I have a problem with Firebird 3.0.0.30708 and 3.0.0.30717 which I can't 
reproduce with Firebird 3 Alpha 1 (3.0.0.30566).

Tests in Jaybird create and drop a lot of database, but a number of 
specific tests fail to drop the database with error:
unsuccessful metadata update
object DATABASE is in use

This problem does not occur with Firebird 2.5 or Firebird 3 Alpha 1.

When I connect to the testdatabase when the error has occurred, the only 
attachments are:

SYSDBA: attachment that wants to drop the database
SYSDBA: current attachment looking at MON$ATTACHMENTS
Garbage Collector
Cache Writer

The Garbage Collector connection has a readonly transaction open (not 
sure if that is relevant).

The test(s) with the problem is for the new wire protocol implementation 
in Jaybird, and it didn't include a commit/rollback of an outstanding 
transaction before closing the connection.

After adding a commit the problem goes away, but to me this looks like a 
bug. Should I report it? What additional information would you need?

Mark
-- 
Mark Rotteveel

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