javax.activation.UnsupportedDataTypeException: no object DCH for MIME type

在Oracle11.2.0.4中调用javax.mail发送邮件时可能会遇到以下错误：ORA-29532:JavacallterminatedbyuncaughtJavaexception:javax.mail.MessagingException:IOExceptionwhilesendingmessage;nestedexceptionis:javax.activation.UnsupportedDataTypeException:noobjectDCHforMIMEtypemultipart/mixed;boundary="----=_Part_0_1760344884.1407