NPE when trying to play announcement

[abhayani]

We get below NPE when trying to play announcement. I am not sure if this is because the media file format was unsupported by MMS?

2016-05-26 06:52:44,045 DEBUG MgcpProvider Dispatching message
2016-05-26 06:52:44,046 INFO MgcpTransaction tx=147533879 Started, message= MDCX mobicents/ivr/956@10.172.241.2:2527, call agent = /10.172.241.2:2827
2016-05-26 06:52:44,050 ERROR Task Could not execute task 8425: null
java.lang.NullPointerException
at org.mobicents.media.server.mgcp.pkg.au.Play.startAnnouncementPhase(Play.java:176)
at org.mobicents.media.server.mgcp.pkg.au.Play.execute(Play.java:115)
at org.mobicents.media.server.mgcp.controller.Request.execute(Request.java:142)
at org.mobicents.media.server.mgcp.tx.cmd.NotificationRequestCmd$Executor.perform(NotificationRequestCmd.java:213)
at org.mobicents.media.server.scheduler.Task.run(Task.java:122)
at org.mobicents.media.server.scheduler.PriorityQueueScheduler$WorkerThread.run(PriorityQueueScheduler.java:424)
2016-05-26 06:52:44,051 ERROR MgcpTransaction tx=147533875 Failed
java.lang.NullPointerException
at org.mobicents.media.server.mgcp.pkg.au.Play.startAnnouncementPhase(Play.java:176)
at org.mobicents.media.server.mgcp.pkg.au.Play.execute(Play.java:115)
at org.mobicents.media.server.mgcp.controller.Request.execute(Request.java:142)
at org.mobicents.media.server.mgcp.tx.cmd.NotificationRequestCmd$Executor.perform(NotificationRequestCmd.java:213)
at org.mobicents.media.server.scheduler.Task.run(Task.java:122)
at org.mobicents.media.server.scheduler.PriorityQueueScheduler$WorkerThread.run(PriorityQueueScheduler.java:424)
2016-05-26 06:52:44,051 INFO MgcpTransaction tx=147533875 Rolled back
2016-05-26 06:52:44,116 INFO MgcpTransaction tx=147533877 was executed normaly

[hrosa]

Seems to be concurrency problem when prompt phase is terminated prematurely.