java.lang.NoSuchFieldError: UNKNOWN while running jmx_exporter as javaagent

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Jai Bheemsen Rao Dhanwada

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Aug 18, 2022, 1:31:41 AM8/18/22

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Hello,

I am trying to use jmx_exporter as javaagent and after building the jar from the latest source code I keep getting the below exception. It was working fine with the older version (I was using the very older version, probably from a year back)

Exception in thread "main" java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at sun.instrument.InstrumentationImpl.loadClassAndStartAgent(InstrumentationImpl.java:386)
at sun.instrument.InstrumentationImpl.loadClassAndCallPremain(InstrumentationImpl.java:401)
Caused by: java.lang.NoSuchFieldError: UNKNOWN
at io.prometheus.jmx.JmxCollector$Rule.<init>(JmxCollector.java:57)
at io.prometheus.jmx.JmxCollector.loadConfig(JmxCollector.java:214)
at io.prometheus.jmx.JmxCollector.<init>(JmxCollector.java:91)
at io.prometheus.jmx.JavaAgent.premain(JavaAgent.java:29)
... 6 more