I checked my local maven repo and have this class in org/apache/httpcomponents/httpcore/4.1.2/httpcore-4.1.2.jar
Try adding this dependency to your maven pom or reference the jar directly on your classpath. Hope this helps. Torsten Mielke tors...@fusesource.com tmie...@blogspot.com On May 4, 2012, at 7:47 PM, Chris Robison wrote: > I'm trying to get a java client connecting an AMQ server over HTTP, but the > client keeps throwing the following exception: > > Exception in thread "main" java.lang.NoClassDefFoundError: > org/apache/http/message/AbstractHttpMessage > at > org.apache.activemq.transport.http.HttpTransportFactory.createTransport(HttpTransportFactory.java:72) > at > org.apache.activemq.transport.TransportFactory.doConnect(TransportFactory.java:141) > at > org.apache.activemq.transport.TransportFactory.doConnect(TransportFactory.java:51) > at > org.apache.activemq.transport.TransportFactory.connect(TransportFactory.java:80) > at > org.apache.activemq.ActiveMQConnectionFactory.createTransport(ActiveMQConnectionFactory.java:252) > at > org.apache.activemq.ActiveMQConnectionFactory.createActiveMQConnection(ActiveMQConnectionFactory.java:267) > at > org.apache.activemq.ActiveMQConnectionFactory.createActiveMQConnection(ActiveMQConnectionFactory.java:239) > at > org.apache.activemq.ActiveMQConnectionFactory.createConnection(ActiveMQConnectionFactory.java:185) > at ResponderProgram.run(ResponderProgram.java:34) > at ResponderProgram.main(ResponderProgram.java:58) > Caused by: java.lang.ClassNotFoundException: > org.apache.http.message.AbstractHttpMessage > at java.net.URLClassLoader$1.run(Unknown Source) > at java.net.URLClassLoader$1.run(Unknown Source) > at java.security.AccessController.doPrivileged(Native Method) > at java.net.URLClassLoader.findClass(Unknown Source) > at java.lang.ClassLoader.loadClass(Unknown Source) > at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source) > at java.lang.ClassLoader.loadClass(Unknown Source) > ... 10 more > > I'm referencing every jar library I can. Any thoughts? > > Chris
