Dbmslpcn General Network Error. Check Your Network Documentation
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Dbnetlib Connectionwrite (send()). General Network Error. Check Your Network Documentation
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Error [08s01] [microsoft][sql Native Client]communication Link Failure
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Communication Link Failure Sql Server 2012
Windows games Windows phone games Entertainment All Entertainment
Sql Server Error 10054 Communication Link Failure
Movies & TV Music Business & Education Business Students & educators tcp provider: an existing connection was forcibly closed by the remote host. Developers Sale Sale Find a store Gift cards Products Software & services Windows Office Free downloads & security Internet https://support.microsoft.com/en-us/kb/942861 Explorer Microsoft Edge Skype OneNote OneDrive Microsoft Health MSN Bing Microsoft Groove Microsoft Movies & TV Devices & Xbox All Microsoft devices Microsoft Surface All Windows PCs & tablets PC accessories Xbox & games Microsoft Lumia All https://support.microsoft.com/en-us/kb/827452 Windows phones Microsoft HoloLens For business Cloud Platform Microsoft Azure Microsoft Dynamics Windows for business Office for business Skype for business Surface for business Enterprise solutions Small business solutions Find a solutions provider Volume Licensing For developers & IT pros Develop Windows apps Microsoft Azure MSDN TechNet Visual Studio For students & educators Office for students OneNote in classroom Shop PCs & tablets perfect for students Microsoft in Education Support Sign in Cart Cart Javascript is disabled Please enable javascript and refresh the page Cookies are disabled Please enable cookies and refresh the page CV: {{ getCv() }} English (United States) Terms of use Privacy & cookies Trademarks © 2016 Microsoft
here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us http://stackoverflow.com/questions/10755560/auto-recover-when-dbnetlib-connectionwrite-general-network-error-causes-ado-conn Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up Auto-Recover when DBNETLIB ConnectionWrite General network error communication link causes ADO connections to go offline in Delphi applications? up vote 7 down vote favorite 2 Googling this ADO error message indicates that it is commonly encountered in ASP.NET development, but I have not found much mention of when it occurs in Delphi applications. We have some customer sites which are experiencing transient network problems, and this is the symptomatic error message. We can duplicate it in communication link failure office testing easily; Just shut down an MS SQL Server service while your delphi TADOConnection object is connected to a database on that server instance and you get this exception: [DBNETLIB][ConnectionWrite (send()).]General network error. Check your network documentation. Yes, catch this exception, and you know (or do you?) that this error has occurred. Except that this is an 800 KLOC+ application with over 10,000 try-except blocks around database actions, any one of which might fail with this error. TADOConnection has some error events, none of which fire in this case. However, the ADO Connection itself is faulted once this occurs, even if you restart the SQL database, TADOConnection.Connected remains true, but it's lying to you. It's really in a faulted state. So then, my question is: Can you detect this faulted state, and recover from it, in any way that is less work than going into 10,000 individual try-except blocks and setting some global "reconnect ADO global variable"? I am hoping there is a way to go into TADOConnection.ConnectionObject (the underlying raw OLEDB COM ADO object) and detect this fault condition exists when we are starting a new query, so that we can reset the ADOConnection and con