java - Problems in asyc with JSON Parse

Question

I have try to do a procject which parse JSON data from a localhost to my andorid app and sipaly data from that localhost. I m a beginner in programing with Java so i decided to watch some tutorials on the internet. I have found a good one but when i try to run my apllication a got a lot of errors.

This is the error message what I i got when i run the code and i use a Button in the emulator.

W/System.err: javax.net.ssl.SSLException: Unable to parse TLS packet header W/System.err: at com.android.org.conscrypt.ConscryptEngine.unwrap(ConscryptEngine.java:807) at com.android.org.conscrypt.ConscryptEngine.unwrap(ConscryptEngine.java:747) at com.android.org.conscrypt.ConscryptEngine.unwrap(ConscryptEngine.java:712) W/System.err: at com.android.org.conscrypt.ConscryptEngineSocket$SSLInputStream.processDataFromSocket(ConscryptEngineSocket.java:849) at com.android.org.conscrypt.ConscryptEngineSocket$SSLInputStream.access$100(ConscryptEngineSocket.java:722) at com.android.org.conscrypt.ConscryptEngineSocket.doHandshake(ConscryptEngineSocket.java:238) W/System.err: at com.android.org.conscrypt.ConscryptEngineSocket.startHandshake(ConscryptEngineSocket.java:217) at com.android.okhttp.internal.io.RealConnection.connectTls(RealConnection.java:196) at com.android.okhttp.internal.io.RealConnection.connectSocket(RealConnection.java:153) W/System.err: at com.android.okhttp.internal.io.RealConnection.connect(RealConnection.java:116) at com.android.okhttp.internal.http.StreamAllocation.findConnection(StreamAllocation.java:186) W/System.err: at com.android.okhttp.internal.http.StreamAllocation.findHealthyConnection(StreamAllocation.java:128) at com.android.okhttp.internal.http.StreamAllocation.newStream(StreamAllocation.java:97) W/System.err: at com.android.okhttp.internal.http.HttpEngine.connect(HttpEngine.java:289) at com.android.okhttp.internal.http.HttpEngine.sendRequest(HttpEngine.java:232) at com.android.okhttp.internal.huc.HttpURLConnectionImpl.execute(HttpURLConnectionImpl.java:465) W/System.err: at com.android.okhttp.internal.huc.HttpURLConnectionImpl.getResponse(HttpURLConnectionImpl.java:411) at com.android.okhttp.internal.huc.HttpURLConnectionImpl.getInputStream(HttpURLConnectionImpl.java:248) W/System.err: at com.android.okhttp.internal.huc.DelegatingHttpsURLConnection.getInputStream(DelegatingHttpsURLConnection.java:211) at com.android.okhttp.internal.huc.HttpsURLConnectionImpl.getInputStream(HttpsURLConnectionImpl.java:30) at com.example.jsonfetching.fetchData.doInBackground(fetchData.java:28) W/System.err: at com.example.jsonfetching.fetchData.doInBackground(fetchData.java:17) at android.os.AsyncTask$3.call(AsyncTask.java:394) at java.util.concurrent.FutureTask.run(FutureTask.java:266) W/System.err: at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:305) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167) W/System.err: at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641) at java.lang.Thread.run(Thread.java:923) [enter image description here][1]

Can someone help me to sovle this issue? On the photo below you can see my soruce code what i have from this video: https://www.youtube.com/watch?v=Vcn4OuV4Ixg Thank you so much! [1]: https://i.stack.imgur.com/Dy0dF.png

Answer 1

等待大神答复