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https://issues.apache.org/jira/browse/FLINK-24601?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17432484#comment-17432484
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Yuepeng Pan commented on FLINK-24601:
-------------------------------------
!sourcecode.png!
Maybe you could debug the marked line to observe if the jobGraphName is really
null at rest client side before submition.
> Error in submitting the job
> ---------------------------
>
> Key: FLINK-24601
> URL: https://issues.apache.org/jira/browse/FLINK-24601
> Project: Flink
> Issue Type: Bug
> Reporter: Shyam
> Priority: Major
> Attachments: sourcecode.png
>
>
> I am new to Flink. I have done Flink 1.14.0 standalone installation in AWS
> server and written a simple job in java 1.8. I am new to Flink. I have done
> Flink 1.14.0 standalone installation in AWS server and written a simple job
> in java 1.8.
>
> {code:java}
> DataSet<String> set = executionEnvironment.fromCollection(text);
> DataSet<String> upperCase = set.map(s -> s.toUpperCase());
> upperCase.count();
> executionEnvironment.execute("sample job");
> {code}
>
> When I run the code, I get the following error in Flink runtime
>
> {code:java}
> 2021-10-19 16:00:51.398 WARN 14358 — [-netty-thread-1]
> o.a.f.c.program.rest.RestClusterClient : Attempt to submit job 'Flink Java
> Job at Tue Oct 19 16:00:38 IST 2021' (f38d6a987100a98662e10ada551d05b9) to
> 'http://xx.xx.xx.xx:8081' has failed.
> java.util.concurrent.CompletionException:
> org.apache.flink.runtime.rest.ConnectionClosedException: Channel became
> inactive. at
> java.util.concurrent.CompletableFuture.encodeRelay(CompletableFuture.java:326)
> [na:1.8.0_292] at
> java.util.concurrent.CompletableFuture.completeRelay(CompletableFuture.java:338)
> [na:1.8.0_292] at
> java.util.concurrent.CompletableFuture.uniRelay(CompletableFuture.java:925)
> [na:1.8.0_292] at
> java.util.concurrent.CompletableFuture$UniRelay.tryFire(CompletableFuture.java:913)
> ~[na:1.8.0_292] at
> java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:488)
> [na:1.8.0_292] at
> java.util.concurrent.CompletableFuture.completeExceptionally(CompletableFuture.java:1990)
> [na:1.8.0_292] at
> org.apache.flink.runtime.rest.RestClient$ClientHandler.channelInactive(RestClient.java:634)
> ~[flink-runtime-1.14.0.jar:1.14.0]{code}
>
>
> My job is retrying to submit the job for the multiple times and finally
> stopped with another message
> {code:java}
> org.apache.flink.runtime.rest.util.RestClientException:
> [org.apache.flink.runtime.rest.handler.RestHandlerException: The
> jobGraphFileName field must not be omitted or be null. at
> org.apache.flink.runtime.rest.handler.job.JobSubmitHandler.handleRequest(JobSubmitHandler.java:105){code}
> Note: I checked the Flink and java version in my app and server. Everything
> is the same (Flink 1.4.0 & java 1.8)
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