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https://issues.apache.org/jira/browse/LUCENE-8077?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16276961#comment-16276961
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Michael McCandless commented on LUCENE-8077:
--------------------------------------------
Wow nice catch!
> Integer remainder modulo 1 problem in
> /core/src/java/org/apache/lucene/index/CheckIndex.java
> -----------------------------------------------------------------------------------------------
>
> Key: LUCENE-8077
> URL: https://issues.apache.org/jira/browse/LUCENE-8077
> Project: Lucene - Core
> Issue Type: Bug
> Components: core/index
> Affects Versions: 7.1
> Reporter: Xiaoshan Sun
> Labels: easyfix
> Original Estimate: 1m
> Remaining Estimate: 1m
>
> At /core/src/java/org/apache/lucene/index/CheckIndex.java: 2198
> The branch condition :
> {code:java}
> (i % 1 == 0)
> {code}
> is always true.
> Did you mean (exp & 1) or (exp % 2) instead?
> The related code is show below:
> {code:java}
> 2198: if (i % 1 == 0) {
> int doc2 = it2.nextDoc();
> if (doc != doc2) {
> throw new RuntimeException("dv iterator field=" + field + ":
> doc=" + doc + " was not found through advance() (got: " + doc2 + ")");
> }
> if (it2.docID() != doc) {
> throw new RuntimeException("dv iterator field=" + field + ":
> doc=" + doc + " reports wrong doc ID (got: " + it2.docID() + ")");
> }
> }
> }
> {code}
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