Updating version numbers of modules in a multi

I have a multi-module maven project. We intend to version all these modules together. But as of now I am ending up hard-coding version in each of the module pom.xml as below

<parent>
    <artifactId>xyz-application</artifactId>
    <groupId>com.xyz</groupId>
    <version>2.50.0.g</version>
</parent>
<modelVersion>4.0.0</modelVersion>
<groupId>com.xyz</groupId>
<artifactId>xyz-Library</artifactId>
<version>2.50.0.g</version>

and the main parent module has the below configuration

<modelVersion>4.0.0</modelVersion>
<groupId>com.xyz</groupId>
<artifactId>xyz-application</artifactId>
<version>2.50.0.g</version>
<packaging>pom</packaging>

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Use versions:set from the versions-maven plugin:

mvn versions:set -DnewVersion=2.50.1-SNAPSHOT

It will adjust all pom versions, parent versions and dependency versions in a multi-module project.

If you made a mistake, do

mvn versions:revert

afterwards, or

mvn versions:commit

if you're happy with the results.

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Note: this solution assumes that all modules use the aggregate pom as parent pom also, a scenario that was considered standard at the time of this answer. If that is not the case, go for Garret Wilson's answer.

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You may want to look into Maven release plugin's release:update-versions goal. It will update the parent's version as well as all the modules under it.

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Update: Please note that the above is the release plugin. If you are not releasing, you may want to use versions:set

mvn versions:set -DnewVersion=1.2.3-SNAPSHOT

---

I encourage you to read the Maven Book about multi-module (reactor) builds.

I meant in particular the following:

<parent>
    <artifactId>xyz-application</artifactId>
    <groupId>com.xyz</groupId>
    <version>2.50.0.g</version>
</parent>
<modelVersion>4.0.0</modelVersion>
<groupId>com.xyz</groupId>
<artifactId>xyz-Library</artifactId>
<version>2.50.0.g</version>

should be changed into. Here take care about the not defined version only in parent part it is defined.

<modelVersion>4.0.0</modelVersion>

<parent>
    <artifactId>xyz-application</artifactId>
    <groupId>com.xyz</groupId>
    <version>2.50.0.g</version>
</parent>
<groupId>com.xyz</groupId>
<artifactId>xyz-Library</artifactId>

This is a better link.

链接地址: http://www.djcxy.com/p/61772.html

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