java.lang.NoClassDefFoundError: Could not initialize class org.apache.jmeter.gui.util.MenuFactory

Question

when i open apache-jmeter-3.1 and right click the test-plan button,it turns out to be no response and throws lists of errors in the jmeter.log as follows

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Answer 1

Normally this happens when a Dependent jar is not present or in case if there is a conflicting jar with different implementation present.

Check this post https://newspaint.wordpress.com/2013/08/21/jmeter-could-not-initialize-menufactory-class/