Changing Java version in the officail docker image

Elastic Stack Elasticsearch
1

Hi there,
I am using ES 6.8 in a docker container.
Image: docker.elastic.co/elasticsearch/elasticsearch:6.8.1

Now, this docker images is using Java 12, and this is causing some bad reports from our security department.
Seems only approved versions are LTS ones. I think i want to change it to Java 11

So my question is :
How can i change the Java version inside the container/image ?

Second question is:
Can i change the version one by one? This will result cluster with different java version at at a time.

Or do i need to shut-down the whole cluster ?

Thank you in advance
/Georgi

2

You'd need to build your own docker image for this, it's not something that we support with the images we release.
Otherwise, upgrade to 7.13 and you will have a newer JVM.

3

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