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Actually, the part Adam mentions in threddsConfig.xml is something I added fall 2014, specifically so I could hit our thredds server from javascript running elsewhere. Something to dig into when I get a chance.... Ryan On Thu, Feb 11, 2016 at 5:15 PM, John Caron <jcaron1129@xxxxxxxxx> wrote: > Thanks for the info. Yes, that CORS section in TDS war.xml is ancient. > > On Thu, Feb 11, 2016 at 5:05 PM, Adam Steer <Adam.Steer@xxxxxxxxxx> wrote: > >> 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 >> > =============================== >> > >> > >> > _______________________________________________ >> > thredds mailing list >> > thredds@xxxxxxxxxxxxxxxx >> > For list information or to unsubscribe, visit: >> http://www.unidata.ucar.edu/mailing_lists/ >> >> _______________________________________________ >> thredds mailing list >> thredds@xxxxxxxxxxxxxxxx >> For list information or to unsubscribe, visit: >> http://www.unidata.ucar.edu/mailing_lists/ >> > > > _______________________________________________ > thredds mailing list > thredds@xxxxxxxxxxxxxxxx > For list information or to unsubscribe, visit: > http://www.unidata.ucar.edu/mailing_lists/ > -- Ryan May, Ph.D. Software Engineer UCAR/Unidata Boulder, CO
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