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Sometimes I get Stack trace of root exception is empty; this is likely due to a JVM optimization that can be disabled with -XX:-OmitStackTraceInFastThrow. when I execute code in the repl in cider. Any idea what I add to my build.boot in order to allow these stacktraces?


you could start your jvm with -XX:-OmitStackTraceInFastThrow


@samedhi You can use an environment variable to tell Boot to pass that to the JVM:

We start all our processes -- both Boot and JARs -- with that option. I've no idea which bright spark at Oracle thought the default should be to "optimize away" your stacktraces... 😞