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java.lang.IllegalArgumentException: host parameter is null	at org.apache.commons.httpclient.HttpConnection.(	at org.apache.commons.httpclient.HttpConnection.(	at org.apache.commons.httpclient.SimpleHttpConnectionManager.getConnection(	at org.apache.commons.httpclient.HttpClient.executeMethod(	at org.apache.commons.httpclient.HttpClient.executeMethod(	at com.splwg.base.messaging.impl.RealtimeHTTPSender.attemptToSend(	at com.splwg.base.messaging.impl.RealtimeHTTPSender.executeMethod(	at com.splwg.base.messaging.impl.RealtimeHTTPSender.sendUsingGet(	at com.splwg.base.messaging.impl.RealtimeHTTPSender.send(	at com.splwg.base.domain.integration.RealtimeOutboundMessage_Impl.send(	at com.splwg.base.domain.integration.RealtimeOutboundMessage_Impl.create(