Do we want to do it, given 5.7 is going EOL on 31 May 2022?

General Availability should be around 14 September 2021 https://openjdk.java.net/projects/jdk/17/

Certified stack:

• Magnolia 5.7: https://documentation.magnolia-cms.com/display/DOCS57/Certified+stack#Certifiedstack-Java

  Checklist

General Java 17 compatibility:

• Run ITs on Jenkins with Java 17 (bump containers's Java version in Dockerfile)
  () CE
  () EE
  () Content-editor

• Manual tests not covered by ITs
  () groovy scripts
  () imaging renditions
  () importing/exporting XML bootstraps
  () backup & restore
  () cloud validation (cloud only supports Java LTS releases)

javascript-models (removed from stack as of JDK 16)

Notes
Need to check Windows operating system. Looks like we might have some issue there: [^catalina.2022-01-18.log]