Ticket #28616: 28616.2.patch

src/wp-admin/includes/class-wp-filesystem-ftpext.php

@@ -180 +180 @@
 
                 fseek( $temp, 0 ); // Skip back to the start of the file being written to
 
-                $ret = @ftp_fput( $this->link, $file, $temp, FTP_BINARY );
+                $tries = 1;
+                $total_tries = 3;
+                while (($ret = ftp_fput($this->link, $file, $temp, $type)) != 1 && $tries <= $total_tries)
+                {
+                        if($tries < $total_tries)
+                        {
+                                error_log("Error Uploading File. Tried $tries of $total_tries. Reconnecting...");
+                                sleep(1);
+                                $this->connect();
+                        }
+                        else
+                                error_log("Error Uploading File. Tried $tries of $total_tries.");
+                        
+                        $tries++;
+                }
 
                 fclose($temp);
                 unlink($tempfile);