I just tested the alternate case :
- CORS turned on in threddsConfig.xml
- off in tomcat.
It seems to work.
Turning CORS on in both tomcat and thredds definitely does not play well - so
it seems to be one, or the other, but not both.
Cheers
===============================
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
===============================
> On 13 Feb 2016, at 9:20 AM, Ryan May <rmay@xxxxxxxx> wrote:
>
> Last time I tested, the threddsConfig CORS (which sets up our own internal
> CORSFilter) was both necessary and sufficient to get things to work on our
> test server, which uses apache proxying to run two separate TDS's (with two
> separate tomcat instances) on the machine. I'll double check that we don't
> have anything turned on elsewhere.
>
> Ryan
>
> On Fri, Feb 12, 2016 at 3:12 PM, Roy Mendelssohn - NOAA Federal
> <roy.mendelssohn@xxxxxxxx> wrote:
> My guess is that if you have the TDS running behind an Apache, that this will
> not be enough, that the Apache will block the CORS request. Yu probably need
> to enable CORA in Apache also.
>
> -Roy
>
> > On Feb 12, 2016, at 9:39 AM, Ryan May <rmay@xxxxxxxx> wrote:
> >
> > It *should* be enough just to uncomment the CORS config section in
> > threddsConfig.xml. That worked last time *I* checked. I'm hoping Adam's
> > problem was just a conflict between CORS built into TDS and CORS from
> > tomcat.
> >
> > Ryan
> >
> > On Fri, Feb 12, 2016 at 10:37 AM, Signell, Richard <rsignell@xxxxxxxx>
> > wrote:
> > So what's the cookbook procedure for someone who has a THREDDS Data
> > Server running and just wants to enable CORS on the THREDDS services
> > like WMS?
> >
> > -Rich
> >
> > On Fri, Feb 12, 2016 at 12:03 PM, John Caron <jcaron1129@xxxxxxxxx> wrote:
> > > Oh, I think im mixing up CORS with CAMS authentication.
> > >
> > > On Fri, Feb 12, 2016 at 9:23 AM, Ryan May <rmay@xxxxxxxx> wrote:
> > >>
> > >> 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
> > >
> > >
> > >
> > > _______________________________________________
> > > thredds mailing list
> > > thredds@xxxxxxxxxxxxxxxx
> > > For list information or to unsubscribe, visit:
> > > http://www.unidata.ucar.edu/mailing_lists/
> >
> >
> >
> > --
> > Dr. Richard P. Signell (508) 457-2229
> > USGS, 384 Woods Hole Rd.
> > Woods Hole, MA 02543-1598
> >
> >
> >
> > --
> > Ryan May, Ph.D.
> > Software Engineer
> > UCAR/Unidata
> > Boulder, CO
> > _______________________________________________
> > thredds mailing list
> > thredds@xxxxxxxxxxxxxxxx
> > For list information or to unsubscribe, visit:
> > http://www.unidata.ucar.edu/mailing_lists/
>
> **********************
> "The contents of this message do not reflect any position of the U.S.
> Government or NOAA."
> **********************
> Roy Mendelssohn
> Supervisory Operations Research Analyst
> NOAA/NMFS
> Environmental Research Division
> Southwest Fisheries Science Center
> ***Note new address and phone***
> 110 Shaffer Road
> Santa Cruz, CA 95060
> Phone: (831)-420-3666
> Fax: (831) 420-3980
> e-mail: Roy.Mendelssohn@xxxxxxxx www: http://www.pfeg.noaa.gov/
>
> "Old age and treachery will overcome youth and skill."
> "From those who have been given much, much will be expected"
> "the arc of the moral universe is long, but it bends toward justice" -MLK Jr.
>
>
>
>
> --
> Ryan May, Ph.D.
> Software Engineer
> UCAR/Unidata
> Boulder, CO
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