ORA-29273 ORA-06512 ORA-29263 HTTP protocol error

 ORA-29273: HTTP request failed

ORA-06512: at "SYS.UTL_HTTP", line 1722

ORA-29263: HTTP protocol error

following run

select utl_http.request('http://192.168.100.85/hii1111111111111111111111111111111111111111111111111111111111111111111188888888888888888888888888888888888888888888888888888888888888888888888888999999999999999999999999999999999999999999999999999999999999999999999999999999998888888888888888888888888888888888888888888899999999999999999999999999999999999999999999999999999999999999999999999999999999888888888888888888888888888888888888888888889999999999999999999999999999999999999999999999999999999999999999999999999999999988888888888888888888888888888888888888888888999999999999999999999999999999999999999999999999999999999999999999999999999999998888888888888888888888888888888888888888888899999999999999999999999999999999999999999999999999999999999999999999999999999999888888888888888888888888888888888888888888889999999999999999999999999999999999999999999999999999999999999999999999999999999988888888888888888888888888888888888888888888999999999999999999999999999999999999999999999999999999999999999999999999999999998888888888888888888888888888888888888888888899999999999999999999999999999999999999999999999999999999999999999999999999999999iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii7777766666iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiuiuu') from dual;

following give error - ORA-29273 ORA-06512 ORA-29263 HTTP protocol error because of enter line character

select utl_http.request('http://192.168.100.85/hii111111111111111111111111111111111111111111111111111111111111111111118888888888888888888888888888888888888888888888888888888888888888888888888899999999999999999999999999999999999999999999999999999999999999999999999999999999888888888888888888888888888888888888888888889999999999999999999999999999999999999999999999999999999999999999999999999999999988888888888888888888888888888888888888888888999999999999999999999999999999999999999999999999999999999999999999999999999999998888888888888888888888888888888888888888888899999999999999999999999999999999999999999999999999999999999999999999999999999999888888888888888888888888888888888888888888889999999999999999999999999999999999999999999999999999999999999999999999999999999988888888888888888888888888888888888888888888999999999999999999999999999999999999999999999999999999999999999999999999999999998888888888888888888888888888888888888888888899999999999999999999999999999999999999999999999999999999999999999999999999999999888888888888888888888888888888888888888888889

9999999999999999999999999999999999999999999999999999999999999999999999999999999iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii7777766666iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiuiuu') from dual;