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https://issues.apache.org/jira/browse/BEAM-126?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15201682#comment-15201682
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William McCarthy commented on BEAM-126:
---------------------------------------
Sweet. Thank you!
> KafkaWindowedWordCountExample fails with JobName invalid
> --------------------------------------------------------
>
> Key: BEAM-126
> URL: https://issues.apache.org/jira/browse/BEAM-126
> Project: Beam
> Issue Type: Bug
> Components: runner-flink
> Reporter: William McCarthy
> Assignee: Maximilian Michels
>
> I get the following when I try to run the KafkaWindowedWordCountExample.
> I'm able to fix it by changing line 106 of that file to:
> options.setJobName("kafkawindowword" + options.getWindowSize() +
> "seconds");
> flink run -c
> org.apache.beam.runners.flink.examples.streaming.KafkaWindowedWordCountExample
> target/beam-1.0-SNAPSHOT.jar
> test cl-mdgy:2181 cl-pu4p:9092,cl-y06o:9093 mygroup
> ------------------------------------------------------------
> The program finished with the following exception:
> 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.RuntimeException: Failed to construct instance from
> factory method FlinkPipelineRunner#fromOptions(interface
> com.google.cloud.dataflow.sdk.options.PipelineOptions)
> at
> com.google.cloud.dataflow.sdk.util.InstanceBuilder.buildFromMethod(InstanceBuilder.java:233)
> at
> com.google.cloud.dataflow.sdk.util.InstanceBuilder.build(InstanceBuilder.java:162)
> at
> com.google.cloud.dataflow.sdk.runners.PipelineRunner.fromOptions(PipelineRunner.java:57)
> at com.google.cloud.dataflow.sdk.Pipeline.create(Pipeline.java:134)
> at
> org.apache.beam.runners.flink.examples.streaming.KafkaWindowedWordCountExample.main(KafkaWindowedWordCountExample.java:114)
> 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.reflect.InvocationTargetException
> 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
> com.google.cloud.dataflow.sdk.util.InstanceBuilder.buildFromMethod(InstanceBuilder.java:222)
> ... 15 more
> Caused by: java.lang.IllegalArgumentException: JobName invalid; the name must
> consist of only the characters [-a-z0-9], starting with a letter and ending
> with a letter or number
> at
> com.google.common.base.Preconditions.checkArgument(Preconditions.java:122)
> at
> org.apache.beam.runners.flink.FlinkPipelineRunner.fromOptions(FlinkPipelineRunner.java:92)
> ... 20 more
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