From JavaScript in WebView I am trying to GET a REST resource that returns 401 with no body, It results in an exception. The reason is that http.getErrorStream() on line 424 returns null and call on line 472 to getInputStream fails on this

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WARNING: Unexpected error
java.io.IOException: Server returned HTTP response code: 401 for URL: https://secure.gooddata.com/gdc/account/token
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:408)
at sun.net.www.protocol.http.HttpURLConnection$10.run(HttpURLConnection.java:1888)
at sun.net.www.protocol.http.HttpURLConnection$10.run(HttpURLConnection.java:1883)
at java.security.AccessController.doPrivileged(Native Method)
at sun.net.www.protocol.http.HttpURLConnection.getChainedException(HttpURLConnection.java:1882)
at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:1455)
at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1439)
at sun.net.www.protocol.https.HttpsURLConnectionImpl.getInputStream(HttpsURLConnectionImpl.java:254)
at com.sun.webkit.network.URLLoader.receiveResponse(URLLoader.java:472)
at com.sun.webkit.network.URLLoader.doRun(URLLoader.java:143)
at com.sun.webkit.network.URLLoader.access$000(URLLoader.java:43)
at com.sun.webkit.network.URLLoader$1.run(URLLoader.java:107)
at com.sun.webkit.network.URLLoader$1.run(URLLoader.java:104)
at java.security.AccessController.doPrivileged(Native Method)
at com.sun.webkit.network.URLLoader.run(URLLoader.java:104)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:744)
Caused by: java.io.IOException: Server returned HTTP response code: 401 for URL: https://secure.gooddata.com/gdc/account/token
at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:1838)
at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1439)
at java.net.HttpURLConnection.getResponseCode(HttpURLConnection.java:480)
at sun.net.www.protocol.https.HttpsURLConnectionImpl.getResponseCode(HttpsURLConnectionImpl.java:338)
at com.sun.webkit.network.URLLoader.receiveResponse(URLLoader.java:387)
... 11 more
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