src/java.base/share/classes/jdk/internal/module/ModuleHashesBuilder.java

*** 28,38 ****
  import java.io.PrintStream;
  import java.lang.module.Configuration;
  import java.lang.module.ResolvedModule;
  import java.net.URI;
  import java.nio.file.Path;
- import java.nio.file.Paths;
  import java.util.ArrayDeque;
  import java.util.Collections;
  import java.util.Deque;
  import java.util.HashMap;
  import java.util.HashSet;
--- 28,37 ----
*** 127,137 ****
      private Path moduleToPath(String name) {
          ResolvedModule rm = configuration.findModule(name).orElseThrow(
              () -> new InternalError("Selected module " + name + " not on module path"));
  
          URI uri = rm.reference().location().get();
!         Path path = Paths.get(uri);
          String fn = path.getFileName().toString();
          if (!fn.endsWith(".jar") && !fn.endsWith(".jmod")) {
              throw new UnsupportedOperationException(path + " is not a modular JAR or jmod file");
          }
          return path;
--- 126,136 ----
      private Path moduleToPath(String name) {
          ResolvedModule rm = configuration.findModule(name).orElseThrow(
              () -> new InternalError("Selected module " + name + " not on module path"));
  
          URI uri = rm.reference().location().get();
!         Path path = Path.get(uri);
          String fn = path.getFileName().toString();
          if (!fn.endsWith(".jar") && !fn.endsWith(".jmod")) {
              throw new UnsupportedOperationException(path + " is not a modular JAR or jmod file");
          }
          return path;