SuperClassic: Server sometimes hangs
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Key: CORE-3720
URL: http://tracker.firebirdsql.org/browse/CORE-3720
Project: Firebird Core
Issue Type: Bug
Affects Versions: 2.5.1
Environment: Red Hat Enterprise Linux 6 (RHEL6)
Reporter: Håkan Johansson
We are using Firebird databases for automatic integration tests. We create all
our test databases using a script. For each test a copy is made of one of the
test databases. The test program only connects to the copy. When the test is
complete, the copy is deleted. This way we guarantee that the different test
programs do not interfere with each other. We also run a lot of the tests in
parallel, all against the same server, but each against a database of their own.
The problem is that sometimes the server hangs and the only way to get it
working again is to restart it.
Sadly the problem is not really reproducible. It can work fine for weeks, then
hang several times in one day.
My *guess* to why this happens is that when we clean up after a test, then
sometimes the test program has not finished closing the database connection.
This can happen if a test is killed, which happens automatically when it takes
too long. It might be that the server has the database open when we delete the
database file and also the directory where it resides.
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