Re: [Quickfixj-users] Session validation settings have no effect for FIXT unless AppDataDictionary is set explicitly

[Ilya K. <kur...@gm...>]

 Hi, there's a nuance, yes: if AppDataDictionary is not provided explicitly
then "an attempt will be made to load a dictionary using the
DefaultApplVerID for the session". The latter logic works fine resulting in
proper dictionary being used, alas sessions validation settings, if any,
get ignored.

On Mon, Jul 8, 2019 at 2:05 PM Christoph John <chr...@ma...>
wrote:

> Hi,
>
> I did not check the code but how should QFJ validate if fields are out of
> order if no application data dictionary is specified?
> Or did I misunderstand your question?
>
> Cheers,
> Chris.
>
> On 21/03/2019 09:50, Ilya Kurnosov wrote:
>
> QuickFIX/J Documentation: http://www.quickfixj.org/documentation/
> QuickFIX/J Support: http://www.quickfixj.org/support/
>
>
> Hello! I ran into some interesting behavior with quickfixj 2 today. My
> question is if it's intentionally designed this way? And, if yes, if
> someone could explain the reasoning behind it?
>
> The behavior I see is that all the session validation settings:
>
>    - Session.SETTING_VALIDATE_FIELDS_HAVE_VALUES
>    ("ValidateFieldsHaveValues")
>    - Session.SETTING_VALIDATE_FIELDS_OUT_OF_ORDER
>    ("ValidateFieldsOutOfOrder")
>    - Session.SETTING_VALIDATE_UNORDERED_GROUP_FIELDS
>    ("ValidateUnorderedGroupFields")
>    - Session.SETTING_VALIDATE_USER_DEFINED_FIELDS
>    ("ValidateUserDefinedFields")
>    - Session.SETTING_ALLOW_UNKNOWN_MSG_FIELDS ("AllowUnknownMsgFields")
>
> have exactly no effect on the validation of FIXT application messages
> unless one also explicitly sets "AppDataDictionary" option
> (Session.SETTING_APP_DATA_DICTIONARY).
> I observe this behavior in tests, but the code in
> DefaultSessionFactory#processFixtDataDictionaries looks rather unambiguous
> too (
> https://github.com/quickfix-j/quickfixj/blob/QFJ_RELEASE_2_1_1/quickfixj-core/src/main/java/quickfix/DefaultSessionFactory.java#L283).
> It looks like DefaultSessionFactory#createDataDictionary (the only place
> using those Validate* and AllowUnknownMsgFields settings) is called to
> create app dictionary IIF AppDataDictionary is present.
>
> Is this behavior intentional?
>
>
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> Christoph John
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