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When I start it I get a message that the catalog is not valid.

Submitted by jimg on Wed, 05/11/2011 - 16:55

When I start my Aggregation Server, I get the following:

DEBUG: AggServer: CatalogServlet copy 
/usr/local/jakarta-tomcat/webapps/thredds/initialContent/dodsC/ to 
/usr/local/jakarta-tomcat-4.1.27-LE-jdk14/content/thredds/dodsC/ (04-04-19
10:57:08 )
DEBUG: AggServer: catalog config 
is not valid (04-04-19 10:57:09 )

From: Tony Jolibois <tjolibois at>

The error didn't come from the catalog itself, but from the network configuration of my computer. In the configuration catalog of the AS server, there are some http URLs:

<!DOCTYPE catalog SYSTEM ""> 
<catalog name="MERCATOR DODS Aggregation Server Catalog" version="0.6" 

My environment was this: I have a firewall, and my computer was not open to Internet, so it could not connect to the two sites and I tested the local copy of AggServerCatalog.dtd and InvCatalog.0.6.dtd but it didn't work.

After opening the connection to these two URLs at the firewall, all works fine now.

Conclusion: if your computer cannot connect to these sites, you won't be able to run an Aggregating server.

Thanks Tony for tracking this down and providing this FAQ!