# Maapi socket attach

**URL:** <https://dmap-community.ductus.global/t/maapi-socket-attach/1115>\
**Category:** CDB and CDB API\
**Created:** [March 28, 2017, 12:12pm UTC](https://dmap-community.ductus.global/t/maapi-socket-attach/1115 "2017-03-28T12:12:26Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![InbalAmram](https://avatars.discourse-cdn.com/v4/letter/i/0ea827/32.png) [@InbalAmram](https://dmap-community.ductus.global/u/InbalAmram)\
**Post date:** [March 28, 2017, 12:12pm UTC](https://dmap-community.ductus.global/t/maapi-socket-attach/1115/1 "2017-03-28T12:12:26Z")

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Hi,

we are working with external DB.  
I am trying to receive a callback on validation point, after registration during init using confd\_register\_trans\_validate\_cb, confd\_register\_valpoint\_cb.  
when execute “commit check” the validation init callback is called, but then there is timeout when confd tries to call again. the init validation transaction call: maapi\_attach and confd\_trans\_set\_fd.  
I understand that the validate callback should be called via the mappi socket, according to the attached details.  
the confd\_devel.log does not have relevant infor/error.  
can you guide me what can be the reason for that?

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<div class="post-metadata">

**Author:** ![InbalAmram](https://avatars.discourse-cdn.com/v4/letter/i/0ea827/32.png) [@InbalAmram](https://dmap-community.ductus.global/u/InbalAmram)\
**Post date:** [March 29, 2017, 8:55am UTC](https://dmap-community.ductus.global/t/maapi-socket-attach/1115/2 "2017-03-29T08:55:24Z")

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Problem resolved. thanks