java.lang.IllegalArgumentException: host parameter is null

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host parameter is null
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java.lang.IllegalArgumentException: host parameter is null
at org.apache.commons.httpclient.HttpConnection.(HttpConnection.java:206)
at org.apache.commons.httpclient.HttpConnection.(HttpConnection.java:155)
at org.apache.commons.httpclient.SimpleHttpConnectionManager.getConnectionWithTimeout(SimpleHttpConnectionManager.java:175)
at org.apache.commons.httpclient.HttpMethodDirector.executeMethod(HttpMethodDirector.java:153)
at org.apache.commons.httpclient.HttpClient.executeMethod(HttpClient.java:397)
at com.hyperion.reporting.registry.FRSystem.getObjectFromURL(Unknown Source)
at com.hyperion.reporting.registry.FRSystem.lookupHsServer(Unknown Source)
at com.hyperion.reporting.javacom.HsServer.getServer(Unknown Source)
at com.hyperion.reporting.javacom.HsHelper.getServer(Unknown Source)

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