src/jdk.jdeps/share/classes/com/sun/tools/jdeps/DependencyFinder.java

*** 204,214 ****
                          archive.addClass(d.getOrigin());
                      }
                      parsedClasses.putIfAbsent(d.getOrigin(), archive);
                  }
              }
- 
              return targets;
          });
          tasks.add(task);
          pool.submit(task);
          return Optional.of(task);
--- 204,213 ----
*** 262,272 ****
          try {
              Set<Location> targets = new HashSet<>();
              FutureTask<Set<Location>> task;
              while ((task = tasks.poll()) != null) {
                  // wait for completion
-                 if (!task.isDone())
                      targets.addAll(task.get());
              }
              return targets;
          } catch (InterruptedException|ExecutionException e) {
              throw new Error(e);
--- 261,270 ----