$ java -version
openjdk version "11.0.4" 2019-07-16
OpenJDK Runtime Environment (build 11.0.4+11-post-Debian-1deb10u1)
OpenJDK 64-Bit Server VM (build 11.0.4+11-post-Debian-1deb10u1, mixed mode)

$ mvn --version
Apache Maven 3.6.0
Maven home: /usr/share/maven
Java version: 11.0.4, vendor: Debian, runtime: /usr/lib/jvm/java-11-openjdk-amd64
Default locale: en_US, platform encoding: UTF-8
OS name: "linux", version: "4.19.0-5-amd64", arch: "amd64", family: "unix"

$ mvn package --debug
...
[WARNING] The POM for com.alibaba:druid:jar:1.1.17 is invalid, transitive dependencies (if any) will not be available: 2 problems were encountered while building the effective model for com.alibaba:druid:1.1.17
[ERROR] 'dependencies.dependency.systemPath' for com.alibaba:jconsole:jar must specify an absolute path but is ${env.JAVA_HOME}/lib/jconsole.jar @
[ERROR] 'dependencies.dependency.systemPath' for com.alibaba:tools:jar must specify an absolute path but is ${env.JAVA_HOME}/lib/tools.jar @
...