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"Could not resolve dependencies" [noob]

 
Diego Schiavon
Greenhorn
Posts: 13
posted 3 weeks ago
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I am trying to package a web application with Maven. The build fails abysmally like this:

dspace@dstest:/opt/DSpace/dspace$ mvn package -U
[INFO] Scanning for projects...
[INFO] ------------------------------------------------------------------------
[INFO] Reactor Build Order:
[INFO]
[INFO] DSpace Addon Modules                                               [pom]
[INFO] DSpace Kernel :: Additions and Local Customizations                [jar]
[INFO] DSpace Server Webapp:: Local Customizations                        [war]
[INFO] DSpace Assembly and Configuration                                  [pom]
[INFO]
[INFO] -------------------------< org.dspace:modules >-------------------------
[INFO] Building DSpace Addon Modules 7.0-beta4-SNAPSHOT                   [1/4]
[INFO] --------------------------------[ pom ]---------------------------------
[INFO]
[INFO] --- maven-enforcer-plugin:3.0.0-M3:enforce (enforce-java) @ modules ---
[INFO]
[INFO] --- maven-enforcer-plugin:3.0.0-M3:enforce (enforce-versions) @ modules ---
[INFO]
[INFO] --- xml-maven-plugin:1.0.2:validate (validate-ALL-xml-and-xsl) @ modules ---
[INFO]
[INFO] --------------------< org.dspace.modules:additions >--------------------
[INFO] Building DSpace Kernel :: Additions and Local Customizations 7.0-beta4-SNAPSHOT [2/4]
[INFO] --------------------------------[ jar ]---------------------------------
Downloading from central: https://repo.maven.apache.org/maven2/org/dspace/dspace-api/7.0-beta4-SNAPSHOT/maven-metadata.xml
Downloading from handle.net: https://handle.net/maven/org/dspace/dspace-api/7.0-beta4-SNAPSHOT/maven-metadata.xml
Downloading from maven-snapshots: https://oss.sonatype.org/content/repositories/snapshots/org/dspace/dspace-api/7.0-beta4-SNAPSHOT/maven-metadata.xml
Downloading from central: https://repo.maven.apache.org/maven2/org/dspace/dspace-api/7.0-beta4-SNAPSHOT/dspace-api-7.0-beta4-SNAPSHOT.pom
Downloading from maven-snapshots: https://oss.sonatype.org/content/repositories/snapshots/org/dspace/dspace-api/7.0-beta4-SNAPSHOT/dspace-api-7.0-beta4-SNAPSHOT.pom
Downloading from handle.net: https://handle.net/maven/org/dspace/dspace-api/7.0-beta4-SNAPSHOT/dspace-api-7.0-beta4-SNAPSHOT.pom
[WARNING] The POM for org.dspace:dspace-api:jar:7.0-beta4-SNAPSHOT is missing, no dependency information available
[WARNING] The POM for org.dspace:dspace-api:jar:tests:7.0-beta4-SNAPSHOT is missing, no dependency information available
Downloading from central: https://repo.maven.apache.org/maven2/org/dspace/dspace-api-lang/maven-metadata.xml
Downloading from maven-snapshots: https://oss.sonatype.org/content/repositories/snapshots/org/dspace/dspace-api-lang/maven-metadata.xml
Downloading from handle.net: https://handle.net/maven/org/dspace/dspace-api-lang/maven-metadata.xml
Downloaded from central: https://repo.maven.apache.org/maven2/org/dspace/dspace-api-lang/maven-metadata.xml (1.4 kB at 8.4 kB/s)
Downloaded from maven-snapshots: https://oss.sonatype.org/content/repositories/snapshots/org/dspace/dspace-api-lang/maven-metadata.xml (366 B at 578 B/s)
Downloading from central: https://repo.maven.apache.org/maven2/org/dspace/dspace-services/7.0-beta4-SNAPSHOT/maven-metadata.xml
Downloading from maven-snapshots: https://oss.sonatype.org/content/repositories/snapshots/org/dspace/dspace-services/7.0-beta4-SNAPSHOT/maven-metadata.xml
Downloading from handle.net: https://handle.net/maven/org/dspace/dspace-services/7.0-beta4-SNAPSHOT/maven-metadata.xml
Downloading from central: https://repo.maven.apache.org/maven2/org/dspace/dspace-services/7.0-beta4-SNAPSHOT/dspace-services-7.0-beta4-SNAPSHOT.pom
Downloading from maven-snapshots: https://oss.sonatype.org/content/repositories/snapshots/org/dspace/dspace-services/7.0-beta4-SNAPSHOT/dspace-services-7.0-beta4-SNAPSHOT.pom
Downloading from handle.net: https://handle.net/maven/org/dspace/dspace-services/7.0-beta4-SNAPSHOT/dspace-services-7.0-beta4-SNAPSHOT.pom
[WARNING] The POM for org.dspace:dspace-services:jar:7.0-beta4-SNAPSHOT is missing, no dependency information available
Downloading from central: https://repo.maven.apache.org/maven2/org/dspace/dspace-api/7.0-beta4-SNAPSHOT/dspace-api-7.0-beta4-SNAPSHOT.jar
Downloading from central: https://repo.maven.apache.org/maven2/org/dspace/dspace-api/7.0-beta4-SNAPSHOT/dspace-api-7.0-beta4-SNAPSHOT-tests.jar
Downloading from central: https://repo.maven.apache.org/maven2/org/dspace/dspace-services/7.0-beta4-SNAPSHOT/dspace-services-7.0-beta4-SNAPSHOT.jar
Downloading from maven-snapshots: https://oss.sonatype.org/content/repositories/snapshots/org/dspace/dspace-api/7.0-beta4-SNAPSHOT/dspace-api-7.0-beta4-SNAPSHOT.jar
Downloading from maven-snapshots: https://oss.sonatype.org/content/repositories/snapshots/org/dspace/dspace-api/7.0-beta4-SNAPSHOT/dspace-api-7.0-beta4-SNAPSHOT-tests.jar
Downloading from maven-snapshots: https://oss.sonatype.org/content/repositories/snapshots/org/dspace/dspace-services/7.0-beta4-SNAPSHOT/dspace-services-7.0-beta4-SNAPSHOT.jar
Downloading from handle.net: https://handle.net/maven/org/dspace/dspace-api/7.0-beta4-SNAPSHOT/dspace-api-7.0-beta4-SNAPSHOT.jar
Downloading from handle.net: https://handle.net/maven/org/dspace/dspace-api/7.0-beta4-SNAPSHOT/dspace-api-7.0-beta4-SNAPSHOT-tests.jar
Downloading from handle.net: https://handle.net/maven/org/dspace/dspace-services/7.0-beta4-SNAPSHOT/dspace-services-7.0-beta4-SNAPSHOT.jar
[INFO] ------------------------------------------------------------------------
[INFO] Reactor Summary for DSpace Assembly and Configuration 7.0-beta4-SNAPSHOT:
[INFO]
[INFO] DSpace Addon Modules ............................... SUCCESS [  3.281 s]
[INFO] DSpace Kernel :: Additions and Local Customizations  FAILURE [  7.469 s]
[INFO] DSpace Server Webapp:: Local Customizations ........ SKIPPED
[INFO] DSpace Assembly and Configuration .................. SKIPPED
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time:  11.395 s
[INFO] Finished at: 2020-09-29T14:18:41+01:00
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal on project additions: Could not resolve dependencies for project org.dspace.modules:additions:jar:7.0-beta4-SNAPSHOT: The following artifacts co              uld not be resolved: org.dspace:dspace-api:jar:7.0-beta4-SNAPSHOT, org.dspace:dspace-api:jar:tests:7.0-beta4-SNAPSHOT, org.dspace:dspace-services:jar:7.0-beta4-SNAPSHOT: Could               not find artifact org.dspace:dspace-api:jar:7.0-beta4-SNAPSHOT in central (https://repo.maven.apache.org/maven2) -> [Help 1]
[ERROR]
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR]
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/DependencyResolutionException
[ERROR]
[ERROR] After correcting the problems, you can resume the build with the command
[ERROR]   mvn <args> -rf :additions

Is it a problem with the authentication on the repository? Apologies, but my understanding of Maven is very limited. My .m2/settings.xml file is empty, and I do not know what to put in it.

I am not a programmer: I just need to get the WAR and deploy it on Tomcat.

Can someone help me with some spoonfeeding?

Thanks!
 
Stephan van Hulst
Saloon Keeper
Posts: 12419
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posted 3 weeks ago
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Welcome to CodeRanch!

Simply put, none of your configured repositories contain the 7.0-beta4 version of the various DSpace modules that you require.

How do you figure there's a 7.0-beta4 version at all? Can't you use version 7.0-beta3 or even better, version 6.3?
 
Diego Schiavon
Greenhorn
Posts: 13
posted 3 weeks ago
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Are you basely insinuating that I might have wasted precious hours of my life trying to compile the wrong version?

Well, it seems you are right. I downloaded 6.3 and only had to adjust the Java version. And now:

[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time:  01:42 min
[INFO] Finished at: 2020-09-29T21:00:13+01:00
 
Thanks!
 
Paul Clapham
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posted 3 weeks ago
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Diego Schiavon wrote:Are you basely insinuating that I might have wasted precious hours of my life trying to compile the wrong version?



Clearly you're not a programmer! Wasting precious hours wrestling with some picky technical detail is like a way of life for programmers.
 
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