--- Doug Cutting <[EMAIL PROTECTED]> wrote:
> Eric Isakson wrote:
> > I hadn't heard any discussion about bumping up to
> Java 1.4 in the Lucene 1.4 release. Was this just
> overlooked or are we planning to drop support for
> pre 1.4 JVMs?
>
> There hasn't been any discussion yet, so, by
> default, we should still
> try to make things work in Java 1.2.
>
> That said, maybe we should have such a discussion.
> Folks have been
> encountering strange bugs using Lucene in Java 1.3
> recently. There are
> some features of Java 1.4 which could be useful,
> e.g., LinkedHashMap,
> for easy implementation of LRU caches, regex
> support, logging, xml
> parsers, etc. So there are good reasons to move to
> 1.4.
>
> Are there reasons not to move to 1.4? 1.4 has been
> out for two years
> now, and is pretty stable, but perhaps there are
> reasons some folks are
> still unable to use it. If so, please speak up.
>
> Doug
I'd be in support of moving to 1.4 if I wasn't
developing for WebSphere. IBM's WebSphere 4 is in
very wide use and uses 1.3.1.
However, I've already worked around the regexp stuff
in FieldSortedHitQueue by replacing it with
Integer.parseInt(..) and Float.parseFloat(..),
removing the 1.4 depenency. i.e, replaced:
if (pIntegers.matcher(termtext).matches())
return IntegerSortedHitQueue.comparator (reader,
enumerator, field);
else if (pFloats.matcher(termtext).matches())
return FloatSortedHitQueue.comparator (reader,
enumerator, field);
with:
try {
int i = Integer.parseInt(termtext);
return IntegerSortedHitQueue.comparator (reader,
enumerator, field);
} catch (NumberFormatException e) {}
try {
float f = Float.parseFloat(termtext);
return FloatSortedHitQueue.comparator (reader,
enumerator, field);
} catch (NumberFormatException e) {}
regards,
jamie
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