Hi all
I solved my own problem. CORS works for thredds catalogues if I enable a CORS
filter in tomcat, and comment out the CORS section in threddsConfig.xml.
thredds = 4.5.5 - 20150306.1537
tomcat = 7.0.65.0
OS = CentOS 6.7
Cheers
Adam
> On 11 Feb 2016, at 11:10 AM, Adam Steer <Adam.Steer@xxxxxxxxxx> wrote:
>
> Hi all
>
> I’m new at thredds - and diving straight into attempting to get data from a
> thredds server to appear on worldwindserver.net. I’m failing at googling up a
> result, so I hope this hasn’t been covered somewhere here recently.
>
> if I try to add a server at worldwindserver.net with the form:
>
> http://ip.address/thredds/wms/gb6/ocean_eta_1993_03.nc?service=WMS&version=1.3.0&request=GetCapabilities
>
> ….worldwindserver.net tells me 'Failed to retrieve WMS capabilities from
> [URL]:….’.
>
> I’ve been pursuing the line that it may be a CORS issue, so I’ve followed
> Apache’s instructions and added the following to webxml:
> ---
> <filter>
> <filter-name>CorsFilter</filter-name>
> <filter-class>org.apache.catalina.filters.CorsFilter</filter-class>
> <init-param>
> <param-name>cors.allowed.methods</param-name>
> <param-value>GET</param-value>
> </init-param>
> <init-param>
> <param-name>cors.exposed.headers</param-name>
>
> <param-value>Access-Control-Allow-Origin,Access-Control-Allow-Credentials</param-value>
> </init-param>
>
> </filter>
> <filter-mapping>
> <filter-name>CorsFilter</filter-name>
> <url-pattern>/*</url-pattern>
> </filter-mapping>
>
> ---
> …and enabled the CORS element in threddsConfig.xml:
> ---
> <CORS>
> <enabled>true</enabled>
> <maxAge>1728000</maxAge>
> <allowedMethods>GET</allowedMethods>
> <allowedHeaders>*</allowedHeaders>
> <allowedOrigin>*</allowedOrigin>
> </CORS>
> ---
> (set allowedHeaders to *, not sure if this is advisable or correct!)
>
> However, the result from worldwindserver.net is unchanged.
>
> Also - using this service: http://client.cors-api.appspot.com/client
>
> …tells me that CORS is not enabled on my thredds catalogue.
>
> Tomcat is hard restarted after both changes, I’m wondering if there is
> anywhere else I should look, or make changes.
>
> …or, does anyone have a thredds catalogue which is successfully serving WMS
> data to worldwindserver, and is happy to share bits of config files?
>
> Thanks
>
> Adam
>
>
> ===============================
> Adam Steer
> Earth Systems Data Service Specialist
> National Computational Infrastructure
> Leonard Huxley Building, Mills Road
> The Australian National University
> Canberra, ACT, 0200 Australia
> +61 2 6125 1413
> adam.steer@xxxxxxxxxx
> ===============================
>
>
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