we are in
Developer Edition
v2025.2 (105476)
what is the upgrade path to 2025.4
we are seeing this banner…
You’re running a version of SonarQube Server that is no longer active. Please upgrade to an active version as soon as possible.
Inside 2025 you can upgrade directly. Take the latest 2025.4.2 - there were bugfixes required from SonarQbe this time. Only if you would still be on an earlier release, you would need to upgrade from LTA to LTA. That said, you’ll have to go to 2026.1 LTA next year for later updates 
hi once, pointing to latest version we get below error:
we unzipped and pointed to that
ln -s sonarqube-2025.4.2.112048 sonarqube
2025.08.13 00:31:34 INFO app[o.s.a.AppFileSystem] Cleaning or creating temp directory /opt/sonarqube-2025.4.2.112048/temp
2025.08.13 00:31:34 INFO app[o.s.a.es.EsSettings] Elasticsearch listening on [HTTP: 127.0.0.1:9001, TCP: 127.0.0.1:{}]
2025.08.13 00:31:34 INFO app[o.s.a.ProcessLauncherImpl] Launch process[ELASTICSEARCH] from [/opt/sonarqube-2025.4.2.112048/elasticsearch]: /opt/jdk-17.0.6/bin/java -Xms4m -Xmx64m -XX:+UseSerialGC -Dcli.name=server -Dcli.script=./bin/elasticsearch -Dcli.libs=lib/tools/server-cli -Des.path.home=/opt/sonarqube-2025.4.2.112048/elasticsearch -Des.path.conf=/opt/sonarqube-2025.4.2.112048/temp/conf/es -Des.distribution.type=tar -cp /opt/sonarqube-2025.4.2.112048/elasticsearch/lib/:/opt/sonarqube-2025.4.2.112048/elasticsearch/lib/cli-launcher/ org.elasticsearch.launcher.CliToolLauncher
2025.08.13 00:31:34 INFO app[o.s.a.SchedulerImpl] Waiting for Elasticsearch to be up and running
2025.08.13 00:31:39 WARN app[o.s.a.p.AbstractManagedProcess] Process exited with exit value [ElasticSearch]: 1
2025.08.13 00:31:39 INFO app[o.s.a.SchedulerImpl] Process[ElasticSearch] is stopped
2025.08.13 00:31:39 INFO app[o.s.a.SchedulerImpl] SonarQube is stopped