http.get and http.post do not work

		var JSONObject = {"latitude": "" + lat, "longitude": "" + lng};

		console.log("Posting: " + JSON.stringify(JSONObject));
		let headerOptions: any = { 'Content-Type': 'application/json' };
		let headers = new Headers(headerOptions);

		this.http.get("http://192.168.1.2:8080/location/new1/")
		.map((response: Response) => {
    		console.log('Response is: ' + response);
		})
		.catch((this.handleErrorObservable));

		this.http.post("http://192.168.1.2:8080/location/new/", JSON.stringify(JSONObject), new RequestOptions({ headers: headers }))
		.map((response: Response) => {
    		console.log('Response is: ' + response);
		})
		.catch((this.handleErrorObservable));