当您运行mvn install时会发生什么？

Question

I know that when you run mvn install it will compile, package, and copy the binaries in the local .m2 repository.

I recently created a maven project in intelliJ and ran mvn install . I then checked the .m2 repository and the generated binaries were there. When I tried to add a dependency to that newly created snapshot from another intelliJ project, they aren't being picked up.

1. Any idea what is missing?
2. Does anything happen in mvn install besides copying the new snapshot into .m2?

Answer 1

mvn dependency:tree is usually the best tool for figuring out what's going on with dependencies.

Sometimes with IDE's they use their own repo or don't pick things up. I'd generally do a sanity check mvn clean install from the command line to make sure things are working correctly.

Answer 2

Here is the default lifecycle of maven. When you execute one phase - all previous phases are executed before it. So if you call mvn install previous 21 actions will run before install phase which is 22.

1. validate
2. initialize
3. generate-sources
4. process-sources
5. generate-resources
6. process-resources
7. compile
8. process-classes
9. generate-test-sources
10. process-test-sources
11. generate-test-resources
12. process-test-resources
13. test-compile
14. process-test-classes
15. test
16. prepare-package
17. package
18. pre-integration-test
19. integration-test
20. post-integration-test
21. verify
22. install
23. deploy