# Wowza Developer Dojo

**URL:** https://community.wowza.com/c/wowza-developer-dojo/10.md?page=4

[Latest](https://community.wowza.com/latest.md) · [Categories](https://community.wowza.com/categories.md) · [Tags](https://community.wowza.com/tags.md)

**Page:** 5

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## [Reminder! Discontinuing GoCoder SDK, Wowza Player and Ultra Low Latency](https://community.wowza.com/t/reminder-discontinuing-gocoder-sdk-wowza-player-and-ultra-low-latency/55104)

<div class="topic-metadata">

**Author:** [@Rose\_Power-Wowza\_Com](https://community.wowza.com/u/Rose_Power-Wowza_Com)\
**Replies:** 0\
**Last updated:** [May 4, 2020, 1:36pm UTC](https://community.wowza.com/t/reminder-discontinuing-gocoder-sdk-wowza-player-and-ultra-low-latency/55104 "2020-05-04T13:36:33Z")

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If have not yet read the notice on our website or in the email that was sent to all our customers please take note: Wowza Player, Wowza GoCoder SDK, and the technology powering the Ultra Low Latency service in Wowza Str…

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## [Live Video Streaming Plugin for Wordpress](https://community.wowza.com/t/live-video-streaming-plugin-for-wordpress/35454)

<div class="topic-metadata">

**Author:** [@Stan\_Weatherby](https://community.wowza.com/u/Stan_Weatherby)\
**Replies:** 6\
**Last updated:** [April 18, 2020, 4:57pm UTC](https://community.wowza.com/t/live-video-streaming-plugin-for-wordpress/35454 "2020-04-18T16:57:36Z")

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Hello, We have just released a very nice WordPress Plugin for offering live video streaming to clients using the Wowza media Server or our Live Video Streaming Network \[Wowza Also\]. Here is a live demo of it: http://ww…

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## [AMLST for live DASH & HLS](https://community.wowza.com/t/amlst-for-live-dash-hls/54814)

<div class="topic-metadata">

**Author:** [@mikhail\_Kartashov](https://community.wowza.com/u/mikhail_Kartashov)\
**Replies:** 2\
**Last updated:** [April 1, 2020, 11:42am UTC](https://community.wowza.com/t/amlst-for-live-dash-hls/54814 "2020-04-01T11:42:26Z")

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Hello! I’m trying to use amlst to generate manifests with multiple audio tracks: http://community.wowza.com/community/questions/43510/mpeg-dash-vod-with-alternate-audio-tracks-and-usin.html I have 4 video-only streams and …

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## [How to get concurrent live viewers via REST API?](https://community.wowza.com/t/how-to-get-concurrent-live-viewers-via-rest-api/52903)

<div class="topic-metadata">

**Author:** [@Mikael\_LA\_nnroth](https://community.wowza.com/u/Mikael_LA_nnroth)\
**Replies:** 4\
**Last updated:** [March 30, 2020, 7:49pm UTC](https://community.wowza.com/t/how-to-get-concurrent-live-viewers-via-rest-api/52903 "2020-03-30T19:49:19Z")

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I’m a bit lost here. In the Java SDK there is the connectioncounts call but in the cloud API I can only find live\_streams/xxx/stats which gives something called “unique\_views” wich “begins to update approximately 2 hours…

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## [Timestamp sent by IP Camera(AXIS M1125)](https://community.wowza.com/t/timestamp-sent-by-ip-camera-axis-m1125/53351)

<div class="topic-metadata">

**Author:** [@Momo\_MoKA](https://community.wowza.com/u/Momo_MoKA)\
**Replies:** 4\
**Last updated:** [March 30, 2020, 3:59pm UTC](https://community.wowza.com/t/timestamp-sent-by-ip-camera-axis-m1125/53351 "2020-03-30T15:59:14Z")

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I would like to get the Timestamp sent by IP Camera(AXIS M1125) inside Sending Report (RTCP). my solution : I try to intercept RTP packet with IRTPDePacketizerWrapper but i can’t find method in this interface to extract…

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## [How to destroy an existing instance so multiple streams do not play simultaneously?](https://community.wowza.com/t/how-to-destroy-an-existing-instance-so-multiple-streams-do-not-play-simultaneously/174)

<div class="topic-metadata">

**Author:** [@system](https://community.wowza.com/u/system)\
**Replies:** 5\
**Last updated:** [March 21, 2020, 3:01am UTC](https://community.wowza.com/t/how-to-destroy-an-existing-instance-so-multiple-streams-do-not-play-simultaneously/174 "2020-03-21T03:01:00Z")

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I am making new instances of WowzaPlayer.create(‘playerElement’, etc etc I end up with all videos playing at once. How do I destroy the existing one before making a new one? Thanks,

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## [Listener for IDvrConverter?](https://community.wowza.com/t/listener-for-idvrconverter/54815)

<div class="topic-metadata">

**Author:** [@mikhail\_Kartashov](https://community.wowza.com/u/mikhail_Kartashov)\
**Replies:** 5\
**Last updated:** [March 18, 2020, 3:33pm UTC](https://community.wowza.com/t/listener-for-idvrconverter/54815 "2020-03-18T15:33:46Z")

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Hello! https://www.wowza.com/docs/how-to-extract-mp4-formatted-files-from-dvr-streams-using-wowza-streaming-engine-java-api Is there a way to do some action after dvrConverter has finished converting VOD from DVR?

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## [How do I use wowza cloud and wowza streaming engine in flutter?](https://community.wowza.com/t/how-do-i-use-wowza-cloud-and-wowza-streaming-engine-in-flutter/54684)

<div class="topic-metadata">

**Author:** [@Ekemini\_Stephen](https://community.wowza.com/u/Ekemini_Stephen)\
**Replies:** 2\
**Last updated:** [March 13, 2020, 8:27am UTC](https://community.wowza.com/t/how-do-i-use-wowza-cloud-and-wowza-streaming-engine-in-flutter/54684 "2020-03-13T08:27:51Z")

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I want to develop a broadcast app using wowza, and I want do this with google flutter so that I can develop for both android and iOS.

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## [Clear dvr without stream restart](https://community.wowza.com/t/clear-dvr-without-stream-restart/54781)

<div class="topic-metadata">

**Author:** [@mikhail\_Kartashov](https://community.wowza.com/u/mikhail_Kartashov)\
**Replies:** 2\
**Last updated:** [March 13, 2020, 7:44am UTC](https://community.wowza.com/t/clear-dvr-without-stream-restart/54781 "2020-03-13T07:44:57Z")

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Hello! I’d like to have opportunity to save DVR after stream restart but sometimes I need to clean it by hand. Can I clear DVR for stream/application by some api call? I’ve found purgeEntries method in https://www.wow…

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## [Fastly HMAC authentication for playback not working](https://community.wowza.com/t/fastly-hmac-authentication-for-playback-not-working/54717)

<div class="topic-metadata">

**Author:** [@Thomas\_B](https://community.wowza.com/u/Thomas_B)\
**Replies:** 17\
**Last updated:** [March 10, 2020, 3:45pm UTC](https://community.wowza.com/t/fastly-hmac-authentication-for-playback-not-working/54717 "2020-03-10T15:45:08Z")

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Hi, At the moment I am trying to configure token authentication for playback from the Fastly CDN. I used the python example supplied by Wowza. The stream id is added, the expiration is added, but we keep on getting 403 …

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## [How to identify current connections for each stream in smil file?](https://community.wowza.com/t/how-to-identify-current-connections-for-each-stream-in-smil-file/50584)

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**Author:** [@Denis\_SA](https://community.wowza.com/u/Denis_SA)\
**Replies:** 2\
**Last updated:** [March 4, 2020, 7:22pm UTC](https://community.wowza.com/t/how-to-identify-current-connections-for-each-stream-in-smil-file/50584 "2020-03-04T19:22:31Z")

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Hi, I try to find out in REST API how to identify current connections to every stream, which are indicated in smil file. I use several streams in smil files for different quality. And point player to smil file via http h…

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## [Wowza IDE Will not install](https://community.wowza.com/t/wowza-ide-will-not-install/54744)

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**Author:** [@Adam\_Denny](https://community.wowza.com/u/Adam_Denny)\
**Replies:** 4\
**Last updated:** [March 2, 2020, 10:34pm UTC](https://community.wowza.com/t/wowza-ide-will-not-install/54744 "2020-03-02T22:34:58Z")

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Tried following the steps here: https://www.wowza.com/docs/how-to-extend-wowza-streaming-engine-using-the-wowza-ide In both latest version of Eclipse IDE and in Neon. When attempting to add the link https://www.wowza.co…

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## [stream view count using Java API](https://community.wowza.com/t/stream-view-count-using-java-api/54691)

<div class="topic-metadata">

**Author:** [@ss\_cx](https://community.wowza.com/u/ss_cx)\
**Replies:** 6\
**Last updated:** [February 24, 2020, 8:40pm UTC](https://community.wowza.com/t/stream-view-count-using-java-api/54691 "2020-02-24T20:40:59Z")

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What is the best way to get the current view count for an IMediaStream using the Java API? I was going to use getHTTPStreamerSessionCountsByName but even doing appInstance.getHTTPStreamerSessionCount() returns 0 even t…

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## [Engine REST API Start Stream](https://community.wowza.com/t/engine-rest-api-start-stream/54677)

<div class="topic-metadata">

**Author:** [@Manuel\_Sanchez\_Bart1](https://community.wowza.com/u/Manuel_Sanchez_Bart1)\
**Replies:** 3\
**Last updated:** [February 19, 2020, 12:11am UTC](https://community.wowza.com/t/engine-rest-api-start-stream/54677 "2020-02-19T00:11:35Z")

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Hello, We want to start a stream in an application using the engine REST API, but we haven’t found any method in the documentation to start o stop a stream. Can you tell us if there is any way? Regards, Rebeca

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## [Rest API check/unckeck Playback types](https://community.wowza.com/t/rest-api-check-unckeck-playback-types/53477)

<div class="topic-metadata">

**Author:** [@Sebastian\_Perez](https://community.wowza.com/u/Sebastian_Perez)\
**Replies:** 7\
**Last updated:** [February 17, 2020, 4:49pm UTC](https://community.wowza.com/t/rest-api-check-unckeck-playback-types/53477 "2020-02-17T16:49:13Z")

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Hi there, How can I check and uncheck all and each one options in Playback types? I mean, using Rest API I want to check/uncheck playback with HLS or RTMP or Smooth Streaming, the one on the main properties on each App…

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## [onAppStart after application restart](https://community.wowza.com/t/onappstart-after-application-restart/54650)

<div class="topic-metadata">

**Author:** [@mikhail\_Kartashov](https://community.wowza.com/u/mikhail_Kartashov)\
**Replies:** 2\
**Last updated:** [February 13, 2020, 6:05pm UTC](https://community.wowza.com/t/onappstart-after-application-restart/54650 "2020-02-13T18:05:37Z")

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Hello! I’d like to restore some settings after application restart in onAppStart function, but it seems, onAppStart event doesn’t call until something start publishing on this application. Is there some way to autostar…

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## [WebRTCDTLSServer.notifyAlertRaised: desc:internal\_error(80) error](https://community.wowza.com/t/webrtcdtlsserver-notifyalertraised-desc-internal-error-80-error/54641)

<div class="topic-metadata">

**Author:** [@Sebastiaan\_Peek](https://community.wowza.com/u/Sebastiaan_Peek)\
**Replies:** 1\
**Last updated:** [February 13, 2020, 5:34pm UTC](https://community.wowza.com/t/webrtcdtlsserver-notifyalertraised-desc-internal-error-80-error/54641 "2020-02-13T17:34:39Z")

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Hi, i keep getting this error. is not specific so i wonder if i can get some directions! WARN server comment 2020-02-12 08:12:08 - - - - - 55.628 - - - – - - - WebRTCDTLSServer.notifyAlertRaised: desc:internal\_error(80…

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## [Wowza cannot access Media Engine Api](https://community.wowza.com/t/wowza-cannot-access-media-engine-api/49986)

<div class="topic-metadata">

**Author:** [@Umut\_Tufanoglu1](https://community.wowza.com/u/Umut_Tufanoglu1)\
**Replies:** 2\
**Last updated:** [February 12, 2020, 11:28am UTC](https://community.wowza.com/t/wowza-cannot-access-media-engine-api/49986 "2020-02-12T11:28:22Z")

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I am trying to access the Api of the Wowza Media Engine with php. I am using the php framework Laravel which should not make a big difference. I am having this issue since 2 weeks and I have no clue how to proceed I go…

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## [SMIL FILE GENERATE WITH REST API](https://community.wowza.com/t/smil-file-generate-with-rest-api/54621)

<div class="topic-metadata">

**Author:** [@developer\_goplaybook](https://community.wowza.com/u/developer_goplaybook)\
**Replies:** 5\
**Last updated:** [February 11, 2020, 4:58pm UTC](https://community.wowza.com/t/smil-file-generate-with-rest-api/54621 "2020-02-11T16:58:57Z")

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I am trying to create a smil file with REST API. this is my CURL request: curl -X POST -H ‘Accept:application/json; charset=utf-8’ -H ‘Content-Type:application/json; charset=utf-8’ --digest --user ‘:’ http://localhost:…

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## [Duplicate stream to another application](https://community.wowza.com/t/duplicate-stream-to-another-application/54619)

<div class="topic-metadata">

**Author:** [@mikhail\_Kartashov](https://community.wowza.com/u/mikhail_Kartashov)\
**Replies:** 2\
**Last updated:** [February 11, 2020, 9:47am UTC](https://community.wowza.com/t/duplicate-stream-to-another-application/54619 "2020-02-11T09:47:50Z")

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Hello! I\`ve tried to use ModuleDuplicateStreams, and everythink is ok when I duplicate stream to different instance the same application (For example, from live/definst to live/newinst). But when I’ve tried to duplicate…

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## [how to enable RTMP publishing with require password authentication with REST API.?](https://community.wowza.com/t/how-to-enable-rtmp-publishing-with-require-password-authentication-with-rest-api/54599)

<div class="topic-metadata">

**Author:** [@developer\_goplaybook](https://community.wowza.com/u/developer_goplaybook)\
**Replies:** 3\
**Last updated:** [February 10, 2020, 7:46am UTC](https://community.wowza.com/t/how-to-enable-rtmp-publishing-with-require-password-authentication-with-rest-api/54599 "2020-02-10T07:46:54Z")

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Missing title. Missing body.

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## [How to notify my own api that a stream has stop or started?](https://community.wowza.com/t/how-to-notify-my-own-api-that-a-stream-has-stop-or-started/53078)

<div class="topic-metadata">

**Author:** [@John\_Decano](https://community.wowza.com/u/John_Decano)\
**Replies:** 3\
**Last updated:** [January 27, 2020, 2:43pm UTC](https://community.wowza.com/t/how-to-notify-my-own-api-that-a-stream-has-stop-or-started/53078 "2020-01-27T14:43:18Z")

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How to notify my own api that a stream has stop or started? I am using Cloud Rest API. I was wondering if there is some kind of webhook that i can use? so that can i have an api endpoint e.g api/v1/webhooks where i can c…

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## [wowza player to android and apple](https://community.wowza.com/t/wowza-player-to-android-and-apple/54508)

<div class="topic-metadata">

**Author:** [@Paul\_Santos](https://community.wowza.com/u/Paul_Santos)\
**Replies:** 3\
**Last updated:** [January 23, 2020, 3:06pm UTC](https://community.wowza.com/t/wowza-player-to-android-and-apple/54508 "2020-01-23T15:06:31Z")

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Hi can you guide me with information on how to setup an app for android and one for apple with the wowza player? Thanks

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## [How can I create a Facebook Live stream target through Wowza Streaming Cloud API?](https://community.wowza.com/t/how-can-i-create-a-facebook-live-stream-target-through-wowza-streaming-cloud-api/53928)

<div class="topic-metadata">

**Author:** [@Yehan\_Pemarathne](https://community.wowza.com/u/Yehan_Pemarathne)\
**Replies:** 9\
**Last updated:** [January 23, 2020, 9:21am UTC](https://community.wowza.com/t/how-can-i-create-a-facebook-live-stream-target-through-wowza-streaming-cloud-api/53928 "2020-01-23T09:21:51Z")

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There are a lot of examples to do this using Wowza Streming Engine REST API (Ex: https://www.wowza.com/docs/send-a-stream-to-facebook-with-wowza-streaming-engine-rest-api). But I cannot find those resource endpoints in W…

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## [How to stream to Facebook using RTMPS ?](https://community.wowza.com/t/how-to-stream-to-facebook-using-rtmps/53244)

<div class="topic-metadata">

**Author:** [@Roman\_Buta1](https://community.wowza.com/u/Roman_Buta1)\
**Replies:** 9\
**Last updated:** [January 22, 2020, 12:17pm UTC](https://community.wowza.com/t/how-to-stream-to-facebook-using-rtmps/53244 "2020-01-22T12:17:28Z")

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Does PushPublishRTMP support RTMPS? What does PushPublishRTMP.setSSL(true) mean? If not, is there any other way to send a stream to facebook via RTMPS using Wowza java API? Will be grateful for any help. Thanks

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## [How can I link only 1.1 version](https://community.wowza.com/t/how-can-i-link-only-1-1-version/54491)

<div class="topic-metadata">

**Author:** [@Samuel\_Sanchez](https://community.wowza.com/u/Samuel_Sanchez)\
**Replies:** 2\
**Last updated:** [January 20, 2020, 11:16pm UTC](https://community.wowza.com/t/how-can-i-link-only-1-1-version/54491 "2020-01-20T23:16:12Z")

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I see that we can link to a specific version of the player like so: https://player.wowza.com/player/1.0-latest/wowzaplayer.min.js or link to the latest. but I see that the latest is 1.1.18. Is there a link to only lin…

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## [Detect if a stream goes online or offline](https://community.wowza.com/t/detect-if-a-stream-goes-online-or-offline/39294)

<div class="topic-metadata">

**Author:** [@ruben\_docter](https://community.wowza.com/u/ruben_docter)\
**Replies:** 15\
**Last updated:** [January 15, 2020, 7:22am UTC](https://community.wowza.com/t/detect-if-a-stream-goes-online-or-offline/39294 "2020-01-15T07:22:32Z")

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If I want to start a webcam platform with multiple cams, is there a module or which module can I use to detect if a stream goes online or offline, so I can save the status to a database? Is something possible or is there…

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## [How do I know about stream target status information?](https://community.wowza.com/t/how-do-i-know-about-stream-target-status-information/48256)

<div class="topic-metadata">

**Author:** [@jaeho\_ji](https://community.wowza.com/u/jaeho_ji)\
**Replies:** 3\
**Last updated:** [January 14, 2020, 9:30am UTC](https://community.wowza.com/t/how-do-i-know-about-stream-target-status-information/48256 "2020-01-14T09:30:05Z")

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Hi, Unable to locate associated RestAPI, ask questions. I Want to know stream-target state status information using RestApi I want to know the value such as error, active, wait Please reply. Thanks

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## [Tools / Techniques to debug High CPU Usage on Wowza servers](https://community.wowza.com/t/tools-techniques-to-debug-high-cpu-usage-on-wowza-servers/54412)

<div class="topic-metadata">

**Author:** [@Ashok\_Adhikari](https://community.wowza.com/u/Ashok_Adhikari)\
**Replies:** 3\
**Last updated:** [January 7, 2020, 10:54pm UTC](https://community.wowza.com/t/tools-techniques-to-debug-high-cpu-usage-on-wowza-servers/54412 "2020-01-07T22:54:44Z")

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Hi, We are working on a pretty standard setup using wowza where we stitch mp4 files to get wowza scheduled stream and then transcode it to ABR streams which is then used to create custom HLS chunks, which is finally del…

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## [REST API - Creating an application works but can't stream until I manually restart the application](https://community.wowza.com/t/rest-api-creating-an-application-works-but-cant-stream-until-i-manually-restart-the-application/54358)

<div class="topic-metadata">

**Author:** [@Matt\_Holmes](https://community.wowza.com/u/Matt_Holmes)\
**Replies:** 4\
**Last updated:** [December 20, 2019, 3:32pm UTC](https://community.wowza.com/t/rest-api-creating-an-application-works-but-cant-stream-until-i-manually-restart-the-application/54358 "2019-12-20T15:32:12Z")

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Title says it all. I can create an application and I can send an incoming stream to the rtmp url just fine. But I can’t get outgoing playback to work (404 not found) until I log into the UI (enginemanager) re-save the se…

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