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I have followed this, perfectly with no errors, "jdk-11.0.12_linux-x64_bin.tar.gz" copied to "/var/cache/oracle-jdk11-installer-local/" however when I run "sudo apt install oracle-java11-installer-local" I get the output below, and nothing is installed, still the same Ubuntu OpenJKD and when I try to show alternatives it says none. I am a Ubuntu newbie but everything is straightforward.

root@server:~# sudo apt install oracle-java11-installer-local 
Reading package lists... Done 
Building dependency tree
Reading state information... Done
oracle-java11-installer-local is already the
newest version (11.0.12-1~linuxuprising0). 0 upgraded, 0 newly
installed, 0 to remove and 0 not upgraded.

Following N0rbert last recommendation. It appeared to install, and set the environment variable but still shows OpenJDK. I need to set Tomcat to Oracle JDK and without showing up in alternatives I can...can I? (Also how can I get the block quote to respect or set line break/length?)

(Reading database ... 93229 files and directories currently installed.) Preparing to unpack .../oracle-java11-set-default-local_11.0.12-1~linuxuprising0_amd64.deb ... Unpacking oracle-java11-set-default-local (11.0.12-1~linuxuprising0) over (11.0.12-1~linuxuprising0) ... Setting up oracle-java11-set-default-local (11.0.12-1~linuxuprising0) ... root@server:~# java --version openjdk 11.0.11 2021-04-20 OpenJDK Runtime Environment (build 11.0.11+9-Ubuntu-0ubuntu2.20.04) OpenJDK 64-Bit Server VM (build 11.0.11+9-Ubuntu-0ubuntu2.20.04, mixed mode, sharing) root@server:~# sudo update-alternatives --config java There are 2 choices for the alternative java (providing /usr/bin/java).

Selection Path Priority Status

  • 0 /usr/lib/jvm/java-11-openjdk-amd64/bin/java 1111 auto mode 1 /usr/lib/jvm/java-11-openjdk-amd64/bin/java
    1111 manual mode 2
    /usr/lib/jvm/java-8-openjdk-amd64/jre/bin/java 1081 manual mode

root@server:~# root@server:~# printenv SHELL=/bin/bash DERBY_HOME=/usr/lib/jvm/java-11-oracle/db JAVA_HOME=/usr/lib/jvm/java-11-oracle

Even more wierdly, there is nothing in the created JAVA_HOME. Ideas?

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1 Answer 1

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You have to install small additional package from the same PPA by

sudo apt-get install oracle-java11-set-default-local

to set Oracle Java 11 as default Java version.

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  • Thanks. But I did that and nothing. Below is the output. Also oddly I just did "sudo apt install oracle-java11-installer-local" and the very same output. root@server:~# sudo apt-get install oracle-java11-set-default-local Reading package lists... Done Building dependency tree Reading state information... Done oracle-java11-set-default-local is already the newest version (11.0.12-1~linuxuprising0). 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. root@server:~# java --version
    – cp.
    Aug 13, 2021 at 19:58
  • Maybe sudo apt-get install --reinstall oracle-java11-set-default-local will help.
    – N0rbert
    Aug 13, 2021 at 20:02

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