有时候打开底层提供程序失败了。 [英] Getting the underlying provider failed on open sometimes.

问题描述

Task Tennis W - Updates with Api Task ID 2020 has failed at 01/03/2017 7:27:39 AM due to The underlying provider failed on Open. .The full trace for error are as follow :at System.Data.EntityClient.EntityConnection.OpenStoreConnectionIf(Boolean openCondition, DbConnection storeConnectionToOpen, DbConnection originalConnection, String exceptionCode, String attemptedOperation, Boolean& closeStoreConnectionOnFailure)at System.Data.EntityClient.EntityConnection.Open()at System.Data.Objects.ObjectContext.EnsureConnection()at System.Data.Objects.ObjectQuery`1.GetResults(Nullable`1 forMergeOption)at System.Data.Objects.ObjectQuery`1.System.Collections.Generic.IEnumerable.GetEnumerator()at System.Linq.Enumerable.FirstOrDefault[TSource](IEnumerable`1 source)at System.Linq.Queryable.FirstOrDefault[TSource](IQueryable`1 source)at ADMISION.Data.ActionMappingDataAccess.GetActionMappingByActionIdUniversityId(Int64 actionId, Int64 universityId)at ADMISION.Business.Component.ActionMappingComponent.GetActionMappingByActionIdUniversityId(Int64 actionId, Int64 universityId)at ADMISION.Task.TaskCS.DataProcessor.Filter(List`1 rows, TaskObject taskObject, HubApiTask apiTask)at ADMISION.Task.TaskCS.Processor.ProcessTask(TaskObject taskObject, HubApiTask apiTask, HubTaskHistory hubTaskHistory, String& returndata) .The UniversityID is 388 and Name is Haverford.

我尝试过：



我不知道如何解决这个错误。

What I have tried:

I am not sure how to resolve this bug.

推荐答案

无法访问数据库服务器。问题的根本原因是凭据无效或服务器名称或IP地址错误。

Database server is not accessible. root cause of the issue are credentials are invalid or server name or IP address is wrong.

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