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https://issues.apache.org/jira/browse/LUCENE-6885?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14993551#comment-14993551
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Adrien Grand commented on LUCENE-6885:
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FYI I got this error a few times, and this is due to the fact that the Java 8
compiler is a bit smarter at guessing generic types. I think you can fix it by
making the generic type explicit in the Collections.emptyMap() call:
Collections.<String,Integer>emptyMap()
> StandardDirectoryReader (initialCapacity) tweaks
> ------------------------------------------------
>
> Key: LUCENE-6885
> URL: https://issues.apache.org/jira/browse/LUCENE-6885
> Project: Lucene - Core
> Issue Type: Task
> Reporter: Christine Poerschke
> Assignee: Christine Poerschke
> Priority: Minor
> Attachments: LUCENE-6885.patch, LUCENE-6885.patch
>
>
> proposed patch against trunk to follow
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