Db2 - Upgrade Java JDK/JRE

After installing via alternatives the latest IBM JDK on redhat 8.10 (Ootpa) x86 and when trying to update the Java Version for Db2 with db2 UPDATE DBM CFG USING jdk_path SDK for Java-path to

(...) (JDK_PATH) = /dbhome//sqllib/java/jdk64

following error appears:

MESSAGE : ADM0508E  The database manager was unable to load the Java
          interpreter library "/usr/lib/jvm/jre/lib/amd64/j9vm".  This error
          commonly occurs because of restrictions imposed by the operating
          system.  Consult the IBM documentation for a solution.  If this
          problem persists, contact IBM support.

**Db2 version:** DB2 v11.5.9.0, special_52441 "DYN2501101324AMD64_52441" **Java version** "21.0.6" 2025-01-21 LTS IBM Semeru Runtime Certified Edition 21.0.6.0 (build 21.0.6+7-LTS) Eclipse OpenJ9 VM 21.0.6.0 (build openj9-0.49.0, JRE 21 Linux amd64-64-Bit Compressed References 20250121_373 (JIT enabled, AOT enabled) **Question 1:** Where is the path in the error message configured, as it turns out to be not the one being defined as JDK_PATH. **Question 2:** Is it actually possible to update the referred Db2 version to the latest JDK/JRE release and has it to be specifically an IBM JDK/J9vm? **Question 3:** Is there any good article or documentation how to update/handle/work with Java UDFs in Db2? *Correlates to: https://stackoverflow.com/questions/69019194/how-to-upgrade-java-to-at-least-8-0-6-25-in-ibm-db2-v11-1*