[HIVE-9716] Map job fails when table's LOCATION does not have scheme

• Type: Bug
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 0.12.0, 0.13.0, 0.14.0
• Fix Version/s: 1.2.0
• Component/s: Query Processor
• Assignee: Yongzhi Chen
• Reporter: Yongzhi Chen
• Created: 18/Feb/15 18:25
• Updated: 20/Aug/15 17:31
• Resolved: 25/Feb/15 00:23

Description

When a table's location (the value of column 'LOCATION' in SDS table in metastore) does not have a scheme, map job returns error. For example,
when do select count ( * ) from t1, get following exception:

15/02/18 12:29:43 [Thread-22]: WARN mapred.LocalJobRunner: job_local2120192529_0001
java.lang.Exception: java.lang.RuntimeException: java.lang.IllegalStateException: Invalid input path file:/user/hive/warehouse/t1/data
	at org.apache.hadoop.mapred.LocalJobRunner$Job.run(LocalJobRunner.java:354)
Caused by: java.lang.RuntimeException: java.lang.IllegalStateException: Invalid input path file:/user/hive/warehouse/t1/data
	at org.apache.hadoop.hive.ql.exec.mr.ExecMapper.map(ExecMapper.java:179)
	at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:50)
	at org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:430)
	at org.apache.hadoop.mapred.MapTask.run(MapTask.java:366)
	at org.apache.hadoop.mapred.LocalJobRunner$Job$MapTaskRunnable.run(LocalJobRunner.java:223)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
	at java.util.concurrent.FutureTask.run(FutureTask.java:262)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
	at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.IllegalStateException: Invalid input path file:/user/hive/warehouse/t1/data
	at org.apache.hadoop.hive.ql.exec.MapOperator.getNominalPath(MapOperator.java:406)
	at org.apache.hadoop.hive.ql.exec.MapOperator.cleanUpInputFileChangedOp(MapOperator.java:442)
	at org.apache.hadoop.hive.ql.exec.Operator.cleanUpInputFileChanged(Operator.java:1051)
	at org.apache.hadoop.hive.ql.exec.MapOperator.process(MapOperator.java:486)
	at org.apache.hadoop.hive.ql.exec.mr.ExecMapper.map(ExecMapper.java:170)
	... 9 more