Reloading container

[Adam Rambousek]

Hi,
I have several processes that access single dbxml file, one of them can
update the database, others just read the data. (User accounts are stored
in the file and used by several applications.)
Each application opens the dbxml file on start. But if I update the
documents in dbxml, all the applications see just the old version of data
(the one that was loaded on start). If I restart the application, it loads
new data. But I want to update information without the need to restart the
applications.
Is it somehow possible to reload the data in container? Or even better, to
make applications use actual data everytime?
I'm using ruby interface, but if you point to a method in any interface, I
can find the equivalent one.

Thanks for any help.

Kind regards,
--
Adam Rambousek
email: xrambous@...   www: http://www.pohadkovychlum.cz
*When we eliminate the impossible, whatever remains, however improbable,
  must be true.   - Sherlock Holmes



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[John Snelson-4]

Hi Adam,

I suspect that you are configuring your XmlManager object without a
DbEnv object, or using one that doesn't support objects. You will need
to create a transacted environment, the location of which is shared by
all your processes in order for DB XML to work correctly with your
configuration. Maybe this example Ruby program will help you:

http://raa.ruby-lang.org/gonzui/markup/bdb/bdbxml2/examples/transaction.rb

John

Adam Rambousek wrote:

> Hi,
> I have several processes that access single dbxml file, one of them can
> update the database, others just read the data. (User accounts are stored
> in the file and used by several applications.)
> Each application opens the dbxml file on start. But if I update the
> documents in dbxml, all the applications see just the old version of data
> (the one that was loaded on start). If I restart the application, it loads
> new data. But I want to update information without the need to restart the
> applications.
> Is it somehow possible to reload the data in container? Or even better, to
> make applications use actual data everytime?
> I'm using ruby interface, but if you point to a method in any interface, I
> can find the equivalent one.
>
> Thanks for any help.
>
> Kind regards,

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[John Snelson-4]

John Snelson wrote:
> I suspect that you are configuring your XmlManager object without a
> DbEnv object, or using one that doesn't support objects.

Whoops! I meant to say "using one that doesn't support transactions".

John


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[Adam Rambousek]

Hi John,
thank you very much for your help. This works perfectly.

> I suspect that you are configuring your XmlManager object without a
> DbEnv object, or using one that doesn't support objects. You will need
> to create a transacted environment, the location of which is shared by
> all your processes in order for DB XML to work correctly with your
> configuration. Maybe this example Ruby program will help you:
>
> http://raa.ruby-lang.org/gonzui/markup/bdb/bdbxml2/examples/transaction.rb

--
Adam Rambousek
email: xrambous@...   www: http://www.pohadkovychlum.cz



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