"System.CalloutException: You have uncommitted work pending" thrown if user is inserted before tests.startTest() and callout happens in future context

Last updated 2016-12-08 ·Reference W-2839839 ·Reported By 1 users

Fixed - Spring '16 Patch 2.0

With a callout happening in future context, if you invoke the callout inside test.startTest() & test.stopTest(). AND, there is a user record inserted before test.startTest(), the callout fails with:

System.CalloutException: You have uncommitted work pending. Please commit or rollback before calling out

An Apex class containing a callout within a future method (can be actual callout definition in the future method, OR, callout defined in separate method being invoked from within the future method )

public class CalloutService{

@future (callout=true)
public static void doCallout()
HttpRequest req = new HttpRequest();
req.setEndpoint(<Your Endpoint>);
Http http = new Http();
HTTPResponse res = http.send(req);

Test Class as follows:

public class CalloutTest{

/**********MOCK INTERFACE************/
public class CalloutServiceMock implements HttpCalloutMock {
HttpRequest originalRequest;
HttpRequest getRequest() {
return originalRequest;
public HTTPResponse respond(HTTPRequest req) {
HTTPResponse response = new Httpresponse();
return response;


static testMethod void myMethod() {
user u = new User(alias = 'dummyusr', email='example@example.com', emailencodingkey='UTF-8', lastname='Testing', languagelocalekey='en_US',
localesidkey='en_US', profileid = UserInfo.getProfileId(),
timezonesidkey='America/Los_Angeles', username='dummycallout@testorg.com');
insert u;

Test.setMock(HttpCalloutMock.class, new CalloutServiceMock());



Run Test for the test class created above. Fails with:

System.CalloutException: You have uncommitted work pending. Please commit or rollback before calling out

Instead of inserting the user record, use SOQL to query existing user

Reported By (1)

Is it Fixed?

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