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This document explains about the various error responses the inQuiry micro service currently throws. The intent of this document is to look through the errors and classify it and propose any changes in terms of error reporting.

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title	400 Bad Request

API Functionality

HTTP Error Code

Existing Error Response

Question Create

400 Bad Request

Code Block

{
    "id": "api.question.create",
    "ver": "3.0",
    "ts": "2023-05-14T14:27:33ZZ",
    "params": {
        "resmsgid": "c34e2d4f-779b-49fc-9d6a-db4466c8de3a",
        "msgid": null,
        "err": "CLIENT_ERROR",
        "status": "failed",
        "errmsg": "Validation Errors"
    },
    "responseCode": "CLIENT_ERROR",
    "result": {
        "messages": [
            "Required Metadata name not set"
        ]
    }
}

Question Create

400 Bad Request

Code Block

{
    "id": "api.question.create",
    "ver": "3.0",
    "ts": "2023-05-14T14:26:17ZZ",
    "params": {
        "resmsgid": "e45e51ca-8c4e-4585-ab03-75ab8b131bb5",
        "msgid": null,
        "err": "CLIENT_ERROR",
        "status": "failed",
        "errmsg": "Validation Errors"
    },
    "responseCode": "CLIENT_ERROR",
    "result": {
        "messages": [
            "Required Metadata code not set"
        ]
    }
}

Question Create

400 Bad Request

Code Block

{
    "id": "api.question.create",
    "ver": "3.0",
    "ts": "2023-05-14T14:26:27ZZ",
    "params": {
        "resmsgid": "0020dd04-65ad-4e8a-9194-bb927025d3e0",
        "msgid": null,
        "err": "CLIENT_ERROR",
        "status": "failed",
        "errmsg": "Validation Errors"
    },
    "responseCode": "CLIENT_ERROR",
    "result": {
        "messages": [
            "Required Metadata mimeType not set"
        ]
    }
}

Question Create

400 Bad Request

Code Block

{
    "id": "api.question.create",
    "ver": "3.0",
    "ts": "2023-05-14T14:51:49ZZ",
    "params": {
        "resmsgid": "3814749d-47a0-4e38-a040-6d32e8e4cbcf",
        "msgid": null,
        "err": "CLIENT_ERROR",
        "status": "failed",
        "errmsg": "Validation Errors"
    },
    "responseCode": "CLIENT_ERROR",
    "result": {
        "messages": [
            "Required Metadata primaryCategory not set"
        ]
    }
}

Question Create

400 Bad Request

Code Block

{
    "id": "api.question.create",
    "ver": "3.0",
    "ts": "2023-05-14T14:26:35ZZ",
    "params": {
        "resmsgid": "4ab85c6e-3ee4-4dc3-bcbf-0292b734dfdc",
        "msgid": null,
        "err": "CLIENT_ERROR",
        "status": "failed",
        "errmsg": "Validation Errors"
    },
    "responseCode": "CLIENT_ERROR",
    "result": {
        "messages": [
            "Metadata mimeType should be one of: [application/vnd.sunbird.question]"
        ]
    }
}

Question Update

400 Bad Request

Code Block

{
    "id": "api.question.update",
    "ver": "3.0",
    "ts": "2023-05-14T14:29:03ZZ",
    "params": {
        "resmsgid": "d43a4913-d662-4a8a-8859-9add9a04da52",
        "msgid": null,
        "err": "CLIENT_ERROR",
        "status": "failed",
        "errmsg": "Invalid version Key"
    },
    "responseCode": "CLIENT_ERROR",
    "result": {
        "messages": null
    }
}

Question Review

400 Bad Request

Code Block

{
    "id": "api.question.review",
    "ver": "3.0",
    "ts": "2023-05-14T14:30:20ZZ",
    "params": {
        "resmsgid": "fd89269b-36f9-4673-8af4-db41b5f60716",
        "msgid": null,
        "err": "ERR_MANDATORY_FIELD_VALIDATION",
        "status": "failed",
        "errmsg": "Mandatory Fields [body] Missing for do_21379593928588492814142"
    },
    "responseCode": "CLIENT_ERROR",
    "result": {
        "messages": null
    }
}

Question Review

400 Bad Request

Code Block

{
    "id": "api.question.review",
    "ver": "3.0",
    "ts": "2023-05-14T14:30:24ZZ",
    "params": {
        "resmsgid": "851c2874-e6fe-42b0-8c4f-67c234154bc8",
        "msgid": null,
        "err": "ERR_MANDATORY_FIELD_VALIDATION",
        "status": "failed",
        "errmsg": "Mandatory Fields [responseDeclaration] Missing for do_21379593932446105614143"
    },
    "responseCode": "CLIENT_ERROR",
    "result": {
        "messages": null
    }
}

Question Review

400 Bad Request

Code Block

{
    "id": "api.question.review",
    "ver": "3.0",
    "ts": "2023-05-14T14:30:29ZZ",
    "params": {
        "resmsgid": "23ee2a5c-6ad7-4bae-80c2-94d42f82546d",
        "msgid": null,
        "err": "ERR_MANDATORY_FIELD_VALIDATION",
        "status": "failed",
        "errmsg": "Mandatory Fields [interactions] Missing for do_21379593936168550414144"
    },
    "responseCode": "CLIENT_ERROR",
    "result": {
        "messages": null
    }
}

Question Review

400 Bad Request

Code Block

{
    "id": "api.question.review",
    "ver": "3.0",
    "ts": "2023-05-14T14:30:34ZZ",
    "params": {
        "resmsgid": "3de1955f-c480-4903-ba17-05e59cf2dc43",
        "msgid": null,
        "err": "ERR_MANDATORY_FIELD_VALIDATION",
        "status": "failed",
        "errmsg": "Mandatory Fields [answer] Missing for do_21379593940282572814145"
    },
    "responseCode": "CLIENT_ERROR",
    "result": {
        "messages": null
    }
}

Question Publish

400 Bad Request

Code Block

{
    "id": "api.question.publish",
    "ver": "3.0",
    "ts": "2023-05-14T14:30:56ZZ",
    "params": {
        "resmsgid": "3c82e765-b5e0-4fec-8e5e-87d66f60b323",
        "msgid": null,
        "err": "ERR_MANDATORY_FIELD_VALIDATION",
        "status": "failed",
        "errmsg": "Mandatory Fields [body] Missing for do_21379593958717030414146"
    },
    "responseCode": "CLIENT_ERROR",
    "result": {
        "messages": null
    }
}

Question Publish

400 Bad Request

Code Block

{
    "id": "api.question.publish",
    "ver": "3.0",
    "ts": "2023-05-14T14:31:00ZZ",
    "params": {
        "resmsgid": "e54e1b92-98a8-46bb-a27c-f9790dffd713",
        "msgid": null,
        "err": "ERR_MANDATORY_FIELD_VALIDATION",
        "status": "failed",
        "errmsg": "Mandatory Fields [responseDeclaration] Missing for do_21379593961955328014147"
    },
    "responseCode": "CLIENT_ERROR",
    "result": {
        "messages": null
    }
}

Question Publish

400 Bad Request

Code Block

{
    "id": "api.question.publish",
    "ver": "3.0",
    "ts": "2023-05-14T14:31:04ZZ",
    "params": {
        "resmsgid": "80ab8746-8455-4d62-9bf9-886bd38851d8",
        "msgid": null,
        "err": "ERR_MANDATORY_FIELD_VALIDATION",
        "status": "failed",
        "errmsg": "Mandatory Fields [interactions] Missing for do_21379593964663603214148"
    },
    "responseCode": "CLIENT_ERROR",
    "result": {
        "messages": null
    }
}

Question Publish

400 Bad Request

Code Block

{
    "id": "api.question.publish",
    "ver": "3.0",
    "ts": "2023-05-14T14:31:07ZZ",
    "params": {
        "resmsgid": "7ec01a2a-3e35-46d7-8385-0dcc81780708",
        "msgid": null,
        "err": "ERR_MANDATORY_FIELD_VALIDATION",
        "status": "failed",
        "errmsg": "Mandatory Fields [answer] Missing for do_21379593967552921614149"
    },
    "responseCode": "CLIENT_ERROR",
    "result": {
        "messages": null
    }
}

Question List

400 Bad Request

Code Block

{
    "id": "api.questions.list",
    "ver": "3.0",
    "ts": "2023-05-14T14:31:29ZZ",
    "params": {
        "resmsgid": "f76b3bb2-05f0-428a-b0ee-113609f12b6f",
        "msgid": null,
        "err": "ERR_BAD_REQUEST",
        "status": "failed",
        "errmsg": "Request contains invalid identifiers : [do_list_abc_123]."
    },
    "responseCode": "CLIENT_ERROR",
    "result": {
        "messages": null
    }
}

Question List

400 Bad Request

Code Block

{
    "id": "api.questions.list",
    "ver": "3.0",
    "ts": "2023-05-14T14:31:34ZZ",
    "params": {
        "resmsgid": "9edb0e68-8a15-4219-a92a-902efcc786ee",
        "msgid": null,
        "err": "ERR_BAD_REQUEST",
        "status": "failed",
        "errmsg": "Request contains invalid identifiers : [do_list_abc_234, do_list_abc_123]."
    },
    "responseCode": "CLIENT_ERROR",
    "result": {
        "messages": null
    }
}

Question Import

400 Bad Request

Code Block

{
    "id": "api.question.import",
    "ver": "3.0",
    "ts": "2023-05-14T14:32:00ZZ",
    "params": {
        "resmsgid": "b71e805f-5341-4e56-93ed-9f57fd293864",
        "msgid": null,
        "err": "ERR_REQUIRED_PROPS_VALIDATION",
        "status": "failed",
        "errmsg": "Validation Failed! Mandatory Properties Are [\"name\",\"code\",\"mimeType\",\"framework\",\"channel\"] | Required Property's Missing For [fb1aef22-88e4-4f91-8055-6086bf338bf1]"
    },
    "responseCode": "CLIENT_ERROR",
    "result": {
        "messages": null
    }
}

Question Import

400 Bad Request

Code Block

{
    "id": "api.question.import",
    "ver": "3.0",
    "ts": "2023-05-14T14:32:09ZZ",
    "params": {
        "resmsgid": "6a19eeec-b742-4057-a782-c5c1a6a73695",
        "msgid": null,
        "err": "ERR_READ_SOURCE",
        "status": "failed",
        "errmsg": "Received Invalid Response While Reading Data From Source. Response Code is : RESOURCE_NOT_FOUND"
    },
    "responseCode": "CLIENT_ERROR",
    "result": {
        "messages": null
    }
}

Question Reject

400 Bad Request

Code Block

{
    "id": "api.question.reject",
    "ver": "3.0",
    "ts": "2023-05-14T14:32:19ZZ",
    "params": {
        "resmsgid": "1acd73e6-d400-492e-abf5-5654c3425934",
        "msgid": null,
        "err": "ERR_QUESTION_REJECT",
        "status": "failed",
        "errmsg": "Question is not in 'Review' state for identifier: do_21379594026542694414151"
    },
    "responseCode": "CLIENT_ERROR",
    "result": {
        "messages": null
    }
}

QuestionSet Create

400 Bad Request

Code Block

{
    "id": "api.questionset.create",
    "ver": "3.0",
    "ts": "2023-05-14T14:32:44ZZ",
    "params": {
        "resmsgid": "9ce43dcc-49c6-4b19-9285-1e4019bfbf30",
        "msgid": null,
        "err": "CLIENT_ERROR",
        "status": "failed",
        "errmsg": "Validation Errors"
    },
    "responseCode": "CLIENT_ERROR",
    "result": {
        "messages": [
            "Required Metadata name not set"
        ]
    }
}

QuestionSet Create

400 Bad Request

Code Block

{
    "id": "api.questionset.create",
    "ver": "3.0",
    "ts": "2023-05-14T14:32:53ZZ",
    "params": {
        "resmsgid": "6ac7f1cc-a41a-4bf4-a5f7-49f16beece82",
        "msgid": null,
        "err": "CLIENT_ERROR",
        "status": "failed",
        "errmsg": "Validation Errors"
    },
    "responseCode": "CLIENT_ERROR",
    "result": {
        "messages": [
            "Required Metadata code not set"
        ]
    }
}

QuestionSet Create

400 Bad Request

Code Block

{
    "id": "api.questionset.create",
    "ver": "3.0",
    "ts": "2023-05-14T14:32:56ZZ",
    "params": {
        "resmsgid": "6a4dc627-3593-49d5-adcf-d0c0a077cff6",
        "msgid": null,
        "err": "CLIENT_ERROR",
        "status": "failed",
        "errmsg": "Validation Errors"
    },
    "responseCode": "CLIENT_ERROR",
    "result": {
        "messages": [
            "Required Metadata mimeType not set"
        ]
    }
}

QuestionSet Update

200 OK

??

QuestionSet Update Hierarchy

400 Bad Request

Code Block

{
    "id": "api.questionset.hierarchy.update",
    "ver": "3.0",
    "ts": "2023-05-14T14:33:44ZZ",
    "params": {
        "resmsgid": "948bf8e0-c33c-40ed-8e69-fdecace00b7d",
        "msgid": null,
        "err": "ERR_INVALID_ROOT_ID",
        "status": "failed",
        "errmsg": "Please Provide Valid Root Node Identifier"
    },
    "responseCode": "CLIENT_ERROR",
    "result": {
        "messages": null
    }
}

QuestionSet Review

400 Bad Request

Code Block

{
    "id": "api.questionset.review",
    "ver": "3.0",
    "ts": "2023-05-14T14:34:05ZZ",
    "params": {
        "resmsgid": "f90d747b-be39-4fad-992c-c5e2c8575806",
        "msgid": null,
        "err": "ERR_MANDATORY_FIELD_VALIDATION",
        "status": "failed",
        "errmsg": "Mandatory Fields [responseDeclaration] Missing for do_21379594112953548814163"
    },
    "responseCode": "CLIENT_ERROR",
    "result": {
        "messages": null
    }
}

QuestionSet Publish

400 Bad Request

Code Block

{
    "id": "api.questionset.publish",
    "ver": "3.0",
    "ts": "2023-05-14T14:34:33ZZ",
    "params": {
        "resmsgid": "25552ef2-1af5-4bbb-80cb-d68b8f229b1f",
        "msgid": null,
        "err": "ERR_MANDATORY_FIELD_VALIDATION",
        "status": "failed",
        "errmsg": "Mandatory Fields [responseDeclaration] Missing for do_21379594136426086414168"
    },
    "responseCode": "CLIENT_ERROR",
    "result": {
        "messages": null
    }
}

QuestionSet Retire

400 Bad Request

Code Block

{
    "id": "api.questionset.retire",
    "ver": "3.0",
    "ts": "2023-05-14T14:35:05ZZ",
    "params": {
        "resmsgid": "b2e2a370-dee4-47cb-8fe6-a250cdc70f7c",
        "msgid": null,
        "err": "ERR_QUESTION_SET_RETIRE",
        "status": "failed",
        "errmsg": "QuestionSet with identifier : do_21379594162091622414177 is already Retired."
    },
    "responseCode": "CLIENT_ERROR",
    "result": {
        "messages": null
    }
}

QuestionSet Reject

400 Bad Request

Code Block

{
    "id": "api.questionset.reject",
    "ver": "3.0",
    "ts": "2023-05-14T14:38:57ZZ",
    "params": {
        "resmsgid": "ff2aac33-c257-487a-85a8-b44a013e2f71",
        "msgid": null,
        "err": "ERR_QUESTION_SET_REJECT",
        "status": "failed",
        "errmsg": "QuestionSet is not in 'Review' state for identifier: do_21379594343893401614182"
    },
    "responseCode": "CLIENT_ERROR",
    "result": {
        "messages": null
    }
}

QuestionSet Import

400 Bad Request

Code Block

{
    "id": "api.questionset.import",
    "ver": "3.0",
    "ts": "2023-05-14T14:39:31ZZ",
    "params": {
        "resmsgid": "b8a1999b-5893-4ef5-801d-b7c73813119f",
        "msgid": null,
        "err": "ERR_REQUIRED_PROPS_VALIDATION",
        "status": "failed",
        "errmsg": "Validation Failed! Mandatory Properties Are [\"name\",\"code\",\"mimeType\",\"framework\",\"channel\"] | Required Property's Missing For [4f85db76-f8c4-41d0-b45c-a8cadba2f618]"
    },
    "responseCode": "CLIENT_ERROR",
    "result": {
        "messages": null
    }
}

QuestionSet Import

400 Bad Request

Code Block

{
    "id": "api.questionset.import",
    "ver": "3.0",
    "ts": "2023-05-14T14:39:36ZZ",
    "params": {
        "resmsgid": "45cd3ffc-205e-44cd-8017-40804711aa2a",
        "msgid": null,
        "err": "ERR_READ_SOURCE",
        "status": "failed",
        "errmsg": "Received Invalid Response While Reading Data From Source. Response Code is : RESOURCE_NOT_FOUND"
    },
    "responseCode": "CLIENT_ERROR",
    "result": {
        "messages": null
    }
}

QuestionSet Add Children

400 Bad Request

Code Block

{
    "id": "api.questionset.add",
    "ver": "3.0",
    "ts": "2023-05-14T14:39:44ZZ",
    "params": {
        "resmsgid": "6f0aa0d2-6d4a-4788-8a22-0c68d8bb841a",
        "msgid": null,
        "err": "ERR_BAD_REQUEST",
        "status": "failed",
        "errmsg": "children are mandatory"
    },
    "responseCode": "CLIENT_ERROR",
    "result": {
        "messages": null
    }
}

QuestionSet Remove Children

400 Bad Request

Code Block

{
    "id": "api.questionset.remove",
    "ver": "3.0",
    "ts": "2023-05-14T14:40:01ZZ",
    "params": {
        "resmsgid": "242d2006-4e0e-49d8-8edd-725e68fd6a16",
        "msgid": null,
        "err": "ERR_BAD_REQUEST",
        "status": "failed",
        "errmsg": "children are mandatory"
    },
    "responseCode": "CLIENT_ERROR",
    "result": {
        "messages": null
    }
}

...

Info

We can reserve error codes for the parent category of errors, something like outlined below,

CLIENT_ERROR - 10000 to 20000

RESOURCE_NOT_FOUND - 20001 to 30000

SERVER_ERROR - 30001 to 40000

Mention the Error object that is to be added in knowlg core

Info
The Error class will be part of knowlg core

Sample code for exception,

Code Block
throw new ClientException("ERR_INVALID_REQUEST", "A summary of the error", listOfErrors;

Solution 2

Preparing a key / value of the field with the error and corresponding message.

...

One limitation with this approach is if there are multiple errors to be returned on the same field, then it becomes difficult.

<<Add >>Sample code for exception,

Code Block
throw new ClientException("ERR_APIINVALID_CALLREQUEST", "SomethingA Wentsummary Wrongof While Making API Call \| Error is: " + e.getMessage(), map());

...

Error Category

...

Error Sub Category

...

Error Code

...

Scenarios Applicable

...

ERROR_INVALID_REQUEST

...

ERROR_MANDATORY_FIELD_VALIDATION

...

1000

...

<<Sample from >>

...

ERROR_INVALID_REQUEST

...

ERROR_INVALID_PROPERTY

...

1001

...

Sending a property not recognised by the micro service

...

the error", mapOfErrors);

Proposed Error Category and Definitions

Info

ClientException - Can the client recover from an error by fixing the error and resubmitting?

ResourceNotFoundException - The resource that is requested by the client is not found in the server. Client can recover from this error by correcting the mistake if possible.

ServerException - May be a external API call failed. Nothing for the client to fix an resubmit, but in some case can be retried

Recheck if we are using the right exception in the right context

Error Category	HTTP Error Code	Error Sub Category	Error Code	Scenarios Applicable
ERR_INVALID_REQUEST	400	ERR_MANDATORY_FIELD_MISSING		Mandatory attributes are missing or missing values Mandatory fields missing Required fields are not passed Some examples Identifier missing rootId missing childrens are not given
ERR_INVALID_REQUEST	400	ERR_INVALID_PROPERTY_SUPPLIED	1000	When property is invalid or given in wrong place in the request The property inside the request pay load is not recognised by the server The property given is restricted for usage Schema validation errors detected on the properties Some examples Questions requested with children in hierarchy
ERR_INVALID_REQUEST	400	ERR_INVALID_VALUE_SUPPLIED		Request has an invalid value when validating Any validation errors detected on the value supplied Some examples Channel id not matching Identifier supplied is not valid Value supplied is not valid for the key More values supplied than the limit Incorrect children values supplied Invalid identifiers Invalid mimeType
ERR_INVALID_REQUEST	400	ERR_VALUE_CANNOT_BE_EMPTY	1001	In case of conditionally required and not always mandatory Not defined as mandatory, but conditionally needs a value
	400	ERR_OPERATION_NOT_PERMITTED		Errors due to the current state of the resource Question visibility is private Question Visibility cannot be Parent Channel id not matching Updating individually for an item whose visibility is parent Sending for a review individually for an item whose visibility is parent Branching logic not expected Invalid visibility
	400	ERR_RESOURCE_STATE_INVALID		State or status of the resource is not in the desired form for carrying out the current operation An Object Can't Depend On More Than 1 Object A Dependent Object Can't Have Further Dependent Object Invalid Relation Object Found. Dependent Children Found!
ERR_RESOURCE_NOT_FOUND	404	ERR_RESOURCE_NOT_FOUND		The requested resource is not found in the server Nodes doesn’t exist with the given identifier Source With Identifiers not found Content not found No hierarchy found in Cassandra
ERR_SERVER_EXCEPTION	500	ERR_API_CALL		Exception occurred while making API calls
ERR_SERVER_EXCEPTION	500	ERR_JOB_SUBMISSION		Exception occurred when submitting the jobs Kafka event was not generated properly
ERR_SERVER_EXCEPTION	500	ERR_DATA_STORE		Exception occurred while performing operation against the various data stores
ERR_SERVER_EXCEPTION	500	ERR_DATA_PARSING		Exception occurred while parsing the input data
ERR_SERVER_EXCEPTION	500	ERR_SYSTEM_EXCEPTION		Other exception occurred in the server side

Versions Compared

Old Version 25

New Version Current

Key

Solution 2

Proposed Error Category and Definitions