Thank you very much for all the suggestions. We want to offer our users the
option to upload JPGs, but we might consider to re-code the image before
sending it to Geoserver. I assume the best option is Geotiff using tiles
and overviews.
@Jukka: I have tried several variation, such as renaming the .wld to .jgw,
the .jpg to .jpeg, including or excluding the .xml generated by gdal, etc.
No one worked.
In any case, I will open a ticket as suggested.
César
On 6 February 2016 at 12:17, Andrea Aime <[email protected]>
wrote:
> On Fri, Feb 5, 2016 at 6:30 PM, César Martínez Izquierdo <
> [email protected]> wrote:
>
>> Caused by: java.util.NoSuchElementException
>> at
>> com.sun.imageio.plugins.jpeg.ImageTypeIterator.next(JPEGImageReader.java:1722)
>> at
>> com.sun.imageio.plugins.jpeg.ImageTypeIterator.next(JPEGImageReader.java:1694)
>> at
>> org.geotools.coverage.grid.io.AbstractGridCoverage2DReader.setLayout(AbstractGridCoverage2DReader.java:1164)
>>
>
> By the looks of this error it seems that the Java own JPEG reader cannot
> recognize this JPEG variant.
>
> Never seen this error, but I agree with Jukka, serving world files is a
> recipe for slowness, there
> is no inner tiling, every time one has to go, read and un-compress the
> entire image even if
> the area of interest is a small bit.
>
> Anyways, as an alternative to try out, you could install the turbo-jpeg
> extension:
>
> http://docs.geoserver.org/latest/en/user/extensions/libjpeg-turbo/index.html
>
> It is advertised as an output format, but as far as I know the library
> also comes as a reader
> which might replace the Java built in one. You might give a go at it and
> see if this
> one car read your file.
>
> In any case, I'd open a ticket and attach a sample file that cannot be
> opened.
>
> Cheers
> Andrea
>
>
> --
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--
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César Martínez Izquierdo
GIS developer
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