[BioC] BiomaRt connection error

[Wu, Xiwei]

Dear list: 

I just installed biomaRt1.4.0, RMySQL, and DBI. I am using R2.2.0 with
BioC 1.7. I got error message when trying to connect mart:

> mart <- martConnect()
Error in mysqlNewConnection(drv, ...) : RS-DBI driver: (could not
connect anonymous at ensembldb.ensembl.org on dbname "(null)")

Or

> marts <- listMarts()
Error in mysqlNewConnection(drv, ...) : RS-DBI driver: (could not
connect anonymous at ensembldb.ensembl.org on dbname "(null)")

IS there any special settings that I missed? Any help will be highly
appreciated.

Xiwei Wu, MD, PhD 
Assistant Research Scientist
Department of Biomedical Informatics
Beckman Research Institute
City of Hope National Medical Center
Duarte, CA 91010

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