question Re: InvokeHTTP errors Name or Service not known in Support Questions

question Re: InvokeHTTP errors Name or Service not known in Support Questions https://community.cloudera.com/t5/Support-Questions/InvokeHTTP-errors-Name-or-Service-not-known/m-p/216722#M178631 <A rel="user" href="https://community.cloudera.com/users/89301/bharatsudharsanam.html" nodeid="89301" target="_blank">@Bharath Sudharsanam </A>TO get the value of attribute we need to use `${attribute_name}` in NiFiI am having zip attribute to the flow file,I tried with below as Remote URL in Invoke Http processor and able to get the response back <PRE><A href="https://api.census.gov/data/1994/zbp?get=ST&for=zipcode:${zip}" target="_blank" rel="nofollow noopener noreferrer">https://api.census.gov/data/1994/zbp?get=ST&for=zipcode:${zip}</A></PRE>Example:Flow:<img src="https://community.cloudera.com/t5/image/serverpage/image-id/16217i0E38D471BB241B30/image-size/medium?v=v2&px=400" role="button" title="85562-flow.png" alt="85562-flow.png" />Generateflowfile configs:<img src="https://community.cloudera.com/t5/image/serverpage/image-id/16218i8AFB0BD805AEE90D/image-size/medium?v=v2&px=400" role="button" title="85564-gff.png" alt="85564-gff.png" />Output:<PRE>[["ST","zipcode"], ["48","77058"]]</PRE>I'm not sure about this <A href="https://api.census.gov/data/1994/zbp?get=ST&for=zipcode:&{zip}&key=mykey." rel="nofollow noopener noreferrer" target="_blank">&key=mykey</A> parameters in your shared URL. If you are not using them just exclude them from the Remote URL and run again. Sun, 18 Aug 2019 03:06:57 GMT Shu_ashu 2019-08-18T03:06:57Z