spark git commit: [SPARK-5778] throw if nonexistent metrics config file provided

Repository: spark Updated Branches: refs/heads/branch-1.3 4a581aa3f -> 2bf2b56ef [SPARK-5778] throw if nonexistent metrics config file provided previous behavior was to log an error; this is fine in the general case where no `spark.metrics.conf` parameter was specified, in which case a default

spark git commit: [SPARK-5778] throw if nonexistent metrics config file provided

Repository: spark Updated Branches: refs/heads/master d8adefefc -> d8f69cf78 [SPARK-5778] throw if nonexistent metrics config file provided previous behavior was to log an error; this is fine in the general case where no `spark.metrics.conf` parameter was specified, in which case a default `me