FileNotFoundException thrown when server responds with 400 or above

[wardvl]

What is the issue?

When the server responds with a HTTP status 400 or above a FileNotFoundException is thrown

Is it a crash report? Submit stack traces or anything that you think would help

com.pusher.client.AuthorizationFailureException: java.io.FileNotFoundException: http://10.0.2.2:8000/api/device/auth
        at com.pusher.client.util.HttpAuthorizer.authorize(HttpAuthorizer.java:146)
        at com.pusher.client.channel.impl.PrivateChannelImpl.getAuthResponse(PrivateChannelImpl.java:130)
        at com.pusher.client.channel.impl.PrivateChannelImpl.toSubscribeMessage(PrivateChannelImpl.java:90)
        at com.pusher.client.channel.impl.ChannelManager$1.run(ChannelManager.java:149)
        at com.pusher.client.util.Factory$1.run(Factory.java:119)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
        at java.lang.Thread.run(Thread.java:919)
     Caused by: java.io.FileNotFoundException: http://10.0.2.2:8000/api/device/auth
        at com.android.okhttp.internal.huc.HttpURLConnectionImpl.getInputStream(HttpURLConnectionImpl.java:255)
        at com.pusher.client.util.HttpAuthorizer.authorize(HttpAuthorizer.java:128)
        at com.pusher.client.channel.impl.PrivateChannelImpl.getAuthResponse(PrivateChannelImpl.java:130) 
        at com.pusher.client.channel.impl.PrivateChannelImpl.toSubscribeMessage(PrivateChannelImpl.java:90) 
        at com.pusher.client.channel.impl.ChannelManager$1.run(ChannelManager.java:149) 
        at com.pusher.client.util.Factory$1.run(Factory.java:119) 
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167) 
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641) 
        at java.lang.Thread.run(Thread.java:919) 

Any improvements you suggest

When a status 400 or above is returned from the server get the errorStream instead of the inputStream.

if (responseStatus >= HTTP_BAD_REQUEST) {
     is = connection.getErrorStream();
} else {
     is = connection.getInputStream();
}

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CC @pusher/mobile