在Catalina上全新安装后尝试使用sbt运行Play Scala应用时出错:“加载JNotify监视服务时出错:null" [英] Error when trying to run a Play Scala app with sbt after fresh install on Catalina: "Error loading JNotify watch service: null"

问题描述

移至Catalina并重新安装所有内容后，无法运行我的Play Scala应用.

After moving to Catalina and re-installing everything, no way to run my Play Scala app.

先执行sbt然后执行run，我会收到此错误:

After doing sbt then run, I get this error:

[warn] Error loading JNotify watch service: null

此brewfile的所有文件都安装了brew(我没有粘贴完整的文件):

Everything was installed with brew from this brewfile (I didn't paste the complete file):

tap "AdoptOpenJDK/openjdk"

# Mac apps
cask "adoptopenjdk8"

brew "sbt@0.13"
brew "jenv"

Java版本:

openjdk version "1.8.0_242"
OpenJDK Runtime Environment (AdoptOpenJDK)(build 1.8.0_242-b08)
OpenJDK 64-Bit Server VM (AdoptOpenJDK)(build 25.242-b08, mixed mode)

sbt: 0.13.18 播放: 2.6.20 OS X: 10.15.3(19D76)

sbt: 0.13.18 play: 2.6.20 os x: 10.15.3 (19D76)

推荐答案

我无法从技术上解释为什么JNotify无法在您的环境中正常工作，但是我可以肯定地说它与openjdk8的最新更新有关.

I can't technically explain why JNotify is not working well on your environment but I can definitely say it's linked to the latest update of openjdk8.

所以我成功地重现了adoptopenjdk8版本242的问题，我的解决方法是卸载此版本的openjdk并强制brew安装以前的版本(232):

So I succeeded to reproduce the issue with adoptopenjdk8 version 242, my workaround is to uninstall this version of openjdk and force brew to install a previous version (232) :

brew cask install "https://raw.githubusercontent.com/AdoptOpenJDK/homebrew-openjdk/19d716f1c9ebc325ed23c5df580e0d2b027285a1/Casks/adoptopenjdk8.rb"

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