splunk_app_db_connect# rpm -qa |grep java
tzdata-java-2024b-2.el9.noarch
javapackages-filesystem-6.0.0-4.el9.noarch
java-11-openjdk-headless-11.0.25.0.9-3.el9.x86_64
java-11-openjdk-11.0.25.0.9-3.el9.x86_64
DIR: /opt/splunk/etc/apps/splunk_app_db_connect
splunk_app_db_connect# java -version
openjdk version "11.0.25" 2024-10-15 LTS
OpenJDK Runtime Environment (Red_Hat-11.0.25.0.9-1) (build 11.0.25+9-LTS)
OpenJDK 64-Bit Server VM (Red_Hat-11.0.25.0.9-1) (build 11.0.25+9-LTS, mixed mode, sharing)
One shows 9-1 and one shows 9-3 😕
I have had this issue in the past where despite installing JDK, DB Connect will not recognize a task server. I ended up trying different versions of JDK until eventually I got one that worked. Could you try a few different JDK packages?