代碼如下:

public class UDTF {public static void main(String[] args) throws Exception{ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment();BatchTableEnvironment tableEnv = TableEnvironment.getTableEnvironment(env); }}

intellij報錯提示:

解決方案:

原代碼改成如下：

import org.apache.flink.api.java.DataSet; import org.apache.flink.api.java.ExecutionEnvironment; import org.apache.flink.api.java.operators.DataSource; import org.apache.flink.table.api.Table; import org.apache.flink.table.api.TableEnvironment; import org.apache.flink.table.api.bridge.java.BatchTableEnvironment; import org.apache.flink.types.Row;public class UDTF {public static void main(String[] args) throws Exception{ExecutionEnvironment env = ExecutionEnvironment.getExecutionEnvironment();BatchTableEnvironment tableEnv = BatchTableEnvironment.create(env);}}

?

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