Make sense. Thank you.

On Fri, Feb 1, 2019 at 10:09 AM Mark Payne <[email protected]> wrote:

> No, if you wanted to evaluate the literal string you'd need to use
> ${literal("REST_URL")}
> When you use ${REST_URL:endsWith("...")} you are testing whether or not
> the value of the REST_URL
> variable ends with ...
> Think of it the same as just using the expression ${REST_URL} -- you
> expect that to return the value of the REST_URL
> variable, not the string literal "REST_URL". In your case, you're then
> just chaining together more EL calls.
>
> Thanks
> -Mark
>
>
> On Feb 1, 2019, at 9:30 AM, l vic <[email protected]> wrote:
>
>  "resolve the value of the REST_URL variable, then use that as the name of
> a variable."
> Doesn't seem to make much sense: the plan is to run "endsWith" on value of
> REST_URL, doesn't your expression set to tun it on literal string
> "REST_URL" within {...} ?
> Thank you,
>
> On Fri, Feb 1, 2019 at 8:58 AM Mark Payne <[email protected]> wrote:
>
>> Hello,
>>
>> The issue appears to be that you're using `${${REST_URL}:endsWith`
>> at the beginning, which is saying "resolve the value of the REST_URL
>> variable, then use that as the name of a variable."
>> So it's looking for a variable named "http://localhost:8080/nifi-api";
>> and never finds it. So endsWith() evaluates to `false`
>> in all cases.
>>
>> What you want is instead:
>>
>> *${REST_URL:endsWith('/'):ifElse('${REST_URL}resources','${REST_URL}/resources')}*
>>
>> I.e., check if the value of the REST_URL variable ends with a slash...
>>
>> Thanks
>> -Mark
>>
>>
>> On Jan 31, 2019, at 4:42 PM, l vic <[email protected]> wrote:
>>
>> I am using processor group variable as base part of my URL:
>> REST_URL=http://localhost:8080/nifi-api
>>
>> I am trying to append second part of URL in InvokeHTTP regardless if
>> REST_URL ends with '/', or not so that concatenation of "
>> http://localhost:8080/nifi-api/";, or "http://localhost:8080/nifi-api";
>> with "resources" return the same URL: "
>> http://localhost:8080/nifi-api/resources":
>>
>> *${${REST_URL}:endsWith('/'):ifElse('${REST_URL}resources','${REST_URL}/resources')}*
>>
>> But the expression always appends '/', so in the first case I end up with *
>> "http://localhost:8080/nifi-api//resources
>> <http://localhost:8080/nifi-api//resources>"*... Any idea where the
>> error is?
>> Thank you,
>>
>>
>>
>

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