Hi Simon,

The MonetDB server on windows is normally started with script M5server.bat (or MSQLserver.bat which calls M5server.bat).
Try if you can restart the MonetDB server that way.
Wait till the server startup is ready for accepting application/mclient connection. The console should show the
# MonetDB/SQL module loaded
>
prompt.

Next start mclient.bat

Note that the demo database is stored in the user profile area, in my case in:
C:\Users\martin\AppData\Roaming\MonetDB5\dbfarm\demo
It could be that when you restarted Windows OS you logged in with a different user. In that case the original demo database is located in a different location.

martin

On 15-01-2019 11:41, AUBERT Simon wrote:

Good morning,

I have used Monetdb for a few weeks now and this evening I cannot login after a full system restart (windows+monetdb).

Environment : Windows 10 (well, it’s my work computer, I don’t have a lot of choice)
Monetdb 5 server v11.31.11

I start monetdb by using C:\Program Files\MonetDB\MonetDB5\bin\mserver5.exe

Then mclient on C:\Program Files\MonetDB\MonetDB5\mclient.bat

(and usually it work just fine)

I also tried with mclient.exe using the -x command to debug.
Error message :
C:\Program Files\MonetDB\MonetDB5\bin>mclient -X -d demo

user(win32):monetdb

password:

MAPI = monetdb@localhost:50000

ACTION= mapi_reconnect

ERROR = !InvalidCredentialsException:checkCredentials:invalid credentials for user 'monetdb'

Of course, I use the default monetdb/monetdb credentials.

I have no idea of what happens and moreover I have lost an entire schema (I see that if I connect through Tableau Desktop…).
I have done an upgrade on the last version (11.31.13) and same result, impossible to connect.

And same result.

I spend the entire evening on that a

Thank in advance.

Simon AUBERT

Bourse Maritime – 1, place Lainé – 33 000 Bordeaux

Mob : +33(0)6 66 28 52 04
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