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https://issues.apache.org/jira/browse/LUCENE-10364?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17470572#comment-17470572
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Uwe Schindler commented on LUCENE-10364:
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You don't understand me: What is wrong with somebody else except you sometimes
looks and manually reviews the code like I did? I spent the whole morning to
fix tests because of invalid automatic casts.
This stupid warning was just one small thing that I looked at and i wanted to
make sure we have no problem. So I read the DecimalDigitFilter and was happy. I
was just asking you about the UTR converter if you are sure that it only works
on decimal digits. Why do you try to disregard my work on reviewing some parts
and asking you for help? This is incredible!
> Prepare and update errorprone plugin for Java 17
> ------------------------------------------------
>
> Key: LUCENE-10364
> URL: https://issues.apache.org/jira/browse/LUCENE-10364
> Project: Lucene - Core
> Issue Type: Bug
> Components: general/build
> Reporter: Uwe Schindler
> Assignee: Uwe Schindler
> Priority: Major
> Time Spent: 50m
> Remaining Estimate: 0h
>
> When working on LUCENE-10283 and also SOLR-15876, we figured out that
> errorprone is now also able to run with Java 17, if we update it and if it
> runs inside Gradle's JVM. This was caused by the add-opens we did for
> Spotless previously.
> There is only one case where it does not work: If you run spotless in a
> forked compiler, because the Gradle options are not applied then. The new
> Spotless plugin can handle this, but it won't work with our customized build
> for some reason. So I changed the if clause a bit, so it wont run errorprone
> if you use a JDK-18 preview build with RUNTIME_JAVA_HOME.
> When updating the rules it also found new bugs, some of them were real
> problems:
> - some tests were comparing Longs as Floats. The resason for this was when
> Suggesters changed to use Longs instead of Floats. In a similar way sometimes
> we assign a long to a float score. The first on was easy to fix by removing
> the epssilon from the assertEquals, the latter was mostly adding an explicit
> cast (to make it clear in our scorers)
> - There were also some concurrent modification exceptions possible, i fixed
> this in test by making a clone before modifying. For those using a TreeMap it
> was fine.
> - It was complaining about Character#getNumericValue(): This is a good hint,
> but in our case we were only using DECIMAL digits. For DecimalDigitFilter
> this is fine. Maybe [~rmuir] should have a look at the unicode rules
> processing in GenerateUTR30DataFiles. Please don't see this as "Robert does
> not know Unicode", I just want to verify that the SuppressWarnings is fine,
> because I did not understand the code there. The problem is that
> UCharacter.getNumericValue() returns values outside 0..9 for roman numbers
> like 50. So adding it to the character '0' (0x30) to generate ASCII digit is
> not a good idea. DecimalDigitFilter does not do this, but for
> GenerateUTR30DataFiles I am unsure. So this should be verified!
> - Some equals() methods were comparing primitives with Objects.equals(). This
> causes boxing and should be avoided (although Hotspot removes this after
> enough iterations)
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