public boolean hasUnDeletedQueues() {
    return errorReporter.getErrorList()
      .contains(HbckErrorReporter.ERROR_CODE.UNDELETED_REPLICATION_QUEUE);
  }
Check and fix undeleted replication queues for removed peerId.
hbase-server/src/main/java/org/apache/hadoop/hbase/util/hbck/ReplicationChecker.java