spring integration http outbound adapter not resolving properties -


we using http outbound adapter make http request , want read url properties file changes envt envt. append other path url using message payload giving error message "caused by: java.lang.illegalargumentexception: map has no value url". need read base url properties file , generate final url payload.

here our sample config looks like

    <int-http:outbound-gateway request-channel="requestchannel"                            url="${url}/{payload}"                            http-method="get"                            expected-response-type="java.lang.string"                            >  </int-http:outbound-gateway>

actually {payload} in url uri variable , can't resolved automatically. see how works:

uricomponentsbuilder.fromuristring(uri).buildandexpand(urivariables)

where urivariables map uri variables.

so, in case expected configuration must this:

<int-http:outbound-gateway request-channel="requestchannel"                        url="${url}/{payload}"                        http-method="get"                        expected-response-type="java.lang.string">        <int-http:uri-variable name="payload" expression="payload"/> </int-http:outbound-gateway>

more information can find in reference manual.


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