Worker:
1658ea57

+5m 109ms Enqueued

Triggered by DelayedJobScheduler

Queue:
default

+ <1ms Scheduled

Retry attempt 5 of 10: There is already an open DataReader associated wi…

Enqueue at:
2026/3/17 17:35:34

+15ms Failed

An exception occurred during performance of the job.

System.InvalidOperationException

There is already an open DataReader associated with this Connection which must be closed first.

System.InvalidOperationException: There is already an open DataReader associated with this Connection which must be closed first.
   at Microsoft.Data.SqlClient.SqlInternalConnectionTds.ValidateConnectionForExecute(SqlCommand command)
   at Microsoft.Data.SqlClient.SqlInternalTransaction.Rollback()
   at Microsoft.Data.SqlClient.SqlTransaction.Dispose(Boolean disposing)
   at Microsoft.EntityFrameworkCore.Storage.RelationalTransaction.Dispose()
   at Abp.EntityFrameworkCore.Uow.DbContextEfCoreTransactionStrategy.Dispose(IIocResolver iocResolver)
   at Abp.EntityFrameworkCore.Uow.EfCoreUnitOfWork.DisposeUow()
   at Abp.Domain.Uow.UnitOfWorkBase.Dispose()
   at Abp.Domain.Uow.UnitOfWorkInterceptor.InterceptSynchronous(IInvocation invocation)
   at Castle.DynamicProxy.AbstractInvocation.Proceed()
   at Castle.Proxies.CourseSchedulingWorkerProxy.DoWork()

+16ms Processing

Server:
wocloud-win:70280
Worker:
1f0e4fbe

+2m 30.081s Enqueued

Triggered by DelayedJobScheduler

Queue:
default

+ <1ms Scheduled

Retry attempt 4 of 10: There is already an open DataReader associated wi…

Enqueue at:
2026/3/17 17:30:46

+20ms Failed

An exception occurred during performance of the job.

System.InvalidOperationException

There is already an open DataReader associated with this Connection which must be closed first.

System.InvalidOperationException: There is already an open DataReader associated with this Connection which must be closed first.
   at Microsoft.Data.SqlClient.SqlInternalConnectionTds.ValidateConnectionForExecute(SqlCommand command)
   at Microsoft.Data.SqlClient.SqlInternalTransaction.Rollback()
   at Microsoft.Data.SqlClient.SqlTransaction.Dispose(Boolean disposing)
   at Microsoft.EntityFrameworkCore.Storage.RelationalTransaction.Dispose()
   at Abp.EntityFrameworkCore.Uow.DbContextEfCoreTransactionStrategy.Dispose(IIocResolver iocResolver)
   at Abp.EntityFrameworkCore.Uow.EfCoreUnitOfWork.DisposeUow()
   at Abp.Domain.Uow.UnitOfWorkBase.Dispose()
   at Abp.Domain.Uow.UnitOfWorkInterceptor.InterceptSynchronous(IInvocation invocation)
   at Castle.DynamicProxy.AbstractInvocation.Proceed()
   at Castle.Proxies.CourseSchedulingWorkerProxy.DoWork()

+13ms Processing

Server:
wocloud-win:70280
Worker:
98427331

+1m 30.083s Enqueued

Triggered by DelayedJobScheduler

Queue:
default

+ <1ms Scheduled

Retry attempt 3 of 10: There is already an open DataReader associated wi…

Enqueue at:
2026/3/17 17:28:16

+15ms Failed

An exception occurred during performance of the job.

System.InvalidOperationException

There is already an open DataReader associated with this Connection which must be closed first.

System.InvalidOperationException: There is already an open DataReader associated with this Connection which must be closed first.
   at Microsoft.Data.SqlClient.SqlInternalConnectionTds.ValidateConnectionForExecute(SqlCommand command)
   at Microsoft.Data.SqlClient.SqlInternalTransaction.Rollback()
   at Microsoft.Data.SqlClient.SqlTransaction.Dispose(Boolean disposing)
   at Microsoft.EntityFrameworkCore.Storage.RelationalTransaction.Dispose()
   at Abp.EntityFrameworkCore.Uow.DbContextEfCoreTransactionStrategy.Dispose(IIocResolver iocResolver)
   at Abp.EntityFrameworkCore.Uow.EfCoreUnitOfWork.DisposeUow()
   at Abp.Domain.Uow.UnitOfWorkBase.Dispose()
   at Abp.Domain.Uow.UnitOfWorkInterceptor.InterceptSynchronous(IInvocation invocation)
   at Castle.DynamicProxy.AbstractInvocation.Proceed()
   at Castle.Proxies.CourseSchedulingWorkerProxy.DoWork()

+4ms Processing

Server:
wocloud-win:70280
Worker:
f8802aee

+1m 15.019s Enqueued

Triggered by DelayedJobScheduler

Queue:
default

+ <1ms Scheduled

Retry attempt 2 of 10: The connection does not support MultipleActiveRes…

Enqueue at:
2026/3/17 17:26:37

+16ms Failed

An exception occurred during performance of the job.

System.InvalidOperationException

The connection does not support MultipleActiveResultSets.

System.InvalidOperationException: The connection does not support MultipleActiveResultSets.
   at Microsoft.Data.SqlClient.SqlInternalConnectionTds.ValidateConnectionForExecute(SqlCommand command)
   at Microsoft.Data.SqlClient.SqlInternalTransaction.Rollback()
   at Microsoft.Data.SqlClient.SqlTransaction.Dispose(Boolean disposing)
   at Microsoft.EntityFrameworkCore.Storage.RelationalTransaction.Dispose()
   at Abp.EntityFrameworkCore.Uow.DbContextEfCoreTransactionStrategy.Dispose(IIocResolver iocResolver)
   at Abp.EntityFrameworkCore.Uow.EfCoreUnitOfWork.DisposeUow()
   at Abp.Domain.Uow.UnitOfWorkBase.Dispose()
   at Abp.Domain.Uow.UnitOfWorkInterceptor.InterceptSynchronous(IInvocation invocation)
   at Castle.DynamicProxy.AbstractInvocation.Proceed()
   at Castle.Proxies.CourseSchedulingWorkerProxy.DoWork()

+6ms Processing

Server:
wocloud-win:70280
Worker:
4b8ee6bf

+18.269s Enqueued

Triggered by DelayedJobScheduler

Queue:
default

+ <1ms Scheduled

Retry attempt 1 of 10: The connection does not support MultipleActiveRes…

Enqueue at:
2026/3/17 17:25:31

+41ms Failed

An exception occurred during performance of the job.

System.InvalidOperationException

The connection does not support MultipleActiveResultSets.

System.InvalidOperationException: The connection does not support MultipleActiveResultSets.
   at Microsoft.Data.SqlClient.SqlInternalConnectionTds.ValidateConnectionForExecute(SqlCommand command)
   at Microsoft.Data.SqlClient.SqlInternalTransaction.Rollback()
   at Microsoft.Data.SqlClient.SqlTransaction.Dispose(Boolean disposing)
   at Microsoft.EntityFrameworkCore.Storage.RelationalTransaction.Dispose()
   at Abp.EntityFrameworkCore.Uow.DbContextEfCoreTransactionStrategy.Dispose(IIocResolver iocResolver)
   at Abp.EntityFrameworkCore.Uow.EfCoreUnitOfWork.DisposeUow()
   at Abp.Domain.Uow.UnitOfWorkBase.Dispose()
   at Abp.Domain.Uow.UnitOfWorkInterceptor.InterceptSynchronous(IInvocation invocation)
   at Castle.DynamicProxy.AbstractInvocation.Proceed()
   at Castle.Proxies.CourseSchedulingWorkerProxy.DoWork()

+13ms Processing

Server:
wocloud-win:70280
Worker:
4b8ee6bf

+ <1ms Enqueued

Triggered by recurring job scheduler

Queue:
default

2026/3/17 17:25:14 Created