[GH-16351] Do not call System.exit from water.tools

h2oai / h2o-3

H2O is an Open Source, Distributed, Fast & Scalable Machine Learning Platform: Deep Learning, Gradient Boosting (GBM) & XGBoost, Random Forest, Generalized Linear Modeling (GLM with Elastic Net), K-Means, PCA, Generalized Additive Models (GAM), RuleFit, Support Vector Machine (SVM), Stacked Ensembles, Automatic Machine Learning (AutoML), etc.

Apache License 2.0

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@krasinski

Your fix has stopped h2o-3 cluster from crashing. I ran the following:

curl http://localhost:54321/99/Rapids --data-urlencode 'ast=(run_tool "MojoConvertTool" ["", "", "", ""])'

and got the following result:

From talking to @mmalohlava , he does not want to see the whole stack, just the error message which in this case is

"Caused by:java.lang.IllegalArgumentException: Specified MOJO file (/Users/wendycwong/h2o-3) doesn't exist!",

I took a look and think this is the file that passes everything over:

RapidsHandler.java around line 38 where the whole stack errors are passed as well.

h2oai / h2o-3

[GH-16351] Do not call System.exit from water.tools #16366