Make sure that your client and server jars use the same version.
Difference in those versions caused for me corruptions before.
At least all of the clients that update data should have the same
version, I think.
- Rami
On 25.4.2019 16.28, Silvio wrote:
Hello all,
Since our upgrade to h2-1.4.199 we are experiencing frequent database
corruptions. I reported this earlier and have seen at least one
similar report from someone else in this group showing an almost
identical error. There has been no response since.
Is there any reason to assume 1.99 could be more susceptible to some
kinds of database corruptions than, say, 196 which is the version we
where using before the upgrade? If so, is this something someone is
looking in to? Can we take special measures to prevent corruptions or
at least reduce the chance they occur?
More specifically: is it still safe to simply close all connections to
a DB, wait a couple of seconds and then copy/backup the database files
at the file system level? Is it still safe to shutdown a (Linux)
process that may have active database connections and may even be
writing to that database (not SIGKILL but a plain SIGTERM)? If not:
what can we do to securely copy a database at file system level or
shut-down/restart a running application?
Our problems are making us consider reverting to 196 but that seems
backward. Please advice.
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