[FALCON-1501] Hive DR export stage fail, if no source events are available

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Invalid
• Component/s: replication
• Assignee: Peeyush Bishnoi
• Reporter: Peeyush Bishnoi
• Created: 30/Sep/15 10:39
• Updated: 21/Oct/15 21:45
• Resolved: 02/Oct/15 12:25

Description

Hive DR export stage fail with exception, if there are no source events available.

2015-09-30 10:32:31,211 INFO [main] org.apache.falcon.hive.HiveDRTool: Cleaning staging directories
2015-09-30 10:32:31,221 ERROR [main] org.apache.falcon.hive.HiveDRTool: Couldn't complete HiveDR operation: 
java.lang.NullPointerException
	at org.apache.falcon.hive.util.EventSourcerUtils.cleanUpEventInputDir(EventSourcerUtils.java:182)
	at org.apache.falcon.hive.HiveDRTool.cleanInputDir(HiveDRTool.java:330)
	at org.apache.falcon.hive.HiveDRTool.cleanup(HiveDRTool.java:335)
	at org.apache.falcon.hive.HiveDRTool.run(HiveDRTool.java:119)
	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
	at org.apache.falcon.hive.HiveDRTool.main(HiveDRTool.java:320)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:606)
	at org.apache.oozie.action.hadoop.JavaMain.run(JavaMain.java:56)