Jake Maes created SAMZA-1345:
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Summary: Samza REST: ScriptRunner should better manage environment
variables.
Key: SAMZA-1345
URL: https://issues.apache.org/jira/browse/SAMZA-1345
Project: Samza
Issue Type: Improvement
Reporter: Jake Maes
Assignee: Jake Maes
The ScriptRunner class used in Samza REST uses ProcessBuilder to execute
scripts for job start/stop/status as well as various other operations.
ProcessBuilder, by default, forwards all environment variables from the parent
process to the spawned process and this can cause unexpected behaviors.
For example, if samza rest configures one type of log4j configuration, the
script invoked on that job will use the same configuration, even if the job
expects a different configuration.
The minimum requirement for this ticket is to clear the environment variables
using
`processBuilder.environment().clear()`
Even better, we could provide some mechanism in the ScriptRunner to set
specific environment variables.
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