What does this error mean?
This error means something went wrong when attempting to make changes to compaction parameters. The full meaning can be determined by the additional exception message output that follows the error entry.
Why does this error occur?
This error occurs when making changes to the compaction strategy via JMX. The typical cause is an incorrect compaction parameter. Either the parameter is not supported, or the value passed to the parameter is not supported.
How do you fix this error?
Verify the compaction parameters that you are trying to pass via JMX are correct for the compaction strategy that you are using. See the following documentation on the various compaction strategies and their parameters: