SOLR

*** [WARN] *** Your open file limit is currently 1024. It should be set to 65000 to avoid operational disruption.

If you no longer wish to see this warning, set SOLR_ULIMIT_CHECKS to false in your profile or solr.in.sh

Error: Solr requires java, please install or set JAVA_HOME properly

Was ist die Lösung?

Solarium Error:

Solarium 5.0.2 is too old and has known issues. In order to get composer to upgrade solarium to a recent version a core patch or a workaround is required. Have a look at this Core issue and this Search API Solr issue.

Error: Apache Solr (Solr-Server Version: 8.5.2) & Drupal 8.9 (search_api_solr: 3.9)

Your config-set contains manually added customizations. Be aware that these will be lost when the config-set needs to be regenerated.

Hier, wie ich solr HTTP Basic Auth eingerichtet habe.

Problem:

Solarium 5.0.2 is too old and has known issues. In order to get composer to upgrade solarium to a recent version a core patch or a workaround is required. Have a look at this Core issue and this Search API Solr issue.

Lösung:

composer require symfony/event-dispatcher:"4.3.4 as 3.4.99" && composer update

SOLR-Installation Error:

unzip -q solr-7.4.0.zip

[solr-7.4.0.zip]

  End-of-central-directory signature not found.  Either this file is not

  a zipfile, or it constitutes one disk of a multi-part archive.  In the

  latter case the central directory and zipfile comment will be found on

  the last disk(s) of this archive.

unzip:  cannot find zipfile directory in one of solr-7.4.0.zip or

        solr-7.4.0.zip.zip, and cannot find solr-7.4.0.zip.ZIP, period.

Deutsche Umlaute in Autocomplete werden nicht angezeigt.

Man sieht Baden-Wurttemberg statt Baden-Württemberg.

Wie kann man es zum laufen kriegen?

Apache Solr/Lucene und Elasticsearch kommen häufig vor. Da Lernaufwand zu groß ist, ist es sinnvoller sich auf eine konzentrieren. Welche ist besser?