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From "Robert Munteanu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (OAK-7217) check public Oak APIs for references to Guava
Date Fri, 17 May 2019 13:50:00 GMT

    [ https://issues.apache.org/jira/browse/OAK-7217?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16842184#comment-16842184
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Robert Munteanu commented on OAK-7217:
--------------------------------------

That change is unfortunately neither source nor binary compatible. So we can not perform it
without breaking backwards compatibility. 

The explanation of the binary compatiblitiy that I found is somewhere under https://docs.oracle.com/javase/specs/jls/se12/html/jls-13.html,
where it says that 

{quote}The signature of a method must include all of the following as determined by ยง15.12.3:
* The simple name of the method
* The number of parameters to the method
* A symbolic reference to the type of each parameter
{quote}

If the types change, the method signature changes. If the signature changes, then it can no
longer link. If it no longer links, it's no longer binary compatible.

> check public Oak APIs for references to Guava
> ---------------------------------------------
>
>                 Key: OAK-7217
>                 URL: https://issues.apache.org/jira/browse/OAK-7217
>             Project: Jackrabbit Oak
>          Issue Type: Technical task
>            Reporter: Julian Reschke
>            Priority: Minor
>         Attachments: detect-api.diff, extract-guava.sh, fileutils-no-commons.diff, guava-global.log,
guava-public-v2.log, guava-public.log
>
>




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