Hi Stephan, Thanks for your suggestion! I'll try the first solution too.
Wendong -- View this message in context: http://apache-flink-user-mailing-list-archive.2336050.n4.nabble.com/Flink-Kafka-runtime-error-tp2063p2142.html Sent from the Apache Flink User Mailing List archive. mailing list archive at Nabble.com.