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Geoff Wakefield
2023-04-24T17:44:17Z
Hello,

Our production server is not logging any history to the internal SQL DB but our Dev server is. I need help on what to try to fix this. We are on server version 9.9.10 but previously it was 9.1.5 and that's when the SDF file was created I believe.

The file is there, the security permissions seem to match Dev, but no connection is coming through. Due to that, VC shows default 0 counts for records and dates of 1/1/0001. The file itself is 21 MB.

Here are some relevant startup logs showing a generic error using the DB:
4/20/2023 4:41:25 AM	Debug	StartDBLoggerThread - enter
4/20/2023 4:41:26 AM	Debug	Client.InitializeMessageXmlSerializer() - after
4/20/2023 4:41:26 AM	Info	ConnectDatabase->Connecting to internal DB: C:\ProgramData\VisualCron\output\log\VisualCron4.sdf
4/20/2023 4:41:27 AM	Err	GetConnection->Error: System.Data.SqlServerCe.SqlCeException (0x80004005): Unspecified error [ C:\ProgramData\VisualCron\output\log\VisualCron4.sdf ]
   at System.Data.SqlServerCe.SqlCeConnection.Open(Boolean silent)
   at System.Data.SqlServerCe.SqlCeConnection.Open()
   at ProductSpecification.RestartDispatcher(Object , ProductSpecification )
   at VisualCronService.DBLoggerClass.CancelAccount(DbConnection first) in C:\git\code\VisualCronService\Log\clsDBLogger.vb:line 970
4/20/2023 4:41:27 AM	Err	ConnectDatabase-> not connect to local database: ExecuteScalar requires an open and available Connection. The connection's current state is Closed.
4/20/2023 4:41:27 AM	Debug	StartDBLoggerThread - exit
4/20/2023 4:41:27 AM	Debug	CleanLocalDB started (True)
4/20/2023 4:41:27 AM	Info	Cleaning up local database according to cleanup rules
4/20/2023 4:41:27 AM	Debug	CleanLocalDB - retrieve stats - start
4/20/2023 4:41:27 AM	Info	ConnectDatabase->Connecting to internal DB: C:\ProgramData\VisualCron\output\log\VisualCron4.sdf
4/20/2023 4:41:27 AM	Err	GetConnection->Error: System.Data.SqlServerCe.SqlCeException (0x80004005): Unspecified error [ C:\ProgramData\VisualCron\output\log\VisualCron4.sdf ]
   at System.Data.SqlServerCe.SqlCeConnection.Open(Boolean silent)
   at System.Data.SqlServerCe.SqlCeConnection.Open()
   at ProductSpecification.RestartDispatcher(Object , ProductSpecification )
   at VisualCronService.DBLoggerClass.CancelAccount(DbConnection first) in C:\git\code\VisualCronService\Log\clsDBLogger.vb:line 970


There are many other log errors trying to connect to the DB to write events and they just have "unspecified error" and "requires open connection" messages.

I've tried changing the filepath for this database but it seems VC is hardcoded and won't let you.

There isn't anything on the production database that we want, so I wouldn't mind wiping it clean. I just don't if deleting the file will make VC regenerate it or how to go from here.

Please advise how to get this database reset or so that it will start logging again.

Thank you,

Geoff
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Forum information
Geoff Wakefield
2023-05-01T19:54:47Z
Fixed it.

Followed the steps found here  under Reset database completely.

Quote:


If the database has exceeded maximum size you may have to manually delete it to restore. Here are the steps:

1. Open the Main > Settings > Folders tab and click on the Output cache folder > Open button.

2. Stop the VisualCron service

3. In the Explorer window enter the folder "log" and delete the file "VisualCron4.sdf"

4. Start the service again



Our SDF db file was pretty small but I'm guessing it was just created from a much older version and it was not backwards compatible. VC created a new database and immediately started logging. 🙂
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