Apache HttpComponents HttpClient

Scala 2.7.6
Apache HttpComponents HttpClient 4.0 http://hc.apache.org/
Apache HttpComponents HttpCore 4.0.1
Apache Commons Logging 1.1.1 http://commons.apache.org/logging/
Apache Commons Codec 1.4 http://commons.apache.org/codec/
Apache Mime4j 0.6 http://james.apache.org/mime4j/
jcip-annotations http://www.jcip.net/

README.txtにはないが、jcip-annotationsが必要

error: error while loading DefaultHttpClient, class file 'C:\...\httpcomponents-client-4.0\lib\httpclient-4.0.jar(org/apache/http/impl/client/DefaultHttpClient.class)' is broken
(class net.jcip.annotations.ThreadSafe not found.)
error: error while loading AbstractHttpClient, class file 'C:\...\httpcomponents-client-4.0\lib\httpclient-4.0.jar(org/apache/http/impl/client/AbstractHttpClient.class)' is broken
(class net.jcip.annotations.ThreadSafe not found.)
C:\...\ApacheHttpClient.scala:5: error: org.apache.http.impl.client.DefaultHttpClient does not have a constructor
    val client = new DefaultHttpClient
three errors found