Hi Steffen,
is this still a problem? I just tried to reproduce it but the query seemed
to worked fine producing the following result:

HGNC symbol     Ensembl Gene ID
TP53    ENSG00000141510



a







On Thu, Oct 4, 2012 at 10:33 PM, Steffen Durinck <[email protected]> wrote:

> Hi Arek,
>
> biomaRt users are reporting the following error today.  Any query to the
> central BioMart server doesn't work.
> An example:
>
> <?xml version='1.0' encoding='UTF-8'?><!DOCTYPE Query><Query
>  virtualSchemaName = 'default' uniqueRows = '1' count = '0'
> datasetConfigVersion = '0.6' header='1' requestid= "biomaRt"> <Dataset name
> = 'hsapiens_gene_ensembl'><Attribute name = 'hgnc_symbol'/><Attribute name
> = 'ensembl_gene_id'/><Filter name = 'hgnc_symbol' value = 'TP53'
> /></Dataset></Query>
>
> gives:
>
> Query ERROR: caught BioMart::Exception::Database: Could not connect to
> mysql database ensembl_mart_68: DBI connect('database=ensembl_mart_68;host=
> bmdccdb.oicr.on.ca;port=3306','bm_web',...) failed: Host '
> bmdcc1.oicr.on.ca' is blocked because of many connection errors; unblock
> with 'mysqladmin flush-hosts' at /srv/biomart_server/
> biomart.org/biomart-perl/lib/BioMart/Configuration/DBLocation.pm line 98
>
> Any idea what is causing this?
>
> Cheers,
> Steffen
>
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