2458631 - No data received from Kafka Input Adapter - SAP HANA SDS | SAP Knowledge Base Article

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2458631 - No data received from Kafka Input Adapter - SAP HANA SDS


  • The SDS project is using the Kafka String Input Adapter to accept string values from a Kafka Producer.
  • The project deployed successfully.
  • However, when sending some input string in the Kafka Producer, it is observed that:
    • The project's input stream does not receive any data from the Kafka input adapter.
    • The project's standard streams log file (streamingserver~<workspace-name>.<project-name>.<project-instance-number>~_<machine-hostname>.<cluster-node-rpc-port>.<log-serial-number>.out) reports:

Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/kafka/clients/consumer/KafkaConsumer
 at com.sybase.esp.adapter.transporters.kafka.KafkaInputTransporter.init(KafkaInputTransporter.java:279)
 at com.sybase.esp.adapter.framework.wrappers.TransporterWrapper.init(TransporterWrapper.java:61)
 at com.sybase.esp.adapter.framework.internal.Adapter.init(Adapter.java:216)
 at com.sybase.esp.adapter.framework.internal.AdapterController.executeStart(AdapterController.java:257)
 at com.sybase.esp.adapter.framework.internal.AdapterController.execute(AdapterController.java:156)
 at com.sybase.esp.adapter.framework.Framework.main(Framework.java:62)
Caused by: java.lang.ClassNotFoundException: org.apache.kafka.clients.consumer.KafkaConsumer
 at java.net.URLClassLoader$1.run(URLClassLoader.java:435)
 at java.net.URLClassLoader$1.run(URLClassLoader.java:424)
 at java.security.AccessController.doPrivileged(Native Method)
 at java.net.URLClassLoader.findClass(URLClassLoader.java:423)
 at java.lang.ClassLoader.loadClass(ClassLoader.java:493)
 at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:351)
 at java.lang.ClassLoader.loadClass(ClassLoader.java:426)
 ... 6 more



SAP HANA Smart Data Streaming (SDS) 1.0 SP12 Rev122 PL07


SAP HANA 1.0 smart data streaming ; SAP HANA 1.0, platform edition


streaming, processing, kafka-clients-, client, jar , KBA , BC-SYB-ESP , Sybase ESP (Event Stream Processor) , Problem

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