}
	sha256sum := ""
	// Iterating over creatPartCases to generate multipart chunks.
	for _, testCase := range createPartCases {
		_, err := obj.PutObjectPart(context.Background(), testCase.bucketName, testCase.objName, testCase.uploadID, testCase.PartID, mustGetPutObjReader(t, bytes.NewBufferString(testCase.inputReaderData), testCase.inputDataSize, testCase.inputMd5, sha256sum), opts)
		if err != nil {

		s.writeErrorResponse(w, errInvalidArgument)
		return
	}

	u, err := url.Parse(r.Form.Get(peerRESTURL))
	if err != nil {
		s.writeErrorResponse(w, err)
		return
	}

	sha256Sum, err := hex.DecodeString(r.Form.Get(peerRESTSha256Sum))
	if err != nil {
		s.writeErrorResponse(w, err)
		return
	}
	releaseInfo := r.Form.Get(peerRESTReleaseInfo)