Warning while requiring 'net\http'

Anyone knows what’s wrong with my configuration?
Thanks

require ‘net\http’
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:281: warning: already
initialized
constant Revision
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:282: warning: already
initialized
constant HTTPVersion
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1121: warning: already
initialized
constant HTTPSession
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1599: warning: already
initialized
constant METHOD
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1600: warning: already
initialized
constant REQUEST_HAS_BODY
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1601: warning: already
initialized
constant RESPONSE_HAS_BODY
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1605: warning: already
initialized
constant METHOD
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1606: warning: already
initialized
constant REQUEST_HAS_BODY
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1607: warning: already
initialized
constant RESPONSE_HAS_BODY
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1611: warning: already
initialized
constant METHOD
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1612: warning: already
initialized
constant REQUEST_HAS_BODY
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1613: warning: already
initialized
constant RESPONSE_HAS_BODY
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1617: warning: already
initialized
constant METHOD
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1618: warning: already
initialized
constant REQUEST_HAS_BODY
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1619: warning: already
initialized
constant RESPONSE_HAS_BODY
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1623: warning: already
initialized
constant METHOD
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1624: warning: already
initialized
constant REQUEST_HAS_BODY
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1625: warning: already
initialized
constant RESPONSE_HAS_BODY
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1629: warning: already
initialized
constant METHOD
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1630: warning: already
initialized
constant REQUEST_HAS_BODY
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1631: warning: already
initialized
constant RESPONSE_HAS_BODY
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1635: warning: already
initialized
constant METHOD
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1636: warning: already
initialized
constant REQUEST_HAS_BODY
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1637: warning: already
initialized
constant RESPONSE_HAS_BODY
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1645: warning: already
initialized
constant METHOD
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1646: warning: already
initialized
constant REQUEST_HAS_BODY
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1647: warning: already
initialized
constant RESPONSE_HAS_BODY
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1651: warning: already
initialized
constant METHOD
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1652: warning: already
initialized
constant REQUEST_HAS_BODY
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1653: warning: already
initialized
constant RESPONSE_HAS_BODY
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1657: warning: already
initialized
constant METHOD
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1658: warning: already
initialized
constant REQUEST_HAS_BODY
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1659: warning: already
initialized
constant RESPONSE_HAS_BODY
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1663: warning: already
initialized
constant METHOD
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1664: warning: already
initialized
constant REQUEST_HAS_BODY
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1665: warning: already
initialized
constant RESPONSE_HAS_BODY
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1669: warning: already
initialized
constant METHOD
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1670: warning: already
initialized
constant REQUEST_HAS_BODY
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1671: warning: already
initialized
constant RESPONSE_HAS_BODY
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1675: warning: already
initialized
constant METHOD
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1676: warning: already
initialized
constant REQUEST_HAS_BODY
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1677: warning: already
initialized
constant RESPONSE_HAS_BODY
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1681: warning: already
initialized
constant METHOD
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1682: warning: already
initialized
constant REQUEST_HAS_BODY
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1683: warning: already
initialized
constant RESPONSE_HAS_BODY
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1793: warning: already
initialized
constant HAS_BODY
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1794: warning: already
initialized
constant EXCEPTION_TYPE
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1797: warning: already
initialized
constant HAS_BODY
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1798: warning: already
initialized
constant EXCEPTION_TYPE
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1801: warning: already
initialized
constant HAS_BODY
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1802: warning: already
initialized
constant EXCEPTION_TYPE
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1805: warning: already
initialized
constant HAS_BODY
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1806: warning: already
initialized
constant EXCEPTION_TYPE
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1809: warning: already
initialized
constant HAS_BODY
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1810: warning: already
initialized
constant EXCEPTION_TYPE
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1813: warning: already
initialized
constant HAS_BODY
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1814: warning: already
initialized
constant EXCEPTION_TYPE
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1818: warning: already
initialized
constant HAS_BODY
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1821: warning: already
initialized
constant HAS_BODY
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1825: warning: already
initialized
constant HAS_BODY
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1828: warning: already
initialized
constant HAS_BODY
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1831: warning: already
initialized
constant HAS_BODY
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1834: warning: already
initialized
constant HAS_BODY
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1837: warning: already
initialized
constant HAS_BODY
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1840: warning: already
initialized
constant HAS_BODY
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1843: warning: already
initialized
constant HAS_BODY
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1847: warning: already
initialized
constant HAS_BODY
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1850: warning: already
initialized
constant HAS_BODY
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1853: warning: already
initialized
constant HAS_BODY
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1855: warning: already
initialized
constant HTTPMovedTemporarily
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1857: warning: already
initialized
constant HAS_BODY
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1860: warning: already
initialized
constant HAS_BODY
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1863: warning: already
initialized
constant HAS_BODY
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1867: warning: already
initialized
constant HAS_BODY
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1871: warning: already
initialized
constant HAS_BODY
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1874: warning: already
initialized
constant HAS_BODY
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1877: warning: already
initialized
constant HAS_BODY
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1880: warning: already
initialized
constant HAS_BODY
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1883: warning: already
initialized
constant HAS_BODY
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1886: warning: already
initialized
constant HAS_BODY
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1889: warning: already
initialized
constant HAS_BODY
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1892: warning: already
initialized
constant HAS_BODY
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1895: warning: already
initialized
constant HAS_BODY
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1898: warning: already
initialized
constant HAS_BODY
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1901: warning: already
initialized
constant HAS_BODY
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1904: warning: already
initialized
constant HAS_BODY
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1907: warning: already
initialized
constant HAS_BODY
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1910: warning: already
initialized
constant HAS_BODY
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1913: warning: already
initialized
constant HAS_BODY
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1915: warning: already
initialized
constant HTTPRequestURITooLarge
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1917: warning: already
initialized
constant HAS_BODY
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1920: warning: already
initialized
constant HAS_BODY
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1923: warning: already
initialized
constant HAS_BODY
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1927: warning: already
initialized
constant HAS_BODY
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1930: warning: already
initialized
constant HAS_BODY
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1933: warning: already
initialized
constant HAS_BODY
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1936: warning: already
initialized
constant HAS_BODY
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1939: warning: already
initialized
constant HAS_BODY
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1942: warning: already
initialized
constant HAS_BODY
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:1955: warning: already
initialized
constant CODE_CLASS_TO_OBJ
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:2001: warning: already
initialized
constant CODE_TO_OBJ
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:2259: warning: already
initialized
constant ProxyMod
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:2262: warning: already
initialized
constant HTTPRequest
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:2265: warning: already
initialized
constant HTTPInformationCode
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:2266: warning: already
initialized
constant HTTPSuccessCode
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:2267: warning: already
initialized
constant HTTPRedirectionCode
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:2268: warning: already
initialized
constant HTTPRetriableCode
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:2269: warning: already
initialized
constant HTTPClientErrorCode
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:2270: warning: already
initialized
constant HTTPFatalErrorCode
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:2271: warning: already
initialized
constant HTTPServerErrorCode
C:/InstantRails/ruby/lib/ruby/1.8/net\http.rb:2272: warning: already
initialized
constant HTTPResponceReceiver
=> true