RestAssured: Post Request return 500 Server Error

Question

I practicing web services using RestAssured. In the post request, it return 500 server error where i using postman to send the request and there is no error. Can anyone help me debug the error? Please give some opinion. Any help is appreciate? Thanks in advance.

@BeforeSuite
    public void setup() {
        RestAssured.reset();
        ProxySpecification ps = new ProxySpecification("localhost", 8080, "http");
        RestAssured.proxy(ps);

        RestAssured.baseURI = "https://jsonplaceholder.typicode.com/";
        RestAssured.port = 443;
    }

@Test(groups="createUser")
    public void createUser() {
        given()
            .param("userId", 1234)
            .param("id", 82342)
            .param("title", "Senior Software Engineer")
            .param("body", "Scrum Org").
        when()
            .request("POST", "/posts").
        then()
            .statusCode(200);

    }

Error Message is Expected status code <200> but was <500>.

Stacktrace:

at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) at java.lang.reflect.Constructor.newInstance(Unknown Source) at org.codehaus.groovy.reflection.CachedConstructor.invoke(CachedConstructor.java:83) at org.codehaus.groovy.reflection.CachedConstructor.doConstructorInvoke(CachedConstructor.java:77) at org.codehaus.groovy.runtime.callsite.ConstructorSite$ConstructorSiteNoUnwrap.callConstructor(ConstructorSite.java:84) at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCallConstructor(CallSiteArray.java:59) at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callConstructor(AbstractCallSite.java:238) at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callConstructor(AbstractCallSite.java:250) at io.restassured.internal.ResponseSpecificationImpl$HamcrestAssertionClosure.validate(ResponseSpecificationIm pl.groovy:483) at io.restassured.internal.ResponseSpecificationImpl$HamcrestAssertionClosure$validate$1.call(Unknown Source) at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:47) at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:116) at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:128) at io.restassured.internal.ResponseSpecificationImpl.validateResponseIfRequired(ResponseSpecificationImpl.groovy:655) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.codehaus.groovy.runtime.callsite.PogoMetaMethodSite$PogoCachedMethodSiteNoUnwrapNoCoerce.invoke(PogoMetaMethodSite.java:210) at org.codehaus.groovy.runtime.callsite.PogoMetaMethodSite.callCurrent(PogoMetaMethodSite.java:59) at org.codehaus .groovy.runtime.callsite.CallSiteArray.defaultCallCurrent(CallSiteArray.java:51) at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callCurrent(AbstractCallSite.java:157) at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callCurrent(AbstractCallSite.java:169) at io.restassured.internal.ResponseSpecificationImpl.statusCode(ResponseSpecificationImpl.groovy:123) at io.restassured.specification.ResponseSpecification$statusCode$0.callCurrent(Unknown Source) at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCallCurrent(CallSiteArray.java:51) at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callCurrent(AbstractCallSite.java:157) at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callCurrent(AbstractCallSite.java:169) at io.restassured.internal.ResponseSpecificationImpl.statusCode(ResponseSpecificationImpl.groovy:131) at io.restassured.internal.ValidatableResponseOptionsImpl.statusCode(ValidatableResponseOptionsImpl.java:119) at com.peterwkc.services.Main. createUser(Main.java:75)

Answer 1

You have to send JSON body instead of parameters. Then your request will look like this:

given()
    .contentType(ContentType.JSON)
    .body("{"
        + "\"userId\": 1234,"
        + "\"id\": 823823,"
        + "\"title\": \"Title\","
        + "\"body\": \"Scrum\""
        + "}"
    )
    .when()
    .request("POST", "/posts").
    then()
    .statusCode(201);

There is official wiki page with a lot of useful examples here: https://github.com/rest-assured/rest-assured/wiki