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From git-site-r...@apache.org
Subject [02/51] [partial] hbase-site git commit: Published site at .
Date Fri, 12 Jan 2018 15:31:31 GMT
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/0b638133/testdevapidocs/src-html/org/apache/hadoop/hbase/client/TestConnectionImplementation.html
----------------------------------------------------------------------
diff --git a/testdevapidocs/src-html/org/apache/hadoop/hbase/client/TestConnectionImplementation.html b/testdevapidocs/src-html/org/apache/hadoop/hbase/client/TestConnectionImplementation.html
index 3068847..a1ce1bf 100644
--- a/testdevapidocs/src-html/org/apache/hadoop/hbase/client/TestConnectionImplementation.html
+++ b/testdevapidocs/src-html/org/apache/hadoop/hbase/client/TestConnectionImplementation.html
@@ -23,83 +23,1033 @@
 <span class="sourceLineNo">015</span> * See the License for the specific language governing permissions and<a name="line.15"></a>
 <span class="sourceLineNo">016</span> * limitations under the License.<a name="line.16"></a>
 <span class="sourceLineNo">017</span> */<a name="line.17"></a>
-<span class="sourceLineNo">018</span><a name="line.18"></a>
-<span class="sourceLineNo">019</span>package org.apache.hadoop.hbase.client;<a name="line.19"></a>
-<span class="sourceLineNo">020</span><a name="line.20"></a>
-<span class="sourceLineNo">021</span>import static org.junit.Assert.fail;<a name="line.21"></a>
-<span class="sourceLineNo">022</span><a name="line.22"></a>
-<span class="sourceLineNo">023</span>import org.apache.hadoop.hbase.HBaseTestingUtility;<a name="line.23"></a>
-<span class="sourceLineNo">024</span>import org.apache.hadoop.hbase.HConstants;<a name="line.24"></a>
-<span class="sourceLineNo">025</span>import org.apache.hadoop.hbase.ServerName;<a name="line.25"></a>
-<span class="sourceLineNo">026</span>import org.apache.hadoop.hbase.testclassification.ClientTests;<a name="line.26"></a>
-<span class="sourceLineNo">027</span>import org.apache.hadoop.hbase.testclassification.MediumTests;<a name="line.27"></a>
-<span class="sourceLineNo">028</span>import org.junit.AfterClass;<a name="line.28"></a>
-<span class="sourceLineNo">029</span>import org.junit.BeforeClass;<a name="line.29"></a>
-<span class="sourceLineNo">030</span>import org.junit.Test;<a name="line.30"></a>
-<span class="sourceLineNo">031</span>import org.junit.experimental.categories.Category;<a name="line.31"></a>
-<span class="sourceLineNo">032</span><a name="line.32"></a>
-<span class="sourceLineNo">033</span>import java.net.UnknownHostException;<a name="line.33"></a>
-<span class="sourceLineNo">034</span><a name="line.34"></a>
-<span class="sourceLineNo">035</span>/**<a name="line.35"></a>
-<span class="sourceLineNo">036</span> * Tests that we fail fast when hostname resolution is not working and do not cache<a name="line.36"></a>
-<span class="sourceLineNo">037</span> * unresolved InetSocketAddresses.<a name="line.37"></a>
-<span class="sourceLineNo">038</span> */<a name="line.38"></a>
-<span class="sourceLineNo">039</span>@Category({MediumTests.class, ClientTests.class})<a name="line.39"></a>
-<span class="sourceLineNo">040</span>public class TestConnectionImplementation {<a name="line.40"></a>
-<span class="sourceLineNo">041</span>  private static HBaseTestingUtility testUtil;<a name="line.41"></a>
-<span class="sourceLineNo">042</span>  private static ConnectionImplementation conn;<a name="line.42"></a>
-<span class="sourceLineNo">043</span><a name="line.43"></a>
-<span class="sourceLineNo">044</span>  @BeforeClass<a name="line.44"></a>
-<span class="sourceLineNo">045</span>  public static void setupBeforeClass() throws Exception {<a name="line.45"></a>
-<span class="sourceLineNo">046</span>    testUtil = HBaseTestingUtility.createLocalHTU();<a name="line.46"></a>
-<span class="sourceLineNo">047</span>    testUtil.startMiniCluster();<a name="line.47"></a>
-<span class="sourceLineNo">048</span>    conn = (ConnectionImplementation) testUtil.getConnection();<a name="line.48"></a>
-<span class="sourceLineNo">049</span>  }<a name="line.49"></a>
-<span class="sourceLineNo">050</span><a name="line.50"></a>
-<span class="sourceLineNo">051</span>  @AfterClass<a name="line.51"></a>
-<span class="sourceLineNo">052</span>  public static void teardownAfterClass() throws Exception {<a name="line.52"></a>
-<span class="sourceLineNo">053</span>    conn.close();<a name="line.53"></a>
-<span class="sourceLineNo">054</span>    testUtil.shutdownMiniCluster();<a name="line.54"></a>
-<span class="sourceLineNo">055</span>  }<a name="line.55"></a>
-<span class="sourceLineNo">056</span><a name="line.56"></a>
-<span class="sourceLineNo">057</span>  @Test(expected = UnknownHostException.class)<a name="line.57"></a>
-<span class="sourceLineNo">058</span>  public void testGetAdminBadHostname() throws Exception {<a name="line.58"></a>
-<span class="sourceLineNo">059</span>    // verify that we can get an instance with the cluster hostname<a name="line.59"></a>
-<span class="sourceLineNo">060</span>    ServerName master = testUtil.getHBaseCluster().getMaster().getServerName();<a name="line.60"></a>
-<span class="sourceLineNo">061</span>    try {<a name="line.61"></a>
-<span class="sourceLineNo">062</span>      conn.getAdmin(master);<a name="line.62"></a>
-<span class="sourceLineNo">063</span>    } catch (UnknownHostException uhe) {<a name="line.63"></a>
-<span class="sourceLineNo">064</span>      fail("Obtaining admin to the cluster master should have succeeded");<a name="line.64"></a>
-<span class="sourceLineNo">065</span>    }<a name="line.65"></a>
-<span class="sourceLineNo">066</span><a name="line.66"></a>
-<span class="sourceLineNo">067</span>    // test that we fail to get a client to an unresolvable hostname, which<a name="line.67"></a>
-<span class="sourceLineNo">068</span>    // means it won't be cached<a name="line.68"></a>
-<span class="sourceLineNo">069</span>    ServerName badHost =<a name="line.69"></a>
-<span class="sourceLineNo">070</span>        ServerName.valueOf("unknownhost.invalid:" + HConstants.DEFAULT_MASTER_PORT,<a name="line.70"></a>
-<span class="sourceLineNo">071</span>        System.currentTimeMillis());<a name="line.71"></a>
-<span class="sourceLineNo">072</span>    conn.getAdmin(badHost);<a name="line.72"></a>
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-<span class="sourceLineNo">074</span>  }<a name="line.74"></a>
-<span class="sourceLineNo">075</span><a name="line.75"></a>
-<span class="sourceLineNo">076</span>  @Test(expected = UnknownHostException.class)<a name="line.76"></a>
-<span class="sourceLineNo">077</span>  public void testGetClientBadHostname() throws Exception {<a name="line.77"></a>
-<span class="sourceLineNo">078</span>    // verify that we can get an instance with the cluster hostname<a name="line.78"></a>
-<span class="sourceLineNo">079</span>    ServerName rs = testUtil.getHBaseCluster().getRegionServer(0).getServerName();<a name="line.79"></a>
-<span class="sourceLineNo">080</span>    try {<a name="line.80"></a>
-<span class="sourceLineNo">081</span>      conn.getClient(rs);<a name="line.81"></a>
-<span class="sourceLineNo">082</span>    } catch (UnknownHostException uhe) {<a name="line.82"></a>
-<span class="sourceLineNo">083</span>      fail("Obtaining client to the cluster regionserver should have succeeded");<a name="line.83"></a>
-<span class="sourceLineNo">084</span>    }<a name="line.84"></a>
-<span class="sourceLineNo">085</span><a name="line.85"></a>
-<span class="sourceLineNo">086</span>    // test that we fail to get a client to an unresolvable hostname, which<a name="line.86"></a>
-<span class="sourceLineNo">087</span>    // means it won't be cached<a name="line.87"></a>
-<span class="sourceLineNo">088</span>    ServerName badHost =<a name="line.88"></a>
-<span class="sourceLineNo">089</span>        ServerName.valueOf("unknownhost.invalid:" + HConstants.DEFAULT_REGIONSERVER_PORT,<a name="line.89"></a>
-<span class="sourceLineNo">090</span>        System.currentTimeMillis());<a name="line.90"></a>
-<span class="sourceLineNo">091</span>    conn.getAdmin(badHost);<a name="line.91"></a>
-<span class="sourceLineNo">092</span>    fail("Obtaining client to unresolvable hostname should have failed");<a name="line.92"></a>
-<span class="sourceLineNo">093</span>  }<a name="line.93"></a>
-<span class="sourceLineNo">094</span>}<a name="line.94"></a>
+<span class="sourceLineNo">018</span>package org.apache.hadoop.hbase.client;<a name="line.18"></a>
+<span class="sourceLineNo">019</span><a name="line.19"></a>
+<span class="sourceLineNo">020</span>import static org.junit.Assert.assertEquals;<a name="line.20"></a>
+<span class="sourceLineNo">021</span>import static org.junit.Assert.assertFalse;<a name="line.21"></a>
+<span class="sourceLineNo">022</span>import static org.junit.Assert.assertNotNull;<a name="line.22"></a>
+<span class="sourceLineNo">023</span>import static org.junit.Assert.assertNull;<a name="line.23"></a>
+<span class="sourceLineNo">024</span>import static org.junit.Assert.assertTrue;<a name="line.24"></a>
+<span class="sourceLineNo">025</span><a name="line.25"></a>
+<span class="sourceLineNo">026</span>import java.io.IOException;<a name="line.26"></a>
+<span class="sourceLineNo">027</span>import java.lang.reflect.Field;<a name="line.27"></a>
+<span class="sourceLineNo">028</span>import java.lang.reflect.Modifier;<a name="line.28"></a>
+<span class="sourceLineNo">029</span>import java.net.SocketTimeoutException;<a name="line.29"></a>
+<span class="sourceLineNo">030</span>import java.util.ArrayList;<a name="line.30"></a>
+<span class="sourceLineNo">031</span>import java.util.List;<a name="line.31"></a>
+<span class="sourceLineNo">032</span>import java.util.concurrent.ExecutorService;<a name="line.32"></a>
+<span class="sourceLineNo">033</span>import java.util.concurrent.SynchronousQueue;<a name="line.33"></a>
+<span class="sourceLineNo">034</span>import java.util.concurrent.ThreadLocalRandom;<a name="line.34"></a>
+<span class="sourceLineNo">035</span>import java.util.concurrent.ThreadPoolExecutor;<a name="line.35"></a>
+<span class="sourceLineNo">036</span>import java.util.concurrent.TimeUnit;<a name="line.36"></a>
+<span class="sourceLineNo">037</span>import java.util.concurrent.atomic.AtomicBoolean;<a name="line.37"></a>
+<span class="sourceLineNo">038</span>import java.util.concurrent.atomic.AtomicInteger;<a name="line.38"></a>
+<span class="sourceLineNo">039</span>import java.util.concurrent.atomic.AtomicReference;<a name="line.39"></a>
+<span class="sourceLineNo">040</span>import org.apache.hadoop.conf.Configuration;<a name="line.40"></a>
+<span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.CategoryBasedTimeout;<a name="line.41"></a>
+<span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.Cell;<a name="line.42"></a>
+<span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.HBaseTestingUtility;<a name="line.43"></a>
+<span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.HConstants;<a name="line.44"></a>
+<span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.HRegionLocation;<a name="line.45"></a>
+<span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.RegionLocations;<a name="line.46"></a>
+<span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.ServerName;<a name="line.47"></a>
+<span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.TableName;<a name="line.48"></a>
+<span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.Waiter;<a name="line.49"></a>
+<span class="sourceLineNo">050</span>import org.apache.hadoop.hbase.exceptions.ClientExceptionsUtil;<a name="line.50"></a>
+<span class="sourceLineNo">051</span>import org.apache.hadoop.hbase.exceptions.DeserializationException;<a name="line.51"></a>
+<span class="sourceLineNo">052</span>import org.apache.hadoop.hbase.exceptions.RegionMovedException;<a name="line.52"></a>
+<span class="sourceLineNo">053</span>import org.apache.hadoop.hbase.filter.Filter;<a name="line.53"></a>
+<span class="sourceLineNo">054</span>import org.apache.hadoop.hbase.filter.FilterBase;<a name="line.54"></a>
+<span class="sourceLineNo">055</span>import org.apache.hadoop.hbase.ipc.RpcClient;<a name="line.55"></a>
+<span class="sourceLineNo">056</span>import org.apache.hadoop.hbase.master.HMaster;<a name="line.56"></a>
+<span class="sourceLineNo">057</span>import org.apache.hadoop.hbase.regionserver.HRegion;<a name="line.57"></a>
+<span class="sourceLineNo">058</span>import org.apache.hadoop.hbase.regionserver.HRegionServer;<a name="line.58"></a>
+<span class="sourceLineNo">059</span>import org.apache.hadoop.hbase.regionserver.Region;<a name="line.59"></a>
+<span class="sourceLineNo">060</span>import org.apache.hadoop.hbase.regionserver.RegionServerStoppedException;<a name="line.60"></a>
+<span class="sourceLineNo">061</span>import org.apache.hadoop.hbase.testclassification.LargeTests;<a name="line.61"></a>
+<span class="sourceLineNo">062</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.62"></a>
+<span class="sourceLineNo">063</span>import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;<a name="line.63"></a>
+<span class="sourceLineNo">064</span>import org.apache.hadoop.hbase.util.JVMClusterUtil;<a name="line.64"></a>
+<span class="sourceLineNo">065</span>import org.apache.hadoop.hbase.util.ManualEnvironmentEdge;<a name="line.65"></a>
+<span class="sourceLineNo">066</span>import org.apache.hadoop.hbase.util.Threads;<a name="line.66"></a>
+<span class="sourceLineNo">067</span>import org.junit.AfterClass;<a name="line.67"></a>
+<span class="sourceLineNo">068</span>import org.junit.Assert;<a name="line.68"></a>
+<span class="sourceLineNo">069</span>import org.junit.BeforeClass;<a name="line.69"></a>
+<span class="sourceLineNo">070</span>import org.junit.Ignore;<a name="line.70"></a>
+<span class="sourceLineNo">071</span>import org.junit.Rule;<a name="line.71"></a>
+<span class="sourceLineNo">072</span>import org.junit.Test;<a name="line.72"></a>
+<span class="sourceLineNo">073</span>import org.junit.experimental.categories.Category;<a name="line.73"></a>
+<span class="sourceLineNo">074</span>import org.junit.rules.TestName;<a name="line.74"></a>
+<span class="sourceLineNo">075</span>import org.junit.rules.TestRule;<a name="line.75"></a>
+<span class="sourceLineNo">076</span>import org.slf4j.Logger;<a name="line.76"></a>
+<span class="sourceLineNo">077</span>import org.slf4j.LoggerFactory;<a name="line.77"></a>
+<span class="sourceLineNo">078</span><a name="line.78"></a>
+<span class="sourceLineNo">079</span>import org.apache.hbase.thirdparty.com.google.common.collect.Lists;<a name="line.79"></a>
+<span class="sourceLineNo">080</span><a name="line.80"></a>
+<span class="sourceLineNo">081</span>/**<a name="line.81"></a>
+<span class="sourceLineNo">082</span> * This class is for testing HBaseConnectionManager features<a name="line.82"></a>
+<span class="sourceLineNo">083</span> */<a name="line.83"></a>
+<span class="sourceLineNo">084</span>@Category({LargeTests.class})<a name="line.84"></a>
+<span class="sourceLineNo">085</span>public class TestConnectionImplementation {<a name="line.85"></a>
+<span class="sourceLineNo">086</span>  @Rule<a name="line.86"></a>
+<span class="sourceLineNo">087</span>  public final TestRule timeout = CategoryBasedTimeout.builder().withTimeout(this.getClass())<a name="line.87"></a>
+<span class="sourceLineNo">088</span>      .withLookingForStuckThread(true).build();<a name="line.88"></a>
+<span class="sourceLineNo">089</span>  private static final Logger LOG = LoggerFactory.getLogger(TestConnectionImplementation.class);<a name="line.89"></a>
+<span class="sourceLineNo">090</span>  private final static HBaseTestingUtility TEST_UTIL = new HBaseTestingUtility();<a name="line.90"></a>
+<span class="sourceLineNo">091</span>  private static final TableName TABLE_NAME =<a name="line.91"></a>
+<span class="sourceLineNo">092</span>      TableName.valueOf("test");<a name="line.92"></a>
+<span class="sourceLineNo">093</span>  private static final TableName TABLE_NAME1 =<a name="line.93"></a>
+<span class="sourceLineNo">094</span>      TableName.valueOf("test1");<a name="line.94"></a>
+<span class="sourceLineNo">095</span>  private static final TableName TABLE_NAME2 =<a name="line.95"></a>
+<span class="sourceLineNo">096</span>      TableName.valueOf("test2");<a name="line.96"></a>
+<span class="sourceLineNo">097</span>  private static final TableName TABLE_NAME3 =<a name="line.97"></a>
+<span class="sourceLineNo">098</span>      TableName.valueOf("test3");<a name="line.98"></a>
+<span class="sourceLineNo">099</span>  private static final byte[] FAM_NAM = Bytes.toBytes("f");<a name="line.99"></a>
+<span class="sourceLineNo">100</span>  private static final byte[] ROW = Bytes.toBytes("bbb");<a name="line.100"></a>
+<span class="sourceLineNo">101</span>  private static final byte[] ROW_X = Bytes.toBytes("xxx");<a name="line.101"></a>
+<span class="sourceLineNo">102</span>  private static final int RPC_RETRY = 5;<a name="line.102"></a>
+<span class="sourceLineNo">103</span><a name="line.103"></a>
+<span class="sourceLineNo">104</span>  @Rule<a name="line.104"></a>
+<span class="sourceLineNo">105</span>  public TestName name = new TestName();<a name="line.105"></a>
+<span class="sourceLineNo">106</span><a name="line.106"></a>
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+<span class="sourceLineNo">108</span>  public static void setUpBeforeClass() throws Exception {<a name="line.108"></a>
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+<span class="sourceLineNo">110</span>    // Up the handlers; this test needs more than usual.<a name="line.110"></a>
+<span class="sourceLineNo">111</span>    TEST_UTIL.getConfiguration().setInt(HConstants.REGION_SERVER_HIGH_PRIORITY_HANDLER_COUNT, 10);<a name="line.111"></a>
+<span class="sourceLineNo">112</span>    TEST_UTIL.getConfiguration().setInt(HConstants.HBASE_CLIENT_RETRIES_NUMBER, RPC_RETRY);<a name="line.112"></a>
+<span class="sourceLineNo">113</span>    TEST_UTIL.getConfiguration().setInt(HConstants.REGION_SERVER_HANDLER_COUNT, 3);<a name="line.113"></a>
+<span class="sourceLineNo">114</span>    TEST_UTIL.startMiniCluster(2);<a name="line.114"></a>
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+<span class="sourceLineNo">116</span>  }<a name="line.116"></a>
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+<span class="sourceLineNo">121</span>  }<a name="line.121"></a>
+<span class="sourceLineNo">122</span><a name="line.122"></a>
+<span class="sourceLineNo">123</span>  public void testClusterConnection() throws IOException {<a name="line.123"></a>
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+<span class="sourceLineNo">125</span>        5, TimeUnit.SECONDS,<a name="line.125"></a>
+<span class="sourceLineNo">126</span>        new SynchronousQueue&lt;&gt;(),<a name="line.126"></a>
+<span class="sourceLineNo">127</span>        Threads.newDaemonThreadFactory("test-hcm"));<a name="line.127"></a>
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+<span class="sourceLineNo">129</span>    Connection con1 = ConnectionFactory.createConnection(TEST_UTIL.getConfiguration());<a name="line.129"></a>
+<span class="sourceLineNo">130</span>    Connection con2 = ConnectionFactory.createConnection(TEST_UTIL.getConfiguration(), otherPool);<a name="line.130"></a>
+<span class="sourceLineNo">131</span>    // make sure the internally created ExecutorService is the one passed<a name="line.131"></a>
+<span class="sourceLineNo">132</span>    assertTrue(otherPool == ((ConnectionImplementation) con2).getCurrentBatchPool());<a name="line.132"></a>
+<span class="sourceLineNo">133</span><a name="line.133"></a>
+<span class="sourceLineNo">134</span>    final TableName tableName = TableName.valueOf(name.getMethodName());<a name="line.134"></a>
+<span class="sourceLineNo">135</span>    TEST_UTIL.createTable(tableName, FAM_NAM).close();<a name="line.135"></a>
+<span class="sourceLineNo">136</span>    Table table = con1.getTable(tableName, otherPool);<a name="line.136"></a>
+<span class="sourceLineNo">137</span><a name="line.137"></a>
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+<span class="sourceLineNo">139</span><a name="line.139"></a>
+<span class="sourceLineNo">140</span>    if(table instanceof HTable) {<a name="line.140"></a>
+<span class="sourceLineNo">141</span>      HTable t = (HTable) table;<a name="line.141"></a>
+<span class="sourceLineNo">142</span>      // make sure passing a pool to the getTable does not trigger creation of an internal pool<a name="line.142"></a>
+<span class="sourceLineNo">143</span>      assertNull("Internal Thread pool should be null",<a name="line.143"></a>
+<span class="sourceLineNo">144</span>        ((ConnectionImplementation) con1).getCurrentBatchPool());<a name="line.144"></a>
+<span class="sourceLineNo">145</span>      // table should use the pool passed<a name="line.145"></a>
+<span class="sourceLineNo">146</span>      assertTrue(otherPool == t.getPool());<a name="line.146"></a>
+<span class="sourceLineNo">147</span>      t.close();<a name="line.147"></a>
+<span class="sourceLineNo">148</span><a name="line.148"></a>
+<span class="sourceLineNo">149</span>      t = (HTable) con2.getTable(tableName);<a name="line.149"></a>
+<span class="sourceLineNo">150</span>      // table should use the connectin's internal pool<a name="line.150"></a>
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+<span class="sourceLineNo">152</span>      t.close();<a name="line.152"></a>
+<span class="sourceLineNo">153</span><a name="line.153"></a>
+<span class="sourceLineNo">154</span>      t = (HTable) con2.getTable(tableName);<a name="line.154"></a>
+<span class="sourceLineNo">155</span>      // try other API too<a name="line.155"></a>
+<span class="sourceLineNo">156</span>      assertTrue(otherPool == t.getPool());<a name="line.156"></a>
+<span class="sourceLineNo">157</span>      t.close();<a name="line.157"></a>
+<span class="sourceLineNo">158</span><a name="line.158"></a>
+<span class="sourceLineNo">159</span>      t = (HTable) con2.getTable(tableName);<a name="line.159"></a>
+<span class="sourceLineNo">160</span>      // try other API too<a name="line.160"></a>
+<span class="sourceLineNo">161</span>      assertTrue(otherPool == t.getPool());<a name="line.161"></a>
+<span class="sourceLineNo">162</span>      t.close();<a name="line.162"></a>
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+<span class="sourceLineNo">626</span><a name="line.626"></a>
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+<span class="sourceLineNo">636</span>      LOG.info("Put done, exception caught: " + e.getClass());<a name="line.636"></a>
+<span class="sourceLineNo">637</span>      Assert.assertEquals(1, e.getNumExceptions());<a name="line.637"></a>
+<span class="sourceLineNo">638</span>      Assert.assertEquals(1, e.getCauses().size());<a name="line.638"></a>
+<span class="sourceLineNo">639</span>      Assert.assertArrayEquals(e.getRow(0).getRow(), ROW);<a name="line.639"></a>
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+<span class="sourceLineNo">641</span>      // Check that we unserialized the exception as expected<a name="line.641"></a>
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+<span class="sourceLineNo">646</span>      // hbase2 throws RetriesExhaustedException instead of RetriesExhaustedWithDetailsException<a name="line.646"></a>
+<span class="sourceLineNo">647</span>      // as hbase1 used to do. Keep an eye on this to see if this changed behavior is an issue.<a name="line.647"></a>
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+<span class="sourceLineNo">662</span>      .containsKey(encodedRegionNameBytes));<a name="line.662"></a>
+<span class="sourceLineNo">663</span><a name="line.663"></a>
+<span class="sourceLineNo">664</span>    // We move it back to do another test with a scan<a name="line.664"></a>
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+<span class="sourceLineNo">668</span>      curServer.getServerName().getServerName().getBytes()<a name="line.668"></a>
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+<span class="sourceLineNo">673</span>        curServer.getRegionsInTransitionInRS().containsKey(encodedRegionNameBytes) ||<a name="line.673"></a>
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+<span class="sourceLineNo">678</span><a name="line.678"></a>
+<span class="sourceLineNo">679</span>    // Check our new state.<a name="line.679"></a>
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+<span class="sourceLineNo">681</span>    Assert.assertNull(destServer.getOnlineRegion(regionName));<a name="line.681"></a>
+<span class="sourceLineNo">682</span>    LOG.info("Move finished for region=" + toMove.getRegionInfo().getRegionNameAsString());<a name="line.682"></a>
+<span class="sourceLineNo">683</span><a name="line.683"></a>
+<span class="sourceLineNo">684</span>    // Cache was NOT updated and points to the wrong server<a name="line.684"></a>
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+<span class="sourceLineNo">687</span><a name="line.687"></a>
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+<span class="sourceLineNo">702</span>      LOG.info("Scan done, expected exception caught: " + e.getClass());<a name="line.702"></a>
+<span class="sourceLineNo">703</span>    }<a name="line.703"></a>
+<span class="sourceLineNo">704</span><a name="line.704"></a>
+<span class="sourceLineNo">705</span>    // Cache is updated with the right value.<a name="line.705"></a>
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+<span class="sourceLineNo">707</span>    Assert.assertEquals(<a name="line.707"></a>
+<span class="sourceLineNo">708</span>      "Previous server was "+destServer.getServerName().getHostAndPort(),<a name="line.708"></a>
+<span class="sourceLineNo">709</span>      curServer.getServerName().getPort(),<a name="line.709"></a>
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+<span class="sourceLineNo">717</span>  /**<a name="line.717"></a>
+<span class="sourceLineNo">718</span>   * Test that Connection or Pool are not closed when managed externally<a name="line.718"></a>
+<span class="sourceLineNo">719</span>   * @throws Exception<a name="line.719"></a>
+<span class="sourceLineNo">720</span>   */<a name="line.720"></a>
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+<span class="sourceLineNo">726</span>    table.close();<a name="line.726"></a>
+<span class="sourceLineNo">727</span>    assertFalse(conn.isClosed());<a name="line.727"></a>
+<span class="sourceLineNo">728</span>    if(table instanceof HTable) {<a name="line.728"></a>
+<span class="sourceLineNo">729</span>      assertFalse(((HTable) table).getPool().isShutdown());<a name="line.729"></a>
+<span class="sourceLineNo">730</span>    }<a name="line.730"></a>
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+<span class="sourceLineNo">733</span>    if(table instanceof HTable) {<a name="line.733"></a>
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+<span class="sourceLineNo">735</span>    }<a name="line.735"></a>
+<span class="sourceLineNo">736</span>    conn.close();<a name="line.736"></a>
+<span class="sourceLineNo">737</span>    if(table instanceof HTable) {<a name="line.737"></a>
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+<span class="sourceLineNo">739</span>    }<a name="line.739"></a>
+<span class="sourceLineNo">740</span>    table0.close();<a name="line.740"></a>
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+<span class="sourceLineNo">742</span><a name="line.742"></a>
+<span class="sourceLineNo">743</span>  /**<a name="line.743"></a>
+<span class="sourceLineNo">744</span>   * Test that stale cache updates don't override newer cached values.<a name="line.744"></a>
+<span class="sourceLineNo">745</span>   */<a name="line.745"></a>
+<span class="sourceLineNo">746</span>  @Test<a name="line.746"></a>
+<span class="sourceLineNo">747</span>  public void testCacheSeqNums() throws Exception{<a name="line.747"></a>
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+<span class="sourceLineNo">751</span>    table.put(put);<a name="line.751"></a>
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+<span class="sourceLineNo">753</span><a name="line.753"></a>
+<span class="sourceLineNo">754</span>    HRegionLocation location = conn.getCachedLocation(TABLE_NAME2, ROW).getRegionLocation();<a name="line.754"></a>
+<span class="sourceLineNo">755</span>    assertNotNull(location);<a name="line.755"></a>
+<span class="sourceLineNo">756</span><a name="line.756"></a>
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+<span class="sourceLineNo">758</span><a name="line.758"></a>
+<span class="sourceLineNo">759</span>    // Same server as already in cache reporting - overwrites any value despite seqNum.<a name="line.759"></a>
+<span class="sourceLineNo">760</span>    int nextPort = location.getPort() + 1;<a name="line.760"></a>
+<span class="sourceLineNo">761</span>    conn.updateCachedLocation(location.getRegionInfo(), location.getServerName(),<a name="line.761"></a>
+<span class="sourceLineNo">762</span>        ServerName.valueOf("127.0.0.1", nextPort, 0), location.getSeqNum() - 1);<a name="line.762"></a>
+<span class="sourceLineNo">763</span>    location = conn.getCachedLocation(TABLE_NAME2, ROW).getRegionLocation();<a name="line.763"></a>
+<span class="sourceLineNo">764</span>    Assert.assertEquals(nextPort, location.getPort());<a name="line.764"></a>
+<span class="sourceLineNo">765</span><a name="line.765"></a>
+<span class="sourceLineNo">766</span>    // No source specified - same.<a name="line.766"></a>
+<span class="sourceLineNo">767</span>    nextPort = location.getPort() + 1;<a name="line.767"></a>
+<span class="sourceLineNo">768</span>    conn.updateCachedLocation(location.getRegionInfo(), location.getServerName(),<a name="line.768"></a>
+<span class="sourceLineNo">769</span>        ServerName.valueOf("127.0.0.1", nextPort, 0), location.getSeqNum() - 1);<a name="line.769"></a>
+<span class="sourceLineNo">770</span>    location = conn.getCachedLocation(TABLE_NAME2, ROW).getRegionLocation();<a name="line.770"></a>
+<span class="sourceLineNo">771</span>    Assert.assertEquals(nextPort, location.getPort());<a name="line.771"></a>
+<span class="sourceLineNo">772</span><a name="line.772"></a>
+<span class="sourceLineNo">773</span>    // Higher seqNum - overwrites lower seqNum.<a name="line.773"></a>
+<span class="sourceLineNo">774</span>    nextPort = location.getPort() + 1;<a name="line.774"></a>
+<span class="sourceLineNo">775</span>    conn.updateCachedLocation(location.getRegionInfo(), anySource,<a name="line.775"></a>
+<span class="sourceLineNo">776</span>        ServerName.valueOf("127.0.0.1", nextPort, 0), location.getSeqNum() + 1);<a name="line.776"></a>
+<span class="sourceLineNo">777</span>    location = conn.getCachedLocation(TABLE_NAME2, ROW).getRegionLocation();<a name="line.777"></a>
+<span class="sourceLineNo">778</span>    Assert.assertEquals(nextPort, location.getPort());<a name="line.778"></a>
+<span class="sourceLineNo">779</span><a name="line.779"></a>
+<span class="sourceLineNo">780</span>    // Lower seqNum - does not overwrite higher seqNum.<a name="line.780"></a>
+<span class="sourceLineNo">781</span>    nextPort = location.getPort() + 1;<a name="line.781"></a>
+<span class="sourceLineNo">782</span>    conn.updateCachedLocation(location.getRegionInfo(), anySource,<a name="line.782"></a>
+<span class="sourceLineNo">783</span>        ServerName.valueOf("127.0.0.1", nextPort, 0), location.getSeqNum() - 1);<a name="line.783"></a>
+<span class="sourceLineNo">784</span>    location = conn.getCachedLocation(TABLE_NAME2, ROW).getRegionLocation();<a name="line.784"></a>
+<span class="sourceLineNo">785</span>    Assert.assertEquals(nextPort - 1, location.getPort());<a name="line.785"></a>
+<span class="sourceLineNo">786</span>    table.close();<a name="line.786"></a>
+<span class="sourceLineNo">787</span>  }<a name="line.787"></a>
+<span class="sourceLineNo">788</span><a name="line.788"></a>
+<span class="sourceLineNo">789</span>  @Test<a name="line.789"></a>
+<span class="sourceLineNo">790</span>  public void testClosing() throws Exception {<a name="line.790"></a>
+<span class="sourceLineNo">791</span>    Configuration configuration =<a name="line.791"></a>
+<span class="sourceLineNo">792</span>      new Configuration(TEST_UTIL.getConfiguration());<a name="line.792"></a>
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+<span class="sourceLineNo">794</span>      String.valueOf(ThreadLocalRandom.current().nextInt()));<a name="line.794"></a>
+<span class="sourceLineNo">795</span><a name="line.795"></a>
+<span class="sourceLineNo">796</span>    // as connection caching is going away, now we're just testing<a name="line.796"></a>
+<span class="sourceLineNo">797</span>    // that closed connection does actually get closed.<a name="line.797"></a>
+<span class="sourceLineNo">798</span><a name="line.798"></a>
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+<span class="sourceLineNo">800</span>    Connection c2 = ConnectionFactory.createConnection(configuration);<a name="line.800"></a>
+<span class="sourceLineNo">801</span>    // no caching, different connections<a name="line.801"></a>
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+<span class="sourceLineNo">803</span><a name="line.803"></a>
+<span class="sourceLineNo">804</span>    // closing independently<a name="line.804"></a>
+<span class="sourceLineNo">805</span>    c1.close();<a name="line.805"></a>
+<span class="sourceLineNo">806</span>    assertTrue(c1.isClosed());<a name="line.806"></a>
+<span class="sourceLineNo">807</span>    assertFalse(c2.isClosed());<a name="line.807"></a>
+<span class="sourceLineNo">808</span><a name="line.808"></a>
+<span class="sourceLineNo">809</span>    c2.close();<a name="line.809"></a>
+<span class="sourceLineNo">810</span>    assertTrue(c2.isClosed());<a name="line.810"></a>
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+<span class="sourceLineNo">812</span><a name="line.812"></a>
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+<span class="sourceLineNo">814</span>   * Trivial test to verify that nobody messes with<a name="line.814"></a>
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+<span class="sourceLineNo">816</span>   */<a name="line.816"></a>
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+<span class="sourceLineNo">818</span>  public void testCreateConnection() throws Exception {<a name="line.818"></a>
+<span class="sourceLineNo">819</span>    Configuration configuration = TEST_UTIL.getConfiguration();<a name="line.819"></a>
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+<span class="sourceLineNo">821</span>    Connection c2 = ConnectionFactory.createConnection(configuration);<a name="line.821"></a>
+<

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