如何从命令行更改日志级别? [英] How to change log level from command line?

问题描述

如何在不修改现有配置的情况下，在命令行更改 sbt 中的日志级别?

How can I change the log level in sbt at the command line without modifying the existing configuration?

推荐答案

如 全局更改 sbt 的日志级别:

要在启动时执行任何命令之前设置日志记录级别，使用 -- 在日志级别之前

To set the logging level before any commands are executed on startup, use -- before the logging level

有四个日志级别:

• 调试
• 信息
• 警告
• 错误

如果您需要在命令行中应用而不修改现有配置"，请使用适当的级别并以双破折号为前缀执行 sbt 启动器.

If you need one applied "at the command line without modifying the existing configuration", execute the sbt launcher with appropriate level prefixed with double dashes.

jacek:~/oss/scalania
$ sbt --debug
[debug] > boot
[debug] > reload
[debug] > sbtStashOnFailure
[debug] > onFailure load-failed
[debug] > loadp
[info] Loading global plugins from /Users/jacek/.sbt/0.13/plugins
[debug] Running task... Cancelable: false, check cycles: false
[debug]

使用sbt.boot.properties，您也可以打印出sbt 内部日志.请参阅启动器规范.

With sbt.boot.properties you may get sbt internal logs printed out, too. See Launcher Specification.

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