Re: [thredds] issue with fileServer service

  • To: Christian Ward-Garrison <cwardgar@xxxxxxxx>
  • Subject: Re: [thredds] issue with fileServer service
  • From: Mark Maciolek <mlm@xxxxxxxxxx>
  • Date: Thu, 2 Jul 2015 06:24:57 -0400
hi,

I would have to move the web site to a new server as everything I read says thredds 4.6 require Java 7 and Tomcat 7. The current web server the site is on can't be upgraded since it would break the other tomcat sites.

The only error in the apache log is that /web/opal/webapps/ROOT/thredds/fileServer not found which is true but then /web/opal/webapps/ROOT/thredds/dodsC does not exist either but the OPENDAP links work.

Mark

On 7/2/2015 12:37 AM, Christian Ward-Garrison wrote:
Hi Mark,

I just noticed that you're running v4.3, which is quite old at this point. Would you mind trying 4.6.2? [1] This document may be useful. [2]

Also, I noticed that for your HTTPServer request, you're getting an Apache 404 page, not a Tomcat one. Maybe something in the Apache config is at fault?

Cheers,
Christian

[1] ftp://ftp.unidata.ucar.edu/pub/thredds/4.6/current/thredds.war
[2] http://www.unidata.ucar.edu/software/thredds/current/tds/UpgradingTo4.6.html


On Wed, Jul 1, 2015 at 7:26 PM, Mark Maciolek <mlm@xxxxxxxxxx <mailto:mlm@xxxxxxxxxx>> wrote:

    hi,

    Finally found time to try this again. I went back to plain
    catalog.xml with just test data.

    I noticed in the logs that I never see fileServer in the
    serverStartup.log but do see
    the opendap

    serverStartup: thredds.server.opendap.OpendapServlet
    initialization start
    2015-07-01T21:10:22.371-0400 [      1083][       1] INFO
    serverStartup: thredds.server.opendap.OpendapServlet version=
    opendap/3.7 ascLimit = 50 binLimit = 500
    2015-07-01T21:10:22.371-0400 [      1083][       1] INFO
    serverStartup: thredds.server.opendap.OpendapServlet
    initialization done

    Should I not see some thredds.server.??? about the fileServer

    The only http line is:

    serverStartup: CdmInit: HTTPFileCache.initCache= [10,20] scour = 1020

    So am I missing some folder from
    content/WEB-INF/classes/thredds/server/  ?

    Mark



    On 6/23/2015 5:53 PM, Christian Ward-Garrison wrote:
    Hi Mark,

    Yes, a catalog can have multiple datasetRoots. They can even have
    the same location—only their paths must differ. Here's an example
    from one of our catalogs:

    <datasetRoot path="localContent" location="content/testdata/"/>
      <datasetRoot path="testRestrictedDataset"
    location="content/testdata/"/>
      <datasetRoot path="cdmUnitTest" location="${cdmUnitTest}"/>

    As for your catalogs, they look good to me. I was able to load
    them into TDS and access them via "HTTPServer". All I had to do
    was create some dummy data and change the datasetScan location
    attributes to match my machine.

    I'm not sure why you're encountering these issues, but it may
    have to do with the filtering you've set up. For example, you
    have a datasetScan with
    location="/net/nfs/wilma/data3/odac/model/mm5/analysis" that
    includes only "*.grib" files. You need to make sure that such
    files are actually where you said they'd be, or else TDS won't
    generate a link in the Dataset page. Have you tested with dummy
    data files?

    Cheers,
    Christian

    On Tue, Jun 23, 2015 at 8:12 AM, Mark Maciolek <mlm@xxxxxxxxxx
    <mailto:mlm@xxxxxxxxxx>> wrote:

        hi,

        Attached my two catalog xml files, if someone would be kind
        enough to review them and point out any errors that prevents
        the fileServer service from working I would appreciate it.

        mark

        On 6/22/2015 7:50 PM, Christian Ward-Garrison wrote:
        Hi Mark,

        Both service definitions are fine. Rather, I suspect the
        problem is that you haven't defined a dataset root [1]. Here
        is a very basic example:

        <?xml version="1.0" encoding="UTF-8"?>
        <catalog name="Local TDS"
        xmlns="http://www.unidata.ucar.edu/namespaces/thredds/InvCatalog/v1.0";
                 version="1.0.6"
        xmlns:xlink="http://www.w3.org/1999/xlink";>
            <service name="http" serviceType="HTTPServer"
        base="/thredds/fileServer/"/>

            <datasetRoot path="my/data"
        location="C:/Users/cwardgar/dev/data" />

            <dataset name="A Test Dataset" ID="testDataset"
        urlPath="my/data/foo.nc <http://foo.nc>" >
        <serviceName>http</serviceName>
            </dataset>
        </catalog>

        I have a file at C:/Users/cwardgar/dev/data/foo.nc
        <http://foo.nc>that TDS serves at
        http://localhost:8080/thredds/fileServer/my/data/foo.nc. In
        the datasetRootelement, the path I've chosen is arbitrary;
        the location is not (unless I move the file).

        Cheers,
        Christian

        [1]
        
http://www.unidata.ucar.edu/software/thredds/current/tds/tutorial/BasicConfigCatalogs.html#ConfigCatalogs

        On Mon, Jun 22, 2015 at 12:19 PM, Mark Maciolek
        <mlm@xxxxxxxxxx <mailto:mlm@xxxxxxxxxx>> wrote:

            hi,

            Trying to get the thredds service fileServer working on
            our system
            thredds 4.3

            
http://www.opal.sr.unh.edu/thredds/catalog/opal_ts/WBD/catalog.html?dataset=opal_ts/WBD/WBD_2015.nc

              * /Data format:/netCDF
              * /Data size:/1.034 Mbytes
              * /Data type:/GRID
              * /ID:/opal_ts/WBD/WBD_2015.nc


            from the catalog.xml file:

             <service name="fileServer" serviceType="HTTPServer"
            base="/thredds/fileServer
            /"/>

            have also tried this:

            <service name="http" serviceType="HTTPServer"
            base="/thredds/fileServer/" />

            get 404 error

            there is nothing in the threddsServlet.log

            Is there another config file or xml file I should be
            looking at?

            mark

--
            Mark Maciolek
            Network Administrator
            Morse Hall Room 339
            603-862-3050 <tel:603-862-3050>
            https://www.unh.edu/research/support-units/research-computing-center


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--
        Mark Maciolek
        Network Administrator
        Morse Hall Room 339
        603-862-3050 <tel:603-862-3050>
        https://www.unh.edu/research/support-units/research-computing-center





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