java.lang.IllegalArgumentException: host parameter is null

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java.lang.IllegalArgumentException: host parameter is null
at org.apache.commons.httpclient.HttpConnection.(HttpConnection.java:220)
at org.apache.commons.httpclient.HttpConnection.(HttpConnection.java:190)
at org.apache.commons.httpclient.SimpleHttpConnectionManager.getConnection(SimpleHttpConnectionManager.java:102)
at org.apache.commons.httpclient.HttpClient.executeMethod(HttpClient.java:613)
at com.splwg.base.messaging.impl.RealtimeHTTPSender.attemptToSend(RealtimeHTTPSender.java:185)
at com.splwg.base.messaging.impl.RealtimeHTTPSender.executeMethod(RealtimeHTTPSender.java:153)
at com.splwg.base.messaging.impl.RealtimeHTTPSender.sendUsingGet(RealtimeHTTPSender.java:84)
at com.splwg.base.messaging.impl.RealtimeHTTPSender.send(RealtimeHTTPSender.java:59)
at com.splwg.base.domain.integration.RealtimeOutboundMessage_Impl.send(RealtimeOutboundMessage_Impl.java:380)
at com.splwg.base.domain.integration.RealtimeOutboundMessage_Impl.create(RealtimeOutboundMessage_Impl.java:218)

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