I am trying to set both system properties and environment variables from
within Kepler on a Linux machine. I am executing my workflows through
KeplerWebService but I can get the same behavior if I type this command
from the command line in the directory KEPLERHOME.
java -Djava.awt.headless=true -classpath
build-area/lib/ant.jar:kepler.jar org.kepler.build.runner.Kepler -server
-repository=optensityARP -runwf -nogui
/tmp/kar/50.17.219.137:8080_knb_services_QueryService/7341.417.2.kar
I have a file
KEPLERHOME/kepler-2.2/resources/system.properties/kepler.properties with
the following single line
WSX=yum
I have another file KEPLERHOME/kepler-2.2/module-info/environment.txt
with the following single line
QAZ=/tmp/
I built a workflow with an actor that contains the following lines of code:
System.out.println("Environment");
System.out.println(System.getenv().toString());
System.out.println("Properties");
System.out.println(System.getProperties());
When I run this actor, neither WSX or QAZ appears in the result that is
printed to the screen. Am I missing something about how to set
environment variables? I also know that the code Run.java in
org.kepler.build is printing to the screen "Set environment variable:
QAZ = /tmp/" yet it doesn't appear to be set when my actor tries to
access it.
My use case requires me to load a custom module which includes actors
that call native libraries and need to add entries to PATH, and
LD_LIBRARY_PATH as well as have a variable XUGGLE_HOME set as an
environment variable. I can easily set these variables using export
PATH, export LD_LIBRARY_PATH, and export XUGGLE_HOME, but I want these
variables to be loaded at run time so that new modules can be added with
different environment variables without a need to reconfigure the
machines where they are running.
Scott
--
Scott Zimmer
Optensity, Inc.
(512) 299-7218
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