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## What changes were proposed in this pull request? Currently if we run ``` sh start-thriftserver.sh -h ``` we get ``` ... Thrift server options: 2018-10-15 21:45:39 INFO HiveThriftServer2:54 - Starting SparkContext 2018-10-15 21:45:40 INFO SparkContext:54 - Running Spark version 2.3.2 2018-10-15 21:45:40 WARN NativeCodeLoader:62 - Unable to load native-hadoop library for your platform... using builtin-java classes where applicable 2018-10-15 21:45:40 ERROR SparkContext:91 - Error initializing SparkContext. org.apache.spark.SparkException: A master URL must be set in your configuration at org.apache.spark.SparkContext.<init>(SparkContext.scala:367) at org.apache.spark.SparkContext$.getOrCreate(SparkContext.scala:2493) at org.apache.spark.sql.SparkSession$Builder$$anonfun$7.apply(SparkSession.scala:934) at org.apache.spark.sql.SparkSession$Builder$$anonfun$7.apply(SparkSession.scala:925) at scala.Option.getOrElse(Option.scala:121) at org.apache.spark.sql.SparkSession$Builder.getOrCreate(SparkSession.scala:925) at org.apache.spark.sql.hive.thriftserver.SparkSQLEnv$.init(SparkSQLEnv.scala:48) at org.apache.spark.sql.hive.thriftserver.HiveThriftServer2$.main(HiveThriftServer2.scala:79) at org.apache.spark.sql.hive.thriftserver.HiveThriftServer2.main(HiveThriftServer2.scala) 2018-10-15 21:45:40 ERROR Utils:91 - Uncaught exception in thread main ``` After fix, the usage output is clean: ``` ... Thrift server options: --hiveconf <property=value> Use value for given property ``` Also exit with code 1, to follow other scripts(this is the behavior of parsing option `-h` for other linux commands as well). ## How was this patch tested? Manual test. Closes #22727 from gengliangwang/stsUsage. Authored-by: Gengliang Wang <gengliang.wang@databricks.com> Signed-off-by: Sean Owen <sean.owen@databricks.com> |
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