Hi !
I'm getting a lots of "database is locked" (code:5).
My app keeps giving up on one machine, it might be that
there is a network problem but I not 100% sure.
Anyway, when the app hangs all the other machines
including the machine where the database file is get
the "database is locked" (code:5) error.
To get rid of the error I have to close my app on all
machines (five total) and sometimes reboot the machine
with the database. As far as I can tell there are no
processes still running.
The database is as far as I know not corrupted and seems
ok after "restarting the network".
Why do I get "database is locked" (code:5) and what do I
have to do to avoid it ?
I can try to ensure that there is a try/catch block but
I'm unsure how to unlock the database, Is it enough to
do a sqlite3_close() or do I need to ROLLBACK TRANSACTION
and sqlite3_finalize() before I sqlite3_close() ?
Windows XP, SQLite 3.3.4.
/Martin
ma1999ATjmaDOTse
Usually, the SQLITE_LOCKED means that you tried to prepare or execute a new
SQL statement without resetting or finalizing a previous one on a single
connection. The statements should be prepared and executed this way:
sqlite3_prepare
sqlite3_bind_*
sqlite3_step
// more sqlite3_steps if there are more statements
sqlite3_finalize
You can't put another sqlite3_prepare in the middle. If you did, you'll get
the database is locked error. And if any error encountered during the
process, you should call sqlite3_reset to reset the statement.
I suggest that you check your code very carefully to see if any statements
are not finalized or resetted.
Best regards,
He Shiming
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