i create coordinator and i scheduled it to run every 20 minutes . it work fine for the beginning .after a while , i try to test it another time but it stuck in running state .
oozie message
ACCEPTED: waiting for AM container to be allocated, launched and register with RM
log coordinator
WARN CoordActionReadyXCommand:523 - SERVER[node4.bigdatau] USER[root] GROUP[-] TOKEN[] APP[every-fifteen-minutes] JOB[0000000-160629100441216-oozie-oozi-C] ACTION[] No actions to start for jobId=0000000-160629100441216-oozie-oozi-C as max concurrency reached!
log workflow
WARN ResumeXCommand:523 - SERVER[node4.bigdatau] USER[root] GROUP[-] TOKEN[] APP[WorkFlowForPigAction] JOB[0000001-160629100441216-oozie-oozi-W] ACTION[] E1100: Command precondition does not hold before execution, [workflow's status is RUNNING is not SUSPENDED], Error Code: E1100