【问题标题】:No Database Instance in nopcommerce 3.90nopcommerce 3.90 中没有数据库实例
【发布时间】:2017-08-12 12:19:21
【问题描述】:

我在 nopcommerce 3.90 中运行项目时遇到错误,有时它运行良好,但有时会显示“无数据库实例”的错误。我很惊讶它显示了这种类型的错误。因为我为运行 nopcommerce 项目所做的正常事情。

我做过这些事情:

  • 通过安装nopcommerce来设置设置文件。

  • 删除nopcommerce的bin文件夹。

  • 清理解决方案并重建它。

但仍然面临同样的问题。

【问题讨论】:

    标签: nopcommerce-3.90


    【解决方案1】:

    "no database instance" 此类错误发生在 Nopcommerce 无法连接数据库时。如果您已在本地创建数据库,请尝试查找 SQL 服务并重新启动该服务。但是,如果您将数据库托管在任何其他服务器上,请检查您的网络连接。

    【讨论】:

      【解决方案2】:
      There are some of summery solution that i have mention as below
      => Since i had moved a live cart to a test server, the settings in the database for that cart had force ssl and also force www before any url. Also under Store settings i still had the domain info for that site which was now difrent in the test server. Once i noticed this and updated the database it all started working.
      => 
      You try change settings.txt file:
      DataConnectionString: Data Source=localhost/IP;Initial Catalog=DBName;Integrated Security=False;Persist Security Info=False;User ID=DBUser;Password=DBPass;MultipleActiveResultSets=True
      => 
      In my case I need config application pool for nopcomerce
      
      my connection string 
      DataProvider: sqlserver
      DataConnectionString: Data Source=.;Initial Catalog=nopcommerce370;Integrated Security=True;Persist Security Info=False
      
      I need set Application Pool Identity to user has access right to db
      Check the image to details.
      =>  Check also db permission.
      => try with
      Data Source=9X.2XX.7X.XX\"yoursqlservenameinstance"
      or
      Data Source="yournamemachine"
      or
      Data Source="yournamemachine"\"yoursqlservenameinstance"
      

      【讨论】:

        【解决方案3】:

        你可以做一些类似的事情

        • 检查App_data上的设置文件是否存在

        • 检查连接字符串是否正确

        • 通过尝试连接检查您的 SQL 服务器是否正常工作或停止

        • 清除浏览器缓存

        【讨论】:

          【解决方案4】:

          试试这个``

          Right click on the downloaded file (nopCommerce_3.40_Source.rar) ->select  properties -> press "Unblock".
          

          and change connection string in Settings.txt file.
          

          【讨论】:

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