I also have problems to install camel-hdfs: Christian-Muellers-MacBook-Pro:bin cmueller$ ./karaf clean
karaf@root> features:addurl mvn:org.apache.camel.karaf/apache-camel/2.9.0/xml/features karaf@root> features:install camel-hdfs Error executing command: Could not start bundle mvn:org.apache.servicemix.specs/org.apache.servicemix.specs.jaxws-api-2.2/1.9.0 in feature(s) camel-hdfs-2.9.0, cxf-specs-2.5.1, camel-soap-2.9.0: Unresolved constraint in bundle org.apache.servicemix.specs.jaxws-api-2.2 [88]: Unable to resolve 88.0: missing requirement [88.0] package; (&(package=javax.xml.bind)(version>=2.2.0))