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https://issues.apache.org/jira/browse/CAMEL-11028?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15928620#comment-15928620
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Claus Ibsen commented on CAMEL-11028:
-------------------------------------
Ah yeah the 2nd does an append.
We could add those standard headers from the top at the end, and maybe only put
if not already exists an header with that key.
You are welcome to work on a github PR
http://camel.apache.org/contributing
> camel-spark-rest - Adds duplicate content-type
> ----------------------------------------------
>
> Key: CAMEL-11028
> URL: https://issues.apache.org/jira/browse/CAMEL-11028
> Project: Camel
> Issue Type: Bug
> Components: rest
> Affects Versions: 2.18.3
> Reporter: Adam Dougal
> Assignee: Andrea Cosentino
> Fix For: 2.18.4, 2.19.0
>
>
> This is essentially the same as
> https://issues.apache.org/jira/browse/CAMEL-9613 . When I send a request
> containing a 'content-type' header it will get sent with duplicate values.
> E.g. Content-Type: \[application/json, application/json\].
> My RouteBuilder is very simple at the moment:
> {code}
> restConfiguration().component("spark-rest").port(8585);
> rest("/").post("/charges").to("direct:charges");
> from("direct:charges").to("http://localhost:8080/charges?bridgeEndpoint=true&throwExceptionOnFailure=false";);
> {code}
> Having looked at the code I can see it being added in two places:
> https://github.com/apache/camel/blob/master/components/camel-spark-rest/src/main/java/org/apache/camel/component/sparkrest/DefaultSparkBinding.java#L73
> https://github.com/apache/camel/blob/master/components/camel-spark-rest/src/main/java/org/apache/camel/component/sparkrest/DefaultSparkBinding.java#L109
> Is this intended behaviour? If so, how would I disable it? Thanks
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