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From "Thomas Neidhart (JIRA)" <>
Subject [jira] [Commented] (COLLECTIONS-414) Collections does not compile with openjdk 1.6.0_24
Date Sat, 23 Jun 2012 13:32:42 GMT


Thomas Neidhart commented on COLLECTIONS-414:

This is related to the following bugs:
> Collections does not compile with openjdk 1.6.0_24
> --------------------------------------------------
>                 Key: COLLECTIONS-414
>                 URL:
>             Project: Commons Collections
>          Issue Type: Bug
>    Affects Versions: Nightly Builds
>            Reporter: Thomas Neidhart
>             Fix For: 4.0
> There are several classes for which generic type inference does not work when using the
openjdk 1.6.0_24 compiler:
> {noformat}
> [ERROR] /home/tn/workspace/apache/commons-collections/src/main/java/org/apache/commons/collections/functors/[66,38]
invalid inferred types for T; actual arguments do not conforms to inferred formal arguments
> [ERROR] required: org.apache.commons.collections.Predicate<? super java.lang.Object>[]
> [ERROR] found: org.apache.commons.collections.Predicate<? super T>[]
> {noformat}
> This is mainly due to re-using a method argument that is restricted by Predicate<?
super T> to assign methods results of type Predicate<T>.
> The eclipse compiler does not report an error in these cases.

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