Description
Both the documentation and specification say that the "should-start" SLA field is optional, however, if you don't include it, you get an Exception and the job/action fails.
On a workflow, it fails at submission time with this Exception in the log:
2014-05-12 16:00:22,804 ERROR org.apache.oozie.command.wf.SubmitXCommand: SERVER[rkanter-5.ent.cloudera.com] USER[admin] GROUP[-] TOKEN[] APP[MapReduce-SLA] JOB[0000001-140505141334644-oozie-oozi-W] ACTION[-] XException, org.apache.oozie.command.CommandException: E0803: IO error, E1007: Unable to add record for SLA. [workflow 0000001-140505141334644-oozie-oozi-W], should-start can't be empty at org.apache.oozie.command.wf.SubmitXCommand.execute(SubmitXCommand.java:279) at org.apache.oozie.command.wf.SubmitXCommand.execute(SubmitXCommand.java:76) at org.apache.oozie.command.XCommand.call(XCommand.java:280) at org.apache.oozie.DagEngine.submitJob(DagEngine.java:109) at org.apache.oozie.servlet.V1JobsServlet.submitWorkflowJob(V1JobsServlet.java:188) at org.apache.oozie.servlet.V1JobsServlet.submitJob(V1JobsServlet.java:88) at org.apache.oozie.servlet.BaseJobsServlet.doPost(BaseJobsServlet.java:99) at javax.servlet.http.HttpServlet.service(HttpServlet.java:727) at org.apache.oozie.servlet.JsonRestServlet.service(JsonRestServlet.java:287) at javax.servlet.http.HttpServlet.service(HttpServlet.java:820) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.oozie.servlet.AuthFilter$2.doFilter(AuthFilter.java:126) at org.apache.hadoop.security.authentication.server.AuthenticationFilter.doFilter(AuthenticationFilter.java:384) at org.apache.oozie.servlet.AuthFilter.doFilter(AuthFilter.java:131) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.oozie.servlet.HostnameFilter.doFilter(HostnameFilter.java:84) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:861) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:606) at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489) at java.lang.Thread.run(Thread.java:744) Caused by: org.apache.oozie.command.CommandException: E1007: Unable to add record for SLA. [workflow 0000001-140505141334644-oozie-oozi-W], should-start can't be empty at org.apache.oozie.command.wf.SubmitXCommand.writeSLARegistration(SubmitXCommand.java:343) at org.apache.oozie.command.wf.SubmitXCommand.execute(SubmitXCommand.java:222) ... 29 more Caused by: java.lang.RuntimeException: should-start can't be empty at org.apache.oozie.util.db.SLADbOperations.createSlaRegistrationEvent(SLADbOperations.java:124) at org.apache.oozie.command.wf.SubmitXCommand.writeSLARegistration(SubmitXCommand.java:319) ... 30 more
For a coordinator, you get a similar Exception when trying to materialize the action:
2014-05-12 13:24:50,603 ERROR CoordMaterializeTransitionXCommand:536 - SERVER[p0106.mtv.cloudera.com] USER[wypoon] GROUP[-] TOKEN[] APP[aggregator-coord] JOB[0000032-140511190910971-oozie-oozi-C] ACTION[-] Exception occurred:should-start can't be empty Making the job failed java.lang.RuntimeException: should-start can't be empty at org.apache.oozie.util.db.SLADbOperations.createSlaRegistrationEvent(SLADbOperations.java:124) at org.apache.oozie.command.coord.CoordMaterializeTransitionXCommand.writeActionSlaRegistration(CoordMaterializeTransitionXCommand.java:435) at org.apache.oozie.command.coord.CoordMaterializeTransitionXCommand.storeToDB(CoordMaterializeTransitionXCommand.java:425) at org.apache.oozie.command.coord.CoordMaterializeTransitionXCommand.materializeActions(CoordMaterializeTransitionXCommand.java:391) at org.apache.oozie.command.coord.CoordMaterializeTransitionXCommand.materialize(CoordMaterializeTransitionXCommand.java:267) at org.apache.oozie.command.MaterializeTransitionXCommand.execute(MaterializeTransitionXCommand.java:72) at org.apache.oozie.command.MaterializeTransitionXCommand.execute(MaterializeTransitionXCommand.java:28) at org.apache.oozie.command.XCommand.call(XCommand.java:280) at org.apache.oozie.service.CallableQueueService$CallableWrapper.run(CallableQueueService.java:174) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:744) 2014-05-12 13:24:50,621 ERROR CoordMaterializeTransitionXCommand:536 - SERVER[p0106.mtv.cloudera.com] USER[wypoon] GROUP[-] TOKEN[] APP[aggregator-coord] JOB[0000032-140511190910971-oozie-oozi-C] ACTION[-] XException, org.apache.oozie.command.CommandException: E1012: Coord Job Materialization Error: should-start can't be empty at org.apache.oozie.command.coord.CoordMaterializeTransitionXCommand.materialize(CoordMaterializeTransitionXCommand.java:286) at org.apache.oozie.command.MaterializeTransitionXCommand.execute(MaterializeTransitionXCommand.java:72) at org.apache.oozie.command.MaterializeTransitionXCommand.execute(MaterializeTransitionXCommand.java:28) at org.apache.oozie.command.XCommand.call(XCommand.java:280) at org.apache.oozie.service.CallableQueueService$CallableWrapper.run(CallableQueueService.java:174) 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:744) Caused by: java.lang.RuntimeException: should-start can't be empty at org.apache.oozie.util.db.SLADbOperations.createSlaRegistrationEvent(SLADbOperations.java:124) at org.apache.oozie.command.coord.CoordMaterializeTransitionXCommand.writeActionSlaRegistration(CoordMaterializeTransitionXCommand.java:435) at org.apache.oozie.command.coord.CoordMaterializeTransitionXCommand.storeToDB(CoordMaterializeTransitionXCommand.java:425) at org.apache.oozie.command.coord.CoordMaterializeTransitionXCommand.materializeActions(CoordMaterializeTransitionXCommand.java:391) at org.apache.oozie.command.coord.CoordMaterializeTransitionXCommand.materialize(CoordMaterializeTransitionXCommand.java:267) ... 7 more