Try adding the following method to the XmlRpcSun15HttpTransport and let me know, whether that works.
Jochen protected void initHttpHeaders(XmlRpcRequest pRequest) throws XmlRpcClientException { final XmlRpcHttpClientConfig config = (XmlRpcHttpClientConfig) pRequest.getConfig(); int connectionTimeout = config.getConnectionTimeout(); if (connectionTimeout > 0) { getURLConnection().setConnectTimeout(connectionTimeout); } int replyTimeout = config.getReplyTimeout(); if (replyTimeout > 0) { getURLConnection().setReadTimeout(replyTimeout); } super.initHttpHeaders(pRequest); } -- Germanys national anthem is the most boring in the world - how telling!