JSON::ParserError in Lti::LaunchesController#show

767: unexpected token at '<html> <head><title>503 Service Temporarily Unavailable</title></head> <body> <center><h1>503 Service Temporarily Unavailable</h1></center> </body> </html> '

Extracted source (around line #26):
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25
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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"=>"2385", "id"=>"17345"}

Response

Headers:

None