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https://issues.apache.org/jira/browse/KARAF-4773?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15636983#comment-15636983
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ASF subversion and git services commented on KARAF-4773:
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Commit e4f9ead54c348d206ddedb3fd54444ec9fbf1cb8 in karaf's branch
refs/heads/master from [~gzres]
[ https://git-wip-us.apache.org/repos/asf?p=karaf.git;h=e4f9ead ]
[KARAF-4773] AbstractRetryableDownloadTask is smarter with pax-url-aether 2.5.0
> Leverage smart download retries from pax-url-aether 2.5.0
> ---------------------------------------------------------
>
> Key: KARAF-4773
> URL: https://issues.apache.org/jira/browse/KARAF-4773
> Project: Karaf
> Issue Type: Improvement
> Components: karaf-feature
> Affects Versions: 4.0.7
> Reporter: Grzegorz Grzybek
> Assignee: Grzegorz Grzybek
> Fix For: 4.1.0
>
>
> https://ops4j1.jira.com/browse/PAXURL-337 adds _smart_ mechanism for
> consecutive download/resolution attempts.
> For example, if {{org.ops4j.pax.url.mvn.repositories}} defines 10
> repositories and 9 of them return HTTP 404 and 10th repository gives us
> "socket timeout", additional resolution attempt doesn't have to check those 9
> repositories.
> Also {{AbstractRetryableDownloadTask}} uses (by default) [9
> retries|https://github.com/apache/karaf/blob/master/features/core/src/main/java/org/apache/karaf/features/internal/download/impl/AbstractRetryableDownloadTask.java#L32].
> Even if this may be configured, retry task was designed for such problems as
> timeouts, or temporary unavailability of e.g., {{mvn:}} protocol handler.
> Using 9 attempts (with exponentially increasing delay) is not the right way
> to handle simple ArtifactNotFoundException...
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