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Sudden Error on IIS
Hi EE,
Lodged one our IIS webservers today to check on an issue and I got the following error message:
PROBLEM
Unable to connect to the database.
The error message returned was:
Timeout expired. The timeout period elapsed prior to obtaining a connection from the pool. This may have occurred because all pooled connections were in use and max pool size was reached.
Then I restarted the IIS Server
Now, this error message appears.
Runtime Error
Description: An exception occurred while processing your request. Additionally, another exception occurred while executing the custom error page for the first exception. The request has been terminated.
I rebooted the server entirely at this point but the issue still persists.
No updates have applied to the server recently. How would I go about troubleshooting this any assistance is appreciated.
Running windows server 2016 IIS v10.
Thank you.
Lodged one our IIS webservers today to check on an issue and I got the following error message:
PROBLEM
Unable to connect to the database.
The error message returned was:
Timeout expired. The timeout period elapsed prior to obtaining a connection from the pool. This may have occurred because all pooled connections were in use and max pool size was reached.
Then I restarted the IIS Server
Now, this error message appears.
Runtime Error
Description: An exception occurred while processing your request. Additionally, another exception occurred while executing the custom error page for the first exception. The request has been terminated.
I rebooted the server entirely at this point but the issue still persists.
No updates have applied to the server recently. How would I go about troubleshooting this any assistance is appreciated.
Running windows server 2016 IIS v10.
Thank you.
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Hi there! :)
Do you mean error 401? Error 401 means "bad" username or "bad" password. This would be because you are allowing anonymous access. The anonymous user password specified in the Internet Information Services Microsoft Management Console does not match what is set for the account in user manage. You can try making sure it matches and that should fix the problem.
Do you mean error 401? Error 401 means "bad" username or "bad" password. This would be because you are allowing anonymous access. The anonymous user password specified in the Internet Information Services Microsoft Management Console does not match what is set for the account in user manage. You can try making sure it matches and that should fix the problem.
Turn off custom errors to get the actual error.
Look at your database logs. I wonder if there is a process that is running for a long time or using up all your resources. When that happens it may crash your app pool and recycling gets a temporary fix until that happens again.
Look at your database logs. I wonder if there is a process that is running for a long time or using up all your resources. When that happens it may crash your app pool and recycling gets a temporary fix until that happens again.
Hi Scott,
I turned custom error messages off and rebooted the IIS server the error message hasn't changed.
Any ideas?
Thank you.
I turned custom error messages off and rebooted the IIS server the error message hasn't changed.
Any ideas?
Thank you.
In manager studio, I would look either under the management tree > SQL Server logs as well as right click on the database and select Activity Monitor. Start up the app and observe what is taking place in sql server that may be hogging resources.
Hi Scott,
Just checked nothing there, also restarted the SQL Server still the same issue.
Thank you.
Just checked nothing there, also restarted the SQL Server still the same issue.
Thank you.
All I would know to do is check your server logs, site logs and also watch the process monitor when you restart and bring things back up.
Hi Scott,
Nothing much appeared Procmon that really stood, I will uninstall the IIS web service and reinstall it and see that resolves the issue.
Thank you.
Nothing much appeared Procmon that really stood, I will uninstall the IIS web service and reinstall it and see that resolves the issue.
Thank you.
Hi Scott,
Uninstalled-reinstalled the web server this issue now appears in the event logs:
Event code: 3005
Event message: An unhandled exception has occurred.
Event time: 12/12/2019 9:55:58 AM
Event time (UTC): 12/11/2019 11:55:58 PM
Event ID: dcf5eadb8e9049e5adb5294e1c
Event sequence: 38
Event occurrence: 5
Event detail code: 0
Application information:
Application domain: /LM/W3SVC/1/ROOT/RiskmanTe
Trust level: Full
Application Virtual Path: /RiskmanTest
Application Path: C:\RiskManNET\RiskMan\
Machine name: EFSVONTWEB04
Process information:
Process ID: 1636
Process name: w3wp.exe
Account name: IIS APPPOOL\DefaultAppPool
Exception information:
Exception type: SqlException
Exception message: The transaction log for database 'RiskMan_Test' is full due to 'LOG_BACKUP'.
at RiskManNetData.DataAccessC
at RiskManNetSession.SessionC
at RiskManNet.RMPage.Page_Ini
at System.EventHandler.Invoke
at System.Web.UI.Control.OnIn
at System.Web.UI.Page.OnInit(
at System.Web.UI.Control.Init
at System.Web.UI.Page.Process
Request information:
Request URL: http://localhost/RiskmanTest/default.aspx
Request path: /RiskmanTest/default.aspx
User host address: ::1
User:
Is authenticated: False
Authentication Type:
Thread account name: IIS APPPOOL\DefaultAppPool
Thread information:
Thread ID: 40
Thread account name: IIS APPPOOL\DefaultAppPool
Is impersonating: False
Stack trace: at RiskManNetData.DataAccessC
at RiskManNetSession.SessionC
at RiskManNet.RMPage.Page_Ini
at System.EventHandler.Invoke
at System.Web.UI.Control.OnIn
at System.Web.UI.Page.OnInit(
at System.Web.UI.Control.Init
at System.Web.UI.Page.Process
Custom event details:
Looks to be DB issue I will investigate.
Thank you.
Uninstalled-reinstalled the web server this issue now appears in the event logs:
Event code: 3005
Event message: An unhandled exception has occurred.
Event time: 12/12/2019 9:55:58 AM
Event time (UTC): 12/11/2019 11:55:58 PM
Event ID: dcf5eadb8e9049e5adb5294e1c
Event sequence: 38
Event occurrence: 5
Event detail code: 0
Application information:
Application domain: /LM/W3SVC/1/ROOT/RiskmanTe
Trust level: Full
Application Virtual Path: /RiskmanTest
Application Path: C:\RiskManNET\RiskMan\
Machine name: EFSVONTWEB04
Process information:
Process ID: 1636
Process name: w3wp.exe
Account name: IIS APPPOOL\DefaultAppPool
Exception information:
Exception type: SqlException
Exception message: The transaction log for database 'RiskMan_Test' is full due to 'LOG_BACKUP'.
at RiskManNetData.DataAccessC
at RiskManNetSession.SessionC
at RiskManNet.RMPage.Page_Ini
at System.EventHandler.Invoke
at System.Web.UI.Control.OnIn
at System.Web.UI.Page.OnInit(
at System.Web.UI.Control.Init
at System.Web.UI.Page.Process
Request information:
Request URL: http://localhost/RiskmanTest/default.aspx
Request path: /RiskmanTest/default.aspx
User host address: ::1
User:
Is authenticated: False
Authentication Type:
Thread account name: IIS APPPOOL\DefaultAppPool
Thread information:
Thread ID: 40
Thread account name: IIS APPPOOL\DefaultAppPool
Is impersonating: False
Stack trace: at RiskManNetData.DataAccessC
at RiskManNetSession.SessionC
at RiskManNet.RMPage.Page_Ini
at System.EventHandler.Invoke
at System.Web.UI.Control.OnIn
at System.Web.UI.Page.OnInit(
at System.Web.UI.Control.Init
at System.Web.UI.Page.Process
Custom event details:
Looks to be DB issue I will investigate.
Thank you.
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