ClientProtocolException occurs on Put operation with zero content

[Jeff M]

Hi,

I am using REST assured to test against a vendor's REST interface.  There is a particular operation that requires submitting some custom headers via a PUT operation with a zero content length body.  When I attempt to do this, no message is transmitted and I encounter an org.apache.http.client.ClientProtocolException,  I believe that I narrowed it down to the presence of the Content-Type=*/* header which I think is being injected automatically by REST assured.  I came to this conclusion by coding the REST call directly using Apache HTTP client and the call acted as expected. Additionally, I used WireShark to verify that the HttpClient code was not transmitting Content-Type, and that it was transmitting Content-Length: 0.  Is there a way to prohibit the Content-Type header from being submitted?  Below I included the REST assured code that threw the exception, the HttpClient code that was successful, and lastly the stack trace.

Thanks,

Jeff

REST assured code
        response = RestAssured.
                with().
                    log().all().
                    header("customHeader1", "SomeValue1").
                    header("customHeader2", "SomeValue2").
                    header("Content-Length", "0").
                expect().
                    log().all().
                    statusCode(201).
                when().
                    put(url);
Apache Http Client code
        AbstractHttpClient httpClient = new DefaultHttpClient();
        HttpPut httpPut = new HttpPut(url);
        httpPut.addHeader("customHeader1", "SomeValue1");
        httpPut.addHeader("customHeader2", "SomeValue2");
       
        HttpResponse httpResponse = null;
        httpResponse = httpClient.execute(httpPut);

        int statusCode = httpResponse.getStatusLine().getStatusCode();
        assertThat(statusCode, equalTo(HttpStatus.SC_CREATED));

Stack Trace
org.apache.http.client.ClientProtocolException
    at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:909)
    at org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:805)
    at org.apache.http.client.HttpClient$execute.call(Unknown Source)
    at com.jayway.restassured.internal.RequestSpecificationImpl$RestAssuredHttpBuilder.doRequest(RequestSpecificationImpl.groovy:1350)
    at com.jayway.restassured.internal.http.HTTPBuilder.doRequest(HTTPBuilder.java:489)
    at com.jayway.restassured.internal.http.HTTPBuilder.request(HTTPBuilder.java:438)
    at com.jayway.restassured.internal.http.HTTPBuilder$request.call(Unknown Source)
    at com.jayway.restassured.internal.RequestSpecificationImpl.sendHttpRequest(RequestSpecificationImpl.groovy:926)
    at com.jayway.restassured.internal.RequestSpecificationImpl.this$2$sendHttpRequest(RequestSpecificationImpl.groovy)
    at com.jayway.restassured.internal.RequestSpecificationImpl$this$2$sendHttpRequest.callCurrent(Unknown Source)
    at com.jayway.restassured.internal.RequestSpecificationImpl.sendRequest(RequestSpecificationImpl.groovy:793)
    at com.jayway.restassured.internal.RequestSpecificationImpl.this$2$sendRequest(RequestSpecificationImpl.groovy)
    at com.jayway.restassured.internal.RequestSpecificationImpl$this$2$sendRequest.call(Unknown Source)
    at com.jayway.restassured.internal.filter.RootFilter.filter(RootFilter.groovy:28)
    at com.jayway.restassured.filter.Filter$filter.call(Unknown Source)
    at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:45)
    at com.jayway.restassured.filter.Filter$filter$0.call(Unknown Source)
    at com.jayway.restassured.internal.filter.FilterContextImpl.next(FilterContextImpl.groovy:47)
    at com.jayway.restassured.filter.log.StatusCodeBasedLoggingFilter.filter(StatusCodeBasedLoggingFilter.java:95)
    at com.jayway.restassured.filter.log.ResponseLoggingFilter.filter(ResponseLoggingFilter.java:31)
    at com.jayway.restassured.filter.Filter$filter$0.call(Unknown Source)
    at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:45)
    at com.jayway.restassured.filter.Filter$filter$0.call(Unknown Source)
    at com.jayway.restassured.internal.filter.FilterContextImpl.next(FilterContextImpl.groovy:47)
    at com.jayway.restassured.filter.log.RequestLoggingFilter.filter(RequestLoggingFilter.java:134)
    at com.jayway.restassured.filter.Filter$filter$0.call(Unknown Source)
    at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:45)
    at com.jayway.restassured.filter.Filter$filter.call(Unknown Source)
    at com.jayway.restassured.internal.filter.FilterContextImpl.next(FilterContextImpl.groovy:47)
    at com.jayway.restassured.filter.FilterContext$next.call(Unknown Source)
    at com.jayway.restassured.internal.RequestSpecificationImpl.invokeFilterChain(RequestSpecificationImpl.groovy:731)
    at com.jayway.restassured.internal.RequestSpecificationImpl$invokeFilterChain.callCurrent(Unknown Source)
    at com.jayway.restassured.internal.RequestSpecificationImpl.applyPathParamsAndSendRequest(RequestSpecificationImpl.groovy:1115)
    at com.jayway.restassured.internal.RequestSpecificationImpl.this$2$applyPathParamsAndSendRequest(RequestSpecificationImpl.groovy)
    at com.jayway.restassured.internal.RequestSpecificationImpl$this$2$applyPathParamsAndSendRequest.callCurrent(Unknown Source)
    at com.jayway.restassured.internal.RequestSpecificationImpl.put(RequestSpecificationImpl.groovy:137)
    at com.jayway.restassured.specification.RequestSender$put.call(Unknown Source)
    at com.jayway.restassured.internal.ResponseSpecificationImpl.put(ResponseSpecificationImpl.groovy:232)
   

[Johan Haleby]

Hi, 

Thanks for your detailed explanation. You're right that REST Assured adds Content-Type=*/* if no content type is specified. If "*/*" is the problem can't use set a content type header yourself (given().contentType(..)...)? In that case REST Assured won't override it. Or are you saying that you don't want to include a content-type header at all?

Regards,

/Johan

   

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[Jeff M]

Hi Johan,

I am hoping to not include the content-type header at all.  Would it be possible to add another value to the ContentType enumeration, for example ContentType.Exclude, that would then signal your code to not put any entry for content-type in the headers?

Regards,

Jeff

[Johan Haleby]

I don't think that's possible right now :( Please add it as an issue to the issue tracker and I'll see what I can do. 

Regards,

/Johan

[jmer...@innoventsolutions.com]

Hi Johan,

I will add it to the issue tracker, and I will note it as low priority
since I can workaround this by using HttpClient. It might be a useful
feature for others, so maybe you can prioritize it accordingly.

Regards,

Jeff

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[Johan Haleby]

Thanks

On Tue, Apr 16, 2013 at 7:35 AM, <jmer...@innoventsolutions.com> wrote:

Hi Johan,

I will add it to the issue tracker, and I will note it as low priority since I can workaround this by using HttpClient.  It might be a useful feature for others, so maybe you can prioritize it accordingly.

Regards,

Jeff

On 2013-04-15 22:06, Johan Haleby wrote:

I don't think that's possible right now :( Please add it as an issue
to the issue tracker and I'll see what I can do. 

Regards,
/Johan

On Mon, Apr 15, 2013 at 5:10 PM, Jeff M <jmericle@innoventsolutions.com> wrote:

Hi Johan,

I am hoping to not include the content-type header at all.  Would it be possible to add another value to the ContentType enumeration, for example ContentType.Exclude, that would then signal your code to not put any entry for content-type in the headers?

Regards,

Jeff

On Sunday, April 14, 2013 2:16:12 AM UTC-7, Johan Haleby wrote:

Hi, 

Thanks for your detailed explanation. You're right that REST Assured adds Content-Type=*/* if no content type is specified. If "*/*" is the problem can't use set a content type header yourself (given().contentType(..)...)? In that case REST Assured won't override it. Or are you saying that you don't want to include a content-type header at all?

Regards,
/Johan

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