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ERROR DataTransformerLauncher - Unable to detect Spark version by running command

Attempting to run the simplest of pipeline and everytime i attempt to start I get this error:

ERROR DataTransformerLauncher - Unable to detect Spark version by running command /opt/streamsets/spark/bin/spark-submit --version

Why?

When I SSH on to the AMI instance, and I run the same command it works:

[ec2-user@ip-xxx-xxx-xxx-xxx transformer]$ /opt/streamsets/spark/bin/spark-submit --version
Welcome to
      ____              __
     / __/__  ___ _____/ /__
    _\ \/ _ \/ _ `/ __/  '_/
   /___/ .__/\_,_/_/ /_/\_\   version 2.4.5
      /_/

Using Scala version 2.11.12, OpenJDK 64-Bit Server VM, 1.8.0_242
Branch HEAD
Compiled by user centos on 2020-02-02T20:01:52Z
Revision cee4ecbb16917fa85f02c635925e2687400aa56b
Url https://gitbox.apache.org/repos/asf/spark.git
Type --help for more information.
[ec2-user@ip-xxx-xxx-xxx-xxx transformer]$

What configuration setting am I missing?