No new data sinks have been defined since the last execution.
完整报错如下:
Exception in thread "main" java.lang.RuntimeException: No new data sinks have been defined since the last execution. The last execution refers to the latest call to 'execute()', 'count()', 'collect()', or 'print()'.
at org.apache.flink.api.java.ExecutionEnvironment.createProgramPlan(ExecutionEnvironment.java:1085)
at org.apache.flink.api.java.ExecutionEnvironment.createProgramPlan(ExecutionEnvironment.java:1065)
at org.apache.flink.api.java.ExecutionEnvironment.executeAsync(ExecutionEnvironment.java:962)
at org.apache.flink.api.java.ExecutionEnvironment.execute(ExecutionEnvironment.java:889)
at org.apache.flink.api.java.ExecutionEnvironment.execute(ExecutionEnvironment.java:873)
at UDF.main(UDF.java:54)
解决方案:
注释掉env.execute()
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