http errors in callout

Hi developers,

I am getting 302, 401 & 404 status code errors from authentication to google api. what i am missing please help me

public class GoogleCalendar
{
public void detail()
{
Http h = new Http();
HttpRequest req = new HttpRequest();
final string username = 'sreenath.sfdc@gmail.com';
final string password = 'Password';
//final string apikey='AIzaSyDaQK60dlM-7icVukY0sbaOHae9eLn3dKk';
Blob headerValue = Blob.valueOf(username + ':' + password);
String authorizationHeader = 'BASIC ' +EncodingUtil.base64Encode(headerValue);
// auth url is https://www.googleapis.com/auth/calendar
req.setHeader('Authorization',authorizationHeader);
req.setHeader('Connection','keep-alive');
req.setHeader('Host','googleapis.com');
req.setHeader('Content-Type', 'application/Json');
req.setMethod('GET');
req.setbody('https://www.googleapis.com/auth/calendar?key=AIzaSyDaQK60dlM-7icVukY0sbaOHae9eLn3dKk');
//req.setbody(apikey);
req.setEndpoint('https://www.googleapis.com/calendar/v3/calendars/calendarId');
//req.setEndpoint('https://www.googleapis.com/calendar/v3/calendars/sreenath.sfdc@gmail.com/events/tea%20time?pp=1&key=AIzaSyDaQK60dlM-7icVukY0sbaOHae9eLn3dKk');
HttpResponse res = h.send(req);
system.debug('********'+res.getbody());
}

}

April 28, 2012
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sreenath
please find my log for issues, help me out

24.0 APEX_CODE,FINEST;APEX_PROFILING,INFO;CALLOUT,INFO;DB,INFO;SYSTEM,DEBUG;VALIDATION,INFO;VISUALFORCE,INFO;WORKFLOW,INFO 04:59:21.027 (27353000)|EXECUTION_STARTED 04:59:21.027 (27392000)|CODE_UNIT_STARTED|[EXTERNAL]|066900000013lY8|VF: /apex/Googlecalendar 04:59:21.028 (28125000)|VF_DESERIALIZE_VIEWSTATE_BEGIN|066900000013lY8 04:59:21.031 (31911000)|VF_DESERIALIZE_VIEWSTATE_END 04:59:21.034 (34135000)|CODE_UNIT_STARTED|[EXTERNAL]|01p900000014BMk|GoogleCalendar invoke(detail) 04:59:21.034 (34567000)|METHOD_ENTRY|[1]|01p900000014BMk|GoogleCalendar.GoogleCalendar() 04:59:21.034 (34576000)|STATEMENT_EXECUTE|[1] 04:59:21.034 (34694000)|HEAP_ALLOCATE|[EXTERNAL]|Bytes:5 04:59:21.034 (34705000)|STATEMENT_EXECUTE|[1] 04:59:21.034 (34720000)|METHOD_EXIT|[1]|GoogleCalendar 04:59:21.034 (34733000)|HEAP_ALLOCATE|[EXTERNAL]|Bytes:4 04:59:21.034 (34743000)|VARIABLE_SCOPE_BEGIN|[3]|this|GoogleCalendar|true|false 04:59:21.034 (34767000)|VARIABLE_ASSIGNMENT|[3]|this|{}|0x1783c570 04:59:21.034 (34782000)|HEAP_ALLOCATE|[5]|Bytes:5 04:59:21.034 (34787000)|STATEMENT_EXECUTE|[4] 04:59:21.034 (34791000)|STATEMENT_EXECUTE|[5] 04:59:21.034 (34832000)|VARIABLE_SCOPE_BEGIN|[5]|h|System.Http|true|false 04:59:21.034 (34964000)|VARIABLE_ASSIGNMENT|[5]|h|"System.Http[]"|0xbd89c68 04:59:21.034 (34973000)|STATEMENT_EXECUTE|[6] 04:59:21.034 (34995000)|VARIABLE_SCOPE_BEGIN|[6]|req|System.HttpRequest|true|false 04:59:21.035 (35075000)|VARIABLE_ASSIGNMENT|[6]|req|"System.HttpRequest[Endpoint=null, Method=null]"|0x3a0475eb 04:59:21.035 (35085000)|STATEMENT_EXECUTE|[7] 04:59:21.035 (35093000)|HEAP_ALLOCATE|[7]|Bytes:23 04:59:21.035 (35103000)|VARIABLE_SCOPE_BEGIN|[7]|username|String|false|false 04:59:21.035 (35115000)|VARIABLE_ASSIGNMENT|[7]|username|"sreenath.sfdc@gmail. (3 more) ..." 04:59:21.035 (35120000)|STATEMENT_EXECUTE|[8] 04:59:21.035 (35126000)|HEAP_ALLOCATE|[8]|Bytes:12 04:59:21.035 (35131000)|VARIABLE_SCOPE_BEGIN|[8]|password|String|false|false 04:59:21.035 (35138000)|VARIABLE_ASSIGNMENT|[8]|password|"Password" 04:59:21.035 (35142000)|STATEMENT_EXECUTE|[10] 04:59:21.035 (35147000)|HEAP_ALLOCATE|[10]|Bytes:1 04:59:21.035 (35167000)|HEAP_ALLOCATE|[10]|Bytes:24 04:59:21.035 (35175000)|HEAP_ALLOCATE|[10]|Bytes:36 04:59:21.035 (35191000)|SYSTEM_METHOD_ENTRY|[10]|Blob.valueOf(String) 04:59:21.035 (35228000)|HEAP_ALLOCATE|[10]|Bytes:36 04:59:21.035 (35236000)|HEAP_ALLOCATE|[10]|Bytes:36 04:59:21.035 (35243000)|SYSTEM_METHOD_EXIT|[10]|Blob.valueOf(String) 04:59:21.035 (35252000)|VARIABLE_SCOPE_BEGIN|[10]|headerValue|Blob|false|false 04:59:21.035 (35264000)|VARIABLE_ASSIGNMENT|[10]|headerValue|BLOB(36 bytes) 04:59:21.035 (35269000)|STATEMENT_EXECUTE|[11] 04:59:21.035 (35276000)|HEAP_ALLOCATE|[11]|Bytes:6 04:59:21.035 (35345000)|SYSTEM_METHOD_ENTRY|[11]|system.EncodingUtil.base64Encode(Blob) 04:59:21.035 (35438000)|SYSTEM_METHOD_EXIT|[11]|system.EncodingUtil.base64Encode(Blob) 04:59:21.035 (35450000)|HEAP_ALLOCATE|[11]|Bytes:54 04:59:21.035 (35457000)|VARIABLE_SCOPE_BEGIN|[11]|authorizationHeader|String|false|false 04:59:21.035 (35467000)|VARIABLE_ASSIGNMENT|[11]|authorizationHeader|"BASIC c3JlZW5hdGguc2 (34 more) ..." 04:59:21.035 (35472000)|STATEMENT_EXECUTE|[13] 04:59:21.035 (35479000)|HEAP_ALLOCATE|[13]|Bytes:13 04:59:21.035 (35507000)|SYSTEM_METHOD_ENTRY|[13]|System.HttpRequest.setHeader(String, String) 04:59:21.035 (35539000)|SYSTEM_METHOD_EXIT|[13]|System.HttpRequest.setHeader(String, String) 04:59:21.035 (35548000)|STATEMENT_EXECUTE|[14] 04:59:21.035 (35554000)|HEAP_ALLOCATE|[14]|Bytes:10 04:59:21.035 (35559000)|HEAP_ALLOCATE|[14]|Bytes:10 04:59:21.035 (35573000)|SYSTEM_METHOD_ENTRY|[14]|System.HttpRequest.setHeader(String, String) 04:59:21.035 (35595000)|SYSTEM_METHOD_EXIT|[14]|System.HttpRequest.setHeader(String, String) 04:59:21.035 (35601000)|STATEMENT_EXECUTE|[15] 04:59:21.035 (35607000)|HEAP_ALLOCATE|[15]|Bytes:9 04:59:21.035 (35615000)|HEAP_ALLOCATE|[15]|Bytes:72 04:59:21.035 (35628000)|SYSTEM_METHOD_ENTRY|[15]|System.HttpRequest.setHeader(String, String) 04:59:21.035 (35649000)|SYSTEM_METHOD_EXIT|[15]|System.HttpRequest.setHeader(String, String) 04:59:21.035 (35655000)|STATEMENT_EXECUTE|[16] 04:59:21.035 (35661000)|HEAP_ALLOCATE|[16]|Bytes:13 04:59:21.035 (35666000)|HEAP_ALLOCATE|[16]|Bytes:24 04:59:21.035 (35678000)|SYSTEM_METHOD_ENTRY|[16]|System.HttpRequest.setHeader(String, String) 04:59:21.035 (35699000)|SYSTEM_METHOD_EXIT|[16]|System.HttpRequest.setHeader(String, String) 04:59:21.035 (35705000)|STATEMENT_EXECUTE|[17] 04:59:21.035 (35711000)|HEAP_ALLOCATE|[17]|Bytes:4 04:59:21.035 (35718000)|HEAP_ALLOCATE|[17]|Bytes:14 04:59:21.035 (35734000)|SYSTEM_METHOD_ENTRY|[17]|System.HttpRequest.setHeader(String, String) 04:59:21.035 (35756000)|SYSTEM_METHOD_EXIT|[17]|System.HttpRequest.setHeader(String, String) 04:59:21.035 (35762000)|STATEMENT_EXECUTE|[18] 04:59:21.035 (35769000)|HEAP_ALLOCATE|[18]|Bytes:12 04:59:21.035 (35774000)|HEAP_ALLOCATE|[18]|Bytes:16 04:59:21.035 (35786000)|SYSTEM_METHOD_ENTRY|[18]|System.HttpRequest.setHeader(String, String) 04:59:21.035 (35807000)|SYSTEM_METHOD_EXIT|[18]|System.HttpRequest.setHeader(String, String) 04:59:21.035 (35812000)|STATEMENT_EXECUTE|[19] 04:59:21.035 (35818000)|HEAP_ALLOCATE|[19]|Bytes:3 04:59:21.035 (35831000)|SYSTEM_METHOD_ENTRY|[19]|System.HttpRequest.setMethod(String) 04:59:21.035 (35851000)|SYSTEM_METHOD_EXIT|[19]|System.HttpRequest.setMethod(String) 04:59:21.035 (35857000)|STATEMENT_EXECUTE|[20] 04:59:21.035 (35863000)|HEAP_ALLOCATE|[20]|Bytes:84 04:59:21.035 (35875000)|SYSTEM_METHOD_ENTRY|[20]|System.HttpRequest.setBody(String) 04:59:21.035 (35904000)|SYSTEM_METHOD_EXIT|[20]|System.HttpRequest.setBody(String) 04:59:21.035 (35910000)|STATEMENT_EXECUTE|[22] 04:59:21.035 (35916000)|HEAP_ALLOCATE|[22]|Bytes:125 04:59:21.035 (35929000)|SYSTEM_METHOD_ENTRY|[22]|System.HttpRequest.setEndpoint(String) 04:59:21.035 (35951000)|SYSTEM_METHOD_EXIT|[22]|System.HttpRequest.setEndpoint(String) 04:59:21.035 (35956000)|STATEMENT_EXECUTE|[24] 04:59:21.035 (35983000)|SYSTEM_METHOD_ENTRY|[24]|System.Http.send(APEX_OBJECT) 04:59:21.036 (36057000)|CALLOUT_REQUEST|[24]|System.HttpRequest[Endpoint=https://www.googleapis.com/calendar/v3/calendars/sreenath.sfdc%40gmail.com?pp=1&key={AIzaSyDaQK60dlM-7icVukY0sbaOHae9eLn3dKk}, Method=GET] 04:59:21.447 (447039000)|HEAP_ALLOCATE|[EXTERNAL]|Bytes:444 04:59:21.447 (447137000)|CALLOUT_RESPONSE|[24]|System.HttpResponse[Status=Found, StatusCode=302] 04:59:21.447 (447171000)|HEAP_ALLOCATE|[24]|Bytes:444 04:59:21.447 (447190000)|SYSTEM_METHOD_EXIT|[24]|System.Http.send(APEX_OBJECT) 04:59:21.447 (447212000)|VARIABLE_SCOPE_BEGIN|[24]|res|System.HttpResponse|true|false 04:59:21.447 (447364000)|VARIABLE_ASSIGNMENT|[24]|res|"System.HttpResponse[Status=Found, StatusCode=302]"|0x238a89f7 04:59:21.447 (447376000)|STATEMENT_EXECUTE|[25] 04:59:21.447 (447391000)|HEAP_ALLOCATE|[25]|Bytes:8 04:59:21.447 (447422000)|SYSTEM_METHOD_ENTRY|[25]|System.HttpResponse.getBody() 04:59:21.447 (447502000)|HEAP_ALLOCATE|[25]|Bytes:218 04:59:21.447 (447511000)|SYSTEM_METHOD_EXIT|[25]|System.HttpResponse.getBody() 04:59:21.447 (447533000)|HEAP_ALLOCATE|[25]|Bytes:226 04:59:21.447 (447554000)|SYSTEM_METHOD_ENTRY|[25]|System.debug(ANY) 04:59:21.447 (447567000)|USER_DEBUG|[25]|DEBUG|********
302 Moved
The document has moved here.

April 28, 2012
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adi.sfdcpro
Hi Sreenath,

Check the url, It seems that the url that you are using is incorrect or changed.

Adi.

April 30, 2012
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sreenath
Hi adi,

You are correct but i am using the URL's which are providing in google api's. If you know this url's please post here.

Thanks
sreenath

May 1, 2012
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Jia Hu
I also got Status=Found, StatusCode=302.

In the API Access of Google apis, I cannot see any API request.
I guess the problem is how to login by http request.

I search the document of new version V3, but cannot find any example of how to login
google calendar with username/password/api key by Http request.

Anyone can help with this?

June 8, 2012
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super contributor
I am getting the same problem with another site..

Any pointers ??

August 27, 2012
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Cheney Liu
me too.

August 3, 2017
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