src/jdk.jpackage/share/classes/jdk/jpackage/internal/Arguments.java

*** 459,469 ****
              // display error for arguments that are not supported
              // for current configuration.
  
              validateArguments();
  
!             addResources(deployParams, input);
  
              List<Map<String, ? super Object>> launchersAsMap =
                      new ArrayList<>();
  
              for (AddLauncherArguments sl : addLaunchers) {
--- 459,469 ----
              // display error for arguments that are not supported
              // for current configuration.
  
              validateArguments();
  
!             addResources(deployParams, input, mainJarPath);
  
              List<Map<String, ? super Object>> launchersAsMap =
                      new ArrayList<>();
  
              for (AddLauncherArguments sl : addLaunchers) {
*** 645,655 ****
              }
          }
      }
  
      private void addResources(DeployParams deployParams,
!             String inputdir) throws PackagerException {
  
          if (inputdir == null || inputdir.isEmpty()) {
              return;
          }
  
--- 645,655 ----
              }
          }
      }
  
      private void addResources(DeployParams deployParams,
!             String inputdir, String mainJar) throws PackagerException {
  
          if (inputdir == null || inputdir.isEmpty()) {
              return;
          }
  
*** 670,680 ****
          } catch (IOException e) {
              Log.error("Unable to add resources: " + e.getMessage());
          }
          fileNames.forEach(file -> deployParams.addResource(baseDir, file));
  
!         deployParams.setClasspath();
      }
  
      static CLIOptions toCLIOption(String arg) {
          CLIOptions option;
          if ((option = argIds.get(arg)) == null) {
--- 670,680 ----
          } catch (IOException e) {
              Log.error("Unable to add resources: " + e.getMessage());
          }
          fileNames.forEach(file -> deployParams.addResource(baseDir, file));
  
!         deployParams.setClasspath(mainJar);
      }
  
      static CLIOptions toCLIOption(String arg) {
          CLIOptions option;
          if ((option = argIds.get(arg)) == null) {