When you install Configuration Manager, the path to the directory that contains the Java™ binary file to be used to launch the graphical user interface is added to the ce_install_path/tools/configure/configmgr.ini file.
-vm
C:\Program Files\IBM\FileNet\ContentEngine\_cejvm\jre\bin
-vm
/opt/IBM/FileNet/ContentEngine/_cejvm/jre/bin