Github user tillrohrmann commented on a diff in the pull request:
https://github.com/apache/flink/pull/5375#discussion_r164473535
--- Diff:
flink-runtime/src/main/java/org/apache/flink/runtime/taskexecutor/TaskManagerRunner.java
---
@@ -213,10 +226,11 @@ public static void main(String[] args) throws
Exception {
LOG.info("Cannot determine the maximum number of open
file descriptors");
}
- ParameterTool parameterTool = ParameterTool.fromArgs(args);
-
- final String configDir = parameterTool.get("configDir");
+ // try to parse the command line arguments
+ CommandLineParser parser = new DefaultParser();
+ CommandLine cmd = parser.parse(ALL_OPTIONS, args);
+ final String configDir = cmd.getOptionValue("configDir");
--- End diff --
Have you tried whether this actually works? It looks to me as if this will
always return `null`. Please write a test for it.
---