src/java.base/share/classes/java/net/SocketTimeoutException.java

*** 30,39 ****
--- 30,40 ----
   *
   * @since   1.4
   */
  
  public class SocketTimeoutException extends java.io.InterruptedIOException {
+     @java.io.Serial
      private static final long serialVersionUID = -8846654841826352300L;
  
      /**
       * Constructs a new SocketTimeoutException with a detail
       * message.