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From "Mikhail Loenko" <mloe...@gmail.com>
Subject Re: Re: Re: Re: [classlib][pack200] Status update
Date Thu, 10 Aug 2006 08:37:07 GMT
The test still fails.

I have not found any file named JustResources* in SVN.

The only pack file I've found is HelloWorld.pack

Do you remember who has added a JustResources there? Was it a JIRA issue
reported by you?

Thanks,
Mikhail

2006/8/10, Alex Blewitt <alex.blewitt@gmail.com>:
> Bizzare. I moved it, but it didn't get added. Or at least, I think so.
> I did discover why the file wasn't included though at my end ... it
> wasn't part of the change set, so wasn't included in the patch.
>
> I've re-generated the patch with it in this time and attached to
> Harmony-1019 ... is that any better?
>
> Alex.
>
> On 10/08/06, Alex Blewitt <alex.blewitt@gmail.com> wrote:
> > I believe that the JustResources.pack file was moved to a different
> > location, and so the test was updated to reflect that new location. I
> > saw the same problem myself ... can you confirm that there is a file
> > in the src/test/resources/o/a/h/a/t/i/p/JustResources.pack location? I
> > think that's where the segment ended up. I didn't actually move the
> > file ... someone else did IIRC.
> >
> > Alex.
> >
> >
> > On 10/08/06, Mikhail Loenko <mloenko@gmail.com> wrote:
> > > One more problem caused by the patch:
> > >
> > > java.lang.NullPointerException at
> > > org.apache.harmony.archive.internal.pack200.Segment.parseSegmentHeader(Segment.java:856)
> > > at org.apache.harmony.archive.internal.pack200.Segment.parseSegment(Segment.java:825)
> > > at org.apache.harmony.archive.internal.pack200.Segment.parse(Segment.java:83)
> > > at org.apache.harmony.archive.tests.internal.pack200.SegmentTest.testJustResources(SegmentTest.java:41)
> > > at java.lang.reflect.AccessibleObject.invokeV(AccessibleObject.java:25)
> > >
> > > Thanks,
> > > Mikhail
> > >
> > > 2006/8/10, Mikhail Loenko <mloenko@gmail.com>:
> > > > PopulationCodecTest is missing, but there are other new files in the patch.
> > > >
> > > > You can see all of them if open the patch with a text editor and seek
for
> > > > "(revision 0)" substring
> > > >
> > > > Thanks,
> > > > Mikhail
> > > >
> > > > 2006/8/9, Alex Blewitt <alex.blewitt@gmail.com>:
> > > > > Weird. I don't know what happened. I've attached PopulationCodec
(a
> > > > > new file) separately to the bug report. There's also BHSDCodec, which
> > > > > is new in the patch, as well as PopulationCodecTest. Are they there
> > > > > too?
> > > > >
> > > > > Alex.
> > > > >
> > > > > On 08/08/06, Mikhail Loenko <mloenko@gmail.com> wrote:
> > > > > > Hi Alex
> > > > > >
> > > > > > Thanks for the patch!
> > > > > >
> > > > > > I have a problem with integration: this classes
> > > > > >     org.apache.harmony.archive.internal.pack200.CodecEncoding
> > > > > > refers to the PopulationCodec class that seems to be missing
> > > > > >
> > > > > > I'm trying to apply 'patch' [1]. Am I doing anything wrong?
> > > > > >
> > > > > > Thanks,
> > > > > > Mikhail
> > > > > >
> > > > > > [1] http://issues.apache.org/jira/secure/attachment/12338321/patch
> > > > > >
> > > > > > 2006/8/8, Alex Blewitt <alex.blewitt@gmail.com>:
> > > > > > > I've been getting further towards the Pack200 implementation
with
> > > > > > > finishing off the codecs that are used to decode values
from the file.
> > > > > > > Although most of the default codecs were in place, the
pack200 spec
> > > > > > > allows for dynamic switching to arbitrary codecs should
the compressor
> > > > > > > warrant it, including a population-based encoding for (in)frequent
> > > > > > > values. I've submitted Harmony 1019 with the patch; if
someone could
> > > > > > > apply that, I'd be grateful.
> > > > > > >
> > > > > > > At present, the pack200 algorithm gets as far as the inner
class
> > > > > > > definitions, but I've still got to decode the annotations
and
> > > > > > > bytecode. I'm thinking that as a first-cut, I will ignore
any pack
> > > > > > > files with annotations in and plough through the bytecode
so that we
> > > > > > > can at least start using it for simple pack files.
> > > > > > >
> > > > > > > I've got a bit of work left to integrate the dynamic switching
of band
> > > > > > > encodings (but that's OK since most of the simple pack
files only use
> > > > > > > the default) that will involve a bit of refactoring, and
essentially
> > > > > > > then just the bytecode (as long as there are no annotations).
I don't
> > > > > > > think it will be too long before we can unpack simple files
on some of
> > > > > > > the lower-quality settings :-)
> > > > > > >
> > > > > > > Also, when I get around to implementing some of the coding
(as opposed
> > > > > > > to decoding), I'm pretty sure that some of the techniques
might be
> > > > > > > useful for compressing arbitrary data streams. It would
be interesting
> > > > > > > to see what other uses there are for the codecs.
> > > > > > >
> > > > > > > Onwards, upwards, and/or sideways,
> > > > > > >
> > > > > > > Alex.
> > > > > > >
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