Re: Compiler bug? "reference to addAll is ambiguous"

From:
"Oliver Wong" <owong@castortech.com>
Newsgroups:
comp.lang.java.programmer
Date:
Mon, 16 Jul 2007 11:17:47 -0400
Message-ID:
<v_Lmi.5754$K12.85822@wagner.videotron.net>
"Steven Simpson" <ss@domain.invalid> wrote in message
news:f7b7p3$1f6$1@news.freedom2surf.net...

Oliver Wong wrote:

reference to addAll is ambiguous, both method
addAll(java.util.Collection<? extends E>) in
java.util.Collection<capture#420 of ? super
gov.sc.eip.report.birt.items.ChangeRow> and method
addAll(java.util.Collection<? extends E>) in java.util.List<capture#420
of
? super gov.sc.eip.report.birt.items.ChangeRow> match


Could it be this?:

<http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6356673>

That's for a 1.5 version, but note the comments and one of the related
bugs. It's been present in all the 1.6 versions I've tried.


    It looks very similar to my issue, except that I think my situation is
much simpler than the part which goes "<L extends List<? super A>>";
instead, it's simply "List<? super ActualClassNotATypeVariable>"

As it's a List, perhaps you could try using addAll(int, ...) as a
workaround.


    I couldn't get the bug to reproduce on my machine, so I advised my
coworker to try updating to a newer version of Java. He hasn't told me
whether or not that made the problem go away. If it's still present, your
solution sounds like the least messy one so far.

    - Oliver

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