Welcome to the exciting world of JasperReports Library 7! The release of version 7 brings along a treasure trove of updates, ensuring a more efficient experience in reporting. In this guide, we will walk through the essential changes, functionality, and how to get started with the new version.
What’s New in JasperReports Library 7.0.0?
Version 7.0.0 goes through significant refactoring that greatly enhances dependency management while preparing for the Jakarta Migration. Here are the key changes you’ll find:
- Removal of the Ant build system, replaced with Maven.
- Deprecated code has been cleared out.
- Backward compatibility for serialized and compiled *.jasper files has been intentionally broken due to the cleanup of historical deprecated serialization code.
- Source *.jrxml report templates need to be recompiled using the new library version.
- Changes in parsing from Apache Commons Digester to Jackson XML.
- Some Java package names have changed.
- JFreeChart upgraded to version 1.5.4, losing support for 3D charts.
How to Build the JasperReports Library Project
The building process of the library is straightforward with Maven. Imagine building a Lego set, where each piece represents a functional module of the library. In order to build your unique structure, you simply perform a series of steps to assemble it:
- Use the command: mvn clean install source:jar javadoc:jar to compile the core and optional artifacts.
- If you have local Git modifications, suppress the build number plugin check with: mvn clean install -Dmaven.buildNumber.doCheck=false.
- To ensure compatibility with JDK version 1.8, use: mvn clean install -Denforcer.skip.
How to Run Samples
Using the samples included with JasperReports is akin to following a recipe in order to create a delicious dish:
- Start by launching the HSQLDB demo database: mvn exec:java.
- To run individual sample reports, navigate to the respective sample folder and execute: mvn clean compile exec:java.
- You can also execute methods directly, like exporting to PDF with: mvn exec:java -Dexec.args=pdf.
- For viewing compiled or exported report files, utilize commands such as: mvn exec:java@view.
Troubleshooting Ideas
If you encounter any issues as you work with JasperReports Library 7, here are some troubleshooting tips:
- Ensure that your Java version meets the requirements (must be compatible with JDK 1.8).
- Double-check your Maven configurations; sometimes a simple re-installation can do wonders.
- If you are facing issues with compilation, ensure that you’re using the new version of the library for *.jrxml files created in older versions.
- For any persistent trouble, don’t hesitate to refer to the community resources linked below.
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Conclusion
The JasperReports Library 7.0.0 is a profound leap forward, making reporting simpler and more robust. By familiarizing yourself with the changes and following the above steps, you can harness its full potential, creating stunning reports for your needs.