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https://issues.apache.org/jira/browse/LUCENE-3850?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13225133#comment-13225133
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Martijn van Groningen commented on LUCENE-3850:
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I've fixed most of the grouping compile warnings.
I now only see this warning during compilation:
warning: [options] bootstrap class path not set in conjunction with -source 1.6
> Fix rawtypes warnings for Java 7 compiler
> -----------------------------------------
>
> Key: LUCENE-3850
> URL: https://issues.apache.org/jira/browse/LUCENE-3850
> Project: Lucene - Java
> Issue Type: Improvement
> Affects Versions: 3.5, 4.0
> Reporter: Uwe Schindler
> Assignee: Uwe Schindler
> Fix For: 3.6, 4.0
>
> Attachments: LUCENE-3850-part1-branch3x.patch,
> LUCENE-3850-part1.patch, LUCENE-3850-part2.patch,
> LUCENE-3850-parts2-branch3x.patch
>
>
> Java 7 changed the warnings a little bit:
> - Java 6 only knew "unchecked" warning type, applying for all types of
> generics violations, like missing generics (raw types)
> - Java 7 still knows "unchecked" but only emits warning if the call is really
> unchecked. Declaration of variables/fields or constructing instances without
> type param now emits "rawtypes" warning.
> The changes above causes the Java 7 compile now emit lots of "rawtypes"
> warnings, where Java 6 is silent. The easy fix is to suppres both warning
> types: @SuppressWarnings({"unchecked","rawtypes"}) for all those places.
> Changes are easy to do, will provide patch later!
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