Github user fpj commented on a diff in the pull request:

    https://github.com/apache/zookeeper/pull/150#discussion_r97436195
  
    --- Diff: src/java/main/org/apache/zookeeper/client/StaticHostProvider.java 
---
    @@ -57,26 +62,20 @@
         public StaticHostProvider(Collection<InetSocketAddress> 
serverAddresses)
                 throws UnknownHostException {
             for (InetSocketAddress address : serverAddresses) {
    -            InetAddress ia = address.getAddress();
    -            InetAddress resolvedAddresses[] = 
InetAddress.getAllByName((ia!=null) ? ia.getHostAddress():
    -                address.getHostName());
    +            InetAddress resolvedAddresses[];
    +            try {
    +                Method m = 
InetSocketAddress.class.getDeclaredMethod("getHostString");
    +                m.setAccessible(true);
    +                resolvedAddresses = InetAddress.getAllByName((String) 
m.invoke(address));
    +            } catch (IllegalAccessException e) {
    +                resolvedAddresses = 
InetAddress.getAllByName(getHostString(address));
    +            } catch (NoSuchMethodException e) {
    +                resolvedAddresses = 
InetAddress.getAllByName(getHostString(address));
    +            } catch (InvocationTargetException e) {
    +                resolvedAddresses = 
InetAddress.getAllByName(getHostString(address));
    +            }
    --- End diff --
    
    That's possibly another issue with this way of exposing `getHostString, the 
presence of a security manager could prevent us from doing it as expected.


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