OutOfMemoryError: Java heap space

java.lang.OutOfMemoryError: Java heap space
    at org.apache.jasper.runtime.BodyContentImpl.reAllocBuff(BodyContentImpl.java:644)
    at org.apache.jasper.runtime.BodyContentImpl.write(BodyContentImpl.java:183)
    at org.apache.jasper.runtime.BodyContentImpl.write(BodyContentImpl.java:198)
    at org.apache.jsp.kr.WEB_002dINF.jsp.KualiLookup_jsp$KualiLookup_jspHelper.invoke0(KualiLookup_jsp.java:4046)
    at org.apache.jsp.kr.WEB_002dINF.jsp.KualiLookup_jsp$KualiLookup_jspHelper.invoke(KualiLookup_jsp.java:4310)
    at org.apache.jsp.tag.web.kr.page_tag.doTag(page_tag.java:813)
    at org.apache.jsp.kr.WEB_002dINF.jsp.KualiLookup_jsp._jspService(KualiLookup_jsp.java:243)
    at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:111)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:848)
    at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:403)
    at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:492)
    at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:378)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:848)
    at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:669)
    at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:455)
    at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:137)
    at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:578)
    at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:231)
    at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1072)
    at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:382)
    at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:193)
    at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1006)
    at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:135)
    at org.eclipse.jetty.server.Dispatcher.forward(Dispatcher.java:276)
    at org.eclipse.jetty.server.Dispatcher.forward(Dispatcher.java:103)
    at org.apache.struts.action.RequestProcessor.doForward(RequestProcessor.java:1083)
    at org.apache.struts.action.RequestProcessor.processForwardConfig(RequestProcessor.java:396)
    at org.kuali.rice.kns.web.struts.action.KualiRequestProcessor.processFormActionAndForward(KualiRequestProcessor.java:227)
    at org.kuali.rice.kns.web.struts.action.KualiRequestProcessor.strutsProcess(KualiRequestProcessor.java:206)
    at org.kuali.rice.kns.web.struts.action.KualiRequestProcessor.process(KualiRequestProcessor.java:95)
    at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1913)
    at org.kuali.rice.kns.web.struts.action.KualiActionServlet.process(KualiActionServlet.java:198)