Elasticsearch 6.x warning cannot open file logs/gc.log

Question

I had downgraded to Elasticsearch 6.X (from 7.x) using Homebrew and started to get a warning.

OpenJDK 64-Bit Server VM warning: Cannot open file logs/gc.log due to No such file or directory

How do you fix it?

I've looked at a similar error on Elasticsearch 8 which gives an error but the answer does not resolve this.

The differences are:

• different Elasticsearch version 6.X not 7.x
• warning not an error
• I am using JDK 8 not 9.

Answer 1

Elasticsearch 6.X

Solution:

#
# /usr/local/etc/elasticsearch/jvm.options
#  - directories might be specific for Homebrew installation
#

## JDK 8 GC logging

...
# Before
8:-Xloggc:logs/gc.log
# After
8:-Xloggc:/usr/local/var/log/elasticsearch/gc.log
...