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Unable to install Jenkins due to java package can not be installed

Posted March 15, 2021 1.9k views
Ubuntu 18.04

Hi,

When I tried to install Java package that is required for Jenkins install I see the following error and there is no clue how to get unblocked from this error. OS on the droplet is Ubuntu 18.04.


$ sudo apt install default-jre
Reading package lists... Done
Building dependency tree       
Reading state information... Done
**E: Unable to locate package default-jre**

$ java --version

Command 'java' not found, but can be installed with:

sudo apt install openjdk-11-jre-headless  # version 11.0.7+10-2ubuntu2~19.10, or
sudo apt install default-jre              # version 2:1.11-72
sudo apt install openjdk-13-jre-headless  # version 13+33-1
sudo apt install openjdk-14-jre-headless  # version 14~18-1
sudo apt install openjdk-8-jre-headless   # version 8u252-b09-1~19.10

$ sudo apt install openjdk-11-jre-headless
Reading package lists... Done
Building dependency tree       
Reading state information... Done
E: Unable to locate package openjdk-11-jre-headless
$ 
$ sudo apt install   openjdk-14-jre-headless
Reading package lists... Done
Building dependency tree       
Reading state information... Done
E: Unable to locate package openjdk-14-jre-headless
$ 
$ sudo apt openjdk-8-jre-headless
E: Invalid operation openjdk-8-jre-headless
$
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By:
bengaltiger

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1 answer
KFSys March 15, 2021

Hi @bengaltiger,

The easiest option for installing Java is to use the version packaged with Ubuntu. By default, Ubuntu 18.04 includes OpenJDK version 11, which is an open-source variant of the JRE and JDK.

To install this version, first update the package index:

sudo apt update

After the update give 

sudo apt install default-jre

Another try

Regards,
KFSys

Reply Report
  • bengaltiger March 15, 2021

    Hello KFSys,

    Yes I tried that too yesterday but the result is same as above. Could you look at this result from my latest attempt.

    $ sudo apt update
[sudo] password for xxxxx: 

Ign:1 http://mirrors.digitalocean.com/ubuntu eoan InRelease
Ign:2 http://mirrors.digitalocean.com/ubuntu eoan-updates InRelease
Ign:3 http://mirrors.digitalocean.com/ubuntu eoan-backports InRelease
Err:4 http://mirrors.digitalocean.com/ubuntu eoan Release
  404  Not Found [IP: 111111]
Ign:5 http://security.ubuntu.com/ubuntu eoan-security InRelease
Err:6 http://mirrors.digitalocean.com/ubuntu eoan-updates Release
  404  Not Found [IP: 111111 80]
Err:7 http://mirrors.digitalocean.com/ubuntu eoan-backports Release
  404  Not Found [IP: 111111 80]
Err:8 http://security.ubuntu.com/ubuntu eoan-security Release
  404  Not Found [IP: 111111 80]
Ign:9 http://pkg.jenkins-ci.org/debian-stable binary/ InRelease
Hit:10 http://pkg.jenkins-ci.org/debian-stable binary/ Release
Reading package lists... Done
E: The repository 'http://mirrors.digitalocean.com/ubuntu eoan Release' does not have a Release file.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.
E: The repository 'http://mirrors.digitalocean.com/ubuntu eoan-updates Release' does not have a Release file.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.
E: The repository 'http://mirrors.digitalocean.com/ubuntu eoan-backports Release' does not have a Release file.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.
E: The repository 'http://security.ubuntu.com/ubuntu eoan-security Release' does not have a Release file.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.
$ 
$ 
$ sudo apt install default-jre
Reading package lists... Done
Building dependency tree       
Reading state information... Done
E: Unable to locate package default-jre
$

    Best regards

    Reply Report

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