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Downgrade from version 4.0 to earlier version is supported to provide rollback cabability capability in case of major issues arise.

Breaking changes

Version 3.19 introduces JAVA_HOME sysconfig variable which is required for upgrade to version 4.0. This variable guarantees proper Java selection with both upgrade and downgrade process.

Before upgrade, verify file /etc/sysconfig/oneportal contains the following configuration setting.

Code Block
languagebash
JAVA_HOME=/usr/share/oneportal/java

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Notable changes

Temporary directory has been changed from /var/lib/oneportal/tmp to /tmp with systemd PrivateTmp= enabled. If /var/lib/oneportal/tmp exists after upgrade, it should be removed.