Allow disabling validation on empty tags #497
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… empty tags on decoders, and treat them as missing tags if encountered when validation is off.
…pply empty tag validation to a codec build-time property. note: no mechanism for setting this build-time property has been added yet.
…system property passed in to the codec generator
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artio-codecs/src/main/java/uk/co/real_logic/artio/dictionary/generation/CodecGenerator.java
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…rs under JDK21. There are ways of solving this without the suppression, but they require more discussion and work: this is a good starting point for what's likely to be over-eager analysis for most use cases.
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note: CI keeps failing on:
This test seems wildly intermittent at the moment, and is also failing on this test on master - so I would argue this shouldn't be a blocker to merging? However: we're not getting any CI failures that can be attributed to this change, as far as I can see. |
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We are encountering situations where we're being sent FIX messages with empty tags (eg |448=|). Currently, this fails validation.
Whilst this is clearly invalid FIX, we can't legislate for what our counterparties send us: we've had multiple counterparties send us malformed FIX in this way. It would be nice to be able to, instead of failing on such messages, instead to treat these tags as missing (still triggering required fields validation if the field is required).
This change replicates the approach taken to other settings allowing enabling/disabling of validations, and includes a minimal test to show that the messages pass validation with absent fields when this specific validation is disabled.