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.

JRE Required Error
JRE Required Error

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 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.
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LibreOffice Options Dialog - Before JRE Installation
LibreOffice Options Dialog – Before JRE Installation

How to Fix JRE Error – LibreOffice

Windows

  • Download Oracle Java Runtime Environment from below official link and install in Windows. This link will take you to manual installation for Windows 10 with offline installer. Select the “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.
Java Setup in Windows
Java Setup in Windows
  • After successful implementation, you should see below.
Java Setup Complete
Java Setup Complete
  • Now its time to verify Java installation in Windows. By default Java setup installs it in C:\Program Files\Java\jre1.8.0_231
Java Installation Directory in Windows 10
Java Installation Directory in Windows 10
  • 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.
Java is detected by LibreOffice in Windows 10
Java is detected by LibreOffice in Windows 10

Linux, Ubuntu, RHEL, Fedora

  • If you are running Ubuntu, open terminal (CTRL+ALT+T) and run below commands:
sudo apt install default-jre
sudo apt install libreoffice-java-common
  • Once 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 error.
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For other Linux distributions, download the related package (RPM etc) from 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 Add button and browse-select the directory where Java is installed. For Windows 10, Java is installed typically in C:\Program Files\Java\jdk-***. OR C:\Program Files (x86)\Java\jre**** Select the jdk/jre folder and click Ok.

LibreOffice Options Dialog - After JRE Installation
LibreOffice Options Dialog – After JRE Installation

Conclusion

The above steps should solve the JRE error for LibreOffice. If you are still facing error, drop a comment below. Don’t forget to let us know if this solves the problem for benefit of others.


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