in flink-connector-hbase-2.2/src/main/java/org/apache/flink/connector/hbase2/source/HBaseRowDataInputFormat.java [87:97]
private void connectToTable() throws IOException {
if (connection == null) {
connection = ConnectionFactory.createConnection(getHadoopConfiguration());
}
TableName name = TableName.valueOf(tableName);
if (!connection.getAdmin().tableExists(name)) {
throw new TableNotFoundException("HBase table '" + tableName + "' not found.");
}
table = connection.getTable(name);
regionLocator = connection.getRegionLocator(name);
}