[Commented] (WAGON-567) Wagon should retry download on server side errors

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[Commented] (WAGON-567) Wagon should retry download on server side errors

Stephane Landelle (Jira)

    [ https://issues.apache.org/jira/browse/WAGON-567?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16948112#comment-16948112 ]

xueqian zhang commented on WAGON-567:
-------------------------------------

Updated the links

> Wagon should retry download on server side errors
> -------------------------------------------------
>
>                 Key: WAGON-567
>                 URL: https://issues.apache.org/jira/browse/WAGON-567
>             Project: Maven Wagon
>          Issue Type: New Feature
>          Components: wagon-http
>            Reporter: xueqian zhang
>            Priority: Minor
>             Fix For: waiting-for-feedback
>
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> Currently wagon has a retry mechanism when there are connections issues with repository manager like maven central, artifactory or nexus, see [wagon source|https://github.com/apache/maven-wagon/blob/dfd22586b6b934aa5a652ca32d57ed26067432fd/wagon-providers/wagon-http-shared/src/main/java/org/apache/maven/wagon/shared/http/AbstractHttpClientWagon.java#L393] and [httpclient source|https://github.com/apache/httpcomponents-client/blob/4.5.x/httpclient/src/main/java/org/apache/http/impl/execchain/RetryExec.java#L90], [httpclient default retry handler|https://github.com/apache/httpcomponents-client/blob/4.5.x/httpclient/src/main/java/org/apache/http/impl/client/DefaultHttpRequestRetryHandler.java#L154]. However,  it only captures low level connection issues. When the repo returns errors like 500 or 503, it does not retry. The 5xx response from the repo might be a blip and maven should retry before giving up.



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