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From "Jan-Peter Nilsson (JIRA)" <j...@apache.org>
Subject [jira] [Created] (KARAF-5637) karaf-maven-plugin:features-add-to-repository crash on features with circular dependencies
Date Thu, 22 Feb 2018 22:12:01 GMT
Jan-Peter Nilsson created KARAF-5637:
----------------------------------------

             Summary: karaf-maven-plugin:features-add-to-repository crash on features with
circular dependencies
                 Key: KARAF-5637
                 URL: https://issues.apache.org/jira/browse/KARAF-5637
             Project: Karaf
          Issue Type: Bug
          Components: karaf-tooling
    Affects Versions: 4.1.5, 4.1.4, 4.1.6
            Reporter: Jan-Peter Nilsson


The features-add-to-repository goal in the karaf-maven-plugin will go into an infinite recursion
in addFeaturesDependencies (until it runs out of stack) when given a feature descriptor that
contains features with circular dependencies.

A wild example of such a feature descriptor is mvn:org.ops4j.pax.cdi/pax-cdi-features/1.0.0/xml/features.

 

A reduced example
{code:xml}
<features name="test features" xmlns="http://karaf.apache.org/xmlns/features/v1.4.0">
    <feature name="FeatureA" description="Test Feature A" version="1.0.0">
        <feature version="1.0.0">FeatureB</feature>
    </feature>
    <feature name="FeatureB" description="Test Feature B" version="1.0.0">
        <feature version="1.0.0">FeatureA</feature>
    </feature>
</features>
{code}
{code:xml}
<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/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>

    <groupId>test</groupId>
    <artifactId>test-features-add-to-repository-circular-dependencies</artifactId>
    <version>1.0-SNAPSHOT</version>
    <packaging>pom</packaging>

    <build>
        <plugins>
            <plugin>
                <groupId>org.apache.karaf.tooling</groupId>
                <artifactId>karaf-maven-plugin</artifactId>
                <version>@pom.version@</version>
                <executions>
                    <execution>
                        <id>build-features-repo</id>
                        <phase>generate-resources</phase>
                        <goals>
                            <goal>features-add-to-repository</goal>
                        </goals>
                        <configuration>
                            <descriptors>
                                <descriptor>features.xml</descriptor>
                            </descriptors>
                            <repository>${project.build.directory}/features</repository>
                        </configuration>
                    </execution>
                </executions>
            </plugin>
        </plugins>
    </build>
</project>
{code}
This will crash the plugin
{noformat}
Exception in thread "main" java.lang.StackOverflowError
        at org.apache.karaf.tooling.features.AbstractFeatureMojo.getMatchingFeature(AbstractFeatureMojo.java:198)
        at org.apache.karaf.tooling.features.AbstractFeatureMojo.addFeaturesDependencies(AbstractFeatureMojo.java:188)
        at org.apache.karaf.tooling.features.AbstractFeatureMojo.addFeaturesDependencies(AbstractFeatureMojo.java:191)
        at org.apache.karaf.tooling.features.AbstractFeatureMojo.addFeaturesDependencies(AbstractFeatureMojo.java:191)
....{noformat}



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