NullPointerException in HybiParser ( version 3.1.0 )

[aantunovic]

Recently noticed this issue on android 12 and 13.

Fatal Exception: java.lang.NullPointerException: Attempt to invoke virtual method 'byte[] java.lang.String.getBytes(java.lang.String)' on a null object reference
       at com.koushikdutta.async.http.HybiParser.decode(HybiParser.java:482)
       at com.koushikdutta.async.http.HybiParser.frame(HybiParser.java:335)
       at com.koushikdutta.async.http.HybiParser.frame(HybiParser.java:295)
       at com.koushikdutta.async.http.WebSocketImpl.lambda$send$2(WebSocketImpl.java:249)
       at com.koushikdutta.async.AsyncServer$Scheduled.run(AsyncServer.java:232)
       at com.koushikdutta.async.AsyncServer.lockAndRunQueue(AsyncServer.java:797)
       at com.koushikdutta.async.AsyncServer.runLoop(AsyncServer.java:815)
       at com.koushikdutta.async.AsyncServer.run(AsyncServer.java:726)
       at com.koushikdutta.async.AsyncServer.access$800(AsyncServer.java:46)
       at com.koushikdutta.async.AsyncServer$8.run(AsyncServer.java:680)

  [https://github.com/koush/AndroidAsync/blob/master/AndroidAsync/src/com/koushikdutta/async/http/HybiParser.java#L482]