Invalid argument on command line with cause logging to produce NPE

[exalate-issue-sync]

Starting H2O with an invalid argument will cause logging system initialization to fail on NPE:

{noformat}ERROR: failed in createLog4j, exiting now.
java.lang.NullPointerException
at water.util.Log.createLog4j(Log.java:351)
at water.util.Log.write0(Log.java:141)
at water.util.Log.flushBufferedMessages(Log.java:158)
at water.util.Log.notifyAboutProcessExiting(Log.java:80)
at water.H2O.exit(H2O.java:960)
at water.H2O.parseFailed(H2O.java:472)
at water.H2O.parseH2OArgumentsTo(H2O.java:771)
at water.H2O.parseArguments(H2O.java:536)
at water.H2O.main(H2O.java:2209)
at water.H2OStarter.start(H2OStarter.java:22)
at water.H2OStarter.start(H2OStarter.java:48)
at water.H2OApp.main(H2OApp.java:12)
{noformat}

[h2o-ops]

JIRA Issue Details

Jira Issue: PUBDEV-8098
Assignee: Michal Kurka
Reporter: Michal Kurka
State: Resolved
Fix Version: 3.32.1.2
Attachments: N/A
Development PRs: Available

[h2o-ops]

Linked PRs from JIRA

#5426