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Exporting the Maven Version Number to a File
- When deploying applications, tracking the correct version is essential for debugging, rollback strategies, and ensuring compatibility with other services. In Maven-based Java projects, storing the version number in a separate file facilitates easy access for various purposes.
- To extract and output the Maven project version to a text file, different methods like using the Maven Resources Plugin and the Maven Antrun Plugin are explored in this article.
- Using the Maven Resources Plugin involves creating a version template file and enabling resource filtering in pom.xml. This method embeds the version number into a resource file that becomes part of the final JAR or WAR.
- Verifying the output after running 'mvn package' confirms that Maven successfully filters and embeds the version number into the compiled resources.
- The Maven Antrun Plugin approach allows creating a standalone version file. By configuring this plugin in pom.xml, the project version number can be written to a text file during the build process.
- The
task inside the block writes the project's version number into the file named version.txt located in the target directory during the prepare-package phase. - Adjusting the file location in the Maven Antrun Plugin allows customization of where the version file is stored, offering flexibility on where to organize version metadata within the build.
- In conclusion, leveraging the Maven Resources Plugin or the Maven Antrun Plugin automates version tracking and makes version metadata easily accessible in Maven projects, enhancing build clarity and tracking.
- Both methods are simple yet effective, providing efficient ways to manage version information for application deployment and runtime analysis.
- This article guides on outputting the Maven project version number to a text file using Maven plugins for improved version control and versioning processes in Java development.
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