Henning Schmiedehausen created MNG-5722:
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Summary: maven splills exclude rules from one dependency to another
Key: MNG-5722
URL: https://jira.codehaus.org/browse/MNG-5722
Project: Maven
Issue Type: Bug
Components: Dependencies
Affects Versions: 3.2.3
Environment: mvn --version
Apache Maven 3.2.3 (33f8c3e1027c3ddde99d3cdebad2656a31e8fdf4;
2014-08-11T13:58:10-07:00)
Maven home: /home/hschmiedehausen/.apache-maven
Java version: 1.7.0_67, vendor: Oracle Corporation
Java home: /usr/lib/jvm/java-1.7.0-sun-1.7.0.67/jre
Default locale: en_US, platform encoding: UTF-8
OS name: "linux", version: "3.16.6-200.fc20.x86_64", arch: "amd64", family:
"unix"
Reporter: Henning Schmiedehausen
Attachments: exclude-dependency-bug.tar.gz
unpack the attached archive (note HAUS-2405 for possible problems here, the
file might be double-compressed). It contains four projects: projA - projD
for each project run "mvn clean install". All builds succeed
However, the resulting project D includes
projB -> jcl-over-slf4j
projC-component1 -> projC-component2 -> httpclient, which includes commons
logging
So the resulting project *should* fail with duplicate classes. However, the
build succeeds.
To make the build fail:
- remove the dependency on projB from projD and rebuild.
INFO] --- maven-duplicate-finder-plugin:1.0.9:check (default) @ projD ---
[INFO] Checking compile classpath
[WARNING] Found duplicate and different classes in
[commons-logging:commons-logging:1.1.3,org.slf4j:jcl-over-slf4j:1.7.7] :
[WARNING] org.apache.commons.logging.Log
[WARNING] org.apache.commons.logging.LogConfigurationException
[WARNING] org.apache.commons.logging.LogFactory
[WARNING] org.apache.commons.logging.impl.NoOpLog
[WARNING] org.apache.commons.logging.impl.SimpleLog
the separate dependency trees:
projB:
[INFO] group:projB:jar:1-SNAPSHOT
[INFO] \- group:projA:jar:1-SNAPSHOT:compile
[INFO] +- commons-lang:commons-lang:jar:2.6:compile
[INFO] \- org.apache.httpcomponents:httpclient:jar:4.3.6:compile
[INFO] +- org.apache.httpcomponents:httpcore:jar:4.3.3:compile
[INFO] \- commons-codec:commons-codec:jar:1.6:compile
projC-component1
[INFO] group:projC-component1:jar:1-SNAPSHOT
[INFO] \- group:projC-component2:jar:1-SNAPSHOT:compile
[INFO] \- org.apache.httpcomponents:httpclient:jar:4.3.6:compile
[INFO] +- org.apache.httpcomponents:httpcore:jar:4.3.3:compile
[INFO] +- commons-logging:commons-logging:jar:1.1.3:compile
[INFO] \- commons-codec:commons-codec:jar:1.6:compile
projC-component1 *should* include commons-logging which in turn should clash
with jcl-over-slf4j in projD (proojD depends on projB, projC-component1 and
jcl-over-slf4j). However, the presence of projB excludes commons-logging from
the dependencies in projC-component1.
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