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https://issues.apache.org/jira/browse/FLINK-8114?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16259261#comment-16259261
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Chesnay Schepler commented on FLINK-8114:
-----------------------------------------
The argument forwarding is pretty much completely broken. It only works for
exactly 1 argument. 0 arguments result in an empty string being passed as an
argument, multiple arguments are passed in as a single argument.
> NO-arg scripts are given an empty string as argument
> ----------------------------------------------------
>
> Key: FLINK-8114
> URL: https://issues.apache.org/jira/browse/FLINK-8114
> Project: Flink
> Issue Type: Bug
> Components: Python API
> Affects Versions: 1.4.0
> Reporter: Chesnay Schepler
> Assignee: Chesnay Schepler
> Fix For: 1.4.0
>
>
> Each PythonStreamer instance passes the original program arguments to the
> python process upon creation. However, not check is made whether there were
> any arguments at all, which results in an empty String being passed as an
> argument.
> {code}
> process = Runtime.getRuntime().exec(new String[] {pythonBinaryPath, "-O",
> "-B", planPath, arguments});
> {code}
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