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obi 12c rcu error

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User538247
User538247 Rank 4 - Community Specialist
edited August 2024 in Oracle Analytics Cloud and Server

Hi,

trying to run rcu for obiee 12c on oracle linux  its showing error as

Exception in thread "main" java.lang.UnsupportedClassVersionError: oracle/sysman/assistants/rcu/Rcu : Unsupported major.minor version 52.0

  at java.lang.ClassLoader.defineClass1(Native Method)

  at java.lang.ClassLoader.defineClass(ClassLoader.java:791)

  at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)

  at java.net.URLClassLoader.defineClass(URLClassLoader.java:449)

  at java.net.URLClassLoader.access$100(URLClassLoader.java:71)

  at java.net.URLClassLoader$1.run(URLClassLoader.java:361)

  at java.net.URLClassLoader$1.run(URLClassLoader.java:355)

  at java.security.AccessController.doPrivileged(Native Method)

  at java.net.URLClassLoader.findClass(URLClassLoader.java:354)

  at java.lang.ClassLoader.loadClass(ClassLoader.java:423)

  at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)

  at java.lang.ClassLoader.loadClass(ClassLoader.java:356)

  at sun.launcher.LauncherHelper.checkAndLoadMain(LauncherHelper.java:482)

$ java -version

java version "1.7.0_15"

Java(TM) SE Runtime Environment (build 1.7.0_15-b03)

Java HotSpot(TM) 64-Bit Server VM (build 23.7-b01, mixed mode)

Answers

  • Thomas Dodds
    Thomas Dodds Rank 8 - Analytics Strategist

    Java version might be the issue ...

    http://javarevisited.blogspot.com/2015/05/fixing-unsupported-majorminor-version.html

  • Gianni Ceresa
    Gianni Ceresa Mod

    +1 @Thomas Dodds

    Look at the certification matrix for OBIEE 12c: minimum supported java is 1.8.0_51, so with your 1.7.0_15 you are a bit .... outdated ...

    It's a good thing the RCU crashed as at least you didn't really start installing things with no chance to have it working.

  • User538247
    User538247 Rank 4 - Community Specialist

    skipped running RCU.sh separately instead of it directly ran config.sh from middleware/oracle_home/bi/bin...no issue of java currently its running with 1.7 only

    thanks,

  • Gianni Ceresa
    Gianni Ceresa Mod

    And the day you have issues don't even try to contact Oracle for any support and if you post back here start by saying you are using 12c with Java 1.7 so people will just tell you it's not certified ....

    If you are just setting up a sandbox to look at tool fine, but if you are planning to really using it I would suggest you double think if it's not better to at least have a certified setup ...