There are several versions of the JDK for the Solr server. Which version should be downloaded?
The recommended version is Java Development Kit 1.7, Windows x64 version, update 51 if using the 9.0 or 9.1 Ektron versions of Solr.
JDK 8 should be used for 9.2 - 9.3 Ektron versions of Solr. Starting in 9.3SP2 OpenJDK 8 - 10 can be used.
Ektron Solr Version | Java JDK |
9.0 - 9.1 | JDK 7 |
9.2 - 9.3SP1 | JDK 8 and OpenJDK 8 |
9.3 SP2+ | JDK 8 - 10 and OpenJDK 8 - 10 |
Oracle Licensing Changes
https://episerver.zendesk.com/knowledge/articles/360038162252/en-us?brand_id=499034
JDK 7 downloads
http://www.oracle.com/technetwork/java/javase/downloads/java-archive-downloads-javase7-521261.html
JDK 8 downloads
http://www.oracle.com/technetwork/java/javase/downloads/index.html
Redhat OpenJDK downloads
https://developers.redhat.com/products/openjdk/download (download the MSI installer)
Remember to set the JAVA_HOME and Path(if on 9.4SP1+ versions) variables. See the critical steps KB for more on this.
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