我在WEB项目中ireport不能正常使用

错误信息,那位高手为我解决一下,谢谢!!
type   Exception   report

message  

description   The   server   encountered   an   internal   error   ()   that   prevented   it   from   fulfilling   this   request.

exception  

javax.servlet.ServletException:   Error   initializing   graphic   environment.
org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:825)
org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:758)
org.apache.jsp.jsp.reportm.sitefund_jsp._jspService(sitefund_jsp.java:138)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:94)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:324)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:292)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:75)
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:77)


root   cause  

net.sf.jasperreports.engine.JRException:   Error   initializing   graphic   environment.
net.sf.jasperreports.engine.util.JRGraphEnvInitializer.initializeGraphEnv(JRGraphEnvInitializer.java:62)
net.sf.jasperreports.engine.fill.JRBaseFiller. <init> (JRBaseFiller.java:311)
net.sf.jasperreports.engine.fill.JRVerticalFiller. <init> (JRVerticalFiller.java:92)
net.sf.jasperreports.engine.fill.JRVerticalFiller. <init> (JRVerticalFiller.java:74)
net.sf.jasperreports.engine.fill.JRFiller.createFiller(JRFiller.java:147)
net.sf.jasperreports.engine.fill.JRFiller.fillReport(JRFiller.java:57)
net.sf.jasperreports.engine.JasperFillManager.fillReport(JasperFillManager.java:402)
org.apache.jsp.jsp.reportm.sitefund_jsp._jspService(sitefund_jsp.java:84)
org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:94)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:324)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:292)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:75)
org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:77)


note   The   full   stack   trace   of   the   root   cause   is   available   in   the   Apache   Tomcat/5.0.28   logs.