REST API -How to update COMMENT for an existing issue

[sanjay]

I used below rest api code to update COMMENT  for an existing Jira issue

{ "body":"test"     
} 

Error message :      Expected a ':' after a key at 620 [character 4 line 29

[DPK_J · Accepted solution]

@sanjay 

Try example listed on this page using curl request, https://developer.atlassian.com/server/jira/platform/jira-rest-api-example-add-comment-8946422/

You get above mentioned error when 'JSON' data send to request is malformed or not understood properly by Jira.