Caused by: java.lang.RuntimeException: Error invoking MC server bundler: java.lang.UnsupportedClassVersionError: net/minecraft/bundler/Main has been compiled by a ...

$ ./bin/hugegraph graph-clear -c "I'm sure to delete all data" Exception in thread "main" class java.lang.IllegalStateException: Can't find task scheduler for graph 'hugegraph[hugegraph]' at com.baidu ...