To add and run Rpas Java Expression: mace Got Rpas exception:java.lang.NoClassDefFoundError:

Problem:  I run in mace in Putty:

mace -d . -run -expression "destMeasure:destMeas <- javaexpression(class:\"copyMeasure\", srcMeasure:srcMeas, popMeasure:cellCountMeas)" -loglevel all

Exception i see:  'java.lang.NoClassDefFoundError

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Exception in thread "main" java.lang.NoClassDefFoundError: copyMeasure

Caused by: java.lang.ClassNotFoundException: copyMeasure

        at java.net.URLClassLoader$1.run(URLClassLoader.java:366)

        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:425)

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

        at java.lang.ClassLoader.loadClass(ClassLoader.java:358)

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Question: Should I add .jar OR .class OR .java file as in rpas folder example?