org.apache.flink.client.program.ProgramInvocationException

The main method caused an error.

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  • Stack trace

    • org.apache.flink.client.program.ProgramInvocationException: The main method caused an error. at org.apache.flink.client.program.PackagedProgram.callMainMethod(PackagedProgram.java:520) at org.apache.flink.client.program.PackagedProgram.invokeInteractiveModeForExecution(PackagedProgram.java:403) at org.apache.flink.client.program.Client.runBlocking(Client.java:248) at org.apache.flink.client.CliFrontend.executeProgramBlocking(CliFrontend.java:866) at org.apache.flink.client.CliFrontend.run(CliFrontend.java:333) at org.apache.flink.client.CliFrontend.parseParameters(CliFrontend.java:1189) at org.apache.flink.client.CliFrontend.main(CliFrontend.java:1239) Caused by: java.lang.IllegalStateException: no evaluator registered for Read(UnboundedKafkaSource) at com.google.cloud.dataflow.sdk.runners.DirectPipelineRunner$Evaluator.visitTransform(DirectPipelineRunner.java:852) at com.google.cloud.dataflow.sdk.runners.TransformTreeNode.visit(TransformTreeNode.java:219) at com.google.cloud.dataflow.sdk.runners.TransformTreeNode.visit(TransformTreeNode.java:215) at com.google.cloud.dataflow.sdk.runners.TransformTreeNode.visit(TransformTreeNode.java:215) at com.google.cloud.dataflow.sdk.runners.TransformHierarchy.visit(TransformHierarchy.java:102) at com.google.cloud.dataflow.sdk.Pipeline.traverseTopologically(Pipeline.java:259) at com.google.cloud.dataflow.sdk.runners.DirectPipelineRunner$Evaluator.run(DirectPipelineRunner.java:814) at com.google.cloud.dataflow.sdk.runners.DirectPipelineRunner.run(DirectPipelineRunner.java:526) at com.google.cloud.dataflow.sdk.runners.DirectPipelineRunner.run(DirectPipelineRunner.java:96) at com.google.cloud.dataflow.sdk.Pipeline.run(Pipeline.java:180) at com.google.cloud.dataflow.contrib.kafka.examples.TopHashtagsExample.main(TopHashtagsExample.java:140) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.apache.flink.client.program.PackagedProgram.callMainMethod(PackagedProgram.java:505) ... 6 more

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