File javaExecutable = new File(javaForkOptions.getExecutable());
            JavaInfo jvm = Jvm.forHome(javaExecutable.getParentFile().getParentFile());
            File toolsJar = jvm.getToolsJar();
            if (toolsJar == null) {
                String contextualMessage = String.format("The 'tools.jar' cannot be found in the JDK '%s'.", jvm.getJavaHome());

        List<File> antClasspath = Lists.newArrayList(classPathRegistry.getClassPath("ANT").getAsFiles());
        // Need tools.jar for compile tasks
        File toolsJar = Jvm.current().getToolsJar();
        if (toolsJar != null) {
            antClasspath.add(toolsJar);
        }

        antLoader = classLoaderFactory.createIsolatedClassLoader("isolated-ant-loader", DefaultClassPath.of(antClasspath));

            return javaBase.getParentFile();
        } else {
            return javaBase;
        }
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public File getToolsJar() {
        if (toolsJar != null) {
            return toolsJar.orNull();
        } else {
            toolsJar = findToolsJar(javaHome);
        }

        return toolsJar.orNull();
    }