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Posted to commits@hbase.apache.org by mi...@apache.org on 2016/02/17 18:36:11 UTC

[07/18] hbase-site git commit: Published site at 9f8273e7175954cf6dd4bf523b531bf9971749bb.

http://git-wip-us.apache.org/repos/asf/hbase-site/blob/ee77a3b9/xref-test/org/apache/hadoop/hbase/TestIPv6NIOServerSocketChannel.html
----------------------------------------------------------------------
diff --git a/xref-test/org/apache/hadoop/hbase/TestIPv6NIOServerSocketChannel.html b/xref-test/org/apache/hadoop/hbase/TestIPv6NIOServerSocketChannel.html
index 7197d9f..617bd79 100644
--- a/xref-test/org/apache/hadoop/hbase/TestIPv6NIOServerSocketChannel.html
+++ b/xref-test/org/apache/hadoop/hbase/TestIPv6NIOServerSocketChannel.html
@@ -40,135 +40,140 @@
 <a class="jxr_linenumber" name="30" href="#30">30</a>  <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.testclassification.MiscTests;
 <a class="jxr_linenumber" name="31" href="#31">31</a>  <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.testclassification.SmallTests;
 <a class="jxr_linenumber" name="32" href="#32">32</a>  <strong class="jxr_keyword">import</strong> org.junit.Assert;
-<a class="jxr_linenumber" name="33" href="#33">33</a>  <strong class="jxr_keyword">import</strong> org.junit.Test;
-<a class="jxr_linenumber" name="34" href="#34">34</a>  <strong class="jxr_keyword">import</strong> org.junit.experimental.categories.Category;
-<a class="jxr_linenumber" name="35" href="#35">35</a>  
-<a class="jxr_linenumber" name="36" href="#36">36</a>  <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="37" href="#37">37</a>  <em class="jxr_javadoccomment"> * This tests whether ServerSocketChannel works over ipv6, which Zookeeper</em>
-<a class="jxr_linenumber" name="38" href="#38">38</a>  <em class="jxr_javadoccomment"> * depends on. On Windows Oracle JDK 6, creating a ServerSocketChannel throws</em>
-<a class="jxr_linenumber" name="39" href="#39">39</a>  <em class="jxr_javadoccomment"> * java.net.SocketException: Address family not supported by protocol family</em>
-<a class="jxr_linenumber" name="40" href="#40">40</a>  <em class="jxr_javadoccomment"> * exception. It is a known JVM bug, seems to be only resolved for JDK7:</em>
-<a class="jxr_linenumber" name="41" href="#41">41</a>  <em class="jxr_javadoccomment"> * <a href="http://bugs.sun.com/view_bug.do?bug_id=6230761" target="alexandria_uri">http://bugs.sun.com/view_bug.do?bug_id=6230761</a></em>
-<a class="jxr_linenumber" name="42" href="#42">42</a>  <em class="jxr_javadoccomment"> *</em>
-<a class="jxr_linenumber" name="43" href="#43">43</a>  <em class="jxr_javadoccomment"> * For this test, we check that whether we are effected by this bug, and if so</em>
-<a class="jxr_linenumber" name="44" href="#44">44</a>  <em class="jxr_javadoccomment"> * the test ensures that we are running with java.net.preferIPv4Stack=true, so</em>
-<a class="jxr_linenumber" name="45" href="#45">45</a>  <em class="jxr_javadoccomment"> * that ZK will not fail to bind to ipv6 address using ClientCnxnSocketNIO.</em>
-<a class="jxr_linenumber" name="46" href="#46">46</a>  <em class="jxr_javadoccomment"> */</em>
-<a class="jxr_linenumber" name="47" href="#47">47</a>  @Category({MiscTests.<strong class="jxr_keyword">class</strong>, SmallTests.<strong class="jxr_keyword">class</strong>})
-<a class="jxr_linenumber" name="48" href="#48">48</a>  <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../org/apache/hadoop/hbase/TestIPv6NIOServerSocketChannel.html">TestIPv6NIOServerSocketChannel</a> {
-<a class="jxr_linenumber" name="49" href="#49">49</a>  
-<a class="jxr_linenumber" name="50" href="#50">50</a>    <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> Log LOG = LogFactory.getLog(TestIPv6NIOServerSocketChannel.<strong class="jxr_keyword">class</strong>);
+<a class="jxr_linenumber" name="33" href="#33">33</a>  <strong class="jxr_keyword">import</strong> org.junit.Rule;
+<a class="jxr_linenumber" name="34" href="#34">34</a>  <strong class="jxr_keyword">import</strong> org.junit.Test;
+<a class="jxr_linenumber" name="35" href="#35">35</a>  <strong class="jxr_keyword">import</strong> org.junit.experimental.categories.Category;
+<a class="jxr_linenumber" name="36" href="#36">36</a>  <strong class="jxr_keyword">import</strong> org.junit.rules.TestRule;
+<a class="jxr_linenumber" name="37" href="#37">37</a>  
+<a class="jxr_linenumber" name="38" href="#38">38</a>  <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="39" href="#39">39</a>  <em class="jxr_javadoccomment"> * This tests whether ServerSocketChannel works over ipv6, which Zookeeper</em>
+<a class="jxr_linenumber" name="40" href="#40">40</a>  <em class="jxr_javadoccomment"> * depends on. On Windows Oracle JDK 6, creating a ServerSocketChannel throws</em>
+<a class="jxr_linenumber" name="41" href="#41">41</a>  <em class="jxr_javadoccomment"> * java.net.SocketException: Address family not supported by protocol family</em>
+<a class="jxr_linenumber" name="42" href="#42">42</a>  <em class="jxr_javadoccomment"> * exception. It is a known JVM bug, seems to be only resolved for JDK7:</em>
+<a class="jxr_linenumber" name="43" href="#43">43</a>  <em class="jxr_javadoccomment"> * <a href="http://bugs.sun.com/view_bug.do?bug_id=6230761" target="alexandria_uri">http://bugs.sun.com/view_bug.do?bug_id=6230761</a></em>
+<a class="jxr_linenumber" name="44" href="#44">44</a>  <em class="jxr_javadoccomment"> *</em>
+<a class="jxr_linenumber" name="45" href="#45">45</a>  <em class="jxr_javadoccomment"> * For this test, we check that whether we are effected by this bug, and if so</em>
+<a class="jxr_linenumber" name="46" href="#46">46</a>  <em class="jxr_javadoccomment"> * the test ensures that we are running with java.net.preferIPv4Stack=true, so</em>
+<a class="jxr_linenumber" name="47" href="#47">47</a>  <em class="jxr_javadoccomment"> * that ZK will not fail to bind to ipv6 address using ClientCnxnSocketNIO.</em>
+<a class="jxr_linenumber" name="48" href="#48">48</a>  <em class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="49" href="#49">49</a>  @Category({MiscTests.<strong class="jxr_keyword">class</strong>, SmallTests.<strong class="jxr_keyword">class</strong>})
+<a class="jxr_linenumber" name="50" href="#50">50</a>  <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../org/apache/hadoop/hbase/TestIPv6NIOServerSocketChannel.html">TestIPv6NIOServerSocketChannel</a> {
 <a class="jxr_linenumber" name="51" href="#51">51</a>  
-<a class="jxr_linenumber" name="52" href="#52">52</a>    <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="53" href="#53">53</a>  <em class="jxr_javadoccomment">   * Creates and binds a regular ServerSocket.</em>
-<a class="jxr_linenumber" name="54" href="#54">54</a>  <em class="jxr_javadoccomment">   */</em>
-<a class="jxr_linenumber" name="55" href="#55">55</a>    <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> bindServerSocket(InetAddress inetAddr) <strong class="jxr_keyword">throws</strong> IOException {
-<a class="jxr_linenumber" name="56" href="#56">56</a>      <strong class="jxr_keyword">while</strong>(<strong class="jxr_keyword">true</strong>) {
-<a class="jxr_linenumber" name="57" href="#57">57</a>        <strong class="jxr_keyword">int</strong> port = HBaseTestingUtility.randomFreePort();
-<a class="jxr_linenumber" name="58" href="#58">58</a>        InetSocketAddress addr = <strong class="jxr_keyword">new</strong> InetSocketAddress(inetAddr, port);
-<a class="jxr_linenumber" name="59" href="#59">59</a>        ServerSocket serverSocket = <strong class="jxr_keyword">null</strong>;
-<a class="jxr_linenumber" name="60" href="#60">60</a>        <strong class="jxr_keyword">try</strong> {
-<a class="jxr_linenumber" name="61" href="#61">61</a>          serverSocket = <strong class="jxr_keyword">new</strong> ServerSocket();
-<a class="jxr_linenumber" name="62" href="#62">62</a>          serverSocket.bind(addr);
-<a class="jxr_linenumber" name="63" href="#63">63</a>          <strong class="jxr_keyword">break</strong>;
-<a class="jxr_linenumber" name="64" href="#64">64</a>        } <strong class="jxr_keyword">catch</strong> (BindException ex) {
-<a class="jxr_linenumber" name="65" href="#65">65</a>          <em class="jxr_comment">//continue</em>
-<a class="jxr_linenumber" name="66" href="#66">66</a>        } <strong class="jxr_keyword">finally</strong> {
-<a class="jxr_linenumber" name="67" href="#67">67</a>          <strong class="jxr_keyword">if</strong> (serverSocket != <strong class="jxr_keyword">null</strong>) {
-<a class="jxr_linenumber" name="68" href="#68">68</a>            serverSocket.close();
-<a class="jxr_linenumber" name="69" href="#69">69</a>          }
-<a class="jxr_linenumber" name="70" href="#70">70</a>        }
-<a class="jxr_linenumber" name="71" href="#71">71</a>      }
-<a class="jxr_linenumber" name="72" href="#72">72</a>    }
-<a class="jxr_linenumber" name="73" href="#73">73</a>  
-<a class="jxr_linenumber" name="74" href="#74">74</a>    <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="75" href="#75">75</a>  <em class="jxr_javadoccomment">   * Creates a NIO ServerSocketChannel, and gets the ServerSocket from</em>
-<a class="jxr_linenumber" name="76" href="#76">76</a>  <em class="jxr_javadoccomment">   * there. Then binds the obtained socket.</em>
-<a class="jxr_linenumber" name="77" href="#77">77</a>  <em class="jxr_javadoccomment">   * This fails on Windows with Oracle JDK1.6.0u33, if the passed InetAddress is a</em>
-<a class="jxr_linenumber" name="78" href="#78">78</a>  <em class="jxr_javadoccomment">   * IPv6 address. Works on Oracle JDK 1.7.</em>
-<a class="jxr_linenumber" name="79" href="#79">79</a>  <em class="jxr_javadoccomment">   */</em>
-<a class="jxr_linenumber" name="80" href="#80">80</a>    <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> bindNIOServerSocket(InetAddress inetAddr) <strong class="jxr_keyword">throws</strong> IOException {
-<a class="jxr_linenumber" name="81" href="#81">81</a>      <strong class="jxr_keyword">while</strong> (<strong class="jxr_keyword">true</strong>) {
-<a class="jxr_linenumber" name="82" href="#82">82</a>        <strong class="jxr_keyword">int</strong> port = HBaseTestingUtility.randomFreePort();
-<a class="jxr_linenumber" name="83" href="#83">83</a>        InetSocketAddress addr = <strong class="jxr_keyword">new</strong> InetSocketAddress(inetAddr, port);
-<a class="jxr_linenumber" name="84" href="#84">84</a>        ServerSocketChannel channel = <strong class="jxr_keyword">null</strong>;
-<a class="jxr_linenumber" name="85" href="#85">85</a>        ServerSocket serverSocket = <strong class="jxr_keyword">null</strong>;
-<a class="jxr_linenumber" name="86" href="#86">86</a>        <strong class="jxr_keyword">try</strong> {
-<a class="jxr_linenumber" name="87" href="#87">87</a>          channel = ServerSocketChannel.open();
-<a class="jxr_linenumber" name="88" href="#88">88</a>          serverSocket = channel.socket();
-<a class="jxr_linenumber" name="89" href="#89">89</a>          serverSocket.bind(addr); <em class="jxr_comment">// This does not work</em>
-<a class="jxr_linenumber" name="90" href="#90">90</a>          <strong class="jxr_keyword">break</strong>;
-<a class="jxr_linenumber" name="91" href="#91">91</a>        } <strong class="jxr_keyword">catch</strong> (BindException ex) {
-<a class="jxr_linenumber" name="92" href="#92">92</a>          <em class="jxr_comment">//continue</em>
-<a class="jxr_linenumber" name="93" href="#93">93</a>        } <strong class="jxr_keyword">finally</strong> {
-<a class="jxr_linenumber" name="94" href="#94">94</a>          <strong class="jxr_keyword">if</strong> (serverSocket != <strong class="jxr_keyword">null</strong>) {
-<a class="jxr_linenumber" name="95" href="#95">95</a>            serverSocket.close();
-<a class="jxr_linenumber" name="96" href="#96">96</a>          }
-<a class="jxr_linenumber" name="97" href="#97">97</a>          <strong class="jxr_keyword">if</strong> (channel != <strong class="jxr_keyword">null</strong>) {
-<a class="jxr_linenumber" name="98" href="#98">98</a>            channel.close();
-<a class="jxr_linenumber" name="99" href="#99">99</a>          }
-<a class="jxr_linenumber" name="100" href="#100">100</a>       }  
-<a class="jxr_linenumber" name="101" href="#101">101</a>     }
-<a class="jxr_linenumber" name="102" href="#102">102</a>   }
-<a class="jxr_linenumber" name="103" href="#103">103</a> 
-<a class="jxr_linenumber" name="104" href="#104">104</a>   <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="105" href="#105">105</a> <em class="jxr_javadoccomment">   * Checks whether we are effected by the JDK issue on windows, and if so</em>
-<a class="jxr_linenumber" name="106" href="#106">106</a> <em class="jxr_javadoccomment">   * ensures that we are running with preferIPv4Stack=true.</em>
-<a class="jxr_linenumber" name="107" href="#107">107</a> <em class="jxr_javadoccomment">   */</em>
-<a class="jxr_linenumber" name="108" href="#108">108</a>   @Test
-<a class="jxr_linenumber" name="109" href="#109">109</a>   <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testServerSocket() <strong class="jxr_keyword">throws</strong> IOException {
-<a class="jxr_linenumber" name="110" href="#110">110</a>     byte[] addr = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 };
-<a class="jxr_linenumber" name="111" href="#111">111</a>     InetAddress inetAddr = InetAddress.getByAddress(addr);
-<a class="jxr_linenumber" name="112" href="#112">112</a> 
-<a class="jxr_linenumber" name="113" href="#113">113</a>     <strong class="jxr_keyword">try</strong> {
-<a class="jxr_linenumber" name="114" href="#114">114</a>       bindServerSocket(inetAddr);
-<a class="jxr_linenumber" name="115" href="#115">115</a>       bindNIOServerSocket(inetAddr);
-<a class="jxr_linenumber" name="116" href="#116">116</a>       <em class="jxr_comment">//if on *nix or windows JDK7, both will pass</em>
-<a class="jxr_linenumber" name="117" href="#117">117</a>     } <strong class="jxr_keyword">catch</strong>(java.net.SocketException ex) {
-<a class="jxr_linenumber" name="118" href="#118">118</a>       <em class="jxr_comment">//On Windows JDK6, we will get expected exception:</em>
-<a class="jxr_linenumber" name="119" href="#119">119</a>       <em class="jxr_comment">//java.net.SocketException: Address family not supported by protocol family</em>
-<a class="jxr_linenumber" name="120" href="#120">120</a>       <em class="jxr_comment">//or java.net.SocketException: Protocol family not supported</em>
-<a class="jxr_linenumber" name="121" href="#121">121</a>       Assert.assertFalse(ex.getClass().isInstance(BindException.<strong class="jxr_keyword">class</strong>));
-<a class="jxr_linenumber" name="122" href="#122">122</a>       Assert.assertTrue(ex.getMessage().toLowerCase().contains(<span class="jxr_string">"protocol family"</span>));
-<a class="jxr_linenumber" name="123" href="#123">123</a>       LOG.info(<span class="jxr_string">"Received expected exception:"</span>);
-<a class="jxr_linenumber" name="124" href="#124">124</a>       LOG.info(ex);
-<a class="jxr_linenumber" name="125" href="#125">125</a> 
-<a class="jxr_linenumber" name="126" href="#126">126</a>       <em class="jxr_comment">//if this is the case, ensure that we are running on preferIPv4=true</em>
-<a class="jxr_linenumber" name="127" href="#127">127</a>       ensurePreferIPv4();
-<a class="jxr_linenumber" name="128" href="#128">128</a>     }
-<a class="jxr_linenumber" name="129" href="#129">129</a>   }
+<a class="jxr_linenumber" name="52" href="#52">52</a>    <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> Log LOG = LogFactory.getLog(TestIPv6NIOServerSocketChannel.<strong class="jxr_keyword">class</strong>);
+<a class="jxr_linenumber" name="53" href="#53">53</a>  
+<a class="jxr_linenumber" name="54" href="#54">54</a>    @Rule
+<a class="jxr_linenumber" name="55" href="#55">55</a>    <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">final</strong> TestRule timeout = CategoryBasedTimeout.builder().
+<a class="jxr_linenumber" name="56" href="#56">56</a>      withTimeout(<strong class="jxr_keyword">this</strong>.getClass()).withLookingForStuckThread(<strong class="jxr_keyword">true</strong>).build();
+<a class="jxr_linenumber" name="57" href="#57">57</a>    <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="58" href="#58">58</a>  <em class="jxr_javadoccomment">   * Creates and binds a regular ServerSocket.</em>
+<a class="jxr_linenumber" name="59" href="#59">59</a>  <em class="jxr_javadoccomment">   */</em>
+<a class="jxr_linenumber" name="60" href="#60">60</a>    <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> bindServerSocket(InetAddress inetAddr) <strong class="jxr_keyword">throws</strong> IOException {
+<a class="jxr_linenumber" name="61" href="#61">61</a>      <strong class="jxr_keyword">while</strong>(<strong class="jxr_keyword">true</strong>) {
+<a class="jxr_linenumber" name="62" href="#62">62</a>        <strong class="jxr_keyword">int</strong> port = HBaseTestingUtility.randomFreePort();
+<a class="jxr_linenumber" name="63" href="#63">63</a>        InetSocketAddress addr = <strong class="jxr_keyword">new</strong> InetSocketAddress(inetAddr, port);
+<a class="jxr_linenumber" name="64" href="#64">64</a>        ServerSocket serverSocket = <strong class="jxr_keyword">null</strong>;
+<a class="jxr_linenumber" name="65" href="#65">65</a>        <strong class="jxr_keyword">try</strong> {
+<a class="jxr_linenumber" name="66" href="#66">66</a>          serverSocket = <strong class="jxr_keyword">new</strong> ServerSocket();
+<a class="jxr_linenumber" name="67" href="#67">67</a>          serverSocket.bind(addr);
+<a class="jxr_linenumber" name="68" href="#68">68</a>          <strong class="jxr_keyword">break</strong>;
+<a class="jxr_linenumber" name="69" href="#69">69</a>        } <strong class="jxr_keyword">catch</strong> (BindException ex) {
+<a class="jxr_linenumber" name="70" href="#70">70</a>          <em class="jxr_comment">//continue</em>
+<a class="jxr_linenumber" name="71" href="#71">71</a>        } <strong class="jxr_keyword">finally</strong> {
+<a class="jxr_linenumber" name="72" href="#72">72</a>          <strong class="jxr_keyword">if</strong> (serverSocket != <strong class="jxr_keyword">null</strong>) {
+<a class="jxr_linenumber" name="73" href="#73">73</a>            serverSocket.close();
+<a class="jxr_linenumber" name="74" href="#74">74</a>          }
+<a class="jxr_linenumber" name="75" href="#75">75</a>        }
+<a class="jxr_linenumber" name="76" href="#76">76</a>      }
+<a class="jxr_linenumber" name="77" href="#77">77</a>    }
+<a class="jxr_linenumber" name="78" href="#78">78</a>  
+<a class="jxr_linenumber" name="79" href="#79">79</a>    <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="80" href="#80">80</a>  <em class="jxr_javadoccomment">   * Creates a NIO ServerSocketChannel, and gets the ServerSocket from</em>
+<a class="jxr_linenumber" name="81" href="#81">81</a>  <em class="jxr_javadoccomment">   * there. Then binds the obtained socket.</em>
+<a class="jxr_linenumber" name="82" href="#82">82</a>  <em class="jxr_javadoccomment">   * This fails on Windows with Oracle JDK1.6.0u33, if the passed InetAddress is a</em>
+<a class="jxr_linenumber" name="83" href="#83">83</a>  <em class="jxr_javadoccomment">   * IPv6 address. Works on Oracle JDK 1.7.</em>
+<a class="jxr_linenumber" name="84" href="#84">84</a>  <em class="jxr_javadoccomment">   */</em>
+<a class="jxr_linenumber" name="85" href="#85">85</a>    <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> bindNIOServerSocket(InetAddress inetAddr) <strong class="jxr_keyword">throws</strong> IOException {
+<a class="jxr_linenumber" name="86" href="#86">86</a>      <strong class="jxr_keyword">while</strong> (<strong class="jxr_keyword">true</strong>) {
+<a class="jxr_linenumber" name="87" href="#87">87</a>        <strong class="jxr_keyword">int</strong> port = HBaseTestingUtility.randomFreePort();
+<a class="jxr_linenumber" name="88" href="#88">88</a>        InetSocketAddress addr = <strong class="jxr_keyword">new</strong> InetSocketAddress(inetAddr, port);
+<a class="jxr_linenumber" name="89" href="#89">89</a>        ServerSocketChannel channel = <strong class="jxr_keyword">null</strong>;
+<a class="jxr_linenumber" name="90" href="#90">90</a>        ServerSocket serverSocket = <strong class="jxr_keyword">null</strong>;
+<a class="jxr_linenumber" name="91" href="#91">91</a>        <strong class="jxr_keyword">try</strong> {
+<a class="jxr_linenumber" name="92" href="#92">92</a>          channel = ServerSocketChannel.open();
+<a class="jxr_linenumber" name="93" href="#93">93</a>          serverSocket = channel.socket();
+<a class="jxr_linenumber" name="94" href="#94">94</a>          serverSocket.bind(addr); <em class="jxr_comment">// This does not work</em>
+<a class="jxr_linenumber" name="95" href="#95">95</a>          <strong class="jxr_keyword">break</strong>;
+<a class="jxr_linenumber" name="96" href="#96">96</a>        } <strong class="jxr_keyword">catch</strong> (BindException ex) {
+<a class="jxr_linenumber" name="97" href="#97">97</a>          <em class="jxr_comment">//continue</em>
+<a class="jxr_linenumber" name="98" href="#98">98</a>        } <strong class="jxr_keyword">finally</strong> {
+<a class="jxr_linenumber" name="99" href="#99">99</a>          <strong class="jxr_keyword">if</strong> (serverSocket != <strong class="jxr_keyword">null</strong>) {
+<a class="jxr_linenumber" name="100" href="#100">100</a>           serverSocket.close();
+<a class="jxr_linenumber" name="101" href="#101">101</a>         }
+<a class="jxr_linenumber" name="102" href="#102">102</a>         <strong class="jxr_keyword">if</strong> (channel != <strong class="jxr_keyword">null</strong>) {
+<a class="jxr_linenumber" name="103" href="#103">103</a>           channel.close();
+<a class="jxr_linenumber" name="104" href="#104">104</a>         }
+<a class="jxr_linenumber" name="105" href="#105">105</a>       }  
+<a class="jxr_linenumber" name="106" href="#106">106</a>     }
+<a class="jxr_linenumber" name="107" href="#107">107</a>   }
+<a class="jxr_linenumber" name="108" href="#108">108</a> 
+<a class="jxr_linenumber" name="109" href="#109">109</a>   <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="110" href="#110">110</a> <em class="jxr_javadoccomment">   * Checks whether we are effected by the JDK issue on windows, and if so</em>
+<a class="jxr_linenumber" name="111" href="#111">111</a> <em class="jxr_javadoccomment">   * ensures that we are running with preferIPv4Stack=true.</em>
+<a class="jxr_linenumber" name="112" href="#112">112</a> <em class="jxr_javadoccomment">   */</em>
+<a class="jxr_linenumber" name="113" href="#113">113</a>   @Test
+<a class="jxr_linenumber" name="114" href="#114">114</a>   <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testServerSocket() <strong class="jxr_keyword">throws</strong> IOException {
+<a class="jxr_linenumber" name="115" href="#115">115</a>     byte[] addr = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 };
+<a class="jxr_linenumber" name="116" href="#116">116</a>     InetAddress inetAddr = InetAddress.getByAddress(addr);
+<a class="jxr_linenumber" name="117" href="#117">117</a> 
+<a class="jxr_linenumber" name="118" href="#118">118</a>     <strong class="jxr_keyword">try</strong> {
+<a class="jxr_linenumber" name="119" href="#119">119</a>       bindServerSocket(inetAddr);
+<a class="jxr_linenumber" name="120" href="#120">120</a>       bindNIOServerSocket(inetAddr);
+<a class="jxr_linenumber" name="121" href="#121">121</a>       <em class="jxr_comment">//if on *nix or windows JDK7, both will pass</em>
+<a class="jxr_linenumber" name="122" href="#122">122</a>     } <strong class="jxr_keyword">catch</strong>(java.net.SocketException ex) {
+<a class="jxr_linenumber" name="123" href="#123">123</a>       <em class="jxr_comment">//On Windows JDK6, we will get expected exception:</em>
+<a class="jxr_linenumber" name="124" href="#124">124</a>       <em class="jxr_comment">//java.net.SocketException: Address family not supported by protocol family</em>
+<a class="jxr_linenumber" name="125" href="#125">125</a>       <em class="jxr_comment">//or java.net.SocketException: Protocol family not supported</em>
+<a class="jxr_linenumber" name="126" href="#126">126</a>       Assert.assertFalse(ex.getClass().isInstance(BindException.<strong class="jxr_keyword">class</strong>));
+<a class="jxr_linenumber" name="127" href="#127">127</a>       Assert.assertTrue(ex.getMessage().toLowerCase().contains(<span class="jxr_string">"protocol family"</span>));
+<a class="jxr_linenumber" name="128" href="#128">128</a>       LOG.info(<span class="jxr_string">"Received expected exception:"</span>);
+<a class="jxr_linenumber" name="129" href="#129">129</a>       LOG.info(ex);
 <a class="jxr_linenumber" name="130" href="#130">130</a> 
-<a class="jxr_linenumber" name="131" href="#131">131</a>   <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="132" href="#132">132</a> <em class="jxr_javadoccomment">   * Checks whether we are running with java.net.preferIPv4Stack=true</em>
-<a class="jxr_linenumber" name="133" href="#133">133</a> <em class="jxr_javadoccomment">   */</em>
-<a class="jxr_linenumber" name="134" href="#134">134</a>   <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> ensurePreferIPv4() <strong class="jxr_keyword">throws</strong> IOException {
-<a class="jxr_linenumber" name="135" href="#135">135</a>     InetAddress[] addrs = InetAddress.getAllByName(<span class="jxr_string">"localhost"</span>);
-<a class="jxr_linenumber" name="136" href="#136">136</a>     <strong class="jxr_keyword">for</strong> (InetAddress addr : addrs) {
-<a class="jxr_linenumber" name="137" href="#137">137</a>       LOG.info(<span class="jxr_string">"resolved localhost as:"</span> + addr);
-<a class="jxr_linenumber" name="138" href="#138">138</a>       Assert.assertEquals(4, addr.getAddress().length); <em class="jxr_comment">//ensure 4 byte ipv4 address</em>
-<a class="jxr_linenumber" name="139" href="#139">139</a>     }
-<a class="jxr_linenumber" name="140" href="#140">140</a>   }
-<a class="jxr_linenumber" name="141" href="#141">141</a> 
-<a class="jxr_linenumber" name="142" href="#142">142</a>   <em class="jxr_javadoccomment">/**</em>
-<a class="jxr_linenumber" name="143" href="#143">143</a> <em class="jxr_javadoccomment">   * Tests whether every InetAddress we obtain by resolving can open a</em>
-<a class="jxr_linenumber" name="144" href="#144">144</a> <em class="jxr_javadoccomment">   * ServerSocketChannel.</em>
-<a class="jxr_linenumber" name="145" href="#145">145</a> <em class="jxr_javadoccomment">   */</em>
-<a class="jxr_linenumber" name="146" href="#146">146</a>   @Test
-<a class="jxr_linenumber" name="147" href="#147">147</a>   <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testServerSocketFromLocalhostResolution() <strong class="jxr_keyword">throws</strong> IOException {
-<a class="jxr_linenumber" name="148" href="#148">148</a>     InetAddress[] addrs = InetAddress.getAllByName(<span class="jxr_string">"localhost"</span>);
-<a class="jxr_linenumber" name="149" href="#149">149</a>     <strong class="jxr_keyword">for</strong> (InetAddress addr : addrs) {
-<a class="jxr_linenumber" name="150" href="#150">150</a>       LOG.info(<span class="jxr_string">"resolved localhost as:"</span> + addr);
-<a class="jxr_linenumber" name="151" href="#151">151</a>       bindServerSocket(addr);
-<a class="jxr_linenumber" name="152" href="#152">152</a>       bindNIOServerSocket(addr);
-<a class="jxr_linenumber" name="153" href="#153">153</a>     }
-<a class="jxr_linenumber" name="154" href="#154">154</a>   }
-<a class="jxr_linenumber" name="155" href="#155">155</a> 
-<a class="jxr_linenumber" name="156" href="#156">156</a>   <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">void</strong> main(String[] args) <strong class="jxr_keyword">throws</strong> Exception {
-<a class="jxr_linenumber" name="157" href="#157">157</a>     <a href="../../../../org/apache/hadoop/hbase/TestIPv6NIOServerSocketChannel.html">TestIPv6NIOServerSocketChannel</a> test = <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/hadoop/hbase/TestIPv6NIOServerSocketChannel.html">TestIPv6NIOServerSocketChannel</a>();
-<a class="jxr_linenumber" name="158" href="#158">158</a>     test.testServerSocket();
-<a class="jxr_linenumber" name="159" href="#159">159</a>     test.testServerSocketFromLocalhostResolution();
-<a class="jxr_linenumber" name="160" href="#160">160</a>   }
-<a class="jxr_linenumber" name="161" href="#161">161</a> }
+<a class="jxr_linenumber" name="131" href="#131">131</a>       <em class="jxr_comment">//if this is the case, ensure that we are running on preferIPv4=true</em>
+<a class="jxr_linenumber" name="132" href="#132">132</a>       ensurePreferIPv4();
+<a class="jxr_linenumber" name="133" href="#133">133</a>     }
+<a class="jxr_linenumber" name="134" href="#134">134</a>   }
+<a class="jxr_linenumber" name="135" href="#135">135</a> 
+<a class="jxr_linenumber" name="136" href="#136">136</a>   <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="137" href="#137">137</a> <em class="jxr_javadoccomment">   * Checks whether we are running with java.net.preferIPv4Stack=true</em>
+<a class="jxr_linenumber" name="138" href="#138">138</a> <em class="jxr_javadoccomment">   */</em>
+<a class="jxr_linenumber" name="139" href="#139">139</a>   <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> ensurePreferIPv4() <strong class="jxr_keyword">throws</strong> IOException {
+<a class="jxr_linenumber" name="140" href="#140">140</a>     InetAddress[] addrs = InetAddress.getAllByName(<span class="jxr_string">"localhost"</span>);
+<a class="jxr_linenumber" name="141" href="#141">141</a>     <strong class="jxr_keyword">for</strong> (InetAddress addr : addrs) {
+<a class="jxr_linenumber" name="142" href="#142">142</a>       LOG.info(<span class="jxr_string">"resolved localhost as:"</span> + addr);
+<a class="jxr_linenumber" name="143" href="#143">143</a>       Assert.assertEquals(4, addr.getAddress().length); <em class="jxr_comment">//ensure 4 byte ipv4 address</em>
+<a class="jxr_linenumber" name="144" href="#144">144</a>     }
+<a class="jxr_linenumber" name="145" href="#145">145</a>   }
+<a class="jxr_linenumber" name="146" href="#146">146</a> 
+<a class="jxr_linenumber" name="147" href="#147">147</a>   <em class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="148" href="#148">148</a> <em class="jxr_javadoccomment">   * Tests whether every InetAddress we obtain by resolving can open a</em>
+<a class="jxr_linenumber" name="149" href="#149">149</a> <em class="jxr_javadoccomment">   * ServerSocketChannel.</em>
+<a class="jxr_linenumber" name="150" href="#150">150</a> <em class="jxr_javadoccomment">   */</em>
+<a class="jxr_linenumber" name="151" href="#151">151</a>   @Test
+<a class="jxr_linenumber" name="152" href="#152">152</a>   <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> testServerSocketFromLocalhostResolution() <strong class="jxr_keyword">throws</strong> IOException {
+<a class="jxr_linenumber" name="153" href="#153">153</a>     InetAddress[] addrs = InetAddress.getAllByName(<span class="jxr_string">"localhost"</span>);
+<a class="jxr_linenumber" name="154" href="#154">154</a>     <strong class="jxr_keyword">for</strong> (InetAddress addr : addrs) {
+<a class="jxr_linenumber" name="155" href="#155">155</a>       LOG.info(<span class="jxr_string">"resolved localhost as:"</span> + addr);
+<a class="jxr_linenumber" name="156" href="#156">156</a>       bindServerSocket(addr);
+<a class="jxr_linenumber" name="157" href="#157">157</a>       bindNIOServerSocket(addr);
+<a class="jxr_linenumber" name="158" href="#158">158</a>     }
+<a class="jxr_linenumber" name="159" href="#159">159</a>   }
+<a class="jxr_linenumber" name="160" href="#160">160</a> 
+<a class="jxr_linenumber" name="161" href="#161">161</a>   <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">void</strong> main(String[] args) <strong class="jxr_keyword">throws</strong> Exception {
+<a class="jxr_linenumber" name="162" href="#162">162</a>     <a href="../../../../org/apache/hadoop/hbase/TestIPv6NIOServerSocketChannel.html">TestIPv6NIOServerSocketChannel</a> test = <strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/hadoop/hbase/TestIPv6NIOServerSocketChannel.html">TestIPv6NIOServerSocketChannel</a>();
+<a class="jxr_linenumber" name="163" href="#163">163</a>     test.testServerSocket();
+<a class="jxr_linenumber" name="164" href="#164">164</a>     test.testServerSocketFromLocalhostResolution();
+<a class="jxr_linenumber" name="165" href="#165">165</a>   }
+<a class="jxr_linenumber" name="166" href="#166">166</a> }
 </pre>
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