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https://jira.codehaus.org/browse/MSITE-663?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=325024#comment-325024
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Jörg Schaible commented on MSITE-663:
-------------------------------------
Actually we face the same problem and it seems it has to do with the aether
integration in the site plugin, since the last site plugin version where this
works, is 3.0-beta-3.
> Build fails with message "Unable to read local module-POM"
> ----------------------------------------------------------
>
> Key: MSITE-663
> URL: https://jira.codehaus.org/browse/MSITE-663
> Project: Maven 2.x and 3.x Site Plugin
> Issue Type: Bug
> Affects Versions: 3.0, 3.1, 3.2
> Environment: MacOS, Cygwin, Linux
> Reporter: Shawn Brown
>
> Copied from
> http://stackoverflow.com/questions/11260717/non-resolvable-parent-pom-when-building-maven-3-project-site:
> ==================================
> I am currently facing the following problem with Maven 3 when I am trying to
> build the site. I will appreciate you help on this.
> {{mvn clean site}}
> {noformat}
> ..........
> [INFO] Reactor Summary:
> [INFO]
> [INFO] Project A ......................................... SUCCESS [15.383s]
> [INFO] Project B ......................................... SUCCESS [2.232s]
> [INFO] My Site ........................................... FAILURE [0.105s]
> [INFO]
> ------------------------------------------------------------------------
> [INFO] BUILD FAILURE
> [INFO]
> ------------------------------------------------------------------------
> [INFO] Total time: 24.769s
> [INFO] Finished at: Fri Jun 29 14:26:04 AMT 2012
> [INFO] Final Memory: 18M/150M
> [INFO]
> ------------------------------------------------------------------------
> [ERROR] Failed to execute goal
> org.apache.maven.plugins:maven-site-plugin:3.1:site (default-site) on project
> site: SiteToolException: Unable to read local module-POM: 1 problem was
> encountered while building the effective model for my.com:projA:0.1-SNAPSHOT
> [ERROR] [FATAL] Non-resolvable parent POM: Could not find artifact
> my.com:parent-pom:pom:0.1-SNAPSHOT and 'parent.relativePath' points at no
> local POM @ line 12, column 13
> [ERROR] for project my.com:projA:0.1-SNAPSHOT
> .............
> {noformat}
> First here is the configuration:
> {noformat}
> Apache Maven 3.0.4 (r1232337; 2012-01-17 12:44:56+0400)
> Java version: 1.7.0_04, vendor: Oracle Corporation
> Default locale: en_US, platform encoding: UTF-8
> OS name: "mac os x", version: "10.7.4", arch: "x86_64", family: "mac"
> Nexus repository: 2.0.6
> {noformat}
> The parent POM:
> {code:xml}
> <modelVersion>4.0.0</modelVersion>
> <name>Parent POM</name>
> <groupId>my.com</groupId>
> <artifactId>parent-pom</artifactId>
> <version>0.1-SNAPSHOT</version>
> <packaging>pom</packaging>
> <build>
> <pluginManagement>
> <plugins>
> <plugin>
> <groupId>org.apache.maven.plugins</groupId>
> <artifactId>maven-site-plugin</artifactId>
> <version>3.1</version>
> <configuration>
> <reportPlugins>
> <plugin>
> <groupId>org.apache.maven.plugins</groupId>
>
> <artifactId>maven-project-info-reports-plugin</artifactId>
> <version>2.4</version>
> </plugin>
> </reportPlugins>
> </configuration>
> </plugin>
> </plugins>
> </pluginManagement>
> </build>
> {code}
> The aggregation project pom:
> {code:xml}
> <modelVersion>4.0.0</modelVersion>
> <name>My Site</name>
> <groupId>my.com</groupId>
> <artifactId>site</artifactId>
> <version>0.1-SNAPSHOT</version>
> <packaging>pom</packaging>
> <parent>
> <groupId>my.com</groupId>
> <artifactId>parent-pom</artifactId>
> <version>0.1-SNAPSHOT</version>
> <relativePath/>
> </parent>
> <modules>
> <module>projA</module>
> <module>projB</module>
> </modules>
> {code}
> The pom of Project A:
> {code:xml}
> <modelVersion>4.0.0</modelVersion>
> <name>Project A</name>
> <groupId>my.com</groupId>
> <artifactId>projA</artifactId>
> <version>0.1-SNAPSHOT</version>
> <parent>
> <groupId>my.com</groupId>
> <artifactId>parent-pom</artifactId>
> <version>0.1-SNAPSHOT</version>
> <relativePath/>
> </parent>
> {code}
> The pom of Project B:
> {code:xml}
> <modelVersion>4.0.0</modelVersion>
> <name>Project B</name>
> <groupId>my.com</groupId>
> <artifactId>projB</artifactId>
> <version>0.1-SNAPSHOT</version>
> <parent>
> <groupId>my.com</groupId>
> <artifactId>parent-pom</artifactId>
> <version>0.1-SNAPSHOT</version>
> <relativePath/>
> </parent>
> {code}
> Here is the structure of the folder where I run "mvn clean site":
> {noformat}
> ./pom.xml (aggregation project)
> ./projA/pom.xml (Project A)
> ./projB/pom.xml (Project B)
> {noformat}
> parent-pom is successfully deployed to NEXUS repository before the execution
> of {{mvn clean site}} with following command:
> {{mvn deploy
> -DaltDeploymentRepository=snapshots::default::http://MyServer:8081/nexus/content/repositories/snapshots}}
> And finally the problem itself:
> When I run {{mvn clean site}} right after the deployment of parent-pom site
> is built successfully. If I delete the folder (with its content) "my" (it
> contains the parent-pom) from the local repository (~/.m2/repository) and
> then try to build the site with {{mvn clean site}} I am getting the error
> described at the beginning. Actually Maven downloads the parent-pom from the
> NEXUS. I have compared the downloaded files and files which have been
> generated after the deployment and have realized that few are missing, for
> instance maven-metadata-local.xml near to "0.1-SNAPSHOT" folder.
> So when I am trying to run the site building job from Jenkins I am getting
> the error described above, because the parent-pom is not deployed from the
> machine where Jenkins run.
> ==================================
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