Java Runtime Jre For Mac

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  1. How Do I Install Java For My Mac?
  2. Jre Download For Mac
  3. Reference
  4. Java Download For Mac

This quick guide explains how you can fix the LibreOffice requires a Java runtime environment (JRE) error.

LibreOffice – the free office suite requires Java runtime environment for some of its own functionalities. For example, some of the plugins, extensions, Python macros require Java Runtime Environment (JRE) to work.

Lack of JRE, would cause the below error in LibreOffice:

LibreOffice requires a Java runtime environment (JRE) to perform this task. Please install a JRE (and libreoffice-java-common) and restart LibreOffice.

This happens when JRE is not installed in your OS – be it either Windows or Linux. Before you go ahead and try to fix via installing JRE, first you have to check whether Java Runtime Environment is installed in your system or not.

How to check if LibreOffice detected Java Runtime Environment

Before you install Java Runtime Environment to fix the issue, follow the below steps to check whether Java is installed and LibreOffice is able to detect it.

  • Open LibreOffice (calc, Impress, etc).
  • Go to from Menu : Tools -> Options -> Advanced under LibreOffice.
  • Under Java Options window, if Java is installed you would see it listed. If not, there will not be any entries.

How to Fix JRE Error – LibreOffice

Fixing JRE error in LibreOffice is different in Windows and Linux systems. Follow the steps below accordingly.


  • Download Oracle Java Runtime Environment from below the official link and install it in Windows. This link will take you to manual installation for Windows 10 with an offline installer.
  • Select “Windows Offline (64-bit)”.
  • After downloading, click on jre-***.-windows-x64.exe to install. It should open up a window like below. Do not change the destination folder. Click Install.
  • After successful installation, you should see below below message.
  • Now, its time to verify Java installation in Windows.
  • By default Java setup installs it in C:Program FilesJavajre1.8.0_231
  • Close all the LibreOffice instances.
  • Restart LibreOffice and perform the task which gave you the error. You should not be receiving the error anymore.
  • Verify from Tools -> Options -> Advanced that LibreOffice detected the Java runtime correctly.

Linux, Ubuntu, RHEL, Fedora

Ubuntu, Linux Mint and other Ubuntu based systems

  • If you are running Ubuntu, open terminal (CTRL+ALT+T) and run below commands:


For Fedora, run below commands

  • Once the installation is finished, close all instances of LibreOffice.
  • Restart LibreOffice and perform the task which you were doing causing the error.
  • You should not be receiving any more errors.

For other Linux distributions, download the related package (RPM, etc) from the above official Oracle download page.

If you have successfully installed the Java Runtime Environment, then go to Tools -> Options -> Advanced again and you can see Java is listed (see below). Select the JRE and press OK.


  • If you are unable to find Java Runtime Environment after installing JRE, click on the Add button and browse-select the directory where Java is installed.
  • For Windows 10, Java is installed typically in C:Program FilesJavajdk-***. OR C:Program Files (x86)Javajre**** Select the jdk/jre folder and click Ok.
  • After successful installation, always close all LibreOffice instances and check whether Java is detected.
  • If that still doesnt work, then try restarting your system.

How Do I Install Java For My Mac?


The above steps should solve the JRE error for LibreOffice. If you are still facing the error, drop a comment below with LibreOffice version, OS version.


Jre Download For Mac

  • Don’t forget to let us know if this solves the problem for the benefit of others.

Looking for something else?

Read our complete tutorial index of Calc, Writer, Impress and Draw.



The following are the system requirements for installing the JDK and the JRE on macOS:

PHP comes installed on OS X by default (not always activated for some), just download the 32-bit version of MySQL, start Apache, and you should be good to go. You may have to tweak Apache for PHP or MySQL, depending on what builds are present. I didn't have to tweak anything to have it working. Part 1: macOS 10.15 Catalina Web Development Environment. Developing web applications on macOS is a real joy. There are plenty of options for setting up your development environments, including the ever-popular MAMP Pro that provides a nice UI on top of Apache, PHP and MySQL.However, there are times when MAMP Pro has slow downs, or out of date versions, or is simply behaving badly due to its. The MAMP package includes the Apache web server, PHP engine, and MySQL database. Mac OS X 10.5 and later include the MySQL database and Apache server with PHP support. While it certainly is possible to configure the built-in database and server with the IDE, MAMP’s all-in-one bundle provides a convenient and easily configurable solution. My Mac OS is Mountain Lion (10.8), so for earlier versions you might need to make some changes in the steps provided below. Table of Contents hide 1 Install Apache for Mac OS X. 2 Creating Apache VirtualHosts. 3 Install PHP on Mac OS X. 4 Install MySql on Mac OS X. 5 Connecting PHP with MySql. Apache mysql php install. Connect PHP and MySQL. Create symlink to ensure PHP and MySQL can communicate each other. Mkdir /var/mysql ln -s /tmp/mysql.sock /var/mysql/mysql.sock Edited my Apache Configuration: mkdir /var/mysql nano /etc/apache2/httpd.conf Uncommented the following lines.

Java Download For Mac

  • Any Intel-based computer running macOS.

  • Administrator privileges.

    You cannot install Java for a single user. Installing the JDK and JRE on macOS is performed on a systemwide basis for all users. Administrator privileges are required to install the JDK and JRE on macOS.

  • When you install the JDK, it also installs the JRE. However, the system will not replace the current JRE with a lower version.

    To determine the current JRE version installed on your system, see Determining the JRE Version Installed on macOS. To install an earlier version of the JRE, you must first uninstall the current version. See Uninstalling the JRE on macOS.

  • When you install the JRE, you can install only one JRE on your system at a time. The system will not install a JRE that has an earlier version than the current version.

    To determine the current JRE version installed on your system, see Determining the JRE Version Installed on macOS. To install an earlier version of the JRE, you must first uninstall the current version. See Uninstalling the JRE on macOS.


    Installing a JRE from Oracle will not update java -version symlinks or add java to your path. To do this, you must install the JDK.