Sqoop2: Update existing job meets NPE ( regression from SQOOP 1510)

2014-11-04 14:41:57,981 ERROR server.SqoopProtocolServlet [org.apache.sqoop.server.SqoopProtocolServlet.doPut(SqoopProtocolServlet.java:84)] Exception in PUT http://localhost:12000/sqoop/v1/job/1
java.lang.NullPointerException
	at org.apache.sqoop.handler.JobRequestHandler.handleEvent(JobRequestHandler.java:105)
	at org.apache.sqoop.server.v1.JobServlet.handlePutRequest(JobServlet.java:96)
	at org.apache.sqoop.server.SqoopProtocolServlet.doPut(SqoopProtocolServlet.java:79)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:646)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:723)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:861)
	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:606)
	at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
	at java.lang.Thread.run(Thread.java:662)