pnowojski commented on a change in pull request #13234: URL: https://github.com/apache/flink/pull/13234#discussion_r494813570
########## File path: flink-streaming-java/src/main/java/org/apache/flink/streaming/runtime/tasks/MultipleInputStreamTask.java ########## @@ -53,42 +53,48 @@ public void init() throws Exception { StreamConfig configuration = getConfiguration(); ClassLoader userClassLoader = getUserCodeClassLoader(); - TypeSerializer<?>[] inputDeserializers = configuration.getTypeSerializersIn(userClassLoader); + StreamConfig.Input[] inputs = configuration.getInputs(userClassLoader); - ArrayList<IndexedInputGate>[] inputLists = new ArrayList[inputDeserializers.length]; - WatermarkGauge[] watermarkGauges = new WatermarkGauge[inputDeserializers.length]; + ArrayList<IndexedInputGate>[] inputLists = new ArrayList[ + (int) Arrays.stream(inputs) + .filter(input -> (input instanceof StreamConfig.NetworkInput)) + .count()]; Review comment: @rkhachatryan updated answer to your question: https://issues.apache.org/jira/browse/FLINK-19411 no it isn't the same :( `configuration.getNumberOfNetworkInputs` returns the number of input gates of the task, ignoring if they are unioned or not. ########## File path: flink-streaming-java/src/main/java/org/apache/flink/streaming/runtime/tasks/MultipleInputStreamTask.java ########## @@ -53,42 +53,48 @@ public void init() throws Exception { StreamConfig configuration = getConfiguration(); ClassLoader userClassLoader = getUserCodeClassLoader(); - TypeSerializer<?>[] inputDeserializers = configuration.getTypeSerializersIn(userClassLoader); + StreamConfig.Input[] inputs = configuration.getInputs(userClassLoader); - ArrayList<IndexedInputGate>[] inputLists = new ArrayList[inputDeserializers.length]; - WatermarkGauge[] watermarkGauges = new WatermarkGauge[inputDeserializers.length]; + ArrayList<IndexedInputGate>[] inputLists = new ArrayList[ + (int) Arrays.stream(inputs) + .filter(input -> (input instanceof StreamConfig.NetworkInput)) + .count()]; Review comment: Updated answer @rkhachatryan, [no it's not the same](https://issues.apache.org/jira/browse/FLINK-19411) :( ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org