[LENS-223] NPE while adding resources

• Type: Bug
• Status: Closed
• Priority: Critical
• Resolution: Fixed
• Affects Version/s: 2.0
• Fix Version/s: 2.0
• Component/s: server
• Assignee: Amareshwari Sriramadasu
• Reporter: Amareshwari Sriramadasu
• Created: 22/Jan/15 05:58
• Updated: 04/Feb/15 11:27
• Resolved: 23/Jan/15 04:34

Description

Hitting following NPE, because of changes in LENS-203, while adding resources and when there are multiple drivers :

22 Jan 2015 11:21:06,346 [Grizzly-worker(3)] WARN  org.glassfish.jersey.server.ServerRuntime$Responder  - WebApplicationException cause:
java.lang.NullPointerException
  at org.apache.lens.driver.hive.HiveDriver.execute(HiveDriver.java:385)
  at org.apache.lens.server.query.QueryExecutionServiceImpl.addResource(QueryExecutionServiceImpl.java:1821)
  at org.apache.lens.server.session.HiveSessionService.addResourceToAllServices(HiveSessionService.java:82)
  at org.apache.lens.server.session.SessionResource.addResource(SessionResource.java:156)
  at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
  at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)

Got missed as we don't have any tests running with more than one driver. Hit it when i was doing local test with multiple drivers.