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Posted to dev@flink.apache.org by "丛鹏 (Jira)" <ji...@apache.org> on 2022/03/25 03:10:00 UTC

[jira] [Created] (FLINK-26858) When submitting a task, an error is reported and the description is inaccurate, which will lead to misleading

丛鹏 created FLINK-26858:
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             Summary: When submitting a task, an error is reported and the description is inaccurate, which will lead to misleading
                 Key: FLINK-26858
                 URL: https://issues.apache.org/jira/browse/FLINK-26858
             Project: Flink
          Issue Type: Improvement
          Components: Command Line Client
    Affects Versions: 1.14.3, 1.13.6, 1.12.7, 1.12.2
         Environment: idea

flink 1.14
            Reporter: 丛鹏
             Fix For: 1.12.2


Hi, I'm using flink1.12.2 a problem is found when submitting the task of yarn application,
An example of the Flink official website submitting a task is
./bin/flink run-application -t yarn-application ./ examples/streaming/TopSpeedWindowing. jar
If some of them are misspelled, then yarn-application is written as yarn-appliation

One C is missing
Will report an error:
 
java.lang.IllegalStateException: No ClusterClientFactory found. If you were targeting a Yarn cluster, please make sure to export the HADOOP_CLASSPATH environment variable or have hadoop in your classpath. For more information refer to the "Deployment" section of the official Apache Flink documentation.
 
BUT
 
I saw that the code is the 213 line configuration set encapsulated by CliFrontend.java. There is a problem with effectiveconfiguration, resulting in DefaultClusterClientServiceLoader.Java: 83 judgment entry error
 
Finally, it leads to logical judgment  

if (compatibleFactories.isEmpty()) is true

 
then 
 "No ClusterClientFactory found. If you were targeting a Yarn cluster, "
                            + "please make sure to export the HADOOP_CLASSPATH environment variable or have hadoop in your "
                            + "classpath. For more information refer to the \"Deployment\" section of the official "
                            + "Apache Flink documentation."
 
Look at all the situations that lead to the failure of the encapsulation of the configuration class,Will prompt HADOOP_CLASSPATH environment 's reason
 
I think there is something wrong with the description of the error information here, which will lead to misleading. Users mistakenly think it is their own Hadoop_ There is a problem with the classpath environment. I hope you can reply 
 



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