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Engine error #9217 for the table or backup file ... |
Fri, Sep 22 2006 3:29 AM | Permanent Link |
"Uwe H." | Our employees use a small dbisam based company phonebook/dialer application
(D7, Dbisam 4). Access from server via mapped network drive, no C/S, max. 50 read-only users run the app in parallel. Sometimes (seems to be random, independent of the number of users) the app does not start due to the engine error above. It seems, the server (Win2K) doesn't allow to access the table file. Users access rights are not the problem. Any idea where to look for the cause of the error (even it may be no dbisam problem itself)? Thanks Uwe |
Fri, Sep 22 2006 3:52 AM | Permanent Link |
Roy Lambert NLH Associates Team Elevate | Uwe
Have you tried repairing the table/tables? Roy Lambert |
Fri, Sep 22 2006 11:43 AM | Permanent Link |
"Uwe H." | > Have you tried repairing the table/tables?
> Roy Lambert I may try this, but the error occurs arbitrary and some time later or from other workstation it works fine without repair/reindex or other manual activities. I should note, we run all user "clients" on two CITRIX-Metaframe-Servers. The application and DB is located on another Win2k-Server. Uwe |
Fri, Sep 22 2006 2:47 PM | Permanent Link |
Tim Young [Elevate Software] Elevate Software, Inc. timyoung@elevatesoft.com | Uwe,
<< Sometimes (seems to be random, independent of the number of users) the app does not start due to the engine error above. It seems, the server (Win2K) doesn't allow to access the table file. Users access rights are not the problem. >> So, the table is never actually updated by any of the users ? If so, then corruption can be ruled out completely, and that just leaves an OS-related error. Have any other applications ran into problems with reading files from the server machine ? -- Tim Young Elevate Software www.elevatesoft.com |
Mon, Sep 25 2006 11:15 AM | Permanent Link |
"Uwe H." | Tim,
> So, the table is never actually updated by any of the users ? Rarely and I found no correlation of updating and the orrcurence of this error. > Have any other applications ran into problems with reading files from the server > machine ? We had no such complaints for other files. Nevertheless I think I have to look for OS related reason: The database file could not be opened/read in case of this error by any other file reader too - so it is no corruption / file contents problem. (We never encountered any db corruption after switching from paradox to dbisam, Tim Uwe |
Mon, Sep 25 2006 2:25 PM | Permanent Link |
Tim Young [Elevate Software] Elevate Software, Inc. timyoung@elevatesoft.com | Uwe,
<< We had no such complaints for other files. Nevertheless I think I have to look for OS related reason: The database file could not be opened/read in case of this error by any other file reader too - so it is no corruption / file contents problem. (We never encountered any db corruption after switching from paradox to dbisam, Tim>> I would certainly investigate possible network problems. It could simply be that the network read is failing due to an error. BTW, you can use the EDBISAMEngineError.OSErrorCode property to find out the exact OS error that is causing the read error, but you have to trap it in your application via an exception handler right after the operation that causes the error: http://www.elevatesoft.com/dbisam4d5_edbisamengineerror_oserrorcode.htm -- Tim Young Elevate Software www.elevatesoft.com |
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