The following Java JRE installation is unsupported

Elastic Stack Elasticsearch
1

Hi all!

I am running a 3 node, 7.6.2 cluster and came across the following critical alert during my latest Nessus scan on each:

The following Java JRE installation is unsupported :

  Path              : /usr/share/elasticsearch/jdk/
  Installed version : 1.13.0_2
  Latest versions   : 1.8.x / 1.11.x
  Support dates     : 2020-03-01 (end of Premier Support)

To be honest, I had no idea that a jdk was bundled with Elasticsearch and thought it used the system default, but here we are. Anyone else come across this and if so, how did you overcome it?

Is an updated version of java included with 7.7? Everything else is working fine and don't want to start messing around with reconfiguring it to use the system java instead if I don't have to.

# pwd
/usr/share/elasticsearch/jdk/bin
# ./java --version
openjdk 13.0.2 2020-01-14
OpenJDK Runtime Environment AdoptOpenJDK (build 13.0.2+8)
OpenJDK 64-Bit Server VM AdoptOpenJDK (build 13.0.2+8, mixed mode, sharing)

For reference, my system jdk is 1.8.0.252.

# rpm -qa | grep openjdk-1
java-1.8.0-openjdk-1.8.0.252.b09-2.el7_8.x86_64

# java -version
openjdk version "1.8.0_252"
OpenJDK Runtime Environment (build 1.8.0_252-b09)
OpenJDK 64-Bit Server VM (build 25.252-b09, mixed mode)

Any thoughts?

2

Refer to JDK versions supported by each ES version and how to configure external JDK

https://www.elastic.co/guide/en/elasticsearch/reference/7.6/setup.html

3

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