response code : Java Glossary

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response code

Everyone is familiar with error 404 not found. The codes are arranged in bands:

HTTP Response Codes
Code	HttpURLConnection Constant	Meaning
200	HTTP_OK	OK
201	HTTP_CREATED	Created
202	HTTP_ACCEPTED	Accepted
203	HTTP_NOT_AUTHORITATIVE	Non-Authoritative Information
204	HTTP_NO_CONTENT	No Content
205	HTTP_RESET	Reset Content
206	HTTP_PARTIAL	Partial Content
300	HTTP_MULT_CHOICE	Multiple Choices
301	HTTP_MOVED_PERM	Moved Permanently
302	HTTP_MOVED_TEMP	Temporary Redirect
303	HTTP_SEE_OTHER	See Other
304	HTTP_NOT_MODIFIED	Not Modified since last time you requested the page, presuming you still have the previous copy.
305	HTTP_USE_PROXY	Use Proxy
400	HTTP_BAD_REQUEST	Bad Request
401	HTTP_UNAUTHORIZED	Unauthorized
402	HTTP_PAYMENT_REQUIRED	Payment Required
403	HTTP_FORBIDDEN	Forbidden
404	HTTP_NOT_FOUND	Not Found
405	HTTP_BAD_METHOD	Method Not Allowed
406	HTTP_NOT_ACCEPTABLE	Not Acceptable
407	HTTP_PROXY_AUTH	Proxy Authentication Required
408	HTTP_CLIENT_TIMEOUT	Request Time-Out
409	HTTP_CONFLICT	Conflict
410	HTTP_GONE	Gone
411	HTTP_LENGTH_REQUIRED	Length Required
412	HTTP_PRECON_FAILED	Precondition Failed
413	HTTP_ENTITY_TOO_LARGE	Request Entity Too Large
414	HTTP_REQ_TOO_LONG	Request-URI Too Large
415	HTTP_UNSUPPORTED_TYPE	Unsupported Media Type
500	HTTP_SERVER_ERROR	Internal Server Error
500	HTTP_INTERNAL_ERROR	Internal Server Error
501	HTTP_NOT_IMPLEMENTED	Not Implemented
502	HTTP_BAD_GATEWAY	Bad Gateway
503	HTTP_UNAVAILABLE	Service Unavailable
504	HTTP_GATEWAY_TIMEOUT	Gateway Timeout
505	HTTP_VERSION	HTTP Version Not Supported

There are other HTTP errors in the series documented as part of HttpURLConnection and HttpServletResponse.

Sun’s Javadoc on the getResponseMessage method : available:

on the web at java.sun.com
in the current JDK 1.6.0_11 or in the old JDK 1.5.0_17 on your local Windows J: drive.

Sun’s Javadoc on the HTTP response codes class : available:

on the web at java.sun.com
in the current JDK 1.6.0_11 or in the old JDK 1.5.0_17 on your local Windows J: drive.

Server HTTP response codes : available:

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