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How to force update dependencies Commandline eclipse Intelli


This post describes how to do the command line and Eclipse to force snapshot and release dependencies in a Maven project.

During development, maven do installation by downloading all snapshot and releasing dependencies for the first time. Build fails the reason of not downloading some of its dependencies. The reason might be not downloading the dependencies completely because of network latency issues.

Maven downloads the repositories from remote repositories like maven central or nexus. My java application build failed as spring-core loaded partially and was not downloaded completely.

Build errors for mavenapp; org.apache.maven.lifecycle.LifecycleExecutionException:
Failed to execute goal on project mavenapp: Could not resolve dependencies for project com :mavenapp:war:0.0.1-SNAPSHOT:
The following artifacts could not be resolved:
    org.springframework:spring-core:jar:5.0.1.RELEASE

How to force update dependencies of a maven project command line?

maven command has an option -U or `–update snapshots option to update the snapshot dependencies.

mvn clean install -U
mvn clean install --update-snapshots

There is another way with the maven dependency plugin goal.

 mvn dependency:purge-local-repository

purge-local-repository clean local repository.

Once the local repository is clean, install dependencies using the below command

mvn clean install

The above two commands can be run using a single command

mvn dependency:purge-local-repository clean install

This updates all snapshots and releases dependencies.

The final way is using dependency:resolve goal in maven

mvn dependency:resolve

This updates all dependencies of a maven project.

if you want to update a single dependency

mvn dependency:get -Dartifact=group_id:artifact_id:version

How to force update release and snapshot dependencies in eclipse?

It is easy to update all dependencies of the eclipse project in many ways is

One way, with project setting as described in a sequence of steps

  • Open the project in eclipse
  • Right-click on the project
  • Select Maven option - select Update project option
  • you can see the below screenshot for more information

The same above steps can be replaced with short cut command Alt + F5

maven force update dependencies eclipse IDE

Update Project window popups as seen Check below option

  • Force Update of Snapshots/Releases
maven check snapshot release update dependencies eclipse

How to update maven dependencies in Intelli IDEA

Open the project in Intelli IDEA

  • Open File -> settings, window popup
  • Check maven option
  • select Always update snapshots checked maven check snapshot release update dependencies Intelli IDEA

Conclusion

Learned maven force update to re-download dependencies with examples.

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