Getting trace back error mail when trying to download the CSV file of a system group which consists of 900+ systems

Issue

• Getting trace back error mail when trying to download the CSV file of a system group which consists of 900+ systems

The following exception occurred while executing this request:
GET /rhn/CSVDownloadAction.do

Exception:
java.lang.IllegalStateException: Cannot forward after response has been committed
    at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:313)
    at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:301)
    at org.apache.struts.action.RequestProcessor.doForward(RequestProcessor.java:1085)
    at org.apache.struts.action.RequestProcessor.processForwardConfig(RequestProcessor.java:398)
    at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:241)
    at com.redhat.rhn.frontend.struts.RhnRequestProcessor.process(RhnRequestProcessor.java:99)
    at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1196)
    at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:414)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:690)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)