Index: awt/src/main/java/common/java/awt/datatransfer/DataFlavor.java =================================================================== --- awt/src/main/java/common/java/awt/datatransfer/DataFlavor.java (revision 480015) +++ awt/src/main/java/common/java/awt/datatransfer/DataFlavor.java (working copy) @@ -357,7 +357,8 @@ clone.humanPresentableName = humanPresentableName; clone.representationClass = representationClass; - clone.mimeInfo = (MimeTypeProcessor.MimeType) mimeInfo.clone(); + clone.mimeInfo = (mimeInfo != null) ? (MimeTypeProcessor.MimeType) + mimeInfo.clone() : null; return clone; }