src/java.base/share/classes/jdk/internal/jrtfs/AbstractJrtFileSystem.java

*** 100,110 ****
          if (options != null) {
              for (LinkOption lo : options) {
                  if (lo == LinkOption.NOFOLLOW_LINKS) {
                      return false;
                  } else if (lo == null) {
!                     throw new NullPointerException();
                  } else {
                      throw new AssertionError("should not reach here");
                  }
              }
          }
--- 100,110 ----
          if (options != null) {
              for (LinkOption lo : options) {
                  if (lo == LinkOption.NOFOLLOW_LINKS) {
                      return false;
                  } else if (lo == null) {
!                     throw new NullPointerException("LinkOption");
                  } else {
                      throw new AssertionError("should not reach here");
                  }
              }
          }
*** 114,127 ****
      // check that the options passed are supported by (read-only) jrt file system
      static void checkOptions(Set<? extends OpenOption> options) {
          // check for options of null type and option is an intance of StandardOpenOption
          for (OpenOption option : options) {
              if (option == null) {
!                 throw new NullPointerException();
              }
              if (!(option instanceof StandardOpenOption)) {
!                 throw new IllegalArgumentException();
              }
          }
  
          if (options.contains(StandardOpenOption.WRITE)
                  || options.contains(StandardOpenOption.APPEND)) {
--- 114,128 ----
      // check that the options passed are supported by (read-only) jrt file system
      static void checkOptions(Set<? extends OpenOption> options) {
          // check for options of null type and option is an intance of StandardOpenOption
          for (OpenOption option : options) {
              if (option == null) {
!                 throw new NullPointerException("OpenOption");
              }
              if (!(option instanceof StandardOpenOption)) {
!                 throw new IllegalArgumentException(
!                    "option class : " + option.getClass().getName());
              }
          }
  
          if (options.contains(StandardOpenOption.WRITE)
                  || options.contains(StandardOpenOption.APPEND)) {
*** 209,219 ****
  
      @Override
      public PathMatcher getPathMatcher(String syntaxAndInput) {
          int pos = syntaxAndInput.indexOf(':');
          if (pos <= 0 || pos == syntaxAndInput.length()) {
!             throw new IllegalArgumentException();
          }
          String syntax = syntaxAndInput.substring(0, pos);
          String input = syntaxAndInput.substring(pos + 1);
          String expr;
          if (syntax.equalsIgnoreCase(GLOB_SYNTAX)) {
--- 210,220 ----
  
      @Override
      public PathMatcher getPathMatcher(String syntaxAndInput) {
          int pos = syntaxAndInput.indexOf(':');
          if (pos <= 0 || pos == syntaxAndInput.length()) {
!             throw new IllegalArgumentException("pos is " + pos);
          }
          String syntax = syntaxAndInput.substring(0, pos);
          String input = syntaxAndInput.substring(pos + 1);
          String expr;
          if (syntax.equalsIgnoreCase(GLOB_SYNTAX)) {