dear BioC

I still have problem regarding biomart

if I run

> ensembl <- useMart("ensembl")
> ensembl_human <- useDataset("hsapiens_gene_ensembl", mart=ensembl)
> EnsTS <- getGene(id = as.vector(TS[,1]), type="entrezgene",
mart=ensembl_human)
Error in getBM(attributes = attrib, filters = type, values = id, mart =
mart) :
  Query ERROR: caught BioMart::Exception::Database: Could not connect to
mysql database ensembl_mart_61: DBI connect('database=ensembl_mart_61;host=
dcc-qa-db.oicr.on.ca;port=3306','bm_web',...) failed: Can't connect to MySQL
server on 'dcc-qa-db.oicr.on.ca' (113) at /srv/biomart_server/
biomart.org/biomart-perl/lib/BioMart/Configuration/DBLocation.pm line 98


I retrieve this error. how can I solve this???

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