在Ubuntu18.04上加载SimpleXML失败

Question

我最近在Ubuntu 18.04服务器上安装了一个phabricator本地实例，我正在将其配置为使用Amazon SES处理出站电子邮件，在配置完上述所有步骤后，我正在尝试使用./bin/mail send-test --to测试电子邮件功能，该测试失败并出现以下错误：

Reading message body from stdin...
[2020-07-10 06:28:19] EXCEPTION: (Exception) The PHP SimpleXML extension is not available, but this extension is required to send mail via Amazon SES, because Amazon SES returns API responses in XML format. Install or enable the SimpleXML extension. at [<phabricator>/externals/amazon-ses/ses.php:84]
arcanist(head=master, ref.master=65cda1596f25), phabricator(head=master, ref.master=205657ac76a2)
  #0 SimpleEmailService::__construct called at [<phabricator>/src/applications/metamta/adapter/PhabricatorMailAmazonSESAdapter.php:62]
  #1 PhabricatorMailAmazonSESAdapter::executeSend called at [<phabricator>/externals/phpmailer/class.phpmailer-lite.php:592]
  #2 PHPMailerLite::Send called at [<phabricator>/src/applications/metamta/adapter/PhabricatorMailAmazonSESAdapter.php:45]
  #3 PhabricatorMailAmazonSESAdapter::sendMessage called at [<phabricator>/src/applications/metamta/storage/PhabricatorMetaMTAMail.php:750]
  #4 PhabricatorMetaMTAMail::sendWithMailers called at [<phabricator>/src/applications/metamta/storage/PhabricatorMetaMTAMail.php:555]
  #5 PhabricatorMetaMTAMail::sendNow called at [<phabricator>/src/applications/metamta/PhabricatorMetaMTAWorker.php:22]
  #6 PhabricatorMetaMTAWorker::doWork called at [<phabricator>/src/infrastructure/daemon/workers/PhabricatorWorker.php:124]
  #7 PhabricatorWorker::executeTask called at [<phabricator>/src/infrastructure/daemon/workers/PhabricatorWorker.php:163]
  #8 PhabricatorWorker::scheduleTask called at [<phabricator>/src/applications/metamta/storage/PhabricatorMetaMTAMail.php:525]
  #9 PhabricatorMetaMTAMail::save called at [<phabricator>/src/applications/metamta/management/PhabricatorMailManagementSendTestWorkflow.php:228]
  #10 PhabricatorMailManagementSendTestWorkflow::execute called at [<arcanist>/src/parser/argument/PhutilArgumentParser.php:492]
  #11 PhutilArgumentParser::parseWorkflowsFull called at [<arcanist>/src/parser/argument/PhutilArgumentParser.php:377]
  #12 PhutilArgumentParser::parseWorkflows called at [<phabricator>/scripts/mail/manage_mail.php:21]

我已经安装了php7.2-xml

我的部署环境如下：

Description:    Ubuntu 18.04.4 LTS
Release:    18.04
Codename:   bionic

PHP：

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Answer 1

php-7.2-xml与7.4不兼容，我安装了7.4-xml，它工作了！