src/share/classes/sun/awt/datatransfer/ClipboardTransferable.java

*** 151,161 ****
              throw new UnsupportedFlavorException(flavor);
          }
          Object ret = flavorsToData.get(flavor);
          if (ret instanceof IOException) {
              // rethrow IOExceptions generated while fetching data
!             throw (IOException)ret;
          } else if (ret instanceof DataFactory) {
              // Now we can render the data
              DataFactory factory = (DataFactory)ret;
              ret = factory.getTransferData(flavor);
          }
--- 151,161 ----
              throw new UnsupportedFlavorException(flavor);
          }
          Object ret = flavorsToData.get(flavor);
          if (ret instanceof IOException) {
              // rethrow IOExceptions generated while fetching data
!             throw new IOException("Exception fetching data: ", (IOException)ret);
          } else if (ret instanceof DataFactory) {
              // Now we can render the data
              DataFactory factory = (DataFactory)ret;
              ret = factory.getTransferData(flavor);
          }