If the Java 6 app is a server process (not a GUI app), use an old Linux image like centos:6 and install OpenJDK 6 via YUM. Example: docker run -it centos:6 /bin/bash
Before proceeding, you must evaluate the security risks of deploying legacy software: java runtime environment 1.6 0 32 bit download
Disclaimer: This article is for educational and legacy support purposes. Oracle, Java, and JRE are trademarks of Oracle Corporation. The author is not responsible for any security breaches or data loss resulting from the installation of outdated software. If the Java 6 app is a server
A: Absolutely. Multiple JREs can coexist. Windows will use the one associated with the file type or the one set in the PATH variable. Just ensure the browser plugin for Java 6 is disabled. java runtime environment 1.6 0 32 bit download