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D Vel Error on the Apex Callout to the Rest API
I trying to test the Apex Call outs which uses the OAuth Authentication. I am not sure what I am missing here it throws error on the line HttpResponse res1 = http1.send(req1); like
Line: 22, Column: 1
System.UnexpectedException: java.lang.IllegalArgumentException: invalid start or end
Line: 22, Column: 1
System.UnexpectedException: java.lang.IllegalArgumentException: invalid start or end
public class TestD365API {
public final String clientId = 'xxxxxxxxxxxxx';
public final String clientSecret = 'xxxxxxxx';
public String getD365Customer(){
String reqbody = 'grant_type=client_credentials&client_id='+clientId+'&client_secret='+clientSecret;
Http h = new Http();
HttpRequest req = new HttpRequest();
req.setBody(reqbody);
req.setMethod('POST');
req.setEndpoint('https://login.microsoftonline.com/tenant/oauth2/token');
HttpResponse res = h.send(req);
deserializeResponse resp1 = (deserializeResponse)JSON.deserialize(res.getbody(),deserializeResponse.class);
String atoken = resp1.access_token;
Http http1 = new Http();
HttpRequest req1 = new HttpRequest();
req1.setEndpoint('https://dev-xyz/data/Customers');
req1.setMethod('GET');
req1.setHeader('Authorization','Bearer '+atoken);
HttpResponse res1 = http1.send(req1);
System.debug('Response Body=========' + res1.getBody());
return res1.getBody();
}
public class deserializeResponse
{
public String token_type;
public String expires_in;
public String ext_expires_in;
public String expires_on;
public String not_before;
public String resource;
public String access_token;
}
}
Please help me fixing this issue.
IllegalArgumentException is thrown when an illegal argument was provided to a method call. For example, a method that requires a non-null argument throws this exception if a null value is passed into the method.
Please check all the headers/parameters for you API calls and their values being passed.
Thanks,
Suraj