Hi Jukka,
I've recently fixed an issue in WCS that prevented streaming, and made the
code load the whole source layer in memory.
Are you using recent nightly builds?
About the lack of error message, not sure what to say about it, if we
started
writing the tiff already there is no way to take it back and return a
proper error
message but you can configure the service strategy to "file", that might
help:
http://docs.geoserver.org/2.7.0/user/production/config.html#set-a-service-strategy
Cheers
Andrea
On Fri, Nov 6, 2015 at 1:42 PM, Rahkonen Jukka (MML) <
[email protected]> wrote:
> Hi,
>
> I have tried to find out why WCS GetCoverage from an image mosaic layer
> seems to be successful without errors but when I open the resulting
> GeoTIFF it is missing data. My request it hitting four granules in the
> mosaic and depending on my settings the GeoTIFF has either 1, 2, or three
> quarters filled with all black.
>
> Now it seems to me that my Geoserver is meeting the heap memory limit
> while it is trying to add some granules from the mosaic. That's OK, but
> instead of sending an exception Geoserver just continues with processing
> the GetCoverage request and finally it sends out a GeoTIFF that contains
> data from those granules it did manage to read without heap memory issue.
>
> Log from one GetCoverage request attached. It has two heap space errors on
> lines 162 and 451.
>
> ReadType=DIRECT_READ Resulting in no granule loaded: Empty result
> java.lang.OutOfMemoryError: Java heap space
>
> If my analysis is right wouldn't it be better to catch the first
> OutOfMemoryError and send an exception?
>
> -Jukka Rahkonen-
>
>
>
>
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