Coinfiguring the cassandra probe the FATAL message is seen in the log:
May 08 07:57:19:832 [pool-3-thread-1, cassandra_monitor] ------------ cassandra_monitor [Version: 1.25 Build: SNAPSHOT, 2017-07-14 14:20] ------------
May 08 07:57:19:833 [pool-3-thread-1, cassandra_monitor] PERF: DONE: cassandra_monitor inventory update for CASSANDRA {Seconds=0.002}
May 08 07:57:19:833 [pool-3-thread-1, cassandra_monitor] PERF: DONE: ----- Pass-001 --- Data Collector Check Interval for: CASSANDRA {Seconds=0.002}
May 08 07:57:19:833 [pool-3-thread-1, cassandra_monitor] PERF: Memory Status: Max=1820 CurrentAllocated=59 Free=33 Used=26 MB
May 08 07:57:19:833 [pool-3-thread-1, cassandra_monitor] Unexpected fatal error occured during data collection against DataCollector for CASSANDRA
May 08 07:57:19:833 [pool-3-thread-1, cassandra_monitor] java.lang.NoClassDefFoundError: org/apache/cassandra/tools/NodeProbe
Missing Certification for Cassandra 4.*
The latest Cassandra probe available supports up to 3.11.
The new apache-cassandra api's 4.14 is not supported and it is causing these errors.
At the moment (June 2024) there is no ETA for a Future Release of the Cassandra probe