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From "Grzegorz Grzybek (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (KARAF-3347) 'LATEST' placeholder is not resolved correctly for descriptors and repositories
Date Fri, 21 Jul 2017 13:31:00 GMT

     [ https://issues.apache.org/jira/browse/KARAF-3347?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Grzegorz Grzybek resolved KARAF-3347.
-------------------------------------
    Resolution: Fixed

> 'LATEST' placeholder is not resolved correctly for descriptors and repositories
> -------------------------------------------------------------------------------
>
>                 Key: KARAF-3347
>                 URL: https://issues.apache.org/jira/browse/KARAF-3347
>             Project: Karaf
>          Issue Type: Bug
>          Components: karaf-tooling
>    Affects Versions: 3.0.2
>            Reporter: Achim Finke
>            Assignee: Grzegorz Grzybek
>             Fix For: 4.2.0, 4.1.2
>
>
> I slightly modified Karaf's standard feature to give you an idea about the configuration
leading to faults (see inline comments).
> {code:xml}
> <build>
>     <plugins>
>         <plugin>
>             <groupId>org.apache.karaf.tooling</groupId>
>             <artifactId>karaf-maven-plugin</artifactId>
>             <version>3.0.2</version>
>             <extensions>true</extensions>
>             <executions>
>                 <execution>
>                     <id>features-add-to-repo</id>
>                     <phase>generate-resources</phase>
>                     <goals>
>                         <goal>features-add-to-repository</goal>
>                     </goals>
>                     <configuration>
>                         <descriptors>
>                             <-- LATEST won't work for descriptors.-->
>                             <descriptor>mvn:org.apache.karaf.features/standard-mod/LATEST/xml/features</descriptor>
>                         </descriptors>
>                         <features>
>                             <feature>http</feature>
>                         </features>
>                     </configuration>
>                 </execution>
>             </executions>
>         </plugin>
>     </plugins>
> </build>
> {code}
> {code:xml}
> <features xmlns="http://karaf.apache.org/xmlns/features/v1.2.1" name="standard-3.0.2">
>     <!-- LATEST won't work for repositories as artifacts are resolved by Maven but
not copied into Target folder (searching for LATEST placeholder instead of the version). -->
>     <repository>mvn:org.ops4j.pax.web/pax-web-features/LATEST/xml/features</repository>
>     <feature name="http" version="3.0.2" description="Implementation of the OSGI HTTP
Service" resolver="(obr)">
>         <feature version="[3.1.2,5)">pax-http</feature>
>         <!-- LATEST will work for bundles (guess this is the same than defining no
version) -->
>         <bundle start-level="30">mvn:org.apache.karaf.http/org.apache.karaf.http.core/LATEST</bundle>

>         <bundle start-level="30">mvn:org.apache.karaf.http/org.apache.karaf.http.command/LATEST</bundle>
>     </feature>
> </features>
> {code}
> I debugged into the Plugin and saw that the version information are already available
via the previously resolved descriptor but not taken when building the repoURI. 
> In a first attempt i adjusted the uri using the descriptor which made 'LATEST' work.
> {code:title=AbstractFeatureMojo.java|borderStyle=solid}
> protected void retrieveDescriptorsRecursively(String uri, Set<String> bundles,
Map<String, Feature> featuresMap) {
>     Artifact descriptor;
>     try {
>         descriptor = resourceToArtifact(uri, true);
>     } catch (MojoExecutionException e) {
>         throw new RuntimeException(e.getMessage(), e);
>     }
>     if (descriptor != null) {
>         // descriptor is resolved via Maven resolver ('latest'-Placeholder is replaced)
>         resolveArtifact(descriptor, remoteRepos);
>         descriptorArtifacts.add(descriptor);
>         // adjust uri with version information from descriptor as URI is not resolved
in the process (see subsequent comment)
>         uri = uri.toLowerCase();
>         uri = uri.replace("/latest/", "/" + descriptor.getBaseVersion() + "/");
>     }
>     if (includeMvnBasedDescriptors) {
>         bundles.add(uri);
>     }
>     // translateFromMaven-Method just parses URI into the right format, it does not any
resolving ('latest'-Placeholder won't be replaced)
>     URI repoURI = URI.create(translateFromMaven(uri.replaceAll(" ", "%20")));
>     Repository repo = new Repository(repoURI, defaultStartLevel);
>     for (Feature f : repo.getFeatures()) {
>         featuresMap.put(f.getName() + "/" + f.getVersion(), f);
>     }
>     if (resolveDefinedRepositoriesRecursively) {
>         for (String r : repo.getDefinedRepositories()) {
>             retrieveDescriptorsRecursively(r, bundles, featuresMap);
>         }
>     }
> }
> {code}



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