org.apache.flink.client.program.ProgramInvocationException: The main method caused an error.

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Samebug tips

  1. ,

    You are not deploying the oracle driver with the application. Place the driver jars in a shared or library extension folder of your application server. (You should go with option one or two though

  2. ,
    Expert tip

    A few things cause this exception:
    1) Check if you have all jars and if they're in the correct path.
    2) Your classpath might be broken, you can define it in the command line with java -cp yourClassPath or at your IDE if you're using one.

Solutions on the web

via beam-user by William McCarthy, 2 years ago
The main method caused an error.
via beam-user by Maximilian Michels, 2 years ago
The main method caused an error.
via beam-user by William McCarthy, 2 years ago
The main method caused an error.
via beam-user by William McCarthy, 2 years ago
The main method caused an error.
via flink-user by Nick Dimiduk, 2 years ago
The main method caused an error.
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The main method caused an error.
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 moreCaused 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