title: Error when printing jasper report using JasperPrintManager.printReport(print, true);
body: <p>This below is my code:-</p>
  
  <pre><code>Map parameters = new HashMap();
  parameters.put("printer", "1010111");
  FileInputStream file = new FileInputStream(new File(getServletContext().getRealPath("/Reports/report1.jasper")));
  JasperPrint print = JasperFillManager.fillReport(file, parameters, new JRBeanCollectionDataSource(reports));
  JasperPrintManager.printReport(print, true);
  </code></pre>
  
  <p>I am trying to print the jasper page. I don't have any trouble when using "JasperPrintManager.printReport(print, false)" but when i use "true", I get the following error. </p>
  
  <pre><code>Severe:   net.sf.jasperreports.engine.JRException: Error printing report.
  at net.sf.jasperreports.engine.print.JRPrinterAWT.printPages(JRPrinterAWT.java:214)
  at net.sf.jasperreports.engine.JasperPrintManager.print(JasperPrintManager.java:242)
  at net.sf.jasperreports.engine.JasperPrintManager.print(JasperPrintManager.java:129)
  at net.sf.jasperreports.engine.JasperPrintManager.printReport(JasperPrintManager.java:326)
  at Reports.Closing_Report_Report.doGet(Closing_Report_Report.java:73)
  at javax.servlet.http.HttpServlet.service(HttpServlet.java:687)
  at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
  at org.apache.catalina.core.StandardWrapper.service(StandardWrapper.java:1682)
  at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:318)
  at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:160)
  at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:734)
  at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:673)
  at com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:99)
  at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:174)
  at org.apache.catalina.connector.CoyoteAdapter.doService(CoyoteAdapter.java:357)
  at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:260)
  at com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:188)
  at org.glassfish.grizzly.http.server.HttpHandler.runService(HttpHandler.java:191)
  at org.glassfish.grizzly.http.server.HttpHandler.doHandle(HttpHandler.java:168)
  at org.glassfish.grizzly.http.server.HttpServerFilter.handleRead(HttpServerFilter.java:189)
  at org.glassfish.grizzly.filterchain.ExecutorResolver$9.execute(ExecutorResolver.java:119)
  at org.glassfish.grizzly.filterchain.DefaultFilterChain.executeFilter(DefaultFilterChain.java:288)
  at org.glassfish.grizzly.filterchain.DefaultFilterChain.executeChainPart(DefaultFilterChain.java:206)
  at org.glassfish.grizzly.filterchain.DefaultFilterChain.execute(DefaultFilterChain.java:136)
  at org.glassfish.grizzly.filterchain.DefaultFilterChain.process(DefaultFilterChain.java:114)
  at org.glassfish.grizzly.ProcessorExecutor.execute(ProcessorExecutor.java:77)
  at org.glassfish.grizzly.nio.transport.TCPNIOTransport.fireIOEvent(TCPNIOTransport.java:838)
  at org.glassfish.grizzly.strategies.AbstractIOStrategy.fireIOEvent(AbstractIOStrategy.java:113)
  at org.glassfish.grizzly.strategies.WorkerThreadIOStrategy.run0(WorkerThreadIOStrategy.java:115)
  at org.glassfish.grizzly.strategies.WorkerThreadIOStrategy.access$100(WorkerThreadIOStrategy.java:55)
  at org.glassfish.grizzly.strategies.WorkerThreadIOStrategy$WorkerThreadRunnable.run(WorkerThreadIOStrategy.java:135)
  at org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:564)
  at org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.run(AbstractThreadPool.java:544)
  at java.lang.Thread.run(Thread.java:745)
  Caused by: java.awt.HeadlessException
      at sun.awt.windows.WPrinterJob.printDialog(WPrinterJob.java:576)
      at net.sf.jasperreports.engine.print.JRPrinterAWT.printPages(JRPrinterAWT.java:198)
      ... 33 more
  </code></pre>