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https://issues.apache.org/jira/browse/IVY-1195?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12877177#action_12877177
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Stepan Koltsov commented on IVY-1195:
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* There are tons of build servers. Some people use simple cron + shell to build
projects.
* "Lib" build may not be yet scheduled, because SVN is not checked for new
version (but "app" is scheduled, because it lives in another SVN repository,
that is checked at different schedule)
* Buildserver may be building another version of "lib", and and this case build
of "app" should not be delayed
* It build of next version if "lib" is scheduled, build of "app" should not be
postponed
> feature request: retrying resolver wrapper
> ------------------------------------------
>
> Key: IVY-1195
> URL: https://issues.apache.org/jira/browse/IVY-1195
> Project: Ivy
> Issue Type: New Feature
> Components: Core
> Affects Versions: 2.1.0
> Reporter: Stepan Koltsov
>
> I'm requesting a retrying resolver.
> *description*
> Retrying resolver delegates resolution to configured child resolver. If child
> resolver fails, if requests child to perform a resolution again after some
> time.
> *example*
> {code}
> <resolvers>
> <retry name="default" timeout="5m" start="10s" exp="1.5">
> <svn .../>
> </retry>
> </resolvers>
> {code}
> In the example above, "default" resolver will try call SVN resolver to
> resolve dependencies, if SVN resolver fails, it will be called again after
> 10s, then after 15s, then after 27s, and so on, but not after 5 minutes after
> resolver start.
> *motivation*
> We have build server, that builds projects right after commit. Projects
> depend on concrete revisions of another projects, revisions are specified in
> ivy.xml (say, "app" depends on "lib"). Sometimes developers commit to
> dependent project "app" immediately after commit to the base project "lib".
> And in this case there is a high chance, that base project "lib" is not yet
> built (so artifact is not published) at the time of dependent project "app"
> ivy:resolve task run. So build of dependent project "app" fails.
> Retry task could resolve this situation: dependent project "app" build start
> will be delayed until completion of "lib" build.
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