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    <div class="moz-cite-prefix">Hi Balz<br>
      <br>
      Thanks very much for your feedback!<br>
      <br>
      I just found an alternative Elasticsearch client, which has no
      Lucene dependencies<br>
      <br>
<a class="moz-txt-link-freetext" href="https://www.elastic.co/guide/en/elasticsearch/client/java-rest/current/_initialization.html">https://www.elastic.co/guide/en/elasticsearch/client/java-rest/current/_initialization.html</a><br>
      <br>
      but I think we should upgrade Lucene anyway and your suggestions
      below make a lot of sense!<br>
      <br>
      Thanks very much<br>
      <br>
      Michael<br>
      <br>
      Am 15.08.17 um 17:02 schrieb basZero:<br>
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cite="mid:CAOXzDSE7=sZ+9huE2-w=f6V4i3P-5_0NDG=iA6PiWsdU1aFfQQ@mail.gmail.com"
      type="cite">
      <div dir="ltr">Hurray!!!
        <div>I proposed the same thing in 2013:</div>
        <div><a moz-do-not-send="true"
            href="https://github.com/wyona/yarep/issues/6">https://github.com/wyona/yarep/issues/6</a><br>
        </div>
        <div><br>
        </div>
        <div>It would be great to see Lucene 6 in yanel.</div>
        <div><br>
        </div>
        <div>Regarding source code repository of yanel/yarep etc., here
          my thought:</div>
        <div>- I would create a new branch "lucene2.9.2" in all
          repositories of the current latest status. This way, people
          who want to work with this latest version and lucene 2.9.2 can
          still get the code very easily.</div>
        <div>- The master branch would then be upgraded to use Lucene 6.</div>
        <div><br>
        </div>
        <div>Some other remarks:</div>
        <div>- Lucene 6 runs on Java 1.8 or later. So make sure all old
          dependencies are upgraded as well! (in all repositories like
          yarep, security etc.)</div>
        <div>- The index of 2.9.2 won't be compatible, Lucene only
          guarantees compatibility within the same major release (e.g.
          6.0.0 and 6.6.0 will have the same index format).</div>
        <div><br>
        </div>
        <div>The upgrade must be done carefully, because I currently
          don't see what libraries Lucene is depending on (e.g. Log4j,
          apache commons stuff...), I assume that many libs currently in
          yanel (which are out of date) will have to be upgraded as
          well. Example: yanel uses log4j 2.0 beta8 ... Lucene 6 will
          most probably not use a beta version :-) so an upgrade to
          log4j 2.5 is most probably required.</div>
        <div><br>
        </div>
        <div><br>
        </div>
        <div><br>
        </div>
        <div>Cheers, Balz</div>
        <div class="gmail_extra"><br>
          <div class="gmail_quote">On Tue, Aug 15, 2017 at 4:45 PM,
            Michael Wechner <span dir="ltr"><<a
                moz-do-not-send="true"
                href="mailto:michael.wechner@wyona.com" target="_blank"><a class="moz-txt-link-abbreviated" href="mailto:michael.wechner@wyona.com">michael.wechner@wyona.com</a></a>></span>
            wrote:<br>
            <blockquote class="gmail_quote" style="margin:0px 0px 0px
              0.8ex;border-left:1px solid
              rgb(204,204,204);padding-left:1ex">Hi Together<br>
              <br>
              I have recently tried to integrate Elasticsearch into
              Yanel, but have<br>
              trouble doing this, because Elasticsearch requires a more
              recent Lucene<br>
              version than Yarep is using (2.9.2).<br>
              <br>
              <br>
              Lucene already offers version 6.6.0<br>
              (<a moz-do-not-send="true"
                href="https://lucene.apache.org/core/downloads.html"
                rel="noreferrer" target="_blank">https://lucene.apache.org/cor<wbr>e/downloads.html</a>)
              and I think it would be<br>
              good to upgrade Lucene finally. I am not sure whether
              search indices are<br>
              still compatible, but one could re-generate a search
              index.<br>
              <br>
              What do you think? Any objections?<br>
              <br>
              Thanks<br>
              <span class="gmail-m_-8693688901927037883HOEnZb"><font
                  color="#888888"><br>
                  Michael<br>
                  <br>
                  <br>
                  --<br>
                  Yanel-development mailing list <a
                    moz-do-not-send="true"
                    href="mailto:Yanel-development@wyona.com"
                    target="_blank"><a class="moz-txt-link-abbreviated" href="mailto:Yanel-development@wyona.com">Yanel-development@wyona.com</a></a><br>
                  <a moz-do-not-send="true"
                    href="http://mx2.wyona.com/cgi-bin/mailman/listinfo/yanel-development"
                    rel="noreferrer" target="_blank">http://mx2.wyona.com/cgi-bin/m<wbr>ailman/listinfo/yanel-developm<wbr>ent</a><br>
                </font></span></blockquote>
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