How to use system Java instead of the bundled JRE
Platform Notice: Data Center - This article applies to Atlassian products on the Data Center platform.
Note that this knowledge base article was created for the Data Center version of the product. Data Center knowledge base articles for non-Data Center-specific features may also work for Server versions of the product, however they have not been tested. Support for Server* products ended on February 15th 2024. If you are running a Server product, you can visit the Atlassian Server end of support announcement to review your migration options.
*Except Fisheye and Crucible
Purpose
The Confluence installer comes with its own JRE hence Confluence won't use the system JRE when it has been installed using the Installer. To configure Confluence to use the system JRE please follow the steps below:
Solution
- Shutdown Confluence
- Edit
<Confluence_Installation_Directory>/bin/setjre.batfor Windows orsetjre.shfor Linux Find the following lines
setjre.batSET "JRE_HOME=<Confluence_Installation_Directory>\jre"or
setjre.shJRE_HOME="<Confluence_Installation_Directory>/jre"; export JRE_HOMEChange the
JRE_HOMEvalue with the absolute path of your system JRE (or comment out if JAVA_HOME is set.)- Save
- Restart Confluence