JIra Cloud instance start sending Null response after hitting large amount of REST API calls

Hi,

We have developed a Spring boot Atlassian connect Addon for import issues into Jira Cloud from a different application. Addon imports data from the source application and creates Jira issues using imported data in the Jira Cloud instance. This could be a long running process (>2 hours) and could generate more 5000 Jira issues in a single import process.

We have noticed that lot of REST API calls were made to Jira Cloud instance (>30000) during the process and at a point Jira Cloud instance stop sending response data (we receive null value in the response).

The error we are receiving as following. 

[ERROR] [x.y.z.IssueSearchService] ISSUES_SEARCH_SERVICE FAIL : Could not read document: Illegal unquoted character ((CTRL-CHAR, code 10)): has to be escaped using backslash to be included in string value\n at [Source: java.io.ByteArrayInputStream@74ab9e32; line: 1, column: 81]; nested exception is com.fasterxml.jackson.core.JsonParseException: Illegal unquoted character ((CTRL-CHAR, code 10)): has to be escaped using backslash to be included in string value\n at [Source: java.io.ByteArrayInputStream@74ab9e32; line: 1, column: 81]

 

We assume the reason for the above error is due to sending of large number to RESP API calls to Cloud instance but we are not sure about it. Because process runs without any error when it imports small amount of issues ( around 1000 issue)

Thanks

 

 

What could be the possible reason for above error?   

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