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From "Dawid Weiss (JIRA)" <j...@apache.org>
Subject [jira] [Reopened] (LUCENE-8642) RamUsageTester.sizeOf ignores arrays and collections if --illegal-access=deny
Date Thu, 17 Jan 2019 12:03:00 GMT

     [ https://issues.apache.org/jira/browse/LUCENE-8642?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Dawid Weiss reopened LUCENE-8642:
---------------------------------

Reopening for backports.

> RamUsageTester.sizeOf ignores arrays and collections if --illegal-access=deny
> -----------------------------------------------------------------------------
>
>                 Key: LUCENE-8642
>                 URL: https://issues.apache.org/jira/browse/LUCENE-8642
>             Project: Lucene - Core
>          Issue Type: Bug
>            Reporter: Dawid Weiss
>            Assignee: Dawid Weiss
>            Priority: Minor
>             Fix For: master (9.0)
>
>
> We have a silent fall-through on catch clause there if a field is inaccessible. This
causes all collections to not be recursively descended into.
> We could hack it so that collection objects are counted "manually". Or we could propagate
illegal access exception from ram tester, detect which tests/ objects do try to measure collection
objects and either remove them (if it's not possible to measure accurately) or change them
(if it is possible to estimate the size in a different way).
> Looking for feedback on this one.



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