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https://issues.apache.org/jira/browse/LUCENE-6297?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14337445#comment-14337445
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Michael McCandless commented on LUCENE-6297:
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Actually I think this is a non-issue: if you cast a too-large double to long in
java, it casts to Long.MAX_VALUE:
http://docs.oracle.com/javase/specs/jls/se7/html/jls-5.html#jls-5.1.3
I will add a test case and a comment about this ...
> LogByteSizeMergePolicy maxMergeSizeForForcedMerge default is negative
> ---------------------------------------------------------------------
>
> Key: LUCENE-6297
> URL: https://issues.apache.org/jira/browse/LUCENE-6297
> Project: Lucene - Core
> Issue Type: Bug
> Affects Versions: 4.10.3, 5.0
> Reporter: Toke Eskildsen
> Priority: Blocker
> Fix For: 4.10.4, Trunk
>
> Attachments: SOLR-7163.patch
>
>
> The default value for {{maxMergeSizeForForcedMerge}} in the class
> {{LogByteSizeMergePolicy}} is {{Long.MAX_VALUE*1024*1024}} which overflows
> and becomes -1048576.
> As far as I can see this results in forced merges always failing to merge,
> but frankly this is so far from my area of interest that I will not take the
> time to create a proper unit test.
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