↓ 6 callersMethodtriggerFailover(
FailoverType type, JobID jobId, MiniCluster miniCluster, Runnable afterFailAction)
flink-cdc-connect/flink-cdc-source-connectors/flink-connector-oracle-cdc/src/test/java/org/apache/flink/cdc/connectors/oracle/testutils/OracleTestUtils.java:48