in src/main/java/org/apache/maven/plugins/jlink/AbstractJLinkToolchainExecutor.java [72:80]
public int executeJlink(List<String> jlinkArgs) throws MojoExecutionException {
File jlinkExecutable = getJlinkExecutable();
getLog().info("Toolchain in maven-jlink-plugin: jlink [ " + jlinkExecutable + " ]");
Commandline cmd = createJLinkCommandLine(jlinkArgs);
cmd.setExecutable(jlinkExecutable.getAbsolutePath());
return executeCommand(cmd);
}