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Asked: 2026-06-11T13:29:38+00:00

I’m trying to optimize my build process (in development) in term of time to

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I’m trying to optimize my build process (in development) in term of time to build the whole tree of maven multi-module project. Some of the POM are actually aggregation of sources/libraries that rarelly (and typically) never change. So specific sub-questions are

  1. Is it possible to somehow configure maven to not build pom if there are no changes in sources specified in POM:project/build/sourceDirectory attribute?

  2. Or is it possible to (at least) conditionally disable maven-bundle-plugin? – it takes most of the time.

Google could not find anything relevant Q#1. Typical solution does not work for #2 – when i try to specify ‘executions’ for maven-bundle-plugin (like this)

<plugin>
    <groupId>org.apache.felix</groupId>
    <artifactId>maven-bundle-plugin</artifactId>
    <version>${maven-bundle-plugin.version}</version>
    <extensions>true</extensions>
    <executions>
        <execution>
            <id>osgi-bundle</id>
            <phase>bundle</phase>
            <goals>
                <goal>bundle</goal>
            </goals>

i receive this error in output

[bundle:bundle]
Bundle artifact-id:bundle-id:bundle:0.1.0-SNAPSHOT : The JAR is empty: dot
Error(s) found in bundle configuration

Any help is appreciated. I’m aware about following:
* Disable a Maven plugin defined in a parent POM
(maven-bundle-plugin can’t work with ‘executions’ tag)
* Skip execution of a maven plugin if a file does not exist (maven-bundle-plugin does not have skip confiuration option)
* How to skip lifecycle phase in multi maven module (the same as previous)
* If entire maven-bundle-plugin is moved into profile, maven does not recognize packaging=bundle.

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1 Answer

  1. Editorial Team

    Finally I have to admit that (C) Eugene Kuleshov – “Maven generally don’t track sources/changes, so it is always a full build.”

    But, returning back to Java after 5+ on .NET and 5+ years erlier on C++, it looks weird for me that such a common feature like incremental build is not support by widely used tool having a history of 10+ years. So I could not spend my time on waiting to rebuild each and every unchanged module in my multi-module project and decided to make customized version of Maven 3.0.4 🙂

    Feel free to grab it here http://code.google.com/p/maven-onchange-activator/, try and report issues.

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