After some investigation the option is -detectmodules not -detectmodules=true or -Bdetectmodules=true. So this bug is to add better error handling to arguments.

JNLP Bundler fails with the argument:

-Bdetectmodules=true

Failing in DeployParams.public.getBundleParams()

Line 742:

        // check for collisions
        TreeSet<String> keys = new TreeSet<>(bundlerArguments.keySet());
        keys.retainAll(bundleParams.getBundleParamsAsMap().keySet());

        if (!keys.isEmpty()) {
            throw new RuntimeException("Deploy Params and Bundler Arguments overlap in the following values:" + keys.toString());
        }

Exception in thread "main" com.sun.javafx.tools.packager.PackagerException: Error: deploy failed
at com.sun.javafx.tools.packager.PackagerLib.generateDeploymentPackages(jdk.packager/PackagerLib.java:341)
at com.sun.javafx.tools.packager.Main.main(jdk.packager/Main.java:502)
Caused by: java.lang.RuntimeException: Deploy Params and Bundler Arguments overlap in the following values:[detectmodules]
at com.sun.javafx.tools.packager.DeployParams.getBundleParams(jdk.packager/DeployParams.java:742)
at com.sun.javafx.tools.packager.PackagerLib.generateDeploymentPackages(jdk.packager/PackagerLib.java:315)
... 1 more

Something in this change is causing problems, or how I’m calling it:

                        } else if (arg.equals("-addmodule")) {
                            deployParams.addModules.add(nextArg(args, i++));
                        } else if (arg.equals("-limitmodule")) {
                            deployParams.limitModules.add(nextArg(args, i++));
                        } else if (arg.equals("-detectmodules")) {
                            deployParams.detectModules = true;
                        } else if (arg.equals("-linkmodulepath")) {
                            if (deployParams.linkModulePath == null) {
                                deployParams.linkModulePath = nextArg(args, i++);
                            } else {
                                deployParams.linkModulePath =
                                        deployParams.linkModulePath
                                        + File.pathSeparator
                                        + nextArg(args, i++);
                            }
                        } else if (arg.equals("-appmodulepath")) {
                            if (deployParams.appModulePath == null) {
                                deployParams.appModulePath = nextArg(args, i++);
                            } else {
                                deployParams.appModulePath =
                                        deployParams.appModulePath
                                        + File.pathSeparator
                                        + nextArg(args, i++);
                            }