Content Migration Manager > Knowledge base > I-deas
Cannot run CMMsolo
Cannot run CMMsolo Version 11 or later
running it in a command prompt window shows up:
C:\mcad_apps\CMM\11>C:\mcad_apps\CMM\11\cmmSolo.cmd Exception in thread "main" java.lang.UnsupportedClassVersionError: com/ugsolutions/ideasnxmigration/migrationmanager/solo/CMMSolo : Unsupported major.minor version 51.0 at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClassCond(Unknown Source) at java.lang.ClassLoader.defineClass(Unknown Source) at java.security.SecureClassLoader.defineClass(Unknown Source) at java.net.URLClassLoader.defineClass(Unknown Source) at java.net.URLClassLoader.access$000(Unknown Source) at java.net.URLClassLoader$1.run(Unknown Source) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source) at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source) at java.lang.ClassLoader.loadClass(Unknown Source)
Could not find the main class: com.ugsolutions.ideasnxmigration.migrationmanager.solo.CMMSolo.
Program will exit.
Solution Edit the file %CMM_BASE_DIR%\config\cmmConfig.cmd to match java version "1.8.0_60":
REM REM Java Runtime Path REM set JAVA_HOME=C:\Program Files\Java\jre1.8.0_60
Notes and References
Hardware/Software Configuration Platform: INTL64 OS: windows OS Version: 764 Product: NX Application: CMM Version: V11.0 Function: IDEAS
Ref: 001-7531640
Source: https://support.sw.siemens.com/en-US/knowledge-base/PL8010306 · retrieved 2026-10-02