异步IO不稳定 private val DEFAULT_TIME_OUT = 300sjava.lang.Exception: An async function call terminated with an exception. Failing the AsyncWaitOperator. at org.apache.flink.streaming.api.operators.async.Emitter.output(Emitter.java:137) at org.apache.flink.streaming.api.operators.async.Emitter.run(Emitter.java:85) at java.lang.Thread.run(Thread.java:748) Caused by: java.util.concurrent.ExecutionException: java.util.concurrent.TimeoutException: Async function call has timed out. at java.util.concurrent.CompletableFuture.reportGet(CompletableFuture.java:357) at java.util.concurrent.CompletableFuture.get(CompletableFuture.java:1895) at org.apache.flink.streaming.api.operators.async.queue.StreamRecordQueueEntry.get(StreamRecordQueueEntry.java:68) at org.apache.flink.streaming.api.operators.async.Emitter.output(Emitter.java:129) ... 2 more Caused by: java.util.concurrent.TimeoutException: Async function call has timed out. at org.apache.flink.streaming.api.functions.async.AsyncFunction.timeout(AsyncFunction.java:97) at org.apache.flink.streaming.api.operators.async.AsyncWaitOperator$1.onProcessingTime(AsyncWaitOperator.java:211) at org.apache.flink.streaming.runtime.tasks.SystemProcessingTimeService$TriggerTask.run(SystemProcessingTimeService.java:285) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) ... 1 more