[jira] [Created] (FLINK-4058) Error uploading JAR with dependencies using flink.bat on a Windows stand-alone instance

[Shang Yuanchun (Jira)]

Mark Nadelson created FLINK-4058:
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             Summary: Error uploading JAR with dependencies using flink.bat on a Windows stand-alone instance
                 Key: FLINK-4058
                 URL: https://issues.apache.org/jira/browse/FLINK-4058
             Project: Flink
          Issue Type: Bug
            Reporter: Mark Nadelson
            Priority: Critical


Uploading a JAR with dependencies in a sub-directory causes an" Unable to create temporary file" IOException.  This occurs in org.apache.flink.client.program.PackagedProgram.extractContainedLibraries()

This because of the line "name = name.replace(File.separatorChar, '_');"

File.separatorChar in windows is the backslash (\) but files read from a Jar are always in the format of the forward slash (/).  Therefore the slash is never replaced with the '_'.   The fix is to remove the File.separatorChar with '/'.



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