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    Hi,<br>
    just to add that we received a similar report at the same time for
    CLARIN.SI, I guess the key is:<br>
    <pre wrap=""><a class="moz-txt-link-freetext" href="http://www.openarchives.org/OAI/2.0/rights.xsd:1">http://www.openarchives.org/OAI/2.0/rights.xsd:1</a>: parser error : Document is empty</pre>
    meaning that either OAI or Icinga had a glitch, but the error is
    then badly attributed to our repositories. <br>
    Best,<br>
    Tomaž<br>
    <br>
    PS: we also got a recovery mail sometime later.<br>
    <br>
    <div class="moz-cite-prefix">Ondřej Košarko je 07/04/2016 ob
      16:21 napisal:<br>
    </div>
    <blockquote
cite="mid:CAKsqstMfSOK8jNeFTpPReerUu5456p4f0X4bmTNV+0XANzOC3Q@mail.gmail.com"
      type="cite">
      <div dir="ltr">Hi,
        <div>could someone provide more details to the problem icinga is
          reporting below? We haven't noticed any issues ourselves,
          also <a moz-do-not-send="true" href="http://oai.clarin-pl.eu/">http://oai.clarin-pl.eu/</a>
          does not complain.</div>
        <div><br>
        </div>
        <div>Regards,</div>
        <div>Ondrej</div>
        <div><br>
          <div class="gmail_quote">---------- Forwarded message
            ----------<br>
            From: <span dir="ltr"><<a moz-do-not-send="true"
                href="mailto:nagios@clarin.fz-juelich.de"
                target="_blank">nagios@clarin.fz-juelich.de</a>></span><br>
            Date: 2016-04-07 7:03 GMT+02:00<br>
            Subject: ** PROBLEM Service Alert: LINDAT/OAI@LINDAT@<a
              moz-do-not-send="true"
              href="http://lindat.mff.cuni.cz/repository/oai/request"
              target="_blank">lindat.mff.cuni.cz/repository/oai/request</a>
            is CRITICAL **<br>
            To: <a moz-do-not-send="true"
              href="mailto:clarin-list@ufal.mff.cuni.cz" target="_blank">clarin-list@ufal.mff.cuni.cz</a><br>
            <br>
            <br>
            ***** Icinga *****<br>
            <br>
            Notification Type: PROBLEM<br>
            <br>
            Service: OAI@LINDAT@<a moz-do-not-send="true"
              href="http://lindat.mff.cuni.cz/repository/oai/request"
              rel="noreferrer" target="_blank">lindat.mff.cuni.cz/repository/oai/request</a><br>
            Host: LINDAT<br>
            Address: LINDAT<br>
            State: CRITICAL<br>
            <br>
            Date/Time: Thu Apr 7 07:03:24 CEST 2016<br>
            <br>
            Additional Info:<br>
            <br>
            curl exit status: 0<br>
            200<br>
            * Hostname was NOT found in DNS cache<br>
            *   Trying 195.113.20.140...<br>
            * Connected to <a moz-do-not-send="true"
              href="http://lindat.mff.cuni.cz" rel="noreferrer"
              target="_blank">lindat.mff.cuni.cz</a> (195.113.20.140)
            port 443 (#0)<br>
            * successfully set certificate verify locations:<br>
            *   CAfile: none<br>
              CApath: /etc/ssl/certs<br>
            * SSLv3, TLS handshake, Client hello (1):<br>
            } [data not shown]<br>
            * SSLv3, TLS handshake, Server hello (2):<br>
            { [data not shown]<br>
            * SSLv3, TLS handshake, CERT (11):<br>
            { [data not shown]<br>
            * SSLv3, TLS handshake, Server key exchange (12):<br>
            { [data not shown]<br>
            * SSLv3, TLS handshake, Server finished (14):<br>
            { [data not shown]<br>
            * SSLv3, TLS handshake, Client key exchange (16):<br>
            } [data not shown]<br>
            * SSLv3, TLS change cipher, Client hello (1):<br>
            } [data not shown]<br>
            * SSLv3, TLS handshake, Finished (20):<br>
            } [data not shown]<br>
            * SSLv3, TLS change cipher, Client hello (1):<br>
            { [data not shown]<br>
            * SSLv3, TLS handshake, Finished (20):<br>
            { [data not shown]<br>
            * SSL connection using ECDHE-RSA-AES256-GCM-SHA384<br>
            * Server certificate:<br>
            *  subject: C=CZ; L=Praha 1; O=Charles University in Prague;
            CN=<a moz-do-not-send="true"
              href="http://lindat.mff.cuni.cz" rel="noreferrer"
              target="_blank">lindat.mff.cuni.cz</a><br>
            *  start date: 2015-12-18 00:00:00 GMT<br>
            *  expire date: 2019-01-04 12:00:00 GMT<br>
            *  subjectAltName: <a moz-do-not-send="true"
              href="http://lindat.mff.cuni.cz" rel="noreferrer"
              target="_blank">lindat.mff.cuni.cz</a> matched<br>
            *  issuer: C=NL; ST=Noord-Holland; L=Amsterdam; O=TERENA;
            CN=TERENA SSL CA 3<br>
            *  SSL certificate verify ok.<br>
             GET //repository/oai/request?verb=Identify HTTP/1.1<br>
             User-Agent: curl/7.35.0<br>
             Host: <a moz-do-not-send="true"
              href="http://lindat.mff.cuni.cz" rel="noreferrer"
              target="_blank">lindat.mff.cuni.cz</a><br>
             Referer: <a moz-do-not-send="true"
              href="https://clarin.fz-juelich.de/icinga/"
              rel="noreferrer" target="_blank">https://clarin.fz-juelich.de/icinga/</a><br>
             Accept: application/xml<br>
            <br>
             HTTP/1.1 200 OK<br>
            * Server nginx/1.8.0 is not blacklisted<br>
             Server: nginx/1.8.0<br>
             Date: Thu, 07 Apr 2016 05:01:21 GMT<br>
             Content-Type: application/xml;charset=UTF-8<br>
             Transfer-Encoding: chunked<br>
             Connection: keep-alive<br>
             Access-Control-Allow-Origin: *<br>
             Access-Control-Allow-Credentials: true<br>
             Access-Control-Allow-Headers: Cache-Control, Pragma,
            Origin, Authorization, Content-Type, X-Requested-With<br>
             Access-Control-Allow-Methods: GET, PUT, POST<br>
            <br>
            { [data not shown]<br>
            * Connection #0 to host <a moz-do-not-send="true"
              href="http://lindat.mff.cuni.cz" rel="noreferrer"
              target="_blank">lindat.mff.cuni.cz</a> left intact<br>
            <br>
            <a moz-do-not-send="true"
              href="http://www.openarchives.org/OAI/2.0/rights.xsd:1"
              rel="noreferrer" target="_blank">http://www.openarchives.org/OAI/2.0/rights.xsd:1</a>:
            parser error : Document is empty<br>
            /etc/icinga/probes/OAI-PMH/rightsManifest.xsd:21: element
            include: Schemas parser error : Element {<a
              moz-do-not-send="true"
              href="http://www.w3.org/2001/XMLSchema%7Dinclude"
              rel="noreferrer" target="_blank"><a class="moz-txt-link-freetext" href="http://www.w3.org/2001/XMLSchema">http://www.w3.org/2001/XMLSchema</a>}include</a>:
            Failed to parse the XML resource <a moz-do-not-send="true"
              href="http://www.openarchives.org/OAI/2.0/rights.xsd"
              rel="noreferrer" target="_blank">http://www.openarchives.org/OAI/2.0/rights.xsd</a>.<br>
            WXS schema /etc/icinga/probes/OAI-PMH.xsd failed to compile<br>
            removed ‘/tmp/tmp.P8WxhvqPs7’<br>
            <br>
            <br>
            Service performance data:<br>
            <br>
             time_appconnect=0.103 time_connect=0.073
            time_namelookup=0.061 time_pretransfer=0.103
            time_redirect=0.000 time_starttransfer=0.315
            time_total=0.315 num_connects=1 num_redirects=0<br>
            <br>
            <br>
------------------------------------------------------------------------------------------------<br>
------------------------------------------------------------------------------------------------<br>
            Forschungszentrum Juelich GmbH<br>
            52425 Juelich<br>
            Sitz der Gesellschaft: Juelich<br>
            Eingetragen im Handelsregister des Amtsgerichts Dueren Nr.
            HR B 3498<br>
            Vorsitzender des Aufsichtsrats: MinDir Dr. Karl Eugen
            Huthmacher<br>
            Geschaeftsfuehrung: Prof. Dr.-Ing. Wolfgang Marquardt
            (Vorsitzender),<br>
            Karsten Beneke (stellv. Vorsitzender), Prof. Dr.-Ing. Harald
            Bolt,<br>
            Prof. Dr. Sebastian M. Schmidt<br>
------------------------------------------------------------------------------------------------<br>
------------------------------------------------------------------------------------------------<br>
            <br>
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          <br>
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    </blockquote>
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