Add following to blueprint.xml, so that request maps correctly. <jaxrs:extensionMappings> <entry key= "pdf/" value= "application/pdf" /> <!-- Fabric http gateway adds trailing "/" even on extension mappings --> </jaxrs:extensionMappings>

Unzip the reproducer_01811246.zip. Build the project using mvn clean install In Linux environment within /home/<username> folder put a pdf file. Rename this pdf file to output.pdf. Create a profile with below Karaf commands profile-create --parents feature-cxf gatewayExternsionTest profile-edit --bundle mvn:org.jboss.quickstarts.fuse/cxf- rest /6.3.0.redhat-187 gatewayExternsionTest container-create-child root gatewaycontainer container-create-child root appcontainer container-add-profile gatewaycontainer gateway-http Now browse below we get HTTP/1.1 404 Not Found . curl -v http: //localhost:9000/cxf/CxfRsRouterTest/ rest /.pdf In gateway-http logs we see 2017-03-27 14:45:47,695 | INFO | entloop-thread-0 | HttpGatewayHandler | 139 - io.fabric8.gateway-core - 1.2.0.redhat-630187 | Proxying request /cxf/CxfRsRouterTest/ rest /.pdf to service path: /cxf/CxfRsRouterTest/ rest /.pdf/ on service: http: //dhcp193-4.pnq.redhat.com:8183/cxf/CxfRsRouterTest/ rest reverseServiceUrl: http://0.0.0.0:9000/cxf/CxfRsRouterTest/ rest Note Proxying request /cxf/CxfRsRouterTest/rest/.pdf to service path: /cxf/CxfRsRouterTest/rest/.pdf/. However if in blueprint.xml, we add following within jaxrs:extenstionMappings tag, than curl above request we get correct output. <entry key= "pdf/" value= "application/pdf" />