Spring Boot Bootcamp – Workbooks and Challenges

Workbook 1.3

In this workbook, you will run your application as a jar file. We will never use this method, but it's good to be familiar with it.

Download the resources

If you still haven't downloaded the resources, click here. Follow these steps to download the zip file.


Unzip the resources into a folder.

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Launch the Starter Workbook

From spring-boot-bootcamp-resources > 1.intro-to-springboot > workbook-1.3 > starter, launch the workbook folder.

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Frequently Asked Question

  • Question: The mvnw wrapper command is 'not found'.
  • Answer: From your editor, only launch the workbook folder.

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This ensures that your terminal points to the exact folder that your wrapper is in.

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mvnw package

  1. Compiles your code.
  2. Packages everything in a JAR file inside target.

The name of your JAR file is determined by the artifact-id and version Screen Shot 2022-05-31 at 7.10.00 PM.png

SNAPSHOT means this version of your application is under development. Version 0.0.1 of our application is complete and stable, so remove SNAPSHOT.

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Package your application.

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The JAR file packages all of your application's compiled code. Now your application is portable.


Drag the jar file to your Desktop.

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Instructions for Mac Users

Scroll down if you're a Windows user. From your Mac, launch a terminal.

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Enter the command cd to start from the root of your filesystem.

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The next cd command must direct the terminal to your Desktop directory.

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Your terminal now points to your Desktop. Run the jar file using the command java -jar workbook-0.0.1.jar.

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Instructions for Windows Users

Launch the Command Prompt from your start menu. Screen Shot 2022-09-17 at 12.42.12 AM.png

Your path should start at C:\Users\username Screen Shot 2022-09-17 at 12.44.31 AM.png

Enter the command: cd Desktop to go to your Desktop directory.

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Your command prompt now points to your Desktop. Run the jar file inside your Desktop using java -jar workbook-0.0.1.jar.

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  • mvnw package packages your application into a jar file.
  • java -jar runs all of the compiled classes inside of the jar file – essentially, running your app!

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