[jira] [Assigned] (FLINK-21024) Dynamic properties get exposed to job's main method if user parameters are passed

["Xintong Song (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLINK-21024?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Xintong Song reassigned FLINK-21024:
------------------------------------

    Assignee: Xintong Song

> Dynamic properties get exposed to job's main method if user parameters are passed
> ---------------------------------------------------------------------------------
>
>                 Key: FLINK-21024
>                 URL: https://issues.apache.org/jira/browse/FLINK-21024
>             Project: Flink
>          Issue Type: Bug
>          Components: Runtime / Configuration
>    Affects Versions: 1.12.1
>            Reporter: Matthias
>            Assignee: Xintong Song
>            Priority: Major
>              Labels: starter
>         Attachments: WordCount.jar
>
>
> A bug was identified in the [user ML|http://apache-flink-user-mailing-list-archive.2336050.n4.nabble.com/Flink-Application-cluster-standalone-job-some-JVM-Options-added-to-Program-Arguments-td40719.html] by Alexey exposing dynamic properties into the job user code.
> I was able to reproduce this issue by slightly adapting the WordCount example ({{org.apache.flink.streaming.examples.wordcount.WordCount2}} in attached  [^WordCount.jar] ).
> Initiating a standalone job without using the {{--input}} parameter will result in printing an empty array:
> {code}
> ./bin/standalone-job.sh start --job-classname org.apache.flink.streaming.examples.wordcount.WordCount2
> {code}
> The corresponding {{*.out}} file looks like this:
> {code}
> []
> Executing WordCount2 example with default input data set.
> Use --input to specify file input.
> Printing result to stdout. Use --output to specify output path.
> {code}
> In contrast, initiating the standalone job using the {{--input}} parameter will expose the dynamic properties:
> {code}
> ./bin/standalone-job.sh start --job-classname org.apache.flink.streaming.examples.wordcount.WordCount2 --input /opt/flink/config/flink-conf.yaml
> {code}
> Resulting in the following output:
> {code}
> [--input, /opt/flink/config/flink-conf.yaml, -D, jobmanager.memory.off-heap.size=134217728b, -D, jobmanager.memory.jvm-overhead.min=201326592b, -D, jobmanager.memory.jvm-metaspace.size=268435456b, -D, jobmanager.memory.heap.size=1073741824b, -D, jobmanager.memory.jvm-overhead.max=201326592b]
> Printing result to stdout. Use --output to specify output path.
> {code}
> Interestingly, this cannot be reproduced on a local standalone session cluster.



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