Major Description
After introducing a bug into Mesos, I noticed that our command-executor's flags parsing did not identify protobuf parsing failures as such.
Specifically I had supplied a JSONed hashmap for the parameter "--task_environment" which should in fact have received a JSONified Protobuf Message typed Environment.
The executor which intends to parse the given flag into an Option<Environment> did not show any warnings but parsed this as a valid but empty Environment.