Main.java

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;

public class Main {
  public static void main(String[] args) throws IOException {
    final HttpURLConnection connection = (HttpURLConnection) new URL("http://www.google.com").openConnection();
    System.err.println(connection.getRequestMethod() + " " + connection.getURL());
    System.err.println("response = " + connection.getResponseCode() + " " + connection.getResponseMessage());
    try (final BufferedReader reader = new BufferedReader(new InputStreamReader(connection.getInputStream()))) {
      String s;
      while ((s = reader.readLine()) != null) {
        System.err.println(s);
      }
    }
  }
}

stacktrace

GET http://www.google.com
Exception in thread "main" java.lang.reflect.InvocationTargetException
	at java.lang.Throwable.<init>(Throwable.java:310)
	at java.lang.Exception.<init>(Exception.java:102)
	at java.lang.ReflectiveOperationException.<init>(ReflectiveOperationException.java:89)
	at java.lang.reflect.InvocationTargetException.<init>(InvocationTargetException.java:72)
	at com.oracle.svm.reflect.proxies.Proxy_43_Main_main.invoke(Unknown Source)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at com.oracle.svm.core.JavaMainWrapper.run(JavaMainWrapper.java:199)
	at Lcom/oracle/svm/core/code/CEntryPointCallStubs;.com_002eoracle_002esvm_002ecore_002eJavaMainWrapper_002erun_0028int_002corg_002egraalvm_002enativeimage_002ec_002etype_002eCCharPointerPointer_0029(generated:0)
Caused by: java.lang.AssertionError: Should not here
	at java.lang.Throwable.<init>(Throwable.java:265)
	at java.lang.Error.<init>(Error.java:70)
	at java.lang.AssertionError.<init>(AssertionError.java:58)
	at java.lang.AssertionError.<init>(AssertionError.java:74)
	at sun.util.logging.LoggingSupport.ensureAvailable(LoggingSupport.java:76)
	at sun.util.logging.LoggingSupport.isLoggable(LoggingSupport.java:114)
	at sun.util.logging.PlatformLogger$JavaLoggerProxy.isLoggable(PlatformLogger.java:656)
	at sun.util.logging.PlatformLogger.isLoggable(PlatformLogger.java:270)
	at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1147)
	at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050)
	at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:984)
	at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:1564)
	at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1492)
	at java.net.HttpURLConnection.getResponseCode(HttpURLConnection.java:480)
	at Main.main(Main.java:12)
	... 4 more