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SOLR

By Gast (nicht überprüft), 16 Dezember, 2021

Apache Solr Install & Update

Um Apache Solr zu installieren bzw. zu aktualisieren (Update/Upgrade) :

wget https://dlcdn.apache.org/lucene/solr/8.11.1/solr-8.11.1.tgz

tar xzf solr-8.11.1.tgz solr-8.11.1/bin/install_solr_service.sh --strip-components=2

./install_solr_service.sh solr-8.11.1.tgz -f

/etc/init.d/solr restart
service solr restart


 

 

 

 

By Gast (nicht überprüft), 14 Dezember, 2021

Log4J Sicherheitslücke beheben (CVE-2021-44228 / Log4Shell / Zero-Day / Remote Code Execution )

Um die Sicherheitslücke für Apache Solr 8.x zu schließen:

1. Umgebungsvariable setzen

export LOG4J_FORMAT_MSG_NO_LOOKUPS=true

2. Dateien ersetzen

Alte Dateien (in /opt/solr/server/lib/ext)

log4j-1.2-api-2.14.1.jar
log4j-api-2.14.1.jar
log4j-core-2.14.1.jar
log4j-slf4j-impl-2.14.1.jar
log4j-web-2.14.1.jar

ersetzen durch neue Dateien:

By Gast (nicht überprüft), 14 Dezember, 2021

Apache Solr - Nur Localhost erlauben, Remote Verbindungen blockieren (mit Ausnahme)

Alles außer Localhost ignorieren

Alle Verbindungen, die nicht aus dem IP 127.0.0.1 kommen, werden ignoriert (Reihenfolge ist wichtig).


iptables -A INPUT -p tcp -s localhost --dport 8983 -j ACCEPT
iptables -A INPUT -p tcp --dport 8983 -j DROP

 

Alle Verbindungen ignorieren (Ausnahme: IP von Admin)


iptables -A INPUT -p tcp -s 11.22.33.44/16 --dport 8983 -j ACCEPT
iptables -A INPUT -p tcp -s localhost --dport 8983 -j ACCEPT
iptables -A INPUT -p tcp --dport 8983 -j DROP



 

By Gast (nicht überprüft), 23 September, 2020

Apache solr : install / start / stop Tipps

 

service solr status

https://lucene.apache.org/solr/guide/8_5/taking-solr-to-production.html

By Gast (nicht überprüft), 23 September, 2020

Solr Error : Your open file limit is currently 1024. It should be set to 65000 to avoid operational disruption

*** [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

By Gast (nicht überprüft), 7 Juni, 2020

Solr requires java, please install or set JAVA_HOME properly

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

 

Was ist die Lösung?

By Gast (nicht überprüft), 6 Juni, 2020

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.

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.

By Gast (nicht überprüft), 6 Juni, 2020

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

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.

By Gast (nicht überprüft), 24 Dezember, 2019

Apache Solr 8 / 7 mit Basic Auth schützen

Hier, wie ich solr HTTP Basic Auth eingerichtet habe.

By Gast (nicht überprüft), 22 Dezember, 2019

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.

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

 

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