JSON::ParserError in Lti::LaunchesController#show

767: unexpected token at '<!DOCTYPE html> <html> <head> <meta name="viewport" content="width=device-width, initial-scale=1"> <meta charset="utf-8"> <title>Heroku | Application Error</title> <style media="screen"> html,body,iframe { margin: 0; padding: 0; } html,body { height: 100%; overflow: hidden; } iframe { width: 100%; height: 100%; border: 0; } </style> </head> <body> <iframe src="//www.herokucdn.com/error-pages/no-such-app.html"></iframe> </body> </html> '

Extracted source (around line #26):
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request = conn.post @tool.oauth2_url, body
JSON.parse(request.body)
end
def body

Rails.root: /app

Application Trace | Framework Trace | Full Trace

Request

Parameters:

{"tool_id"=>"2595", "id"=>"18564"}

Response

Headers:

None