gbak isc error 335545106

[Bennie Coetzer]

I am trying to backup FB2.5 dBs to convert them to FB4
The batchfile uses the following statement
gbak -user SYSDBA -pas masterkey -b -g -V -se service_mgr D:\FB2TEMP\IS_Database\Program\BOOKSTBLS.FDB D:\FB2TEMP\IS_DB_BUP\Program\BOOKSTBLS.FBK -Y D:\FB2TEMP\IS_Database\Program\BOOKSTBLSbup.log

However I get the following response
Backup BOOKSTBLS.FDB
gbak: ERROR:unknown ISC error 335545106
gbak:Exiting before completion due to errors

I have used the same statement on a number of other databases with complete success.  However, this DB gives the error and I cannot determine why - is there any explanation of what the error code means?

Regards

[Dimitry Sibiryakov]

Bennie Coetzer wrote 19.12.2021 20:08:
> is there any explanation of what the error code means?

In iberror.h: isc_login_error = 335545106L
Corresponding text: "Error occurred during login, please check server
firebird.log for details".

Obviously you are trying to use Firebird 2.5 client with Firebird 4.0 server.
Firebird 2.5 didn't have this error text so it cannot interpret the error
returned from the server.

--
WBR, SD.

[Bennie Coetzer]

Thank you - I am not sure what happened but I recreated the FB2.5 DB and then all was fine to convert.

Regards

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