Class
  public DockerRunOptions(String imageNameAndTag, String javaCmd,
                            String classToRun, String... javaOpts) {
        this.imageNameAndTag = imageNameAndTag;
        this.command = javaCmd;
        this.classToRun = classToRun;
        this.addJavaOpts(javaOpts);
        // always print hserr to stderr in the docker tests to avoid
        // trouble accessing it after a crash in the container
        this.addJavaOpts("-XX:+ErrorFileToStderr");
    }

run addJavaOpts from ctor

The warning is
/home/lmesnik/ws/jdk-lib/open/test/lib/jdk/test/lib/containers/docker/DockerRunOptions.java:62: warning: [this-escape] possible 'this' escape before subclass is fully initialized
        this.addJavaOpts(javaOpts);