Homebrew-core: kafka fail o install - Javareuiremenet unsatisfied : but Java is installed

[ghost]

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[ghost]

kafka: Java 1.8 is required to install this formula.
JavaRequirement unsatisfied!

But is installed and at the correct version :

[shacharz]

I also see this issue, installing Kafka on a brand new comp.

Reproduce:

1. brew cask install java - installs successfully
2. brew install kafka - outputs:

kafka: Java 1.8 is required to install this formula.
JavaRequirement unsatisfied!

You can install with Homebrew-Cask:
  brew cask install java

You can download from:
  https://www.oracle.com/technetwork/java/javase/downloads/index.html
Error: An unsatisfied requirement failed this build.

brew gist-logs kafka:

Error: No logs.

brew config:

HOMEBREW_VERSION: 1.3.5
ORIGIN: https://github.com/Homebrew/brew
HEAD: 91ab116ace7f4f97d3440190463c93be9ec6d675
Last commit: 9 days ago
Core tap ORIGIN: https://github.com/Homebrew/homebrew-core
Core tap HEAD: a75a98e8bd2204036db54be970b4ef3a654178ef
Core tap last commit: 2 hours ago
HOMEBREW_PREFIX: /usr/local
HOMEBREW_REPOSITORY: /usr/local/Homebrew
HOMEBREW_CELLAR: /usr/local/Cellar
HOMEBREW_BOTTLE_DOMAIN: https://homebrew.bintray.com
CPU: octa-core 64-bit haswell
Homebrew Ruby: 2.3.3 => /usr/local/Homebrew/Library/Homebrew/vendor/portable-ruby/2.3.3/bin/ruby
Clang: 9.0 build 900
Git: 2.13.5 => /Library/Developer/CommandLineTools/usr/bin/git
Perl: /usr/bin/perl
Python: /usr/bin/python
Ruby: /usr/bin/ruby => /System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/bin/ruby
Java: 9
macOS: 10.12.6-x86_64
Xcode: N/A
CLT: 9.0.0.0.1.1504363082
X11: N/A

brew doctor:

Your system is ready to brew.

/usr/libexec/java_home:

/Library/Java/JavaVirtualMachines/jdk-9.jdk/Contents/Home

[whatl3y]

experiencing the same issue and have identical config and output as @shacharz

[ilovezfs]

brew cask install caskroom/versions/java8 should satisfy the requirement.