when use 3 FE follower, when restart the fe, and regardless of order, we probability can't start fe success, and bdb throw RollbackException, In this scenario, the bdb suggests to catch the exception, simply closing all your ReplicatedEnvironment handles, and then reopening. so we catch the RollbackException, and reopen the ReplicatedEnvironment
# fe-common This module is used to store some common classes of other modules. # spark-dpp This module is Spark DPP program, used for Spark Load function. Depends: fe-common # fe-core This module is the main process module of FE. Depends: fe-common, spark-dpp