请问,我在xp下配置了jdk1.4.2+tomcat5.0运行jsp没问题。但引用了jfreechart1.0.6后出错。
我把jfreechart1.0.6下lib文件夹中的全部jar文件考到了tomcat5.0\common\lib下,并在tomcat5.0\cnf\web.xml文件中添加了servlet引用。也在环境变量classpath中添加了%tomcat_home%common\lib。把要执行的jsp文件test.jsp保存在了tomcat5.0\webapps\root下,调用http://localhost:8080/test.jsp后出错。
我的test.jsp程序如下:
<%@ page contentType="text/html;charset=GBK"%>
<%@ page import="org.jfree.data.general.DefaultPieDataset"%>
<%@ page import="org.jfree.chart.JFreeChart"%>
<%@ page import="org.jfree.chart.plot.PiePlot"%>
<%@ page import="org.jfree.chart.ChartRenderingInfo"%>
<%@ page import="org.jfree.chart.servlet.ServletUtilities"%>
<%@ page import="org.jfree.chart.urls.StandardPieURLGenerator"%>
<%@ page import="org.jfree.chart.entity.StandardEntityCollection"%>
<%@ page import="org.jfree.chart.encoders.SunPNGEncoderAdapter"%>
<%
DefaultPieDataset data = new DefaultPieDataset();
data.setValue("六月", 500);
data.setValue("七月", 580);
data.setValue("八月", 828);
PiePlot plot = new PiePlot(data);
JFreeChart chart = new JFreeChart("", JFreeChart.DEFAULT_TITLE_FONT, plot, true);
chart.setBackgroundPaint(java.awt.Color.white); //可选,设置图片背景色
chart.setTitle("Welcome to Jfreechart !"); //可选,设置图片标题
ChartRenderingInfo info = new ChartRenderingInfo(new StandardEntityCollection());
//500是图片长度,300是图片高度
String filename = ServletUtilities.saveChartAsPNG(chart, 500, 300, info, session);
String graphURL = request.getContextPath() + "/servlet/DisplayChart?filename=" + filename;
%>
<HTML>
<HEAD>
<TITLE>Welcome to Jfreechart !</TITLE>
</HEAD>
<BODY>
<P ALIGN="CENTER">
<img src="<%= graphURL %>" width=500 height=300 border=0 usemap="#<%= filename %>">
</P>
</BODY>
</HTML>
我把jfreechart1.0.6下lib文件夹中的全部jar文件考到了tomcat5.0\common\lib下,并在tomcat5.0\cnf\web.xml文件中添加了servlet引用。也在环境变量classpath中添加了%tomcat_home%common\lib。把要执行的jsp文件test.jsp保存在了tomcat5.0\webapps\root下,调用http://localhost:8080/test.jsp后出错。
我的test.jsp程序如下:
<%@ page contentType="text/html;charset=GBK"%>
<%@ page import="org.jfree.data.general.DefaultPieDataset"%>
<%@ page import="org.jfree.chart.JFreeChart"%>
<%@ page import="org.jfree.chart.plot.PiePlot"%>
<%@ page import="org.jfree.chart.ChartRenderingInfo"%>
<%@ page import="org.jfree.chart.servlet.ServletUtilities"%>
<%@ page import="org.jfree.chart.urls.StandardPieURLGenerator"%>
<%@ page import="org.jfree.chart.entity.StandardEntityCollection"%>
<%@ page import="org.jfree.chart.encoders.SunPNGEncoderAdapter"%>
<%
DefaultPieDataset data = new DefaultPieDataset();
data.setValue("六月", 500);
data.setValue("七月", 580);
data.setValue("八月", 828);
PiePlot plot = new PiePlot(data);
JFreeChart chart = new JFreeChart("", JFreeChart.DEFAULT_TITLE_FONT, plot, true);
chart.setBackgroundPaint(java.awt.Color.white); //可选,设置图片背景色
chart.setTitle("Welcome to Jfreechart !"); //可选,设置图片标题
ChartRenderingInfo info = new ChartRenderingInfo(new StandardEntityCollection());
//500是图片长度,300是图片高度
String filename = ServletUtilities.saveChartAsPNG(chart, 500, 300, info, session);
String graphURL = request.getContextPath() + "/servlet/DisplayChart?filename=" + filename;
%>
<HTML>
<HEAD>
<TITLE>Welcome to Jfreechart !</TITLE>
</HEAD>
<BODY>
<P ALIGN="CENTER">
<img src="<%= graphURL %>" width=500 height=300 border=0 usemap="#<%= filename %>">
</P>
</BODY>
</HTML>
HTTP Status 500 - --------------------------------------------------------------------------------type Exception reportmessage description The server encountered an internal error () that prevented it from fulfilling this request.exception org.apache.jasper.JasperException: Unable to compile class for JSPAn error occurred at line: 10 in the jsp file: /test.jsp
Generated servlet error:
C:\Tomcat 5.0\work\Catalina\localhost\_\org\apache\jsp\test_jsp.java:61: illegal character: \12288
銆?銆?DefaultPieDataset data = new DefaultPieDataset();
^
An error occurred at line: 10 in the jsp file: /test.jsp
Generated servlet error:
C:\Tomcat 5.0\work\Catalina\localhost\_\org\apache\jsp\test_jsp.java:61: illegal character: \12288
銆?銆?DefaultPieDataset data = new DefaultPieDataset();
^
An error occurred at line: 10 in the jsp file: /test.jsp
Generated servlet error:
C:\Tomcat 5.0\work\Catalina\localhost\_\org\apache\jsp\test_jsp.java:62: illegal character: \12288
銆?銆?data.setValue("鍏湀", 500);
^
An error occurred at line: 10 in the jsp file: /test.jsp
Generated servlet error:
C:\Tomcat 5.0\work\Catalina\localhost\_\org\apache\jsp\test_jsp.java:62: illegal character: \12288
銆?銆?data.setValue("鍏湀", 500);
^
An error occurred at line: 10 in the jsp file: /test.jsp
Generated servlet error:
C:\Tomcat 5.0\work\Catalina\localhost\_\org\apache\jsp\test_jsp.java:63: illegal character: \12288
銆?銆?data.setValue("涓冩湀", 580);
^
An error occurred at line: 10 in the jsp file: /test.jsp
Generated servlet error:
C:\Tomcat 5.0\work\Catalina\localhost\_\org\apache\jsp\test_jsp.java:63: illegal character: \12288
銆?銆?data.setValue("涓冩湀", 580);
^
An error occurred at line: 10 in the jsp file: /test.jsp
Generated servlet error:
C:\Tomcat 5.0\work\Catalina\localhost\_\org\apache\jsp\test_jsp.java:64: illegal character: \12288
銆?銆?data.setValue("鍏湀", 828);
^
An error occurred at line: 10 in the jsp file: /test.jsp
Generated servlet error:
C:\Tomcat 5.0\work\Catalina\localhost\_\org\apache\jsp\test_jsp.java:64: illegal character: \12288
銆?銆?data.setValue("鍏湀", 828);
^
An error occurred at line: 10 in the jsp file: /test.jsp
Generated servlet error:
C:\Tomcat 5.0\work\Catalina\localhost\_\org\apache\jsp\test_jsp.java:65: illegal character: \12288
銆?銆?PiePlot plot = new PiePlot(data);
^
An error occurred at line: 10 in the jsp file: /test.jsp
Generated servlet error:
C:\Tomcat 5.0\work\Catalina\localhost\_\org\apache\jsp\test_jsp.java:65: illegal character: \12288
銆?銆?PiePlot plot = new PiePlot(data);
^
An error occurred at line: 10 in the jsp file: /test.jsp
Generated servlet error:
C:\Tomcat 5.0\work\Catalina\localhost\_\org\apache\jsp\test_jsp.java:66: illegal character: \12288
銆?銆?JFreeChart chart = new JFreeChart("", JFreeChart.DEFAULT_TITLE_FONT, plot, true);
^
An error occurred at line: 10 in the jsp file: /test.jsp
Generated servlet error:
C:\Tomcat 5.0\work\Catalina\localhost\_\org\apache\jsp\test_jsp.java:66: illegal character: \12288
銆?銆?JFreeChart chart = new JFreeChart("", JFreeChart.DEFAULT_TITLE_FONT, plot, true);
^
An error occurred at line: 10 in the jsp file: /test.jsp
Generated servlet error:
C:\Tomcat 5.0\work\Catalina\localhost\_\org\apache\jsp\test_jsp.java:67: illegal character: \12288
銆?銆?chart.setBackgroundPaint(java.awt.Color.white); //鍙?夛紝璁剧疆鍥剧墖鑳屾櫙鑹?
^
An error occurred at line: 10 in the jsp file: /test.jsp
Generated servlet error:
C:\Tomcat 5.0\work\Catalina\localhost\_\org\apache\jsp\test_jsp.java:67: illegal character: \12288
銆?銆?chart.setBackgroundPaint(java.awt.Color.white); //鍙?夛紝璁剧疆鍥剧墖鑳屾櫙鑹?
^
An error occurred at line: 10 in the jsp file: /test.jsp
Generated servlet error:
C:\Tomcat 5.0\work\Catalina\localhost\_\org\apache\jsp\test_jsp.java:68: illegal character: \12288
銆?銆?chart.setTitle("Welcome to Jfreechart !"); //鍙?夛紝璁剧疆鍥剧墖鏍囬
^
An error occurred at line: 10 in the jsp file: /test.jsp
Generated servlet error:
C:\Tomcat 5.0\work\Catalina\localhost\_\org\apache\jsp\test_jsp.java:68: illegal character: \12288
銆?銆?chart.setTitle("Welcome to Jfreechart !"); //鍙?夛紝璁剧疆鍥剧墖鏍囬
^
An error occurred at line: 10 in the jsp file: /test.jsp
Generated servlet error:
C:\Tomcat 5.0\work\Catalina\localhost\_\org\apache\jsp\test_jsp.java:69: illegal character: \12288
銆?銆?ChartRenderingInfo info = new ChartRenderingInfo(new StandardEntityCollection());
^
An error occurred at line: 10 in the jsp file: /test.jsp
Generated servlet error:
C:\Tomcat 5.0\work\Catalina\localhost\_\org\apache\jsp\test_jsp.java:69: illegal character: \12288
銆?銆?ChartRenderingInfo info = new ChartRenderingInfo(new StandardEntityCollection());
^
An error occurred at line: 10 in the jsp file: /test.jsp
Generated servlet error:
C:\Tomcat 5.0\work\Catalina\localhost\_\org\apache\jsp\test_jsp.java:70: illegal character: \12288
銆?銆?//500鏄浘鐗囬暱搴︼紝300鏄浘鐗囬珮搴?
^
An error occurred at line: 10 in the jsp file: /test.jsp
Generated servlet error:
C:\Tomcat 5.0\work\Catalina\localhost\_\org\apache\jsp\test_jsp.java:70: illegal character: \12288
銆?銆?//500鏄浘鐗囬暱搴︼紝300鏄浘鐗囬珮搴?
^
An error occurred at line: 10 in the jsp file: /test.jsp
Generated servlet error:
C:\Tomcat 5.0\work\Catalina\localhost\_\org\apache\jsp\test_jsp.java:71: illegal character: \12288
銆?銆?String filename = ServletUtilities.saveChartAsPNG(chart, 500, 300, info, session);
^
An error occurred at line: 10 in the jsp file: /test.jsp
Generated servlet error:
C:\Tomcat 5.0\work\Catalina\localhost\_\org\apache\jsp\test_jsp.java:71: illegal character: \12288
銆?銆?String filename = ServletUtilities.saveChartAsPNG(chart, 500, 300, info, session);
^
An error occurred at line: 10 in the jsp file: /test.jsp
Generated servlet error:
C:\Tomcat 5.0\work\Catalina\localhost\_\org\apache\jsp\test_jsp.java:72: illegal character: \12288
銆?銆?String graphURL = request.getContextPath() + "/servlet/DisplayChart?filename=" + filename;
^
An error occurred at line: 10 in the jsp file: /test.jsp
Generated servlet error:
C:\Tomcat 5.0\work\Catalina\localhost\_\org\apache\jsp\test_jsp.java:72: illegal character: \12288
銆?銆?String graphURL = request.getContextPath() + "/servlet/DisplayChart?filename=" + filename;
^
An error occurred at line: 10 in the jsp file: /test.jsp
Generated servlet error:
C:\Tomcat 5.0\work\Catalina\localhost\_\org\apache\jsp\test_jsp.java:73: illegal character: \12288
銆?銆?
^
An error occurred at line: 10 in the jsp file: /test.jsp
Generated servlet error:
C:\Tomcat 5.0\work\Catalina\localhost\_\org\apache\jsp\test_jsp.java:73: illegal character: \12288
銆?銆?
^
26 errors org.apache.jasper.compiler.DefaultErrorHandler.javacError(DefaultErrorHandler.java:84)
org.apache.jasper.compiler.ErrorDispatcher.javacError(ErrorDispatcher.java:332)
org.apache.jasper.compiler.Compiler.generateClass(Compiler.java:412)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:472)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:451)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:439)
org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:511)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:295)
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.
--------------------------------------------------------------------------------Apache Tomcat/5.0.28
不知道错在哪里了
你的tomcat_home定义的是什么?
是不是应该修改成%tomcat_home%\common\lib
DefaultPieDataset data = new DefaultPieDataset();
应该是页面里有不可见字符,你的代码是不是从哪里直接复制进来的?
你根据提示把前面的空白删掉试试看先