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http://jira.codehaus.org/browse/MNG-3689?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=143612#action_143612
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Paul Taylor commented on MNG-3689:
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Having talked this issue through with a colleague : the following may be help
to clarrify the issue.
a->b->c
x->b->c
c == servlet-api b = commons-logging, a == spring-ws-core, x == spring-core
Believe this might be an incorrect edge case of MNG-1797 where the scope
of the exclusion is being applied incorrectly.
> Dependency excludes applies to subsequent dependencies
> ------------------------------------------------------
>
> Key: MNG-3689
> URL: http://jira.codehaus.org/browse/MNG-3689
> Project: Maven 2
> Issue Type: Bug
> Components: Dependencies
> Affects Versions: 2.0.7, 2.0.8, 2.0.9
> Environment: WinXP - Sun JDK-1.5.0_15
> Reporter: Paul Taylor
>
> Dependency exclusions seem to be in-correctly scoped and so are applying
> to subsequent dependencies at the same level. This results in dependencies
> being 'removed' when new dependencies are 'added'.
> The issue is apparent in the pom below which use spring-ws-core and
> spring-core,
> which both use the commons-logging-1.1. Commons-logging 1.1 erroneously
> includes servlet-api - a fact which spring-ws-core attempts to resolve with
> exclusions.
> a pom which ''only'' has spring-core as a dependency pulls in servlet-api.
> the addition of spring-ws-core has the effect of 'removing' commons-logging.
> This behaviour occurs under maven 2.0.8.
> Under maven 2.0.9 it is 'dependency order dependant' - swapping the pair
> of spring-core and spring-ws-core highlights or hides the erroneous behaviour.
> <?xml version="1.0" encoding="UTF-8"?>
> <project xmlns="http://maven.apache.org/POM/4.0.0";
> xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
> xsi:schemaLocation="http://maven.apache.org/POM/4.0.0
> http://maven.apache.org/maven-v4_0_0.xsd";>
> <modelVersion>4.0.0</modelVersion>
> <groupId>a.b.c.d</groupId>
> <artifactId>maven-minimal</artifactId>
> <name>maven-minimal</name>
> <version>1.0-SNAPSHOT</version>
> <dependencies>
> <dependency>
> <groupId>org.springframework.ws</groupId>
> <artifactId>spring-ws-core</artifactId>
> <version>1.0.3</version>
> </dependency>
> <dependency>
> <groupId>org.springframework</groupId>
> <artifactId>spring-core</artifactId>
> <version>2.0.7</version>
> </dependency>
> </dependencies>
> </project>
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