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Stephan Siano updated CAMEL-11662: ---------------------------------- Description: The camel-ahc component does not support multi-value HTTP headers properly. If the camel message contains a header with a list value the list is converted into a String before setting it to a header, which is not the proper format for a multi-value http header. Example: If the camel header named "to" has a value of type List<String>, which contains the elements "foo" and "bar" the generated HTTP header named "to" will have the value "[foo, bar]" According to RFC 7230 section 3.2.2 this is the wrong format. There should be a single line generated from it, but the list should simply be comma separated ("foo, bar" without the square brackets). was: The camel-ahc component does not support multi-value HTTP headers properly. If the camel message contains a header with a list value the list is converted into a String before setting it to a header, which is not the proper format for a multi-value http header. Example: If the camel header named "to" has a value of type List<String>, which contains the elements "foo" and "bar" the generated HTTP header named "to" will have the value "[ foo, bar]" According to RFC 7230 section 3.2.2 this is the wrong format. There should be a single line generated from it, but the list should simply be comma separated ("foo,bar" without the square brackets). > camel-ahc does not support multi-value HTTP headers properly > ------------------------------------------------------------ > > Key: CAMEL-11662 > URL: https://issues.apache.org/jira/browse/CAMEL-11662 > Project: Camel > Issue Type: Bug > Components: camel-ahc > Affects Versions: 2.19.1 > Reporter: Stephan Siano > Assignee: Stephan Siano > Priority: Minor > Fix For: 2.20.0 > > > The camel-ahc component does not support multi-value HTTP headers properly. > If the camel message contains a header with a list value the list is > converted into a String before setting it to a header, which is not the > proper format for a multi-value http header. > Example: If the camel header named "to" has a value of type List<String>, > which contains the elements "foo" and "bar" the generated HTTP header named > "to" will have the value "[foo, bar]" > According to RFC 7230 section 3.2.2 this is the wrong format. There should be > a single line generated from it, but the list should simply be comma > separated ("foo, bar" without the square brackets). -- This message was sent by Atlassian JIRA (v6.4.14#64029)