It's likely that the job creating the summary tree failed for some reason. Can 
you please look through your database for summary tree jobs and see if they 
have any standard out/err that could provide insight into the problem?

Thanks,
J.


On Mar 15, 2013, at 9:47 AM, Joachim Jacob | VIB | wrote:

> Hi all,
> 
> 
> Since the last updata of Galaxy, I was not able anymore to view newly added 
> tracks to existing or newly created visualisations.
> 
> In the webhandler, I have traced down this error:
> 
> 193.191.128.2 - - [14/Mar/2013:11:02:13 +0200] "GET 
> /api/datasets/407a09c0b5976b4e?hda_ldda=hda&data_type=converted_datasets_state&chrom=chr4
>  HTTP/1.1" 500 - 
> "http://galaxy.bits.vib.be/visualization/trackster?id=1ec2297821c7f2cb"; 
> "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/535.22+ (KHTML, like Gecko) 
> Chromium/17.0.963.56 Chrome/17.0.963.56 Safari/535.22+"
> galaxy.webapps.galaxy.api.datasets ERROR 2013-03-14 11:03:02,409 Error in 
> dataset API at listing contents: :
> Traceback (most recent call last):
>  File "/home/galaxy/galaxy-dist/lib/galaxy/webapps/galaxy/api/datasets.py", 
> line 41, in show
>    is_true( kwd.get( 'retry', False ) ) )
>  File "/home/galaxy/galaxy-dist/lib/galaxy/webapps/galaxy/api/datasets.py", 
> line 96, in _converted_datasets_state
>    if not data_provider.has_data( chrom ):
>  File 
> "/home/galaxy/galaxy-dist/lib/galaxy/visualization/data_providers/genome.py", 
> line 814, in has_data
>    st = summary_tree_from_file( self.converted_dataset.file_name )
>  File "/home/galaxy/galaxy-dist/lib/galaxy/visualization/tracks/summary.py", 
> line 114, in summary_tree_from_file
>    st = cPickle.load( st_file )
> EOFError
> 
> 
> 
> Thanks for any assistance,
> 
> Joachim
> 
> -- 
> Joachim Jacob
> 
> Rijvisschestraat 120, 9052 Zwijnaarde
> Tel: +32 9 244.66.34
> Bioinformatics Training and Services (BITS)
> http://www.bits.vib.be
> @bitsatvib
> 
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