920                 if (modularJarPath != null && Files.exists(modularJarPath)) {
 921                     return new RelativeFileSet(appResourcesRoot, new LinkedHashSet<>(Collections.singletonList(modularJarPath.toFile())));
 922                 }
 923             }
 924         }
 925 
 926         throw new IllegalArgumentException(
 927                 new ConfigException(
 928                         MessageFormat.format(I18N.getString("error.main-jar-does-not-exist"), moduleName),
 929                         I18N.getString("error.main-jar-does-not-exist.advice")));
 930     }
 931 
 932     public static List<Path> getDefaultModulePath() {
 933         List<Path> result = new ArrayList();
 934         Path jdkModulePath = Paths.get(System.getProperty("java.home"), "jmods").toAbsolutePath();
 935 
 936         if (jdkModulePath != null && Files.exists(jdkModulePath)) {
 937             result.add(jdkModulePath);
 938         }
 939         else {
 940             jdkModulePath = Paths.get(System.getProperty("java.home"), "../images/jmods").toAbsolutePath();






 941 
 942             if (jdkModulePath != null && Files.exists(jdkModulePath)) {
 943                 result.add(jdkModulePath);
 944             }
 945         }

 946 
 947         return result;
 948     }
 949 }

 920                 if (modularJarPath != null && Files.exists(modularJarPath)) {
 921                     return new RelativeFileSet(appResourcesRoot, new LinkedHashSet<>(Collections.singletonList(modularJarPath.toFile())));
 922                 }
 923             }
 924         }
 925 
 926         throw new IllegalArgumentException(
 927                 new ConfigException(
 928                         MessageFormat.format(I18N.getString("error.main-jar-does-not-exist"), moduleName),
 929                         I18N.getString("error.main-jar-does-not-exist.advice")));
 930     }
 931 
 932     public static List<Path> getDefaultModulePath() {
 933         List<Path> result = new ArrayList();
 934         Path jdkModulePath = Paths.get(System.getProperty("java.home"), "jmods").toAbsolutePath();
 935 
 936         if (jdkModulePath != null && Files.exists(jdkModulePath)) {
 937             result.add(jdkModulePath);
 938         }
 939         else {
 940             // On a developer build the JDK Home isn't where we expect it
 941             // relative to the jmods directory. Do some extra
 942             // processing to find it.
 943             Map<String, String> env = System.getenv();
 944 
 945             if (env.containsKey("JDK_HOME")) {
 946                 jdkModulePath = Paths.get(env.get("JDK_HOME"), ".." + File.separator + "images" + File.separator + "jmods").toAbsolutePath();
 947 
 948                 if (jdkModulePath != null && Files.exists(jdkModulePath)) {
 949                     result.add(jdkModulePath);
 950                 }
 951             }
 952         }
 953 
 954         return result;
 955     }
 956 }