I'm testing startup checks and expect them to fail in a certain scenario but 
the test just exists because when a startup check fails, Cassandra calls 
System.exit.

It is possible to create CassandraDaemon with "runManaged" constructor arg 
which prevents System.exit and make the code throw RuntimeException instead 
(this is already implemented but the parameter needs to be explicitly passed to 
the constructor of CassandraDaemon, thus it is not the option without some 
refactoring).

It is also possible to install security manager which prevents System.exit. If 
so, should this be implemented globally for all the JVM dtests or individually 
for JVM dtests which need that? I'm asking because when System.exit is called 
unexpectedly, the test is not reported as failed - it is not reported at all 
(at least I saw that in IntelliJ).

Thanks,
Jacek


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