title: net.sf.jasperreports.engine.JRException: Error loading object from file
body: <p>I am using jasper to display report for my project...Actually i m trying to pass the parameters dynamically to jrxml template as i saw in the link given below but i couldnt.....There seems a problem in my code the error is</p>
  
  <pre><code>        net.sf.jasperreports.engine.JRException: Error loading object from file : C:\Users\db2admin\Documents\NetBeansProjects\ConnectDB\src\sample_report.jrxml
      at net.sf.jasperreports.engine.util.JRLoader.loadObject(JRLoader.java:115)
      at net.sf.jasperreports.engine.JasperFillManager.fillToFile(JasperFillManager.java:487)
      at net.sf.jasperreports.engine.JasperFillManager.fillReportToFile(JasperFillManager.java:874)
      at ConnectDB.main(ConnectDB.java:65)
  Caused by: java.io.StreamCorruptedException: invalid stream header: 3C3F786D
      at java.io.ObjectInputStream.readStreamHeader(ObjectInputStream.java:801)
      at java.io.ObjectInputStream.&lt;init&gt;(ObjectInputStream.java:298)
      at net.sf.jasperreports.engine.util.ContextClassLoaderObjectInputStream.&lt;init&gt;(ContextClassLoaderObjectInputStream.java:53)
      at net.sf.jasperreports.engine.util.JRLoader.loadObject(JRLoader.java:110)
      ... 3 more
  </code></pre>
  
  <p>the jasper snippet is</p>
  
  <pre><code>ResultSet resultSet = statement.executeQuery("SELECT reg, name FROM students");
  JRResultSetDataSource resultSetDataSource = new JRResultSetDataSource(resultSet);          
  
  JasperFillManager.fillReportToFile("C:\\Users\\db2admin\\Documents\\NetBeansProjects\\
               ConnectDB\\src\\sample_report.jrxml", null, resultSetDataSource);
  </code></pre>
  
  <p>Finally the xml code is</p>
  
  <pre><code>&lt;?xml version="1.0" encoding="UTF-8"?&gt;
  &lt;jasperReport xmlns="http://jasperreports.sourceforge.net/jasperreports" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://jasperreports.sourceforge.net/jasperreports http://jasperreports.sourceforge.net/xsd/jasperreport.xsd" name="sample_report" pageWidth="595" pageHeight="842" columnWidth="555" leftMargin="20" rightMargin="20" topMargin="30" bottomMargin="30" uuid="b3b98795-b21f-4006-9295-5ef4248c84ea"&gt;
      &lt;property name="ireport.zoom" value="1.0"/&gt;
      &lt;property name="ireport.x" value="0"/&gt;
      &lt;property name="ireport.y" value="0"/&gt;
  
      &lt;field name="name" class="java.lang.String"/&gt;
      &lt;field name="reg" class="java.lang.Integer"/&gt;
      &lt;columnHeader&gt;
          &lt;band height="28" splitType="Stretch"&gt;
              &lt;staticText&gt;
                  &lt;reportElement uuid="6d6bff96-6dcb-4188-bdc0-5c23b2614b05" key="staticText-1" x="40" y="11" width="196" height="15"/&gt;
                  &lt;textElement/&gt;
                  &lt;text&gt;&lt;![CDATA[Name]]&gt;
                  &lt;/text&gt;
              &lt;/staticText&gt;
              &lt;staticText&gt;
                  &lt;reportElement uuid="c0267b29-e31b-4afd-a181-86bbcb4fb368" key="staticText-2" x="330" y="11" width="193" height="15"/&gt;
                  &lt;textElement/&gt;
                  &lt;text&gt;&lt;![CDATA[Reg]]&gt;
                  &lt;/text&gt;
              &lt;/staticText&gt;
          &lt;/band&gt;
      &lt;/columnHeader&gt;
      &lt;detail&gt;
          &lt;band height="27" splitType="Stretch"&gt;
              &lt;textField&gt;
                  &lt;reportElement uuid="4a1e6484-9610-421d-b4a4-f61d53458d9e" key="textField" x="47" y="6" width="173" height="18"/&gt;
                  &lt;textElement/&gt;
                  &lt;textFieldExpression&gt;&lt;![CDATA[$F{name}]]&gt;
                  &lt;/textFieldExpression&gt;
              &lt;/textField&gt;
              &lt;textField&gt;
                  &lt;reportElement uuid="01cb3d91-74e7-4594-aca0-605d1aa203a8" key="textField" x="330" y="6" width="100" height="18"/&gt;
                  &lt;textElement/&gt;
                  &lt;textFieldExpression&gt;&lt;![CDATA[$F{reg}]]&gt;
                  &lt;/textFieldExpression&gt;
              &lt;/textField&gt;
          &lt;/band&gt;
      &lt;/detail&gt;
  &lt;/jasperReport&gt;
  </code></pre>
  
  <p>I referred this site
  <a href="http://www.packtpub.com/article/creating-dynamic-reports-from-databases-jasperreports-3.5" rel="nofollow">http://www.packtpub.com/article/creating-dynamic-reports-from-databases-jasperreports-3.5</a></p>
  
  <p>Plz help me with this!!!!</p>