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Editorial Team
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Asked: 2026-05-13T21:58:11+00:00

Why does every time I do mvn jetty:run, maven tries to download some dependencies

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Why does every time I do “mvn jetty:run”, maven tries to download some dependencies (apache poi and ojdbc jars) ? How can I disable this?

[INFO] Scanning for projects..    
[INFO] Searching repository for plugin with prefix: 'jetty'.
[INFO] ------------------------------------------------------------------------
[INFO] Building infolitReport
[INFO]    task-segment: [jetty:run]
[INFO] ------------------------------------------------------------------------
[INFO] Preparing jetty:run
Downloading: http://repository.springsource.com/maven/bundles/release/org/apache/poi/com.springsource.org.apache.poi/3.6/com.springsource.org.apache.poi-3.6.pom
Downloading: http://repository.springsource.com/maven/bundles/external/org/apache/poi/com.springsource.org.apache.poi/3.6/com.springsource.org.apache.poi-3.6.pom
Downloading: http://repository.springsource.com/maven/bundles/milestone/org/apache/poi/com.springsource.org.apache.poi/3.6/com.springsource.org.apache.poi-3.6.pom
Downloading: http://repository.springsource.com/maven/bundles/snapshot/org/apache/poi/com.springsource.org.apache.poi/3.6/com.springsource.org.apache.poi-3.6.pom
Downloading: http://repo1.maven.org/maven2/org/apache/poi/com.springsource.org.apache.poi/3.6/com.springsource.org.apache.poi-3.6.pom
Downloading: http://repository.springsource.com/maven/bundles/release/com/oracle/ojdbc14/10.2.0.2/ojdbc14-10.2.0.2.pom
Downloading: http://repository.springsource.com/maven/bundles/external/com/oracle/ojdbc14/10.2.0.2/ojdbc14-10.2.0.2.pom
Downloading: http://repository.springsource.com/maven/bundles/milestone/com/oracle/ojdbc14/10.2.0.2/ojdbc14-10.2.0.2.pom
Downloading: http://repository.springsource.com/maven/bundles/snapshot/com/oracle/ojdbc14/10.2.0.2/ojdbc14-10.2.0.2.pom
Downloading: http://repo1.maven.org/maven2/com/oracle/ojdbc14/10.2.0.2/ojdbc14-10.2.0.2.pom
[INFO] [aspectj:compile {execution: default}]
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1 Answer

  1. Editorial Team

    As explained in the chapter 3.5.5. Maven’s Dependency Management:

    A dependency in Maven isn’t just a JAR file; it’s a POM file that, in turn, may declare dependencies on other artifacts. These dependencies of dependencies are called transitive dependencies, and they are made possible by the fact that the Maven repository stores more than just bytecode; it stores metadata about artifacts.

    So, when Maven downloads a JAR dependency, it doesn’t only download a JAR but also the POM file. Here, Maven tries to download them, but they don’t exist (only the jar files exist). So maven won’t write them into the local repository and tries again next time.

    There are 4 options here:

    1. Use good citizen artifacts with POM files (or ask the responsible to fix the problem).
    2. Use a repository manager and create and upload the POM files.
    3. Create the POM files in your local repository (for example using install:install-file).
    4. Live with it (sigh) and run mvn offline with the -o option to make it less painful.
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