| 发表于：2007-08-24 00:14:01 楼主 |
谁能搞定啊!折磨我2天了!
我用jasperreport在windows环境下调试成功的报表在linux环境下报错。服务器是websphere应用服务器。客户端java控制台报的错误如下：
java.io.eofexception
at java.io.objectinputstream$peekinputstream.readfully（unknown source)
at java.io.objectinputstream$blockdatainputstream.readshort（unknown source)
at java.io.objectinputstream.readstreamheader（unknown source)
at java.io.objectinputstream. <init> （unknown source)
at net.sf.jasperreports.engine.util.jrloader.loadobject（jrloader.java:140)
at jrprinterapplet.start（jrprinterapplet.java:41)
at sun.applet.appletpanel.run（unknown source)
at java.lang.thread.run（unknown source)
nested by :
java.io.eofexception
at java.io.objectinputstream$peekinputstream.readfully（unknown source)
at java.io.objectinputstream$blockdatainputstream.readshort（unknown source)
at java.io.objectinputstream.readstreamheader（unknown source)
at java.io.objectinputstream. <init> （unknown source)
at net.sf.jasperreports.engine.util.jrloader.loadobject（jrloader.java:140)
at jrprinterapplet.start（jrprinterapplet.java:41)
at sun.applet.appletpanel.run（unknown source)
at java.lang.thread.run（unknown source)
nested by :
net.sf.jasperreports.engine.jrexception: error loading object from url : http://oa.tjftz.gov.cn:9999/shareentbaseinfosuppportal?dowhat=999&nf=2007&yf=8&ri=1&jnf=2007&jyf=8&jri=30&creatuserid=13919
at net.sf.jasperreports.engine.util.jrloader.loadobject（jrloader.java:145)
at jrprinterapplet.start（jrprinterapplet.java:41)
at sun.applet.appletpanel.run（unknown source)
at java.lang.thread.run（unknown source)
caused by: java.io.eofexception
at java.io.objectinputstream$peekinputstream.readfully（unknown source)
at java.io.objectinputstream$blockdatainputstream.readshort（unknown source)
at java.io.objectinputstream.readstreamheader（unknown source)
at java.io.objectinputstream. <init> （unknown source)
at net.sf.jasperreports.engine.util.jrloader.loadobject（jrloader.java:140)
... 3 more
----------------------------------------------------
客户端代码
<object codebase=lib/jinstall-1_5_0-windows-i586.cab#version=1,5,0,0 height=0 width=0 classid=clsid:8ad9c840-044e-11d1-b3e9-00805f499d93>
<param name= "code " value= "jrprinterapplet.class ">
<param name= "archive " value= " <%=request.getcontextpath（)%> /printer/printer.jar "> ');
<param name= "report_url " value= " <%=request.getcontextpath（)%> /shareentbaseinfosuppportal?dowhat=999&nf= <%=nf%> &yf= <%=yf%> &ri= <%=ri%> &jnf= <%=jnf%> &jyf= <%=jyf%> &jri= <%=jri%> &creatuserid= <%=creatid%> ">
</object>
======================================================
服务器端
jasperprint jasperprint = null;
string relativepath = "/report/newreport.jasper "; //报表的相对路径，统一放在web应用程序的report路径下
string absolutepath = request.getsession（).getservletcontext（).
getrealpath（relativepath); //绝对路径
basicdb bdb = new basicdb（);
connection conn = null;
conn = bdb.getconnection（);
try {
jasperprint = jasperfillmanager.fillreport（absolutepath, props,conn);
//jasperrunmanager.runreporttohtmlfile（absolutepath,props,new jremptydatasource（));
servletoutputstream ouputstream = response.getoutputstream（);
objectoutputstream oos = new objectoutputstream（ouputstream);
oos.writeobject（jasperprint); //将jasperprint对象写入对象输出流中
oos.flush（);
oos.close（);
}
catch （jrexception e) {
e.printstacktrace（);
}
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