The coremedia/java-application-base images starting with 2.1-cm-17.* will no longer set java.io.tmpdir to /var/tmp by default but instead to /tmp to match the default used in most JVM frameworks like Apache Tomcat uses it for its root dir when embedded in Spring Boot applications. This is a consolidation to make CoreMedia container based applications easier to configure when securing it to have a readonly rootfs.

(CMS-23622)