src/java.base/share/classes/sun/nio/ch/DatagramChannelImpl.java

*** 1063,1073 ****
          synchronized (stateLock) {
              if (state != ST_KILLED)
                  nd.preClose(fd);
              ResourceManager.afterUdpClose();
  
!             // if member of mulitcast group then invalidate all keys
              if (registry != null)
                  registry.invalidateAll();
  
              long th;
              if ((th = readerThread) != 0)
--- 1063,1073 ----
          synchronized (stateLock) {
              if (state != ST_KILLED)
                  nd.preClose(fd);
              ResourceManager.afterUdpClose();
  
!             // if member of multicast group then invalidate all keys
              if (registry != null)
                  registry.invalidateAll();
  
              long th;
              if ((th = readerThread) != 0)