[2015-05-29 23:18:15] EXCEPTION: (PhutilProxyException) Error while executing Task ID 8421. {>} (HTTPFutureHTTPResponseStatus) [HTTP/404] Not Found
<!DOCTYPE HTML PUBLIC "-W3CDTD HTML 3.2 Final//EN">
<title>404 Not Found</title>
<h1>Not Found</h1>
<p>The requested URL was not found on the server.</p><p>If you entered the URL manually please check your spelling and try again.</p> at [<phutil>/src/future/http/BaseHTTPFuture.php:339]
arcanist(head=master, ref.master=f00d4219ddab), phabricator(head=production, ref.master=cbc5ad1604d0, ref.production=02cee751385e), phutil(head=master, ref.master=72ea80ff1468)
#0 BaseHTTPFuture::parseRawHTTPResponse(string) called at [<phutil>/src/future/http/HTTPSFuture.php:415] #1 HTTPSFuture::isReady() called at [<phutil>/src/future/Future.php:39] #2 Future::resolve() called at [<phutil>/src/future/http/BaseHTTPFuture.php:279] #3 BaseHTTPFuture::resolvex() called at [<phabricator>/src/applications/metamta/adapter/PhabricatorMailImplementationMailgunAdapter.php:121] #4 PhabricatorMailImplementationMailgunAdapter::send() called at [<phabricator>/src/applications/metamta/storage/PhabricatorMetaMTAMail.php:701] #5 PhabricatorMetaMTAMail::sendNow() called at [<phabricator>/src/applications/metamta/PhabricatorMetaMTAWorker.php:26] #6 PhabricatorMetaMTAWorker::doWork() called at [<phabricator>/src/infrastructure/daemon/workers/PhabricatorWorker.php:91] #7 PhabricatorWorker::executeTask() called at [<phabricator>/src/infrastructure/daemon/workers/storage/PhabricatorWorkerActiveTask.php:158] #8 PhabricatorWorkerActiveTask::executeTask() called at [<phabricator>/src/infrastructure/daemon/workers/PhabricatorTaskmasterDaemon.php:20] #9 PhabricatorTaskmasterDaemon::run() called at [<phutil>/src/daemon/PhutilDaemon.php:184] #10 PhutilDaemon::execute() called at [<phutil>/scripts/daemon/exec/exec_daemon.php:125]