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From "Connie Chen (JIRA)" <j...@apache.org>
Subject [jira] [Created] (ATLAS-2531) Lineage display is causing "Maximum call stack size reached" in underscore.js
Date Wed, 04 Apr 2018 20:35:00 GMT
Connie Chen created ATLAS-2531:
----------------------------------

             Summary: Lineage display is causing "Maximum call stack size reached" in underscore.js
                 Key: ATLAS-2531
                 URL: https://issues.apache.org/jira/browse/ATLAS-2531
             Project: Atlas
          Issue Type: Bug
         Environment: Apache Atlas 0.8.2
            Reporter: Connie Chen


I am getting this console error when I try to display a Dataset entity with lineage:
{code:java}
Uncaught RangeError: Maximum call stack size exceeded
 at underscore-min.js?bust=1519685834833:1
 at underscore-min.js?bust=1519685834833:1
 at Function.s.each.s.forEach (underscore-min.js?bust=1519685834833:1)
 at Function.s.filter.s.select (underscore-min.js?bust=1519685834833:1)
 at Function.s.where (underscore-min.js?bust=1519685834833:1)
 at N.d.checkForLineageOrImpactFlag (LineageLayoutView.js?bust=1519685834833:80)
 at LineageLayoutView.js?bust=1519685834833:94
 at Function.s.each.s.forEach (underscore-min.js?bust=1519685834833:1)
 at N.d.checkForLineageOrImpactFlag (LineageLayoutView.js?bust=1519685834833:83)
 at LineageLayoutView.js?bust=1519685834833:94{code}
When I query the API for the lineage information, it comes back properly with all the relations.

For example
{code:java}
curl http://localhost:21000/api/atlas/v2/lineage/83bfe9ec-88d3-4207-9b84-26f1018f6a70{code}
And in the response body I see:
{code:java}
"relations":[{"fromEntityId":"b3b83e14-0eda-4fe0-ad94-2d6b5fd02aae","toEntityId":"602a8817-31d9-44ea-98af-8448f8701e86"},{"fromEntityId":"470fc824-faab-41dc-9794-67beee1b0d5f","toEntityId":"0d363cf3-e786-4563-bd86-ce82a75608c6"},{"fromEntityId":"5b78dc92-7232-4428-85a5-f4c950667d63","toEntityId":"ada1c08e-7684-4eaa-97d8-387f5ab3e8e2"},{"fromEntityId":"0d363cf3-e786-4563-bd86-ce82a75608c6","toEntityId":"3a65d3f1-a44b-4237-a7c6-e31057bcfac8"},{"fromEntityId":"7b45090c-5cf1-4d8b-a861-5abaa7593b02","toEntityId":"0d363cf3-e786-4563-bd86-ce82a75608c6"},{"fromEntityId":"5b78dc92-7232-4428-85a5-f4c950667d63","toEntityId":"7b45090c-5cf1-4d8b-a861-5abaa7593b02"},{"fromEntityId":"3a65d3f1-a44b-4237-a7c6-e31057bcfac8","toEntityId":"b3b83e14-0eda-4fe0-ad94-2d6b5fd02aae"},{"fromEntityId":"83bfe9ec-88d3-4207-9b84-26f1018f6a70","toEntityId":"5b78dc92-7232-4428-85a5-f4c950667d63"},{"fromEntityId":"ada1c08e-7684-4eaa-97d8-387f5ab3e8e2","toEntityId":"0d363cf3-e786-4563-bd86-ce82a75608c6"},{"fromEntityId":"5b78dc92-7232-4428-85a5-f4c950667d63","toEntityId":"470fc824-faab-41dc-9794-67beee1b0d5f"},{"fromEntityId":"5b78dc92-7232-4428-85a5-f4c950667d63","toEntityId":"602a8817-31d9-44ea-98af-8448f8701e86"},{"fromEntityId":"5b78dc92-7232-4428-85a5-f4c950667d63","toEntityId":"9aeab707-c558-4726-a502-0872023a7dde"},{"fromEntityId":"9aeab707-c558-4726-a502-0872023a7dde","toEntityId":"0d363cf3-e786-4563-bd86-ce82a75608c6"},{"fromEntityId":"602a8817-31d9-44ea-98af-8448f8701e86","toEntityId":"0d363cf3-e786-4563-bd86-ce82a75608c6"}]}{code}
So there should be ~14 relations that show up for this entity in the lineage graph. 

>From what I can tell this recursive function is not terminating properly:

[https://github.com/apache/atlas/blob/2735f96fc70f06eba4672538376c6df8f0dc30dd/dashboardv2/public/js/views/graph/LineageLayoutView.js#L158]

I am guessing that since it is traversing the relations of every `fromEntityId`, at some point
it is going to re-visit a node that lineage is already drawn for, therefore causing a circular
dependency and recursing forever. 



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