Solving the Spring Boot Jasper Report Printing Issue: A Step-by-Step Guide

Are you tired of dealing with the frustrating Spring Boot Jasper Report printing issue? You’re not alone! Many developers have struggled with this problem, but fear not, dear reader, for we’ve got you covered. In this comprehensive guide, we’ll walk you through the troubleshooting process, providing clear and direct instructions to get your Jasper Reports printing like a charm.

What’s Causing the Issue?

Before we dive into the solutions, let’s understand the root of the problem. The Spring Boot Jasper Report printing issue typically occurs due to one of the following reasons:

• missing dependencies: You might be missing essential dependencies in your pom.xml file, preventing Jasper Reports from functioning correctly.
• incorrect configuration: Misconfigured settings in your application.properties or spring configuration file can lead to printing issues.
• jasper report version conflicts: Using incompatible versions of Jasper Reports and Spring Boot can cause printing problems.
• font issues: Font-related problems can prevent Jasper Reports from generating reports correctly.

Step 1: Verify Dependencies

Let’s start by ensuring you have the necessary dependencies in your pom.xml file. Add the following dependencies:

<dependency>
  <groupId>net.sf.jasperreports</groupId>
  <artifactId>jasperreports</artifactId>
  <version>6.12.2</version>
</dependency>

<dependency>
  <groupId>com.lowagie</groupId>
  <artifactId>iText</artifactId>
  <version>2.1.7</version>
</dependency>

Step 2: Configure Application Properties

Next, let’s configure your application.properties file correctly:

spring:
  jasper:
    reports:
      path: classpath:reports/

This configuration tells Spring Boot to look for Jasper Report files in the classpath:reports/ directory.

Step 3: Create a Jasper Report Configuration Bean

Create a configuration bean to define the Jasper Report settings:

@Bean
public JasperReportsConfigurer jasperReportsConfigurer() {
  JasperReportsConfigurer configurer = new JasperReportsConfigurer();
  configurer.setBaseReportUrl("classpath:reports/");
  configurer.setJrxmlSuffix("jrxml");
  configurer.setReportSuffix("jasper");
  return configurer;
}

This bean configures the base report URL, JRXML suffix, and report suffix for Jasper Reports.

Step 4: Generate the Jasper Report

Now, let’s generate a Jasper Report using the following code:

@Service
public class ReportService {

  @Autowired
  private JasperReportService jasperReportService;

  public void generateReport() {
    try {
      JasperReport jasperReport = jasperReportService.compileReport("report.jrxml");
      JasperPrint jasperPrint = JasperFillManager.fillReport(jasperReport, new HashMap<>(), new JREmptyDataSource());
      JasperExportManager.exportReportToPdfFile(jasperPrint, "report.pdf");
    } catch (JRException e) {
      e.printStackTrace();
    }
  }
}

This code compiles the report.jrxml file, fills it with data, and exports it to a PDF file named report.pdf.

Step 5: Print the Report

Finally, let’s print the report using the following code:

@Service
public class PrintService {

  public void printReport() {
    try {
      JasperPrint jasperPrint = JasperFillManager.fillReport("report.jasper", new HashMap<>(), new JREmptyDataSource());
      PrintRequestAttributeSet printRequestAttributeSet = new HashPrintRequestAttributeSet();
      printRequestAttributeSet.add(MediaSizeName.ISO_A4);
      PrintService printService = PrintServiceLookup.lookupPrintServices(null, null, null, null, null, null)[0];
      DocPrintJob job = printService.createPrintJob();
      SimpleDoc doc = new SimpleDoc(jasperPrint, DocFlavor.SERVICE_FORMATTED.PrintableData, null);
      job.print(doc, printRequestAttributeSet);
    } catch (JRException e) {
      e.printStackTrace();
    } catch (PrintException e) {
      e.printStackTrace();
    }
  }
}

This code fills the report.jasper file with data and prints it using the default printer.

Troubleshooting Font Issues

If you’re still experiencing font-related problems, try the following:

1. Verify that the fonts are installed on your system.
2. Check the font names and sizes used in your Jasper Report design.
3. Ensure that the font files are included in your project’s classpath.
4. Try using a different font or font family.

Conclusion

By following these steps and troubleshooting common issues, you should be able to resolve the Spring Boot Jasper Report printing issue. Remember to verify your dependencies, configure your application properties correctly, create a Jasper Report configuration bean, generate and print the report, and troubleshoot font issues.

Dependency	Version
net.sf.jasperreports:jasperreports	6.12.2
com.lowagie:iText	2.1.7

Remember to update the versions according to your project’s requirements.

Bonus Tip: Using a Jasper Report Viewer

If you want to provide a more interactive report viewing experience, consider using a Jasper Report viewer like JRPdfViewer:

<dependency>
  <groupId>net.sf.jasperreports</groupId>
  <artifactId>jrpdfviewer</artifactId>
  <version>6.12.2</version>
</dependency>

This viewer allows users to navigate through the report, zoom in and out, and export it to different formats.

With these steps and tips, you should be able to overcome the Spring Boot Jasper Report printing issue and provide a seamless reporting experience for your users. Happy coding!Here is the HTML code with 5 Questions and Answers about “Spring Boot Jasper Report printing issue” in a creative voice and tone:

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