如何使Playframework Evolutions日志记录更加冗长? [英] How to make Playframework Evolutions logging more verbose?

问题描述

由于遇到问题，我一直在尝试查看它们的运行情况. 当我单击应用此脚本"按钮时，再次出现要求我应用该脚本的页面，并且卡在了该循环中.它会创建"play_evolutions"表，但不会运行任何脚本.

I've been trying to see what's going on with them, as I'm facing a problem. When I click the "apply this script" button, the page asking me to apply the script appears again, and it stucks in that loop. It creates the "play_evolutions" table, but no script is run.

控制台中的日志没有提供任何相关信息.我已经手动运行了脚本，没关系...所以我不知道真正的问题是什么，因此我需要更多日志记录.

The log in the console doesn't give me any relevant info. I've run manually the script and it's ok... So I wan't to know what the real problem is, therefore I need more logging.

推荐答案

进化通常不是很冗长(当talks时，它大多在警告级别进行).

Evolutions are not very verbose in general (when it talks it mostly does that on warn level).

基本上要确保您有这行内容，才能获取播放进化产生的所有内容(应该在logback.xml文件中):

Basically make sure you have this line at you should get everything play-evolutions produce (it should be in logback.xml file):

<logger name="play.api.db.evolutions" level="DEBUG" />

完整文件(仅作为示例):

Full file (as an example only):

<configuration>
  <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
    <encoder>
      <pattern>%level %logger{15} - %message%n%xException</pattern>
    </encoder>
  </appender>

  <logger name="play.api.db.evolutions" level="DEBUG" />

  <root level="INFO">
    <appender-ref ref="STDOUT" />
  </root>
</configuration>

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