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Question

 Vadivel Muthu (VadivelM7950)
Cognizant
Manager
Cognizant
IN
VadivelM7950 Member since 2014 4 posts
Cognizant
Posted: Feb 20, 2020
Last activity: Feb 27, 2020
Posted: 20 Feb 2020 2:24 EST
Last activity: 27 Feb 2020 15:07 EST
Closed

Exception while retrieving data from external kafka using Data Flow

Hi,

Created a Data Set and Configured the Data Flow to retrieve the message from External Kafka Queue. While executing the Data Flow, getting the few records failed with below exception.

$Worker.run(ThreadPoolExecutor.java:624) at com.pega.dsm.dnode.util.PrpcRunnable$1.run(PrpcRunnable.java:44) at com.pega.dsm.dnode.util.PrpcRunnable$1.run(PrpcRunnable.java:41) at com.pega.dsm.dnode.util.PrpcRunnable.execute(PrpcRunnable.java:52) at com.pega.dsm.dnode.impl.prpc.PrpcThreadFactory$PrpcThread.run(PrpcThreadFactory.java:109) Caused by: com.pega.dsm.dnode.api.ExceptionWithInputRecord: java.util.NoSuchElementException ... 19 more Caused by: java.util.NoSuchElementException at java.util.LinkedList.removeFirst(LinkedList.java:270) at java.util.LinkedList.pop(LinkedList.java:801) at com.pega.dsm.dnode.util.ClipboardPageJsonConverter.adoptJson(ClipboardPageJsonConverter.java:250) at com.pega.dsm.dnode.util.ClipboardPageJsonConverter.adoptJson(ClipboardPageJsonConverter.java:197) at com.pega.dsm.dnode.impl.dataset.kafka.KafkaBrowseOperation.convertRecordToClipboardPage(KafkaBrowseOperation.java:184) at com.pega.dsm.dnode.impl.dataset.kafka.KafkaBrowseOperation.processRecords(KafkaBrowseOperation.java:160) ... 18 more

 

Thanks,

Vadivel M

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Pega Platform 7.3
Decision Management
Manufacturing
Lead System Architect

Posted: 4 years ago
Posted: 27 Feb 2020 15:07 EST
Rakesh Mahapatra (mahar2) Sr. System Architect
Pegasystems Inc.
IN

Hi Vadivel ,

 

Please try this.

Browse the data set (to check clipboard structure) and create the properties and the pages on the Pega side as per the clipboard structure.

Hope this helps.

 

Thanks,

 Rakesh

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