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MediaPortal 1
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Communication Breakdown between Client and TV Server in Single-Seat Installation
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<blockquote data-quote="mm1352000" data-source="post: 1228796" data-attributes="member: 82144"><p>That's always helpful. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite24" alt="(y)" title="Thumbs Up (y)" loading="lazy" data-shortname="(y)" /></p><p></p><p>The log files show TV Server is stopping due to a database command timeout:</p><p>[collapse]</p><p>[2017-08-26 22:15:08,353] [Log ] [5 ] [INFO ] - Tvservice stopped due to an unhandled app domain exception System.NullReferenceException: Object reference not set to an instance of an object.</p><p> at MySql.Data.MySqlClient.MySqlCommand.TimeoutExpired(Object commandObject)</p><p> at System.Threading.TimerQueueTimer.CallCallbackInContext(Object state)</p><p> at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)</p><p> at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)</p><p> at System.Threading.TimerQueueTimer.CallCallback()</p><p> at System.Threading.TimerQueueTimer.Fire()</p><p> at System.Threading.TimerQueue.FireNextTimers()</p><p> at System.Threading.TimerQueue.AppDomainTimerCallback()[/collapse]</p><p></p><p>...and again:</p><p>[collapse]</p><p>[2017-08-25 17:20:07,964] [Log ] [16 ] [INFO ] - Tvservice stopped due to an unhandled app domain exception System.NullReferenceException: Object reference not set to an instance of an object.</p><p> at MySql.Data.MySqlClient.MySqlCommand.TimeoutExpired(Object commandObject)</p><p> at System.Threading.TimerQueueTimer.CallCallbackInContext(Object state)</p><p> at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)</p><p> at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)</p><p> at System.Threading.TimerQueueTimer.CallCallback()</p><p> at System.Threading.TimerQueueTimer.Fire()</p><p> at System.Threading.TimerQueue.FireNextTimers()</p><p> at System.Threading.TimerQueue.AppDomainTimerCallback()[/collapse]</p><p></p><p>...and again:</p><p>[collapse]</p><p>[2017-08-21 10:46:40,077] [Log ] [13 ] [INFO ] - Tvservice stopped due to an unhandled app domain exception System.NullReferenceException: Object reference not set to an instance of an object.</p><p> at MySql.Data.MySqlClient.MySqlCommand.TimeoutExpired(Object commandObject)</p><p> at System.Threading.TimerQueueTimer.CallCallbackInContext(Object state)</p><p> at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)</p><p> at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx)</p><p> at System.Threading.TimerQueueTimer.CallCallback()</p><p> at System.Threading.TimerQueueTimer.Fire()</p><p> at System.Threading.TimerQueue.FireNextTimers()</p><p> at System.Threading.TimerQueue.AppDomainTimerCallback()[/collapse]</p><p></p><p>Evidence suggests all of these timeouts are happening because you're allowing your system to go to sleep (suspend/hibernate) while EPG grabbing:</p><p>[2017-08-26 18:37:52,117] [EPG ] [EPG Update thread] [INFO ] - IdleEpgGrabber: Rai News lastUpdate:26.08.2017 14:03:45</p><p>[2017-08-26 18:37:54,199] [Log ] [PowerEventThread] [INFO ] - TvController.OnSuspend()</p><p></p><p>...and again:</p><p>[2017-08-25 12:35:11,575] [EPG ] [EPG Update thread] [INFO ] - IdleEpgGrabber: SWR BW HD lastUpdate:25.08.2017 08:42:16</p><p>[2017-08-25 12:35:38,991] [Log ] [PowerEventThread] [INFO ] - TvController.OnSuspend()</p><p></p><p>...and again:</p><p>[2017-08-21 09:45:05,695] [EPG ] [EPG Update thread] [INFO ] - IdleEpgGrabber: Tele 1 lastUpdate:21.08.2017 08:45:11</p><p>[2017-08-21 09:45:30,884] [Log ] [PowerEventThread] [INFO ] - TvController.OnSuspend()</p><p></p><p></p><p>Obviously the associated database commands (create/update EPG program details) will timeout (reach time limit) if you allow or force the system suspend/hibernate while they're running!</p><p></p><p>Configure PowerScheduler properly (enable "do not put the computer to sleep while grabbing EPG") to prevent that from happening.</p><p><a href="https://www.team-mediaportal.com/wiki/display/MediaPortal1/Server+Configuration#ServerConfiguration-EPG" target="_blank">Server Configuration - MediaPortal 1 - MediaPortal Wiki</a></p><p></p><p>From experience, I suspect you may enable that option... then some days later you may notice your PC isn't going to sleep anymore. That will be because you haven't configured the DVB EPG grabber appropriately. So please check your EPG grabber configuration (ie. ensure only one channel per provider/transponder are ticked <strong>for both TV and radio</strong> etc.) as well.</p></blockquote><p></p>
[QUOTE="mm1352000, post: 1228796, member: 82144"] That's always helpful. (y) The log files show TV Server is stopping due to a database command timeout: [collapse] [2017-08-26 22:15:08,353] [Log ] [5 ] [INFO ] - Tvservice stopped due to an unhandled app domain exception System.NullReferenceException: Object reference not set to an instance of an object. at MySql.Data.MySqlClient.MySqlCommand.TimeoutExpired(Object commandObject) at System.Threading.TimerQueueTimer.CallCallbackInContext(Object state) at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx) at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx) at System.Threading.TimerQueueTimer.CallCallback() at System.Threading.TimerQueueTimer.Fire() at System.Threading.TimerQueue.FireNextTimers() at System.Threading.TimerQueue.AppDomainTimerCallback()[/collapse] ...and again: [collapse] [2017-08-25 17:20:07,964] [Log ] [16 ] [INFO ] - Tvservice stopped due to an unhandled app domain exception System.NullReferenceException: Object reference not set to an instance of an object. at MySql.Data.MySqlClient.MySqlCommand.TimeoutExpired(Object commandObject) at System.Threading.TimerQueueTimer.CallCallbackInContext(Object state) at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx) at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx) at System.Threading.TimerQueueTimer.CallCallback() at System.Threading.TimerQueueTimer.Fire() at System.Threading.TimerQueue.FireNextTimers() at System.Threading.TimerQueue.AppDomainTimerCallback()[/collapse] ...and again: [collapse] [2017-08-21 10:46:40,077] [Log ] [13 ] [INFO ] - Tvservice stopped due to an unhandled app domain exception System.NullReferenceException: Object reference not set to an instance of an object. at MySql.Data.MySqlClient.MySqlCommand.TimeoutExpired(Object commandObject) at System.Threading.TimerQueueTimer.CallCallbackInContext(Object state) at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx) at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state, Boolean preserveSyncCtx) at System.Threading.TimerQueueTimer.CallCallback() at System.Threading.TimerQueueTimer.Fire() at System.Threading.TimerQueue.FireNextTimers() at System.Threading.TimerQueue.AppDomainTimerCallback()[/collapse] Evidence suggests all of these timeouts are happening because you're allowing your system to go to sleep (suspend/hibernate) while EPG grabbing: [2017-08-26 18:37:52,117] [EPG ] [EPG Update thread] [INFO ] - IdleEpgGrabber: Rai News lastUpdate:26.08.2017 14:03:45 [2017-08-26 18:37:54,199] [Log ] [PowerEventThread] [INFO ] - TvController.OnSuspend() ...and again: [2017-08-25 12:35:11,575] [EPG ] [EPG Update thread] [INFO ] - IdleEpgGrabber: SWR BW HD lastUpdate:25.08.2017 08:42:16 [2017-08-25 12:35:38,991] [Log ] [PowerEventThread] [INFO ] - TvController.OnSuspend() ...and again: [2017-08-21 09:45:05,695] [EPG ] [EPG Update thread] [INFO ] - IdleEpgGrabber: Tele 1 lastUpdate:21.08.2017 08:45:11 [2017-08-21 09:45:30,884] [Log ] [PowerEventThread] [INFO ] - TvController.OnSuspend() Obviously the associated database commands (create/update EPG program details) will timeout (reach time limit) if you allow or force the system suspend/hibernate while they're running! Configure PowerScheduler properly (enable "do not put the computer to sleep while grabbing EPG") to prevent that from happening. [URL="https://www.team-mediaportal.com/wiki/display/MediaPortal1/Server+Configuration#ServerConfiguration-EPG"]Server Configuration - MediaPortal 1 - MediaPortal Wiki[/URL] From experience, I suspect you may enable that option... then some days later you may notice your PC isn't going to sleep anymore. That will be because you haven't configured the DVB EPG grabber appropriately. So please check your EPG grabber configuration (ie. ensure only one channel per provider/transponder are ticked [B]for both TV and radio[/B] etc.) as well. [/QUOTE]
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