Re: Problems building cayenne-src-1.1M3.tar.gz from source and unexpected error using prebuilt jar

From: Andrus Adamchik (andru..bjectstyle.org)
Date: Tue Mar 09 2004 - 11:47:12 EST

  • Next message: Mike Kienenberger: "Re: Problems building cayenne-src-1.1M3.tar.gz from source and unexpected error using prebuilt jar"

    You are right, I missed the point here... need more coffee.

    Just checked collections JavaDocs, and indeed in 2.1
    IteratorUtils.singletonIterator returms Iterator, while in 3.0 it
    returns a subclass - ResettableIterator. So much for backwards
    compatibility....

    Maybe we should rollback to 2.1... Shouldn't be a big deal. Anyone
    other opinion on that?

    Andrus

    On Mar 9, 2004, at 11:40 AM, Mike Kienenberger wrote:

    >> On Mar 9, 2004, at 5:08 AM, Tore Halset wrote:
    >>> I got this error when running cayenne-1.0.6 with
    >>> commons-collections-3.0:
    >>> java.lang.NoSuchMethodError:
    >>> org.apache.commons.collections.IteratorUtils.singletonIterator(Ljava/
    >>> lang/Object;)Ljava/util/Iterator;
    >>> at
    >>> org.objectstyle.cayenne.map.ObjAttribute.getDbPathIterator(ObjAttribu
    >>> te
    >>> .java:140)
    >
    > Andrus Adamchik <andru..bjectstyle.org> wrote:
    >> This is expected. 1.0.6 is "stable" release after all, and we didn't
    >> upgrade any libraries.
    >
    > The claim was that Collections 3.0 should be backwards-compatible to
    > Collections 2.1. Why would it be expected that things would break if
    > Tore
    > upgraded from 2.1 to 3.0? I'd say it's a sign it's not
    > backwards-compatible.
    >
    > -Mike
    >

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