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https://issues.apache.org/jira/browse/LUCENE-3850?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13222345#comment-13222345
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Uwe Schindler commented on LUCENE-3850:
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Btw, I also changed lots of non-rawtypes warnings like accessing static fields
on wrong type (subclass or more horrible, with instance). This was also
producing warning in Java 7.
> 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.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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