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alperhasan
Surveyor II

Errors on LTI Grading via Outcome Service. Please help

Recently we found that about 30% of our grade passback requests via the LTI Grading Outcome Service fail.
Bellow are the HTTP responses for the error messages we get.

If anyone has an insight, it would be greatly appreciated. Thank you!

 

 

HTTP/1.1 422 Unprocessable Entity
Date: Thu, 10 Dec 2020 15:00:14 GMT
Content-Type: application/json; charset=utf-8
Transfer-Encoding: chunked
Connection: keep-alive
Server: Apache
X-Request-Context-Id: 7f83a0f4-518a-4a8c-ac1c-54634821cc48
Vary: Accept-Encoding
X-Rate-Limit-Remaining: 700.0
X-Canvas-Meta: q=569;a=557;g=l7Hhpe0xMxcDLGMWpYApI5rv67hH8xrC63kiwhXa;s=1096;c=cluster74;z=us-east-1b;o=lti_api;n=grade_passback;b=2456752;m=2456752;u=0.18;y=0.00;d=0.01;
X-Frame-Options: SAMEORIGIN
X-Request-Cost: 0.1937657299986313
Cache-Control: no-cache
Strict-Transport-Security: max-age=31536000
Referrer-Policy: no-referrer-when-downgrade
X-Permitted-Cross-Domain-Policies: none
X-XSS-Protection: 1; mode=block
X-Download-Options: noopen
X-Runtime: 0.201989
X-Content-Type-Options: nosniff
X-Request-Processor: 0e6ffa30dc3cff7d6
X-A11y-Ally: Dana Danger Grey
Status: 422 Unprocessable Entity
P3P: CP="None, see http://www.instructure.com/privacy-policy

{"errors":[{"field":"grade","message":"cannot be changed at this time:

---------------------------------------------------------------------------------------------------------

 


HTTP/1.1 200 OK
Date: Thu, 10 Dec 2020 15:06:02 GMT
Content-Type: application/xml; charset=utf-8
Transfer-Encoding: chunked
Connection: keep-alive
Server: Apache
X-Request-Context-Id: eea593c7-8938-4f8c-93fb-41594b378d28
Vary: Accept-Encoding
X-Rate-Limit-Remaining: 700.0
X-Canvas-Meta: q=861;a=1;g=rPRrNGcOb4h8Xug727D4TgecypA2d2RbTJigyaeQ;s=10585;c=cluster238;z=us-east-1c;o=lti_api;n=grade_passback;b=2211684;m=2211684;u=0.04;y=0.00;d=0.01;
X-Frame-Options: SAMEORIGIN
X-Request-Cost: 0.05037178600105108
Cache-Control: max-age=0, private, must-revalidate
Strict-Transport-Security: max-age=31536000
Referrer-Policy: no-referrer-when-downgrade
X-Permitted-Cross-Domain-Policies: none
X-XSS-Protection: 1; mode=block
X-Download-Options: noopen
X-Runtime: 0.061817
X-Content-Type-Options: nosniff
X-Request-Processor: 08bceab3ba0b8875b
X-A11y-Ally: Dana Danger Grey
ETag: W/"4bc79a62db86f6bb95a0883e7ab40756"
Status: 200 OK
P3P: CP="None, see http://www.instructure.com/privacy-policy


<imsx_POXEnvelopeResponse xmlns="http://www.imsglobal.org/services/ltiv1p1/xsd/imsoms_v1p0">
<imsx_POXHeader>
<imsx_POXResponseHeaderInfo>
<imsx_version>V1.0</imsx_version>
<imsx_messageIdentifier/>
<imsx_statusInfo>
<imsx_codeMajor>failure</imsx_codeMajor>
<imsx_severity>status</imsx_severity>
<imsx_description>User is no longer in course
[EID_105850000011855008]</imsx_description>
<imsx_messageRefIdentifier>5fd2395241952</imsx_messageRefIdentifier>
<imsx_operationRefIdentifier>replaceResult</imsx_operationRefIdentifier>
</imsx_statusInfo>
</imsx_POXResponseHeaderInfo>
</imsx_POXHeader>
<imsx_POXBody><replaceResultResponse/></imsx_POXBody>
</imsx_POXEnvelopeResponse>

---------------------------------------------------------------------------------------------------------

 


HTTP/1.1 200 OK
Date: Thu, 10 Dec 2020 15:16:23 GMT
Content-Type: application/xml; charset=utf-8
Transfer-Encoding: chunked
Connection: keep-alive
Server: Apache
X-Request-Context-Id: 22c96672-ac56-4044-9413-26989900e836
Vary: Accept-Encoding
X-Rate-Limit-Remaining: 700.0
X-Canvas-Meta: q=783;a=1;g=dxgH017h12kZGvRWFQnayLH7kEnDHxPQFYTRrU8p;s=2805;c=cluster260;z=us-east-1b;o=lti_api;n=grade_passback;b=1679316;m=1679316;u=0.05;y=0.00;d=0.01;
X-Frame-Options: SAMEORIGIN
X-Request-Cost: 0.05777883000001793
Cache-Control: max-age=0, private, must-revalidate
Strict-Transport-Security: max-age=31536000
Referrer-Policy: no-referrer-when-downgrade
X-Permitted-Cross-Domain-Policies: none
X-XSS-Protection: 1; mode=block
X-Download-Options: noopen
X-Runtime: 0.105771
X-Content-Type-Options: nosniff
X-Request-Processor: 02916865b9bf8f8af
X-A11y-Ally: Dana Danger Grey
ETag: W/"10c569d720d29ee57891d6023cf0bebe"
Status: 200 OK
P3P: CP="None, see http://www.instructure.com/privacy-policy

<?xml version="1.0" encoding="UTF-8"?>
<imsx_POXEnvelopeResponse xmlns="http://www.imsglobal.org/services/ltiv1p1/xsd/imsoms_v1p0">
<imsx_POXHeader>
<imsx_POXResponseHeaderInfo>
<imsx_version>V1.0</imsx_version>
<imsx_messageIdentifier/>
<imsx_statusInfo>
<imsx_codeMajor>failure</imsx_codeMajor>
<imsx_severity>status</imsx_severity>
<imsx_description>Assignment is invalid
[EID_28050000002246921]</imsx_description>
<imsx_messageRefIdentifier>5fd23bc1cc924</imsx_messageRefIdentifier>
<imsx_operationRefIdentifier>replaceResult</imsx_operationRefIdentifier>
</imsx_statusInfo>
</imsx_POXResponseHeaderInfo>
</imsx_POXHeader>
<imsx_POXBody><replaceResultResponse/></imsx_POXBody>
</imsx_POXEnvelopeResponse>


-------------------------------------------------------------------------

Another error message from our logs:
{"errors":[{"field":"grade","message":"cannot be changed at this time: You don't have permission to manage grades for this course","error_code":null}],"error_report_id":20910869}

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