src/jdk.incubator.jpackage/share/classes/jdk/incubator/jpackage/internal/ModFile.java

*** 21,31 ****
   * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
   * or visit www.oracle.com if you need additional information or have any
   * questions.
   */
  
! package jdk.jpackage.internal;
  
  import java.io.File;
  import java.io.FileInputStream;
  import java.io.FileNotFoundException;
  import java.io.IOException;
--- 21,31 ----
   * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
   * or visit www.oracle.com if you need additional information or have any
   * questions.
   */
  
! package jdk.incubator.jpackage.internal;
  
  import java.io.File;
  import java.io.FileInputStream;
  import java.io.FileNotFoundException;
  import java.io.IOException;
*** 95,123 ****
      }
  
      private static JarType isModularJar(String FileName) {
          JarType result = JarType.All;
  
!         try {
!             ZipInputStream zip =
!                     new ZipInputStream(new FileInputStream(FileName));
              result = JarType.UnnamedJar;
  
-             try {
                  for (ZipEntry entry = zip.getNextEntry(); entry != null;
                          entry = zip.getNextEntry()) {
                      if (entry.getName().matches("module-info.class")) {
                          result = JarType.ModularJar;
                          break;
                      }
                  }
- 
-                 zip.close();
              } catch (IOException ex) {
              }
-         } catch (FileNotFoundException e) {
-         }
  
          return result;
      }
  
      private static String getFileWithoutExtension(String FileName) {
--- 95,117 ----
      }
  
      private static JarType isModularJar(String FileName) {
          JarType result = JarType.All;
  
!         try (ZipInputStream zip =
!                     new ZipInputStream(new FileInputStream(FileName))) {
              result = JarType.UnnamedJar;
  
              for (ZipEntry entry = zip.getNextEntry(); entry != null;
                      entry = zip.getNextEntry()) {
                  if (entry.getName().matches("module-info.class")) {
                      result = JarType.ModularJar;
                      break;
                  }
              }
          } catch (IOException ex) {
          }
  
          return result;
      }
  
      private static String getFileWithoutExtension(String FileName) {