Homebrew running service shows error, how to debug this?
Look at the log file in /usr/local/var/log/elasticsearch.log
.
TL;DR
If you look at the formula definition with:
brew edit elasticsearch@6
You will find the content of the plist file used for this service, which define the output log as:
#{var}/log/elasticsearch.log
According to the documentation:
#var ⇒ Object
The directory where the formula's variable files should be installed. This directory is not inside the HOMEBREW_CELLAR so it persists across upgrades.
According to the source code:
def var
HOMEBREW_PREFIX/"var"
end
You can find the HOMEBREW_PREFIX
with:
brew --prefix
It is most likely /usr/local
. So you will find your log file in /usr/local/var/log/elasticsearch.log
.