[
https://issues.apache.org/jira/browse/MDEP-744?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Alberto Gallardo updated MDEP-744:
----------------------------------
Description:
Copying {{runtime}} dependencies of a maven submodule fails due to a
{{provided}} inter-module dependency. This is not expected, as neither the
{{provided}} dependency nor its transitive dependencies should be copied. There
is no need to fetch the dependency.
Notice that it is still possible to copy the dependencies if first invoking the
{{install}} goal, but this should not be necessary.
h2. Project structure
{code:java}
parent
+-- child1
| ^
| |
+-- child2{code}
!image-2021-04-20-12-24-46-392.png!
h2. poms outline
{code:xml}
<project>
<!-- only relevant elements shown -->
<artifactId>parent</artifactId>
<modules>
<module>child1</module>
<module>child2</module>
</modules>
</project>
{code}
{code:xml}
<project>
<parent>
<artifactId>parent</artifactId>
</parent>
<artifactId>child1</artifactId>
</project>
{code}
{code:xml}
<project>
<parent>
<artifactId>parent</artifactId>
</parent>
<artifactId>child2</artifactId>
<dependencies>
<dependency>
<artifactId>child1</artifactId>
<scope>provided</scope>
</dependency>
<!-- other deps -->
</dependencies>
</project>
{code}
h2. Steps to reproduce
# {{mvn -pl child2 -am clean dependency:copy-dependencies
-DincludeScope=runtime}}
h2. Current
{noformat}
[INFO] Scanning for projects...
[INFO] ------------------------------------------------------------------------
[INFO] Reactor Build Order:
[INFO]
[INFO] parent [pom]
[INFO] child1 [jar]
[INFO] child2 [jar]
[INFO]
[INFO] -------------------------< org.example:parent >-------------------------
[INFO] Building parent 1.0.0-SNAPSHOT [1/3]
[INFO] --------------------------------[ pom ]---------------------------------
[INFO]
[INFO] --- maven-clean-plugin:2.5:clean (default-clean) @ parent ---
[INFO]
[INFO] --- maven-dependency-plugin:2.8:copy-dependencies (default-cli) @ parent
---
[INFO]
[INFO] -------------------------< org.example:child1 >-------------------------
[INFO] Building child1 1.0-SNAPSHOT [2/3]
[INFO] --------------------------------[ jar ]---------------------------------
[INFO]
[INFO] --- maven-clean-plugin:2.5:clean (default-clean) @ child1 ---
[INFO]
[INFO] --- maven-dependency-plugin:2.8:copy-dependencies (default-cli) @ child1
---
[INFO]
[INFO] -------------------------< org.example:child2 >-------------------------
[INFO] Building child2 1.0-SNAPSHOT [3/3]
[INFO] --------------------------------[ jar ]---------------------------------
[INFO] ------------------------------------------------------------------------
[INFO] Reactor Summary:
[INFO]
[INFO] parent 1.0.0-SNAPSHOT .............................. SUCCESS [ 0.744 s]
[INFO] child1 1.0-SNAPSHOT ................................ SUCCESS [ 0.043 s]
[INFO] child2 1.0-SNAPSHOT ................................ FAILURE [ 0.053 s]
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 1.178 s
[INFO] Finished at: 2021-04-20T12:47:16+02:00
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal on project child2: Could not resolve
dependencies for project org.example:child2:jar:1.0-SNAPSHOT: Failure to find
org.example:child1:jar:1.0-SNAPSHOT in
https://nexus.tik.uni-stuttgart.de/repository/maven-central was cached in the
local repository, resolution will not be reattempted until the update interval
of tik-mirror-central has elapsed or updates are forced -> [Help 1]
{noformat}
h2. Expected
{{child2}} dependencies are copied to {{child2/target/dependency}}
h2. Workaround
Forcing the installation of maven artifacts allows the plugin to resolve the
depedencies (Note: I have removed many uninteresting lines from the output):
{noformat}
mvn -pl child2 -am clean install dependency:copy-dependencies
-DincludeScope=runtime
[INFO] Scanning for projects...
[INFO] ------------------------------------------------------------------------
[INFO] Reactor Build Order:
[INFO]
[INFO] parent [pom]
[INFO] child1 [jar]
[INFO] child2 [jar]
[INFO]
[INFO] -------------------------< org.example:parent >-------------------------
[INFO] Building parent 1.0.0-SNAPSHOT [1/3]
[INFO] --------------------------------[ pom ]---------------------------------
[INFO]
[INFO] --- maven-clean-plugin:2.5:clean (default-clean) @ parent ---
[INFO] --- maven-install-plugin:2.4:install (default-install) @ parent ---
[INFO] --- maven-dependency-plugin:2.8:copy-dependencies (default-cli) @ parent
---
[INFO]
[INFO] -------------------------< org.example:child1 >-------------------------
[INFO] Building child1 1.0-SNAPSHOT [2/3]
[INFO] --------------------------------[ jar ]---------------------------------
[INFO]
[INFO] --- maven-clean-plugin:2.5:clean (default-clean) @ child1 ---
[INFO] --- maven-resources-plugin:2.6:resources (default-resources) @ child1 ---
[INFO] --- maven-compiler-plugin:3.8.1:compile (default-compile) @ child1 ---
[INFO] --- maven-jar-plugin:2.4:jar (default-jar) @ child1 ---
[INFO] Building jar:
/home/alberto/src-local/mvn-copy-deps/child1/target/child1-1.0-SNAPSHOT.jar
[INFO]
[INFO] --- maven-install-plugin:2.4:install (default-install) @ child1 ---
[INFO] Installing
/home/alberto/src-local/mvn-copy-deps/child1/target/child1-1.0-SNAPSHOT.jar to
/home/alberto/.m2/repository/org/example/child1/1.0-SNAPSHOT/child1-1.0-SNAPSHOT.jar
[INFO] Installing /home/alberto/src-local/mvn-copy-deps/child1/pom.xml to
/home/alberto/.m2/repository/org/example/child1/1.0-SNAPSHOT/child1-1.0-SNAPSHOT.pom
[INFO]
[INFO] --- maven-dependency-plugin:2.8:copy-dependencies (default-cli) @ child1
---
[INFO]
[INFO] -------------------------< org.example:child2 >-------------------------
[INFO] Building child2 1.0-SNAPSHOT [3/3]
[INFO] --------------------------------[ jar ]---------------------------------
[INFO]
[INFO] --- maven-clean-plugin:2.5:clean (default-clean) @ child2 ---
[INFO] --- maven-resources-plugin:2.6:resources (default-resources) @ child2 ---
[INFO] --- maven-compiler-plugin:3.8.1:compile (default-compile) @ child2 ---
[INFO] --- maven-jar-plugin:2.4:jar (default-jar) @ child2 ---
[INFO] Building jar:
/home/alberto/src-local/mvn-copy-deps/child2/target/child2-1.0-SNAPSHOT.jar
[INFO]
[INFO] --- maven-install-plugin:2.4:install (default-install) @ child2 ---
[INFO] Installing
/home/alberto/src-local/mvn-copy-deps/child2/target/child2-1.0-SNAPSHOT.jar to
/home/alberto/.m2/repository/org/example/child2/1.0-SNAPSHOT/child2-1.0-SNAPSHOT.jar
[INFO] Installing /home/alberto/src-local/mvn-copy-deps/child2/pom.xml to
/home/alberto/.m2/repository/org/example/child2/1.0-SNAPSHOT/child2-1.0-SNAPSHOT.pom
[INFO]
[INFO] --- maven-dependency-plugin:3.1.2:copy-dependencies (default-cli) @
child2 ---
[INFO] Copying jcaptcha-1.0.jar to
/home/alberto/src-local/mvn-copy-deps/child2/target/dependency/jcaptcha-1.0.jar
[INFO] Copying jcaptcha-api-1.0.jar to
/home/alberto/src-local/mvn-copy-deps/child2/target/dependency/jcaptcha-api-1.0.jar
[INFO] Copying imaging-01012005.jar to
/home/alberto/src-local/mvn-copy-deps/child2/target/dependency/imaging-01012005.jar
[INFO] Copying commons-logging-1.0.4.jar to
/home/alberto/src-local/mvn-copy-deps/child2/target/dependency/commons-logging-1.0.4.jar
[INFO] Copying commons-collections-3.2.jar to
/home/alberto/src-local/mvn-copy-deps/child2/target/dependency/commons-collections-3.2.jar
[INFO] ------------------------------------------------------------------------
[INFO] Reactor Summary:
[INFO]
[INFO] parent 1.0.0-SNAPSHOT .............................. SUCCESS [ 0.775 s]
[INFO] child1 1.0-SNAPSHOT ................................ SUCCESS [ 0.939 s]
[INFO] child2 1.0-SNAPSHOT ................................ SUCCESS [ 0.689 s]
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 2.752 s
[INFO] Finished at: 2021-04-20T12:50:13+02:00
[INFO] ------------------------------------------------------------------------
{noformat}
h2. Additional info
The goal {{dependency:collect}} works properly because it doesn't download the
actual artifacts:
{noformat}
mvn -pl child2 -am clean dependency:collect -DincludeScope=runtime
[INFO] Scanning for projects...
[INFO] ------------------------------------------------------------------------
[INFO] Reactor Build Order:
[INFO]
[INFO] parent [pom]
[INFO] child1 [jar]
[INFO] child2 [jar]
[INFO]
[INFO] -------------------------< org.example:parent >-------------------------
[INFO] Building parent 1.0.0-SNAPSHOT [1/3]
[INFO] --------------------------------[ pom ]---------------------------------
[INFO]
[INFO] --- maven-clean-plugin:2.5:clean (default-clean) @ parent ---
[INFO]
[INFO] --- maven-dependency-plugin:3.1.2:collect (default-cli) @ parent ---
[INFO]
[INFO] The following files have been resolved:
[INFO] none
[INFO]
[INFO]
[INFO] -------------------------< org.example:child1 >-------------------------
[INFO] Building child1 1.0-SNAPSHOT [2/3]
[INFO] --------------------------------[ jar ]---------------------------------
[INFO]
[INFO] --- maven-clean-plugin:2.5:clean (default-clean) @ child1 ---
[INFO]
[INFO] --- maven-dependency-plugin:3.1.2:collect (default-cli) @ child1 ---
[INFO]
[INFO] The following files have been resolved:
[INFO] none
[INFO]
[INFO]
[INFO] -------------------------< org.example:child2 >-------------------------
[INFO] Building child2 1.0-SNAPSHOT [3/3]
[INFO] --------------------------------[ jar ]---------------------------------
[INFO]
[INFO] --- maven-clean-plugin:2.5:clean (default-clean) @ child2 ---
[INFO] Deleting /home/alberto/src-local/mvn-copy-deps/child2/target
[INFO]
[INFO] --- maven-dependency-plugin:3.1.2:collect (default-cli) @ child2 ---
[INFO]
[INFO] The following files have been resolved:
[INFO] com.octo.captcha:jcaptcha:jar:1.0:compile
[INFO] com.octo.captcha:jcaptcha-api:jar:1.0:compile
[INFO] com.jhlabs:imaging:jar:01012005:compile
[INFO] commons-logging:commons-logging:jar:1.0.4:compile
[INFO] commons-collections:commons-collections:jar:3.2:compile
[INFO]
[INFO] ------------------------------------------------------------------------
[INFO] Reactor Summary:
[INFO]
[INFO] parent 1.0.0-SNAPSHOT .............................. SUCCESS [ 0.723 s]
[INFO] child1 1.0-SNAPSHOT ................................ SUCCESS [ 0.024 s]
[INFO] child2 1.0-SNAPSHOT ................................ SUCCESS [ 0.032 s]
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 1.136 s
[INFO] Finished at: 2021-04-20T13:03:52+02:00
[INFO] ------------------------------------------------------------------------
{noformat}
was:
Copying {{runtime}} dependencies of a maven submodule fails due to a
{{provided}} inter-module dependency. This is not expected, as neither the
{{provided}} dependency nor its transitive dependencies should be copied. There
is no need to fetch the dependency.
I need a {{copy}} goal similar to the {{collect}} goal.
Notice that it is still possible to copy the dependencies if first invoking the
{{install}} goal, but this should not be necessary.
h2. Project structure
{code:java}
parent
+-- child1
| ^
| |
+-- child2{code}
!image-2021-04-20-12-24-46-392.png!
h2. poms outline
{code:xml}
<project>
<!-- only relevant elements shown -->
<artifactId>parent</artifactId>
<modules>
<module>child1</module>
<module>child2</module>
</modules>
</project>
{code}
{code:xml}
<project>
<parent>
<artifactId>parent</artifactId>
</parent>
<artifactId>child1</artifactId>
</project>
{code}
{code:xml}
<project>
<parent>
<artifactId>parent</artifactId>
</parent>
<artifactId>child2</artifactId>
<dependencies>
<dependency>
<artifactId>child1</artifactId>
<scope>provided</scope>
</dependency>
<!-- other deps -->
</dependencies>
</project>
{code}
h2. Steps to reproduce
# {{mvn -pl child2 -am clean dependency:copy-dependencies
-DincludeScope=runtime}}
h2. Current
{noformat}
[INFO] Scanning for projects...
[INFO] ------------------------------------------------------------------------
[INFO] Reactor Build Order:
[INFO]
[INFO] parent [pom]
[INFO] child1 [jar]
[INFO] child2 [jar]
[INFO]
[INFO] -------------------------< org.example:parent >-------------------------
[INFO] Building parent 1.0.0-SNAPSHOT [1/3]
[INFO] --------------------------------[ pom ]---------------------------------
[INFO]
[INFO] --- maven-clean-plugin:2.5:clean (default-clean) @ parent ---
[INFO]
[INFO] --- maven-dependency-plugin:2.8:copy-dependencies (default-cli) @ parent
---
[INFO]
[INFO] -------------------------< org.example:child1 >-------------------------
[INFO] Building child1 1.0-SNAPSHOT [2/3]
[INFO] --------------------------------[ jar ]---------------------------------
[INFO]
[INFO] --- maven-clean-plugin:2.5:clean (default-clean) @ child1 ---
[INFO]
[INFO] --- maven-dependency-plugin:2.8:copy-dependencies (default-cli) @ child1
---
[INFO]
[INFO] -------------------------< org.example:child2 >-------------------------
[INFO] Building child2 1.0-SNAPSHOT [3/3]
[INFO] --------------------------------[ jar ]---------------------------------
[INFO] ------------------------------------------------------------------------
[INFO] Reactor Summary:
[INFO]
[INFO] parent 1.0.0-SNAPSHOT .............................. SUCCESS [ 0.744 s]
[INFO] child1 1.0-SNAPSHOT ................................ SUCCESS [ 0.043 s]
[INFO] child2 1.0-SNAPSHOT ................................ FAILURE [ 0.053 s]
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 1.178 s
[INFO] Finished at: 2021-04-20T12:47:16+02:00
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal on project child2: Could not resolve
dependencies for project org.example:child2:jar:1.0-SNAPSHOT: Failure to find
org.example:child1:jar:1.0-SNAPSHOT in
https://nexus.tik.uni-stuttgart.de/repository/maven-central was cached in the
local repository, resolution will not be reattempted until the update interval
of tik-mirror-central has elapsed or updates are forced -> [Help 1]
{noformat}
h2. Expected
{{child2}} dependencies are copied to {{child2/target/dependency}}
h2. Workaround
Forcing the installation of maven artifacts allows the plugin to resolve the
depedencies (Note: I have removed many uninteresting lines from the output):
{noformat}
mvn -pl child2 -am clean install dependency:copy-dependencies
-DincludeScope=runtime
[INFO] Scanning for projects...
[INFO] ------------------------------------------------------------------------
[INFO] Reactor Build Order:
[INFO]
[INFO] parent [pom]
[INFO] child1 [jar]
[INFO] child2 [jar]
[INFO]
[INFO] -------------------------< org.example:parent >-------------------------
[INFO] Building parent 1.0.0-SNAPSHOT [1/3]
[INFO] --------------------------------[ pom ]---------------------------------
[INFO]
[INFO] --- maven-clean-plugin:2.5:clean (default-clean) @ parent ---
[INFO] --- maven-install-plugin:2.4:install (default-install) @ parent ---
[INFO] --- maven-dependency-plugin:2.8:copy-dependencies (default-cli) @ parent
---
[INFO]
[INFO] -------------------------< org.example:child1 >-------------------------
[INFO] Building child1 1.0-SNAPSHOT [2/3]
[INFO] --------------------------------[ jar ]---------------------------------
[INFO]
[INFO] --- maven-clean-plugin:2.5:clean (default-clean) @ child1 ---
[INFO] --- maven-resources-plugin:2.6:resources (default-resources) @ child1 ---
[INFO] --- maven-compiler-plugin:3.8.1:compile (default-compile) @ child1 ---
[INFO] --- maven-jar-plugin:2.4:jar (default-jar) @ child1 ---
[INFO] Building jar:
/home/alberto/src-local/mvn-copy-deps/child1/target/child1-1.0-SNAPSHOT.jar
[INFO]
[INFO] --- maven-install-plugin:2.4:install (default-install) @ child1 ---
[INFO] Installing
/home/alberto/src-local/mvn-copy-deps/child1/target/child1-1.0-SNAPSHOT.jar to
/home/alberto/.m2/repository/org/example/child1/1.0-SNAPSHOT/child1-1.0-SNAPSHOT.jar
[INFO] Installing /home/alberto/src-local/mvn-copy-deps/child1/pom.xml to
/home/alberto/.m2/repository/org/example/child1/1.0-SNAPSHOT/child1-1.0-SNAPSHOT.pom
[INFO]
[INFO] --- maven-dependency-plugin:2.8:copy-dependencies (default-cli) @ child1
---
[INFO]
[INFO] -------------------------< org.example:child2 >-------------------------
[INFO] Building child2 1.0-SNAPSHOT [3/3]
[INFO] --------------------------------[ jar ]---------------------------------
[INFO]
[INFO] --- maven-clean-plugin:2.5:clean (default-clean) @ child2 ---
[INFO] --- maven-resources-plugin:2.6:resources (default-resources) @ child2 ---
[INFO] --- maven-compiler-plugin:3.8.1:compile (default-compile) @ child2 ---
[INFO] --- maven-jar-plugin:2.4:jar (default-jar) @ child2 ---
[INFO] Building jar:
/home/alberto/src-local/mvn-copy-deps/child2/target/child2-1.0-SNAPSHOT.jar
[INFO]
[INFO] --- maven-install-plugin:2.4:install (default-install) @ child2 ---
[INFO] Installing
/home/alberto/src-local/mvn-copy-deps/child2/target/child2-1.0-SNAPSHOT.jar to
/home/alberto/.m2/repository/org/example/child2/1.0-SNAPSHOT/child2-1.0-SNAPSHOT.jar
[INFO] Installing /home/alberto/src-local/mvn-copy-deps/child2/pom.xml to
/home/alberto/.m2/repository/org/example/child2/1.0-SNAPSHOT/child2-1.0-SNAPSHOT.pom
[INFO]
[INFO] --- maven-dependency-plugin:3.1.2:copy-dependencies (default-cli) @
child2 ---
[INFO] Copying jcaptcha-1.0.jar to
/home/alberto/src-local/mvn-copy-deps/child2/target/dependency/jcaptcha-1.0.jar
[INFO] Copying jcaptcha-api-1.0.jar to
/home/alberto/src-local/mvn-copy-deps/child2/target/dependency/jcaptcha-api-1.0.jar
[INFO] Copying imaging-01012005.jar to
/home/alberto/src-local/mvn-copy-deps/child2/target/dependency/imaging-01012005.jar
[INFO] Copying commons-logging-1.0.4.jar to
/home/alberto/src-local/mvn-copy-deps/child2/target/dependency/commons-logging-1.0.4.jar
[INFO] Copying commons-collections-3.2.jar to
/home/alberto/src-local/mvn-copy-deps/child2/target/dependency/commons-collections-3.2.jar
[INFO] ------------------------------------------------------------------------
[INFO] Reactor Summary:
[INFO]
[INFO] parent 1.0.0-SNAPSHOT .............................. SUCCESS [ 0.775 s]
[INFO] child1 1.0-SNAPSHOT ................................ SUCCESS [ 0.939 s]
[INFO] child2 1.0-SNAPSHOT ................................ SUCCESS [ 0.689 s]
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 2.752 s
[INFO] Finished at: 2021-04-20T12:50:13+02:00
[INFO] ------------------------------------------------------------------------
{noformat}
h2. Additional info
The goal {{dependency:collect}} works properly because it doesn't download the
actual artifacts:
{noformat}
mvn -pl child2 -am clean dependency:collect -DincludeScope=runtime
[INFO] Scanning for projects...
[INFO] ------------------------------------------------------------------------
[INFO] Reactor Build Order:
[INFO]
[INFO] parent [pom]
[INFO] child1 [jar]
[INFO] child2 [jar]
[INFO]
[INFO] -------------------------< org.example:parent >-------------------------
[INFO] Building parent 1.0.0-SNAPSHOT [1/3]
[INFO] --------------------------------[ pom ]---------------------------------
[INFO]
[INFO] --- maven-clean-plugin:2.5:clean (default-clean) @ parent ---
[INFO]
[INFO] --- maven-dependency-plugin:3.1.2:collect (default-cli) @ parent ---
[INFO]
[INFO] The following files have been resolved:
[INFO] none
[INFO]
[INFO]
[INFO] -------------------------< org.example:child1 >-------------------------
[INFO] Building child1 1.0-SNAPSHOT [2/3]
[INFO] --------------------------------[ jar ]---------------------------------
[INFO]
[INFO] --- maven-clean-plugin:2.5:clean (default-clean) @ child1 ---
[INFO]
[INFO] --- maven-dependency-plugin:3.1.2:collect (default-cli) @ child1 ---
[INFO]
[INFO] The following files have been resolved:
[INFO] none
[INFO]
[INFO]
[INFO] -------------------------< org.example:child2 >-------------------------
[INFO] Building child2 1.0-SNAPSHOT [3/3]
[INFO] --------------------------------[ jar ]---------------------------------
[INFO]
[INFO] --- maven-clean-plugin:2.5:clean (default-clean) @ child2 ---
[INFO] Deleting /home/alberto/src-local/mvn-copy-deps/child2/target
[INFO]
[INFO] --- maven-dependency-plugin:3.1.2:collect (default-cli) @ child2 ---
[INFO]
[INFO] The following files have been resolved:
[INFO] com.octo.captcha:jcaptcha:jar:1.0:compile
[INFO] com.octo.captcha:jcaptcha-api:jar:1.0:compile
[INFO] com.jhlabs:imaging:jar:01012005:compile
[INFO] commons-logging:commons-logging:jar:1.0.4:compile
[INFO] commons-collections:commons-collections:jar:3.2:compile
[INFO]
[INFO] ------------------------------------------------------------------------
[INFO] Reactor Summary:
[INFO]
[INFO] parent 1.0.0-SNAPSHOT .............................. SUCCESS [ 0.723 s]
[INFO] child1 1.0-SNAPSHOT ................................ SUCCESS [ 0.024 s]
[INFO] child2 1.0-SNAPSHOT ................................ SUCCESS [ 0.032 s]
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 1.136 s
[INFO] Finished at: 2021-04-20T13:03:52+02:00
[INFO] ------------------------------------------------------------------------
{noformat}
> copy-dependencies should not fetch dependencies out of the chosen scope
> -----------------------------------------------------------------------
>
> Key: MDEP-744
> URL: https://issues.apache.org/jira/browse/MDEP-744
> Project: Maven Dependency Plugin
> Issue Type: Improvement
> Components: copy-dependencies
> Affects Versions: 3.1.2
> Reporter: Alberto Gallardo
> Priority: Minor
> Attachments: image-2021-04-20-12-24-46-392.png
>
>
> Copying {{runtime}} dependencies of a maven submodule fails due to a
> {{provided}} inter-module dependency. This is not expected, as neither the
> {{provided}} dependency nor its transitive dependencies should be copied.
> There is no need to fetch the dependency.
> Notice that it is still possible to copy the dependencies if first invoking
> the {{install}} goal, but this should not be necessary.
>
> h2. Project structure
>
> {code:java}
> parent
> +-- child1
> | ^
> | |
> +-- child2{code}
>
> !image-2021-04-20-12-24-46-392.png!
>
> h2. poms outline
> {code:xml}
> <project>
> <!-- only relevant elements shown -->
> <artifactId>parent</artifactId>
> <modules>
> <module>child1</module>
> <module>child2</module>
> </modules>
> </project>
> {code}
> {code:xml}
> <project>
> <parent>
> <artifactId>parent</artifactId>
> </parent>
> <artifactId>child1</artifactId>
> </project>
> {code}
>
> {code:xml}
> <project>
> <parent>
> <artifactId>parent</artifactId>
> </parent>
> <artifactId>child2</artifactId>
> <dependencies>
> <dependency>
> <artifactId>child1</artifactId>
> <scope>provided</scope>
> </dependency>
> <!-- other deps -->
> </dependencies>
> </project>
> {code}
>
> h2. Steps to reproduce
> # {{mvn -pl child2 -am clean dependency:copy-dependencies
> -DincludeScope=runtime}}
> h2. Current
> {noformat}
> [INFO] Scanning for projects...
> [INFO]
> ------------------------------------------------------------------------
> [INFO] Reactor Build Order:
> [INFO]
> [INFO] parent
> [pom]
> [INFO] child1
> [jar]
> [INFO] child2
> [jar]
> [INFO]
> [INFO] -------------------------< org.example:parent
> >-------------------------
> [INFO] Building parent 1.0.0-SNAPSHOT
> [1/3]
> [INFO] --------------------------------[ pom
> ]---------------------------------
> [INFO]
> [INFO] --- maven-clean-plugin:2.5:clean (default-clean) @ parent ---
> [INFO]
> [INFO] --- maven-dependency-plugin:2.8:copy-dependencies (default-cli) @
> parent ---
> [INFO]
> [INFO] -------------------------< org.example:child1
> >-------------------------
> [INFO] Building child1 1.0-SNAPSHOT
> [2/3]
> [INFO] --------------------------------[ jar
> ]---------------------------------
> [INFO]
> [INFO] --- maven-clean-plugin:2.5:clean (default-clean) @ child1 ---
> [INFO]
> [INFO] --- maven-dependency-plugin:2.8:copy-dependencies (default-cli) @
> child1 ---
> [INFO]
> [INFO] -------------------------< org.example:child2
> >-------------------------
> [INFO] Building child2 1.0-SNAPSHOT
> [3/3]
> [INFO] --------------------------------[ jar
> ]---------------------------------
> [INFO]
> ------------------------------------------------------------------------
> [INFO] Reactor Summary:
> [INFO]
> [INFO] parent 1.0.0-SNAPSHOT .............................. SUCCESS [ 0.744
> s]
> [INFO] child1 1.0-SNAPSHOT ................................ SUCCESS [ 0.043
> s]
> [INFO] child2 1.0-SNAPSHOT ................................ FAILURE [ 0.053
> s]
> [INFO]
> ------------------------------------------------------------------------
> [INFO] BUILD FAILURE
> [INFO]
> ------------------------------------------------------------------------
> [INFO] Total time: 1.178 s
> [INFO] Finished at: 2021-04-20T12:47:16+02:00
> [INFO]
> ------------------------------------------------------------------------
> [ERROR] Failed to execute goal on project child2: Could not resolve
> dependencies for project org.example:child2:jar:1.0-SNAPSHOT: Failure to find
> org.example:child1:jar:1.0-SNAPSHOT in
> https://nexus.tik.uni-stuttgart.de/repository/maven-central was cached in the
> local repository, resolution will not be reattempted until the update
> interval of tik-mirror-central has elapsed or updates are forced -> [Help 1]
> {noformat}
> h2. Expected
> {{child2}} dependencies are copied to {{child2/target/dependency}}
> h2. Workaround
> Forcing the installation of maven artifacts allows the plugin to resolve the
> depedencies (Note: I have removed many uninteresting lines from the output):
>
> {noformat}
> mvn -pl child2 -am clean install dependency:copy-dependencies
> -DincludeScope=runtime
> [INFO] Scanning for projects...
> [INFO]
> ------------------------------------------------------------------------
> [INFO] Reactor Build Order:
> [INFO]
> [INFO] parent
> [pom]
> [INFO] child1
> [jar]
> [INFO] child2
> [jar]
> [INFO]
> [INFO] -------------------------< org.example:parent
> >-------------------------
> [INFO] Building parent 1.0.0-SNAPSHOT
> [1/3]
> [INFO] --------------------------------[ pom
> ]---------------------------------
> [INFO]
> [INFO] --- maven-clean-plugin:2.5:clean (default-clean) @ parent ---
> [INFO] --- maven-install-plugin:2.4:install (default-install) @ parent ---
> [INFO] --- maven-dependency-plugin:2.8:copy-dependencies (default-cli) @
> parent ---
> [INFO]
> [INFO] -------------------------< org.example:child1
> >-------------------------
> [INFO] Building child1 1.0-SNAPSHOT
> [2/3]
> [INFO] --------------------------------[ jar
> ]---------------------------------
> [INFO]
> [INFO] --- maven-clean-plugin:2.5:clean (default-clean) @ child1 ---
> [INFO] --- maven-resources-plugin:2.6:resources (default-resources) @ child1
> ---
> [INFO] --- maven-compiler-plugin:3.8.1:compile (default-compile) @ child1 ---
> [INFO] --- maven-jar-plugin:2.4:jar (default-jar) @ child1 ---
> [INFO] Building jar:
> /home/alberto/src-local/mvn-copy-deps/child1/target/child1-1.0-SNAPSHOT.jar
> [INFO]
> [INFO] --- maven-install-plugin:2.4:install (default-install) @ child1 ---
> [INFO] Installing
> /home/alberto/src-local/mvn-copy-deps/child1/target/child1-1.0-SNAPSHOT.jar
> to
> /home/alberto/.m2/repository/org/example/child1/1.0-SNAPSHOT/child1-1.0-SNAPSHOT.jar
> [INFO] Installing /home/alberto/src-local/mvn-copy-deps/child1/pom.xml to
> /home/alberto/.m2/repository/org/example/child1/1.0-SNAPSHOT/child1-1.0-SNAPSHOT.pom
> [INFO]
> [INFO] --- maven-dependency-plugin:2.8:copy-dependencies (default-cli) @
> child1 ---
> [INFO]
> [INFO] -------------------------< org.example:child2
> >-------------------------
> [INFO] Building child2 1.0-SNAPSHOT
> [3/3]
> [INFO] --------------------------------[ jar
> ]---------------------------------
> [INFO]
> [INFO] --- maven-clean-plugin:2.5:clean (default-clean) @ child2 ---
> [INFO] --- maven-resources-plugin:2.6:resources (default-resources) @ child2
> ---
> [INFO] --- maven-compiler-plugin:3.8.1:compile (default-compile) @ child2 ---
> [INFO] --- maven-jar-plugin:2.4:jar (default-jar) @ child2 ---
> [INFO] Building jar:
> /home/alberto/src-local/mvn-copy-deps/child2/target/child2-1.0-SNAPSHOT.jar
> [INFO]
> [INFO] --- maven-install-plugin:2.4:install (default-install) @ child2 ---
> [INFO] Installing
> /home/alberto/src-local/mvn-copy-deps/child2/target/child2-1.0-SNAPSHOT.jar
> to
> /home/alberto/.m2/repository/org/example/child2/1.0-SNAPSHOT/child2-1.0-SNAPSHOT.jar
> [INFO] Installing /home/alberto/src-local/mvn-copy-deps/child2/pom.xml to
> /home/alberto/.m2/repository/org/example/child2/1.0-SNAPSHOT/child2-1.0-SNAPSHOT.pom
> [INFO]
> [INFO] --- maven-dependency-plugin:3.1.2:copy-dependencies (default-cli) @
> child2 ---
> [INFO] Copying jcaptcha-1.0.jar to
> /home/alberto/src-local/mvn-copy-deps/child2/target/dependency/jcaptcha-1.0.jar
> [INFO] Copying jcaptcha-api-1.0.jar to
> /home/alberto/src-local/mvn-copy-deps/child2/target/dependency/jcaptcha-api-1.0.jar
> [INFO] Copying imaging-01012005.jar to
> /home/alberto/src-local/mvn-copy-deps/child2/target/dependency/imaging-01012005.jar
> [INFO] Copying commons-logging-1.0.4.jar to
> /home/alberto/src-local/mvn-copy-deps/child2/target/dependency/commons-logging-1.0.4.jar
> [INFO] Copying commons-collections-3.2.jar to
> /home/alberto/src-local/mvn-copy-deps/child2/target/dependency/commons-collections-3.2.jar
> [INFO]
> ------------------------------------------------------------------------
> [INFO] Reactor Summary:
> [INFO]
> [INFO] parent 1.0.0-SNAPSHOT .............................. SUCCESS [ 0.775
> s]
> [INFO] child1 1.0-SNAPSHOT ................................ SUCCESS [ 0.939
> s]
> [INFO] child2 1.0-SNAPSHOT ................................ SUCCESS [ 0.689
> s]
> [INFO]
> ------------------------------------------------------------------------
> [INFO] BUILD SUCCESS
> [INFO]
> ------------------------------------------------------------------------
> [INFO] Total time: 2.752 s
> [INFO] Finished at: 2021-04-20T12:50:13+02:00
> [INFO]
> ------------------------------------------------------------------------
> {noformat}
> h2. Additional info
> The goal {{dependency:collect}} works properly because it doesn't download
> the actual artifacts:
> {noformat}
> mvn -pl child2 -am clean dependency:collect -DincludeScope=runtime
> [INFO] Scanning for projects...
> [INFO]
> ------------------------------------------------------------------------
> [INFO] Reactor Build Order:
> [INFO]
> [INFO] parent
> [pom]
> [INFO] child1
> [jar]
> [INFO] child2
> [jar]
> [INFO]
> [INFO] -------------------------< org.example:parent
> >-------------------------
> [INFO] Building parent 1.0.0-SNAPSHOT
> [1/3]
> [INFO] --------------------------------[ pom
> ]---------------------------------
> [INFO]
> [INFO] --- maven-clean-plugin:2.5:clean (default-clean) @ parent ---
> [INFO]
> [INFO] --- maven-dependency-plugin:3.1.2:collect (default-cli) @ parent ---
> [INFO]
> [INFO] The following files have been resolved:
> [INFO] none
> [INFO]
> [INFO]
> [INFO] -------------------------< org.example:child1
> >-------------------------
> [INFO] Building child1 1.0-SNAPSHOT
> [2/3]
> [INFO] --------------------------------[ jar
> ]---------------------------------
> [INFO]
> [INFO] --- maven-clean-plugin:2.5:clean (default-clean) @ child1 ---
> [INFO]
> [INFO] --- maven-dependency-plugin:3.1.2:collect (default-cli) @ child1 ---
> [INFO]
> [INFO] The following files have been resolved:
> [INFO] none
> [INFO]
> [INFO]
> [INFO] -------------------------< org.example:child2
> >-------------------------
> [INFO] Building child2 1.0-SNAPSHOT
> [3/3]
> [INFO] --------------------------------[ jar
> ]---------------------------------
> [INFO]
> [INFO] --- maven-clean-plugin:2.5:clean (default-clean) @ child2 ---
> [INFO] Deleting /home/alberto/src-local/mvn-copy-deps/child2/target
> [INFO]
> [INFO] --- maven-dependency-plugin:3.1.2:collect (default-cli) @ child2 ---
> [INFO]
> [INFO] The following files have been resolved:
> [INFO] com.octo.captcha:jcaptcha:jar:1.0:compile
> [INFO] com.octo.captcha:jcaptcha-api:jar:1.0:compile
> [INFO] com.jhlabs:imaging:jar:01012005:compile
> [INFO] commons-logging:commons-logging:jar:1.0.4:compile
> [INFO] commons-collections:commons-collections:jar:3.2:compile
> [INFO]
> [INFO]
> ------------------------------------------------------------------------
> [INFO] Reactor Summary:
> [INFO]
> [INFO] parent 1.0.0-SNAPSHOT .............................. SUCCESS [ 0.723
> s]
> [INFO] child1 1.0-SNAPSHOT ................................ SUCCESS [ 0.024
> s]
> [INFO] child2 1.0-SNAPSHOT ................................ SUCCESS [ 0.032
> s]
> [INFO]
> ------------------------------------------------------------------------
> [INFO] BUILD SUCCESS
> [INFO]
> ------------------------------------------------------------------------
> [INFO] Total time: 1.136 s
> [INFO] Finished at: 2021-04-20T13:03:52+02:00
> [INFO]
> ------------------------------------------------------------------------
> {noformat}
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