struts 2 and jasper reports integration - struts2

Question

I want to integrate jasper report to my struts 2 application.
But I am getting this exception:
java.lang.NullPointerException
net.sf.jasperreports.engine.fill.JRFiller.fillReport(JRFiller.java:89)
net.sf.jasperreports.engine.JasperFillManager.fillReport(JasperFillManager.java:601)
org.apache.struts2.views.jasperreports.JasperReportsResult.doExecute(JasperReportsResult.java:325)
org.apache.struts2.dispatcher.StrutsResultSupport.execute(StrutsResultSupport.java:186)
com.opensymphony.xwork2.DefaultActionInvocation.executeResult(DefaultActionInvocation.java:371)
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:275)
org.apache.struts2.interceptor.debugging.DebuggingInterceptor.intercept(DebuggingInterceptor.java:256)
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246)
com.opensymphony.xwork2.interceptor.DefaultWorkflowInterceptor.doIntercept(DefaultWorkflowInterceptor.java:167)
com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246)
com.opensymphony.xwork2.validator.ValidationInterceptor.doIntercept(ValidationInterceptor.java:265)
org.apache.struts2.interceptor.validation.AnnotationValidationInterceptor.doIntercept(AnnotationValidationInterceptor.java:68)
com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246)
com.opensymphony.xwork2.interceptor.ConversionErrorInterceptor.intercept(ConversionErrorInterceptor.java:138)
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246)
com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:239)
com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246)
com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:239)
com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246)
com.opensymphony.xwork2.interceptor.StaticParametersInterceptor.intercept(StaticParametersInterceptor.java:191)
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246)
org.apache.struts2.interceptor.MultiselectInterceptor.intercept(MultiselectInterceptor.java:73)
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246)
org.apache.struts2.interceptor.CheckboxInterceptor.intercept(CheckboxInterceptor.java:91)
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246)
org.apache.struts2.interceptor.FileUploadInterceptor.intercept(FileUploadInterceptor.java:252)
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246)
com.opensymphony.xwork2.interceptor.ModelDrivenInterceptor.intercept(ModelDrivenInterceptor.java:100)
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246)
com.opensymphony.xwork2.interceptor.ScopedModelDrivenInterceptor.intercept(ScopedModelDrivenInterceptor.java:141)
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246)
com.opensymphony.xwork2.interceptor.ChainingInterceptor.intercept(ChainingInterceptor.java:145)
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246)
com.opensymphony.xwork2.interceptor.PrepareInterceptor.doIntercept(PrepareInterceptor.java:171)
com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246)
com.opensymphony.xwork2.interceptor.I18nInterceptor.intercept(I18nInterceptor.java:161)
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246)
org.apache.struts2.interceptor.ServletConfigInterceptor.intercept(ServletConfigInterceptor.java:164)
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246)
com.opensymphony.xwork2.interceptor.AliasInterceptor.intercept(AliasInterceptor.java:193)
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246)
com.opensymphony.xwork2.interceptor.ExceptionMappingInterceptor.intercept(ExceptionMappingInterceptor.java:189)
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246)
interceptor.LoginInterceptor.intercept(LoginInterceptor.java:40)
com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:246)
org.apache.struts2.impl.StrutsActionProxy.execute(StrutsActionProxy.java:54)
org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:563)
org.apache.struts2.dispatcher.ng.ExecuteOperations.executeAction(ExecuteOperations.java:77)
org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.doFilter(StrutsPrepareAndExecuteFilter.java:99)
jars I have added:
struts 2 core 2.3.15
jasper reports 3.1.2
commons lang 3.2
commons digester 1.7
commons beanutils 1.7.0
commons collections 2.1
common logging 1.0
struts2 jasper report plugin 2.3.15
joda time 2.1.0
Here is report file.
<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"
pageWidth="595" pageHeight="842" columnWidth="555"
leftMargin="20" rightMargin="20" topMargin="20" bottomMargin="20"
name="our_jasper_template">
<property name="ireport.zoom" value="1.0" />
<property name="ireport.x" value="0" />
<property name="ireport.y" value="0" />
<field name="customerName" class="java.lang.String"/>
<field name="customerId" class="java.lang.String"/>
<background>
<band splitType="Stretch"/>
</background>
<title>
<band height="79" >
</band>
</title>
<pageHeader>
<band height="50">
<staticText>
<reportElement mode="Opaque" x="0" y="0" width="552"
height="35" backcolor="#CCCCCC" />
<textElement textAlignment="Center">
<font size="26" />
</textElement>
<text><![CDATA[user Report]]></text>
</staticText>
</band>
</pageHeader>
<columnHeader>
<band/>
</columnHeader>
<detail>
<band height="20">
<textField>
<reportElement x="0" y="0" width="100" height="20"/>
<textFieldExpression><![CDATA[$F{customerName}]]></textFieldExpression>
</textField>
<textField>
<reportElement x="100" y="0" width="100" height="20"/>
<textFieldExpression><![CDATA[$F{customerId}]]></textFieldExpression>
</textField>
</band>
</detail>
<columnFooter>
<band/>
</columnFooter>
<pageFooter>
<band height="15">
<staticText>
<reportElement x="0" y="0" width="40" height="15"/>
<textElement/>
<text><![CDATA[Page:]]></text>
</staticText>
<textField>
<reportElement x="40" y="0" width="100" height="15"/>
<textElement/>
<textFieldExpression class="java.lang.Integer"><![CDATA[$V{PAGE_NUMBER}]]></textFieldExpression>
</textField>
</band>
</pageFooter>
<summary>
<band/>
</summary>
</jasperReport>
Action class
public class TestJasperAction extends ActionSupport {
List<PolicyBean> beanCollection=new ArrayList();
#Override
public String execute() {
ResultSet rs = PolicyDao.getPolicyRsTest();
try {
while (rs.next()) {
PolicyBean p = new PolicyBean();
p.setCustomerName(rs.getString("customer_first_name") + " " + rs.getString("customer_last_name"));
p.setCustomerId(rs.getString("customer_no"));
beanCollection.add(p);
}
} catch (SQLException ex) {
Logger.getLogger(TestJasperAction.class.getName()).log(Level.SEVERE, null, ex);
}
System.out.println("Bean size:"+beanCollection.size());
return SUCCESS;
}
public List<PolicyBean> getBeanCollection() {
return beanCollection;
}
public void setBeanCollection(List<PolicyBean> beanCollection) {
this.beanCollection = beanCollection;
}
}
struts.xml
<action name="JasperTesting" class="action.TestJasperAction">
<result name="success" type="jasper">
<param name="location">/iacms/jaspers/our_jasper_template.jasper</param>
<param name="dataSource">beanCollection</param>
<param name="format">PDF</param>
</result>
JSP code:
<div class="form-group row" style="margin-left: 250px">
<s:form action="JasperTesting">
<s:submit cssClass="btn btn-success" value="Generate Report"/>
</s:form>
</div>
Any help or direction will be much appreciated.