We have fixed a bunch of stuff around LOB'S since then. I suggest you
update to the latest version but run with mvstore disabled
On Sun, 14 Jun 2015 at 02:31, Adam McMahon <a...@cs.miami.edu> wrote:

> Hi,
>
> I am using H2 to store text as clobs.
> The operations go like this:
>
> The clobs are read into a String from the DB
> The String is transformed into a json ojbect
> the json object is modified
> the object is transformed into a json string and saved back into H2 as a
> clob
>
> Multiple threads are performing the above operations at the same time.
>
>  I am running into thread dead locks when doing this.  If I synchronize
> around my methods which Select and Execute into the database, I do not run
> into the deadlocks.  Thus, I am avoiding the problem by making sure that
> all my calls to H2 are synchronized in my code, which makes me wonder if
> there is a synchronization problem somewhere in H2.   Are there any known
> deadlock problems in h2 with regard to clobs or the such.
>
> H2 version: {name=info.VERSION, value=1.3.176 (2014-04-05)}
>
> Thanks,
> -Adam
>
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