[2017-03-29 21:09:18] EXCEPTION: (HTTPFutureHTTPResponseStatus) [HTTP/406] 
{"error":"Content-Type header [application/x-www-form-urlencoded] is not supported","status":406} at [<phutil>/src/future/http/BaseHTTPFuture.php:339]
arcanist(), phabricator(), phutil(), security(), sprint(), wmf-ext-misc(head=wmf/stable, ref.wmf/stable=ef53ff4b0a99)
  #0 BaseHTTPFuture::parseRawHTTPResponse(string) called at [<phutil>/src/future/http/HTTPSFuture.php:418]
  #1 HTTPSFuture::isReady() called at [<phutil>/src/future/Future.php:37]
  #2 Future::resolve() called at [<phutil>/src/future/http/BaseHTTPFuture.php:279]
  #3 BaseHTTPFuture::resolvex() called at [<phabricator>/src/applications/search/fulltextstorage/PhabricatorElasticFulltextStorageEngine.php:517]
  #4 PhabricatorElasticFulltextStorageEngine::executeRequest(PhabricatorElasticSearchHost, string, array) called at [<phabricator>/src/applications/search/fulltextstorage/PhabricatorElasticFulltextStorageEngine.php:313]
  #5 PhabricatorElasticFulltextStorageEngine::indexExists() called at [<phabricator>/src/applications/search/management/PhabricatorSearchManagementInitWorkflow.php:32]
  #6 PhabricatorSearchManagementInitWorkflow::execute(PhutilArgumentParser) called at [<phutil>/src/parser/argument/PhutilArgumentParser.php:441]
  #7 PhutilArgumentParser::parseWorkflowsFull(array) called at [<phutil>/src/parser/argument/PhutilArgumentParser.php:333]
  #8 PhutilArgumentParser::parseWorkflows(array) called at [<phabricator>/scripts/search/manage_search.php:21]
root@phabricator:/srv/phab/phabricator#