[jira] [Created] (KARAF-6238) org.apache.karaf.profile.assembly.Builder#downloadLibraries is not synchronized

["Grzegorz Grzybek (JIRA)" <ji...@apache.org>]

Grzegorz Grzybek created KARAF-6238:
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             Summary: org.apache.karaf.profile.assembly.Builder#downloadLibraries is not synchronized
                 Key: KARAF-6238
                 URL: https://issues.apache.org/jira/browse/KARAF-6238
             Project: Karaf
          Issue Type: Bug
            Reporter: Grzegorz Grzybek
            Assignee: Grzegorz Grzybek
             Fix For: 4.2.5


I had strange case. Running:
{noformat}
for n in {1..100}; do
    mvn clean install -DskipTests -f /path/to/custom-karaf-distro
    cp /path/to/custom-karaf-distro/target/assembly/etc/config.properties /data/tmp/config-$n.properties
    cat /path/to/custom-karaf-distro/target/assembly/etc/config.properties | sort > /data/tmp/config-$n-sorted.properties
done
{noformat}

I was _usually_ getting the same config.propertie. But not always. Occasionally some extra packages were missing...

Long story short, downloader uses 8 threads and {{org.apache.karaf.profile.assembly.Builder#downloadLibraries()}} uses the download callback without any synchronization...



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