Handle parse errors

[jan4843]

Requests where the body is not valid JSON would cause MultiJson::ParseError to be raised but not translated to a RequestHandler error. Handling RequestHandler::ExternalBaseError should arguably include parsing errors caused by invalid user input.

[codecov-commenter]

⚠️ Please install the to ensure uploads and comments are reliably processed by Codecov.

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 98.20%. Comparing base (80a6d77) to head (ab80ff4).
⚠️ Report is 15 commits behind head on master.
❗ Your organization needs to install the Codecov GitHub app to enable full functionality.

Additional details and impacted files

@@           Coverage Diff           @@
##           master      #47   +/-   ##
=======================================
  Coverage   98.19%   98.20%           
=======================================
  Files          41       41           
  Lines         887      889    +2     
=======================================
+ Hits          871      873    +2     
  Misses         16       16           

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.