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https://issues.apache.org/jira/browse/KARAF-6238?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16817866#comment-16817866
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Grzegorz Grzybek commented on KARAF-6238:
-----------------------------------------
{noformat}
13:09 $ git push origin master karaf-4.2.x
Enumerating objects: 37, done.
Counting objects: 100% (28/28), done.
Delta compression using up to 8 threads
Compressing objects: 100% (11/11), done.
Writing objects: 100% (15/15), 1.41 KiB | 723.00 KiB/s, done.
Total 15 (delta 6), reused 0 (delta 0)
remote: Resolving deltas: 100% (6/6), completed with 5 local objects.
To github.com:apache/karaf.git
c5261ca393..f820890551 karaf-4.2.x -> karaf-4.2.x
6cebdea353..24eb7a7b09 master -> master
{noformat}
> 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
> Priority: Blocker
> Fix For: 4.3.0, 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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