# how can i resolve this problem ??

**URL:** <https://community.wowza.com/t/how-can-i-resolve-this-problem/49791>\
**Category:** Wowza GoCoder SDK\
**Created:** [September 29, 2017, 2:24pm UTC](https://community.wowza.com/t/how-can-i-resolve-this-problem/49791 "2017-09-29T14:24:43Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![ismail\_tahiri](https://avatars.discourse-cdn.com/v4/letter/i/e56c9b/32.png) [@ismail\_tahiri](https://community.wowza.com/u/ismail_tahiri)\
**Post date:** [September 29, 2017, 2:24pm UTC](https://community.wowza.com/t/how-can-i-resolve-this-problem/49791/1 "2017-09-29T14:24:43Z")

</div>

An exception occurred attempting to start the video encoder  
java.lang.IllegalStateException  
at android.media.MediaCodec.getOutputFormatNative(Native Method)  
at android.media.MediaCodec.getOutputFormat(MediaCodec.java:533)  
at com.wowza.gocoder.sdk.support.c.a.onStartEncoding(GoCoderSDK:540)  
at com.wowza.gocoder.sdk.support.c.a$a.handleMessage(GoCoderSDK:1037)  
at android.os.Handler.dispatchMessage(Handler.java:102)  
at android.os.Looper.loop(Looper.java:136)  
at com.wowza.gocoder.sdk.support.c.a.run(GoCoderSDK:279)  
at java.lang.Thread.run(Thread.java:841)