Not able to launch Jmeter 3.1 due to error Unknown constant tag 204 in class file javax/swing /RepaintManager errorlevel=1 -


getting error when tried launch jmeter 3.1

an error occurred: unknown constant tag 204 in class file javax/swing  /repaintmanager

errorlevel=1

i running 100 users test in local system (ram 16gb) , stopped test in between of execution, after facing issue. please suggest.

jmeter log:

2017/08/21 14:33:14 fatal - jmeter.jmeter: error occurred:  java.lang.classformaterror: unknown constant tag 204 in class file javax/swing/repaintmanager @ javax.swing.uimanager.initialize(unknown source) @ javax.swing.uimanager.maybeinitialize(unknown source) @ javax.swing.uimanager.getinstalledlookandfeels(unknown source) @ org.apache.jmeter.gui.util.jmetermenubar.getalllafs(jmetermenubar.java:678) @ org.apache.jmeter.gui.action.lookandfeelcommand.<clinit>(lookandfeelcommand.java:58) @ org.apache.jmeter.jmeter.startgui(jmeter.java:315) @ org.apache.jmeter.jmeter.start(jmeter.java:483) @ sun.reflect.nativemethodaccessorimpl.invoke0(native method) @ sun.reflect.nativemethodaccessorimpl.invoke(unknown source) @ sun.reflect.delegatingmethodaccessorimpl.invoke(unknown source) @ java.lang.reflect.method.invoke(unknown source) @ org.apache.jmeter.newdriver.main(newdriver.java:259)

your jvm corrupt, see:

reinstall jdk 7 or 8 (advised).

i advise upgrade last jmeter 3.2


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