[GitHub] lamber-ken closed pull request #7396: [FLINK-11250][streaming] fix thread lack when StreamTask switched from DEPLOYING to CANCELING

[GitBox <gi...@apache.org>]

lamber-ken closed pull request #7396: [FLINK-11250][streaming] fix thread lack when StreamTask switched from DEPLOYING to CANCELING
URL: https://github.com/apache/flink/pull/7396
 
 
   

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diff --git a/flink-streaming-java/src/main/java/org/apache/flink/streaming/runtime/tasks/StreamTask.java b/flink-streaming-java/src/main/java/org/apache/flink/streaming/runtime/tasks/StreamTask.java
index 9ee8892cf95..ab6ad19137c 100644
--- a/flink-streaming-java/src/main/java/org/apache/flink/streaming/runtime/tasks/StreamTask.java
+++ b/flink-streaming-java/src/main/java/org/apache/flink/streaming/runtime/tasks/StreamTask.java
@@ -177,7 +177,7 @@
 	/** Wrapper for synchronousCheckpointExceptionHandler to deal with rethrown exceptions. Used in the async part. */
 	private AsyncCheckpointExceptionHandler asynchronousCheckpointExceptionHandler;
 
-	private final List<StreamRecordWriter<SerializationDelegate<StreamRecord<OUT>>>> streamRecordWriters;
+	private List<StreamRecordWriter<SerializationDelegate<StreamRecord<OUT>>>> streamRecordWriters;
 
 	// ------------------------------------------------------------------------
 
@@ -209,7 +209,6 @@ protected StreamTask(
 		this.timerService = timeProvider;
 		this.configuration = new StreamConfig(getTaskConfiguration());
 		this.accumulatorMap = getEnvironment().getAccumulatorRegistry().getUserMap();
-		this.streamRecordWriters = createStreamRecordWriters(configuration, environment);
 	}
 
 	// ------------------------------------------------------------------------
@@ -264,6 +263,7 @@ public final void invoke() throws Exception {
 				timerService = new SystemProcessingTimeService(this, getCheckpointLock(), timerThreadFactory);
 			}
 
+			streamRecordWriters = createStreamRecordWriters(configuration, getEnvironment());
 			operatorChain = new OperatorChain<>(this, streamRecordWriters);
 			headOperator = operatorChain.getHeadOperator();
 


 

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