SQL Server 2017 crashes when backing up because filepath is wrong












13















I was trying to restore my database and SQL Server kept crashing. I would get a message in SSMS that said there was a network transport error (the connection dropped bc the crash). I checked the logs and found nothing more than SQL Server closed unexpectedly. I would then have to go and restart the service.



I narrowed the issue down to the script that the GUI was trying to run. The problem is when it goes to take a tail log backup, the path to the backup files is wrong. It should be D:mapbenefits...



BACKUP LOG [mapbenefits]
TO DISK = N'D:mapbenefits_LogBackup_2019-02-21_13-58-24.bak'
WITH NOFORMAT, NOINIT, NAME = N'mapbenefits_LogBackup_2019-02-21_13-58-24',
NOSKIP, NOREWIND, NOUNLOAD, NORECOVERY , STATS = 5


I have two questions.




  1. How do I fix this path? I tried going into the server settings and the backup path is D: with no slash. If I add the slash the gui removes it. This is SSMS v17.9.1. I can pick D:mapbenefits and that works but I want D:DATABASE...


  2. Is this a bug? Should SQL server crash just because a path is incorrectly typed? Once I fixed the file path it has no trouble. I can reproduce anytime just by mucking up the filepath.



If I run a query to check version I get CU13, but if I go into settings I see version 14.0.1000.169.



Looks like this is a bug and is reproducible so I posted it to here: https://feedback.azure.com/forums/908035-sql-server/suggestions/36920542-incorrect-filepath-with-backup-log-command-causes










share|improve this question




















  • 2





    Rick, if you have a support agreement with Microsoft would you be able to open a ticket? That would be helpful. In addition, I've circulated this post internally.

    – DBArgenis
    2 hours ago
















13















I was trying to restore my database and SQL Server kept crashing. I would get a message in SSMS that said there was a network transport error (the connection dropped bc the crash). I checked the logs and found nothing more than SQL Server closed unexpectedly. I would then have to go and restart the service.



I narrowed the issue down to the script that the GUI was trying to run. The problem is when it goes to take a tail log backup, the path to the backup files is wrong. It should be D:mapbenefits...



BACKUP LOG [mapbenefits]
TO DISK = N'D:mapbenefits_LogBackup_2019-02-21_13-58-24.bak'
WITH NOFORMAT, NOINIT, NAME = N'mapbenefits_LogBackup_2019-02-21_13-58-24',
NOSKIP, NOREWIND, NOUNLOAD, NORECOVERY , STATS = 5


I have two questions.




  1. How do I fix this path? I tried going into the server settings and the backup path is D: with no slash. If I add the slash the gui removes it. This is SSMS v17.9.1. I can pick D:mapbenefits and that works but I want D:DATABASE...


  2. Is this a bug? Should SQL server crash just because a path is incorrectly typed? Once I fixed the file path it has no trouble. I can reproduce anytime just by mucking up the filepath.



If I run a query to check version I get CU13, but if I go into settings I see version 14.0.1000.169.



Looks like this is a bug and is reproducible so I posted it to here: https://feedback.azure.com/forums/908035-sql-server/suggestions/36920542-incorrect-filepath-with-backup-log-command-causes










share|improve this question




















  • 2





    Rick, if you have a support agreement with Microsoft would you be able to open a ticket? That would be helpful. In addition, I've circulated this post internally.

    – DBArgenis
    2 hours ago














13












13








13








I was trying to restore my database and SQL Server kept crashing. I would get a message in SSMS that said there was a network transport error (the connection dropped bc the crash). I checked the logs and found nothing more than SQL Server closed unexpectedly. I would then have to go and restart the service.



I narrowed the issue down to the script that the GUI was trying to run. The problem is when it goes to take a tail log backup, the path to the backup files is wrong. It should be D:mapbenefits...



BACKUP LOG [mapbenefits]
TO DISK = N'D:mapbenefits_LogBackup_2019-02-21_13-58-24.bak'
WITH NOFORMAT, NOINIT, NAME = N'mapbenefits_LogBackup_2019-02-21_13-58-24',
NOSKIP, NOREWIND, NOUNLOAD, NORECOVERY , STATS = 5


I have two questions.




  1. How do I fix this path? I tried going into the server settings and the backup path is D: with no slash. If I add the slash the gui removes it. This is SSMS v17.9.1. I can pick D:mapbenefits and that works but I want D:DATABASE...


  2. Is this a bug? Should SQL server crash just because a path is incorrectly typed? Once I fixed the file path it has no trouble. I can reproduce anytime just by mucking up the filepath.



If I run a query to check version I get CU13, but if I go into settings I see version 14.0.1000.169.



Looks like this is a bug and is reproducible so I posted it to here: https://feedback.azure.com/forums/908035-sql-server/suggestions/36920542-incorrect-filepath-with-backup-log-command-causes










share|improve this question
















I was trying to restore my database and SQL Server kept crashing. I would get a message in SSMS that said there was a network transport error (the connection dropped bc the crash). I checked the logs and found nothing more than SQL Server closed unexpectedly. I would then have to go and restart the service.



I narrowed the issue down to the script that the GUI was trying to run. The problem is when it goes to take a tail log backup, the path to the backup files is wrong. It should be D:mapbenefits...



BACKUP LOG [mapbenefits]
TO DISK = N'D:mapbenefits_LogBackup_2019-02-21_13-58-24.bak'
WITH NOFORMAT, NOINIT, NAME = N'mapbenefits_LogBackup_2019-02-21_13-58-24',
NOSKIP, NOREWIND, NOUNLOAD, NORECOVERY , STATS = 5


I have two questions.




  1. How do I fix this path? I tried going into the server settings and the backup path is D: with no slash. If I add the slash the gui removes it. This is SSMS v17.9.1. I can pick D:mapbenefits and that works but I want D:DATABASE...


  2. Is this a bug? Should SQL server crash just because a path is incorrectly typed? Once I fixed the file path it has no trouble. I can reproduce anytime just by mucking up the filepath.



If I run a query to check version I get CU13, but if I go into settings I see version 14.0.1000.169.



Looks like this is a bug and is reproducible so I posted it to here: https://feedback.azure.com/forums/908035-sql-server/suggestions/36920542-incorrect-filepath-with-backup-log-command-causes







sql-server backup sql-server-2017






share|improve this question















share|improve this question













share|improve this question




share|improve this question








edited 7 hours ago







Rick

















asked 8 hours ago









RickRick

905




905








  • 2





    Rick, if you have a support agreement with Microsoft would you be able to open a ticket? That would be helpful. In addition, I've circulated this post internally.

    – DBArgenis
    2 hours ago














  • 2





    Rick, if you have a support agreement with Microsoft would you be able to open a ticket? That would be helpful. In addition, I've circulated this post internally.

    – DBArgenis
    2 hours ago








2




2





Rick, if you have a support agreement with Microsoft would you be able to open a ticket? That would be helpful. In addition, I've circulated this post internally.

– DBArgenis
2 hours ago





Rick, if you have a support agreement with Microsoft would you be able to open a ticket? That would be helpful. In addition, I've circulated this post internally.

– DBArgenis
2 hours ago










1 Answer
1






active

oldest

votes


















10














On 2016, if I put an invalid path like that, I get this message:




Cannot open backup device 'D:mapbenefits_LogBackup_2019-02-21_13-58-24.bak'. Operating system error 3(The system cannot find the path specified.)




On 2017 CU 13 (14.0.3048.4), it results in the service crashing. You've already mentioned that in the latest hotfix (14.0.3049.1), the service doesn't crash, but the session is killed. I'd be concerned about what this does to your backup history.



If I put a "valid" path that doesn't exist, I get the correct behavior ("cannot find the path specified") in 2017.



This looks like a bug to me - in both CU 13 and the hotfix build. Passing incorrect parameters to the BACKUP command shouldn't crash the service or kill your session. You can report it on the feedback site.






share|improve this answer
























  • Thanks, I reported it. Were you able to reproduce in 2017 or are you just summarizing?

    – Rick
    7 hours ago






  • 2





    @Rick Yes, I repro'd on 2017 CU 13. Interesting bug you found!

    – jadarnel27
    7 hours ago











  • Just glad I found it on this new server I'm building before production moves over! :-)

    – Rick
    7 hours ago











  • @Rick Haha yes, that is good news =)

    – jadarnel27
    45 mins ago











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1 Answer
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1 Answer
1






active

oldest

votes









active

oldest

votes






active

oldest

votes









10














On 2016, if I put an invalid path like that, I get this message:




Cannot open backup device 'D:mapbenefits_LogBackup_2019-02-21_13-58-24.bak'. Operating system error 3(The system cannot find the path specified.)




On 2017 CU 13 (14.0.3048.4), it results in the service crashing. You've already mentioned that in the latest hotfix (14.0.3049.1), the service doesn't crash, but the session is killed. I'd be concerned about what this does to your backup history.



If I put a "valid" path that doesn't exist, I get the correct behavior ("cannot find the path specified") in 2017.



This looks like a bug to me - in both CU 13 and the hotfix build. Passing incorrect parameters to the BACKUP command shouldn't crash the service or kill your session. You can report it on the feedback site.






share|improve this answer
























  • Thanks, I reported it. Were you able to reproduce in 2017 or are you just summarizing?

    – Rick
    7 hours ago






  • 2





    @Rick Yes, I repro'd on 2017 CU 13. Interesting bug you found!

    – jadarnel27
    7 hours ago











  • Just glad I found it on this new server I'm building before production moves over! :-)

    – Rick
    7 hours ago











  • @Rick Haha yes, that is good news =)

    – jadarnel27
    45 mins ago
















10














On 2016, if I put an invalid path like that, I get this message:




Cannot open backup device 'D:mapbenefits_LogBackup_2019-02-21_13-58-24.bak'. Operating system error 3(The system cannot find the path specified.)




On 2017 CU 13 (14.0.3048.4), it results in the service crashing. You've already mentioned that in the latest hotfix (14.0.3049.1), the service doesn't crash, but the session is killed. I'd be concerned about what this does to your backup history.



If I put a "valid" path that doesn't exist, I get the correct behavior ("cannot find the path specified") in 2017.



This looks like a bug to me - in both CU 13 and the hotfix build. Passing incorrect parameters to the BACKUP command shouldn't crash the service or kill your session. You can report it on the feedback site.






share|improve this answer
























  • Thanks, I reported it. Were you able to reproduce in 2017 or are you just summarizing?

    – Rick
    7 hours ago






  • 2





    @Rick Yes, I repro'd on 2017 CU 13. Interesting bug you found!

    – jadarnel27
    7 hours ago











  • Just glad I found it on this new server I'm building before production moves over! :-)

    – Rick
    7 hours ago











  • @Rick Haha yes, that is good news =)

    – jadarnel27
    45 mins ago














10












10








10







On 2016, if I put an invalid path like that, I get this message:




Cannot open backup device 'D:mapbenefits_LogBackup_2019-02-21_13-58-24.bak'. Operating system error 3(The system cannot find the path specified.)




On 2017 CU 13 (14.0.3048.4), it results in the service crashing. You've already mentioned that in the latest hotfix (14.0.3049.1), the service doesn't crash, but the session is killed. I'd be concerned about what this does to your backup history.



If I put a "valid" path that doesn't exist, I get the correct behavior ("cannot find the path specified") in 2017.



This looks like a bug to me - in both CU 13 and the hotfix build. Passing incorrect parameters to the BACKUP command shouldn't crash the service or kill your session. You can report it on the feedback site.






share|improve this answer













On 2016, if I put an invalid path like that, I get this message:




Cannot open backup device 'D:mapbenefits_LogBackup_2019-02-21_13-58-24.bak'. Operating system error 3(The system cannot find the path specified.)




On 2017 CU 13 (14.0.3048.4), it results in the service crashing. You've already mentioned that in the latest hotfix (14.0.3049.1), the service doesn't crash, but the session is killed. I'd be concerned about what this does to your backup history.



If I put a "valid" path that doesn't exist, I get the correct behavior ("cannot find the path specified") in 2017.



This looks like a bug to me - in both CU 13 and the hotfix build. Passing incorrect parameters to the BACKUP command shouldn't crash the service or kill your session. You can report it on the feedback site.







share|improve this answer












share|improve this answer



share|improve this answer










answered 7 hours ago









jadarnel27jadarnel27

5,46811937




5,46811937













  • Thanks, I reported it. Were you able to reproduce in 2017 or are you just summarizing?

    – Rick
    7 hours ago






  • 2





    @Rick Yes, I repro'd on 2017 CU 13. Interesting bug you found!

    – jadarnel27
    7 hours ago











  • Just glad I found it on this new server I'm building before production moves over! :-)

    – Rick
    7 hours ago











  • @Rick Haha yes, that is good news =)

    – jadarnel27
    45 mins ago



















  • Thanks, I reported it. Were you able to reproduce in 2017 or are you just summarizing?

    – Rick
    7 hours ago






  • 2





    @Rick Yes, I repro'd on 2017 CU 13. Interesting bug you found!

    – jadarnel27
    7 hours ago











  • Just glad I found it on this new server I'm building before production moves over! :-)

    – Rick
    7 hours ago











  • @Rick Haha yes, that is good news =)

    – jadarnel27
    45 mins ago

















Thanks, I reported it. Were you able to reproduce in 2017 or are you just summarizing?

– Rick
7 hours ago





Thanks, I reported it. Were you able to reproduce in 2017 or are you just summarizing?

– Rick
7 hours ago




2




2





@Rick Yes, I repro'd on 2017 CU 13. Interesting bug you found!

– jadarnel27
7 hours ago





@Rick Yes, I repro'd on 2017 CU 13. Interesting bug you found!

– jadarnel27
7 hours ago













Just glad I found it on this new server I'm building before production moves over! :-)

– Rick
7 hours ago





Just glad I found it on this new server I'm building before production moves over! :-)

– Rick
7 hours ago













@Rick Haha yes, that is good news =)

– jadarnel27
45 mins ago





@Rick Haha yes, that is good news =)

– jadarnel27
45 mins ago


















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