Hi All,
I am experimenting with ActiveMQ 5.0, & my clients are in Perl. While
tinkering around, I managed to get Java clients to communicate with the
broker using http.
It seems that JMS commands are serialized into xml using XStream & sent over
http. The broker deserializes them using XStream.
When I tried sending http messages from Perl (using LWP & simple xml as the
content of the messages), I got the following error on the broker:
ERROR log - /topic/fooHTTP
com.thoughtworks.xstream.alias.CannotResolveClassException: person : person
at
com.thoughtworks.xstream.mapper.DefaultMapper.realClass(DefaultMapper.java:35)
at
com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:18)
at
com.thoughtworks.xstream.mapper.XmlFriendlyMapper.realClass(XmlFriendlyMapper.java:44)
at
com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:18)
at
com.thoughtworks.xstream.mapper.ClassAliasingMapper.realClass(ClassAliasingMapper.java:49)
at
com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:18)
at
com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:18)
at
com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:18)
at
com.thoughtworks.xstream.mapper.DynamicProxyMapper.realClass(DynamicProxyMapper.java:46)
at
com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:18)
at
com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:18)
at
com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:18)
at
com.thoughtworks.xstream.mapper.ArrayMapper.realClass(ArrayMapper.java:52)
at
com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:18)
at
com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:18)
at
com.thoughtworks.xstream.mapper.MapperWrapper.realClass(MapperWrapper.java:18)
at
com.thoughtworks.xstream.mapper.CachingMapper.realClass(CachingMapper.java:28)
at
com.thoughtworks.xstream.core.TreeUnmarshaller.start(TreeUnmarshaller.java:95)
at
com.thoughtworks.xstream.core.ReferenceByXPathMarshallingStrategy.unmarshal(ReferenceByXPathMarshallingStrategy.java:12)
at com.thoughtworks.xstream.XStream.unmarshal(XStream.java:521)
at com.thoughtworks.xstream.XStream.unmarshal(XStream.java:509)
at com.thoughtworks.xstream.XStream.fromXML(XStream.java:475)
at
org.apache.activemq.transport.xstream.XStreamWireFormat.unmarshalText(XStreamWireFormat.java:55)
at
org.apache.activemq.transport.http.HttpTunnelServlet.doPost(HttpTunnelServlet.java:102)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
at
org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:487)
at
org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:367)
at
org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:181)
at
org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:712)
at
org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:139)
at org.mortbay.jetty.Server.handle(Server.java:295)
at
org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:503)
at
org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java:841)
at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:639)
at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:210)
at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:379)
at
org.mortbay.jetty.bio.SocketConnector$Connection.run(SocketConnector.java:226)
at
org.mortbay.thread.BoundedThreadPool$PoolThread.run(BoundedThreadPool.java:442)
How can I send http messages from Perl?
Thanks,
Ramit Arora
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