Olá,
estou tentando gerar jasper via pdf na tela jsf 1.0 , java 6,tomcat 6 mais me apresenta o erro
abaixo .
public String relatorio() throws MalformedURLException, SQLException {
OutputStream ops = null;
Session session = null;
Connection con = null;
byte[] bytes = null;
try {
WebReportUtil.invoke(getServletContext(), getRequest(), getResponse());
String jasper = getRequest().getContextPath()+ "/jasperreports/respostaprofessor.jasper";
String host = "http://" + getRequest().getServerName() + ":" + getRequest().getServerPort();
URL jasperURL = new URL(host + jasper);
getResponse().setContentType(CONTENT_TYPE_PDF);
//
session = HibernateUtil.getInstance().getSession();
con = session.connection();
//
bytes = JasperRunManager.runReportToPdf(jasperURL.openStream(), parameters,con);
} catch (JRException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
try {
ops = getResponse().getOutputStream();
ops.write(bytes);
ops.flush();
ops.close();
con.close();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return AliasNavigationRule.ALIAS_RESPOSTA_PROFESSOR_REPORT;
}INFO : foreign keys: [fk4d25cd354ef56ccd, fk4d25cd35a0ce33d5]
10/04/2011 01:08:34 org.hibernate.tool.hbm2ddl.TableMetadata <init>
INFO : indexes: [fk4d25cd354ef56ccd, primary, fk4d25cd35a0ce33d5, papeis_id_papel]
10/04/2011 01:08:34 org.hibernate.tool.hbm2ddl.SchemaUpdate execute
INFO : schema update complete
10/04/2011 13:08:56 com.sun.faces.application.ActionListenerImpl processAction
GRAVE: java.lang.NullPointerException
javax.faces.el.EvaluationException: java.lang.NullPointerException
at javax.faces.component.MethodBindingMethodExpressionAdapter.invoke(MethodBindingMethodExpressionAdapter.java:102)
at com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:102)
at javax.faces.component.UICommand.broadcast(UICommand.java:387)
at org.ajax4jsf.component.AjaxViewRoot.processEvents(AjaxViewRoot.java:184)
at org.ajax4jsf.component.AjaxViewRoot.broadcastEvents(AjaxViewRoot.java:162)
at org.ajax4jsf.component.AjaxViewRoot.processApplication(AjaxViewRoot.java:350)
at com.sun.faces.lifecycle.InvokeApplicationPhase.execute(InvokeApplicationPhase.java:82)
at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:100)
at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:118)
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:265)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.myfaces.webapp.filter.ExtensionsFilter.doFilter(ExtensionsFilter.java:246)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:141)
at org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:281)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.myfaces.webapp.filter.ExtensionsFilter.doFilter(ExtensionsFilter.java:301)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:558)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:852)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
at java.lang.Thread.run(Thread.java:662)
Caused by: java.lang.NullPointerException
at net.sf.jasperreports.engine.fill.JRFiller.fillReport(JRFiller.java:63)
at net.sf.jasperreports.engine.JasperFillManager.fillReport(JasperFillManager.java:402)
at net.sf.jasperreports.engine.JasperFillManager.fillReport(JasperFillManager.java:363)
at net.sf.jasperreports.engine.JasperRunManager.runReportToPdf(JasperRunManager.java:242)
at ao.edu.imag.avalia.view.managedbean.RespostaProfessorMB.relatorio(RespostaProfessorMB.java:231)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.el.parser.AstValue.invoke(AstValue.java:191)
at org.apache.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:276)
at com.sun.facelets.el.TagMethodExpression.invoke(TagMethodExpression.java:68)
at javax.faces.component.MethodBindingMethodExpressionAdapter.invoke(MethodBindingMethodExpressionAdapter.java:88)
... 32 more
10/04/2011 13:09:01 com.sun.faces.lifecycle.InvokeApplicationPhase execute
AVISO: #{respostaProfessorMB.relatorio}: java.lang.NullPointerException
javax.faces.FacesException: #{respostaProfessorMB.relatorio}: java.lang.NullPointerException
at com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:118)
at javax.faces.component.UICommand.broadcast(UICommand.java:387)
at org.ajax4jsf.component.AjaxViewRoot.processEvents(AjaxViewRoot.java:184)
at org.ajax4jsf.component.AjaxViewRoot.broadcastEvents(AjaxViewRoot.java:162)
at org.ajax4jsf.component.AjaxViewRoot.processApplication(AjaxViewRoot.java:350)
at com.sun.faces.lifecycle.InvokeApplicationPhase.execute(InvokeApplicationPhase.java:82)
at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:100)
at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:118)
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:265)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.myfaces.webapp.filter.ExtensionsFilter.doFilter(ExtensionsFilter.java:246)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:141)
at org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:281)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.myfaces.webapp.filter.ExtensionsFilter.doFilter(ExtensionsFilter.java:301)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:558)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:852)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
at java.lang.Thread.run(Thread.java:662)
Caused by: javax.faces.el.EvaluationException: java.lang.NullPointerException
at javax.faces.component.MethodBindingMethodExpressionAdapter.invoke(MethodBindingMethodExpressionAdapter.java:102)
at com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:102)
... 31 more
Caused by: java.lang.NullPointerException
at net.sf.jasperreports.engine.fill.JRFiller.fillReport(JRFiller.java:63)
at net.sf.jasperreports.engine.JasperFillManager.fillReport(JasperFillManager.java:402)
at net.sf.jasperreports.engine.JasperFillManager.fillReport(JasperFillManager.java:363)
at net.sf.jasperreports.engine.JasperRunManager.runReportToPdf(JasperRunManager.java:242)
at ao.edu.imag.avalia.view.managedbean.RespostaProfessorMB.relatorio(RespostaProfessorMB.java:231)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.el.parser.AstValue.invoke(AstValue.java:191)
at org.apache.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:276)
at com.sun.facelets.el.TagMethodExpression.invoke(TagMethodExpression.java:68)
at javax.faces.component.MethodBindingMethodExpressionAdapter.invoke(MethodBindingMethodExpressionAdapter.java:88)
... 32 more
10/04/2011 13:09:01 com.sun.faces.lifecycle.Phase doPhase
GRAVE: JSF1054: (Phase ID: INVOKE_APPLICATION 5, View ID: /private/pages/default.xhtml) Exception thrown during phase execution: javax.faces.event.PhaseEvent[source=com.sun.faces.lifecycle.LifecycleImpl@1eed775]
10/04/2011 13:09:01 org.apache.catalina.core.StandardWrapperValve invoke
GRAVE: Servlet.service() for servlet Faces Servlet threw exception
java.lang.NullPointerException
at net.sf.jasperreports.engine.fill.JRFiller.fillReport(JRFiller.java:63)
at net.sf.jasperreports.engine.JasperFillManager.fillReport(JasperFillManager.java:402)
at net.sf.jasperreports.engine.JasperFillManager.fillReport(JasperFillManager.java:363)
at net.sf.jasperreports.engine.JasperRunManager.runReportToPdf(JasperRunManager.java:242)
at ao.edu.imag.avalia.view.managedbean.RespostaProfessorMB.relatorio(RespostaProfessorMB.java:231)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.el.parser.AstValue.invoke(AstValue.java:191)
at org.apache.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:276)
at com.sun.facelets.el.TagMethodExpression.invoke(TagMethodExpression.java:68)
at javax.faces.component.MethodBindingMethodExpressionAdapter.invoke(MethodBindingMethodExpressionAdapter.java:88)
at com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:102)
at javax.faces.component.UICommand.broadcast(UICommand.java:387)
at org.ajax4jsf.component.AjaxViewRoot.processEvents(AjaxViewRoot.java:184)
at org.ajax4jsf.component.AjaxViewRoot.broadcastEvents(AjaxViewRoot.java:162)
at org.ajax4jsf.component.AjaxViewRoot.processApplication(AjaxViewRoot.java:350)
at com.sun.faces.lifecycle.InvokeApplicationPhase.execute(InvokeApplicationPhase.java:82)
at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:100)
at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:118)
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:265)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.myfaces.webapp.filter.ExtensionsFilter.doFilter(ExtensionsFilter.java:246)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:141)
at org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:281)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.myfaces.webapp.filter.ExtensionsFilter.doFilter(ExtensionsFilter.java:301)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:558)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:852)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
at java.lang.Thread.run(Thread.java:662)
public static final String ALIAS_RESPOSTA_PROFESSOR_NOME = "resposta_professor_nome";
public static final String ALIAS_RESPOSTA_PROFESSOR_RESPONDE = "resposta_professor_responde";
public static final String ALIAS_RESPOSTA_PROFESSOR_SEM_PERGUNTA = "resposta_professor_sem_pergunta";
public static final String ALIAS_RESPOSTA_PROFESSOR_FINAL_PERGUNTA = "resposta_professor_final_pergunta";
public static final String ALIAS_RESPOSTA_PROFESSOR_REPORT = "resposta_professor_report";
xhtml
<html xmlns="http://www.w3.org/1999/xhtml" xmlns:ui="http://java.sun.com/jsf/facelets" xmlns:h="http://java.sun.com/jsf/html" xmlns:f="http://java.sun.com/jsf/core" xmlns:rich="http://richfaces.org/rich" xmlns:t="http://myfaces.apache.org/tomahawk" xmlns:a4j="https://ajax4jsf.dev.java.net/ajax" xmlns:demoiselle="http://www.frameworkdemoiselle.gov.br">
<ui:composition template="/public/templates/default.xhtml">
<ui:define name="body">
<h:form>
<h:messages />
<demoiselle:useJs all="true">
</demoiselle:useJs>
<rich:panel styleClass="richPanelStyleClass" bodyClass="richPanelBodyClass" headerClass="richPanelHeaderClass">
<h:outputLabel value="" />
<table summary="">
</table>
</rich:panel>
<div style="padding: 10px; text-align: right;">
</div>
</h:form>
</ui:define>
</ui:composition>
</html>
faces
<!--RegraRespostaProfessor-->
<navigation-rule>
<navigation-case>
<from-outcome>resposta_professor_nome</from-outcome>
<to-view-id>/private/pages/resposta_professor_nome.xhtml</to-view-id>
</navigation-case>
<navigation-case>
<from-outcome>resposta_professor_responde</from-outcome>
<to-view-id>/private/pages/resposta_professor_responde.xhtml</to-view-id>
</navigation-case>
<navigation-case>
<from-outcome>resposta_professor_sem_pergunta</from-outcome>
<to-view-id>/private/pages/resposta_professor_sem_pergunta.xhtml</to-view-id>
</navigation-case>
<navigation-case>
<from-outcome>resposta_professor_final_pergunta</from-outcome>
<to-view-id>/private/pages/resposta_professor_final_pergunta.xhtml</to-view-id>
</navigation-case>
<navigation-case>
<from-outcome>resposta_professor_report</from-outcome>
<to-view-id>/private/pages/resposta_professor_report.xhtml</to-view-id>
</navigation-case>
</navigation-rule>
<managed-bean>
<managed-bean-name>respostaProfessorMB</managed-bean-name>
<managed-bean-class>ao.edu.imag.avalia.view.managedbean.RespostaProfessorMB</managed-bean-class>
<managed-bean-scope>session</managed-bean-scope>
</managed-bean>