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org.apache.jasper.JasperException解决办法

www.MyException.Cn  网友分享于:2013-12-29  浏览:123次
org.apache.jasper.JasperException
exception  

org.apache.jasper.JasperException
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:372)
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)


root   cause  

java.lang.NullPointerException
java.io.Writer. <init> (Writer.java:70)
java.io.OutputStreamWriter. <init> (OutputStreamWriter.java:91)
com.ideas.bean.DealFile.writeCHStr(DealFile.java:230)
com.ideas.bean.DealFile.writeCHStr(DealFile.java:221)
com.ideas.bean.artBean.add(artBean.java:59)
org.apache.jsp.manage.art.list_jsp._jspService(list_jsp.java:166)
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)


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

到底出现了什么错误??

------解决方案--------------------
list_jsp有空引用

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