org.apache.flink.client.program.ProgramInvocationException

The main method caused an error.

Samebug tips5

This might be an issue with the file location in the Spark submit command. Try it with "spark-submit --master spark://master:7077 hello_world_from_pyspark.py {file location}"

Check if you've set a name in Application -> Run. If you didn't, the generated XML is gonna have missing information and then this exception will be thrown.

Don't give up yet. Our experts can help. Paste your full stack trace to get a solution.

Solutions on the web167

  • via GitHub by magsol
    , 11 months ago
    The main method caused an error.
  • via beam-user by William McCarthy, 1 year ago
    The main method caused an error.
  • via beam-user by William McCarthy, 1 year ago
    The main method caused an error.
  • 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.IllegalArgumentException: Unknown 'runner' specified 'FlinkPipelineRunner', supported pipeline runners [BlockingDataflowPipelineRunner, DataflowPipelineRunner, DirectPipelineRunner] at com.google.cloud.dataflow.sdk.options.PipelineOptionsFactory.parseObjects(PipelineOptionsFactory.java:1486) at com.google.cloud.dataflow.sdk.options.PipelineOptionsFactory.access$400(PipelineOptionsFactory.java:101) at com.google.cloud.dataflow.sdk.options.PipelineOptionsFactory$Builder.as(PipelineOptionsFactory.java:286) at com.google.cloud.dataflow.contrib.kafka.examples.TopHashtagsExample.main(TopHashtagsExample.java:117) 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 Caused by: java.lang.ClassNotFoundException: FlinkPipelineRunner at java.net.URLClassLoader.findClass(URLClassLoader.java:381) at java.lang.ClassLoader.loadClass(ClassLoader.java:424) at java.lang.ClassLoader.loadClass(ClassLoader.java:357) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:264) at com.google.cloud.dataflow.sdk.options.PipelineOptionsFactory.parseObjects(PipelineOptionsFactory.java:1473) ... 14 more

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