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What is the difference between mvn clean install and mvn install?
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5 Answers. Show activity on this post. clean is its own build lifecycle phase (which can be thought of as an action or task) in Maven. mvn clean install tells Maven to do the clean phase in each module before running the install phase for each module.
mvn package command will compile source code and also package it as a jar or war as per pom file and put it into the target folder(by default). mvn install command will compile and package, but it will also put the package in your local repository.
mvn package: Creates JAR or WAR file for the project to convert it into a distributable format. mvn install: Deploys the packaged JAR/ WAR file to the local repository.
clean is its own build lifecycle phase (which can be thought of as an action or task) in Maven. mvn clean install tells Maven to do the clean phase in each module before running the install phase for each module.
What this does is clear any compiled files you have, making sure that you're really compiling each module from scratch.
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