Examples with UnknownHostException java.net.UnknownHostException used on opensource projects

Example 16 with UnknownHostException

use of java.net.UnknownHostException in project hbase by apache.

the class TestConnectionImplementation method testGetAdminBadHostname.

@Test(expected = UnknownHostException.class)
public void testGetAdminBadHostname() throws Exception {
    // verify that we can get an instance with the cluster hostname
    ServerName master = testUtil.getHBaseCluster().getMaster().getServerName();
    try {
        conn.getAdmin(master);
    } catch (UnknownHostException uhe) {
        fail("Obtaining admin to the cluster master should have succeeded");
    }
    // test that we fail to get a client to an unresolvable hostname, which
    // means it won't be cached
    ServerName badHost = ServerName.valueOf("unknownhost.example.com:" + HConstants.DEFAULT_MASTER_PORT, System.currentTimeMillis());
    conn.getAdmin(badHost);
    fail("Obtaining admin to unresolvable hostname should have failed");
}

Example 17 with UnknownHostException

use of java.net.UnknownHostException in project hbase by apache.

the class TestConnectionImplementation method testGetClientBadHostname.

@Test(expected = UnknownHostException.class)
public void testGetClientBadHostname() throws Exception {
    // verify that we can get an instance with the cluster hostname
    ServerName rs = testUtil.getHBaseCluster().getRegionServer(0).getServerName();
    try {
        conn.getClient(rs);
    } catch (UnknownHostException uhe) {
        fail("Obtaining client to the cluster regionserver should have succeeded");
    }
    // test that we fail to get a client to an unresolvable hostname, which
    // means it won't be cached
    ServerName badHost = ServerName.valueOf("unknownhost.example.com:" + HConstants.DEFAULT_REGIONSERVER_PORT, System.currentTimeMillis());
    conn.getAdmin(badHost);
    fail("Obtaining client to unresolvable hostname should have failed");
}

Example 18 with UnknownHostException

use of java.net.UnknownHostException in project storm by apache.

the class TestSimpleFileNameFormat method testParameters.

@Test
public void testParameters() {
    SimpleFileNameFormat format = new SimpleFileNameFormat().withName("$TIME.$HOST.$COMPONENT.$TASK.$NUM.txt").withPath("/mypath").withTimeFormat("yyyy-MM-dd HH:mm:ss");
    format.prepare(null, createTopologyContext());
    long now = System.currentTimeMillis();
    String path = format.getPath();
    String name = format.getName(1, now);
    Assert.assertEquals("/mypath", path);
    String time = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(now);
    String host = null;
    try {
        host = Utils.localHostname();
    } catch (UnknownHostException e) {
        e.printStackTrace();
    }
    Assert.assertEquals(time + "." + host + ".Xcom.7.1.txt", name);
}

Example 19 with UnknownHostException

use of java.net.UnknownHostException in project storm by apache.

the class TestSimpleFileNameFormat method testParameters.

@Test
public void testParameters() {
    SimpleFileNameFormat format = new SimpleFileNameFormat().withName("$TIME.$HOST.$PARTITION.$NUM.txt").withPath("/mypath").withTimeFormat("yyyy-MM-dd HH:mm:ss");
    format.prepare(null, 3, 5);
    long now = System.currentTimeMillis();
    String path = format.getPath();
    String name = format.getName(1, now);
    Assert.assertEquals("/mypath", path);
    String time = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(now);
    String host = null;
    try {
        host = Utils.localHostname();
    } catch (UnknownHostException e) {
        e.printStackTrace();
    }
    Assert.assertEquals(time + "." + host + ".3.1.txt", name);
}

Example 20 with UnknownHostException

use of java.net.UnknownHostException in project hive by apache.

the class ThriftCLIService method init.

@Override
public synchronized void init(HiveConf hiveConf) {
    this.hiveConf = hiveConf;
    String hiveHost = System.getenv("HIVE_SERVER2_THRIFT_BIND_HOST");
    if (hiveHost == null) {
        hiveHost = hiveConf.getVar(ConfVars.HIVE_SERVER2_THRIFT_BIND_HOST);
    }
    try {
        serverIPAddress = ServerUtils.getHostAddress(hiveHost);
    } catch (UnknownHostException e) {
        throw new ServiceException(e);
    }
    // Initialize common server configs needed in both binary & http modes
    String portString;
    // HTTP mode
    if (HiveServer2.isHTTPTransportMode(hiveConf)) {
        workerKeepAliveTime = hiveConf.getTimeVar(ConfVars.HIVE_SERVER2_THRIFT_HTTP_WORKER_KEEPALIVE_TIME, TimeUnit.SECONDS);
        portString = System.getenv("HIVE_SERVER2_THRIFT_HTTP_PORT");
        if (portString != null) {
            portNum = Integer.parseInt(portString);
        } else {
            portNum = hiveConf.getIntVar(ConfVars.HIVE_SERVER2_THRIFT_HTTP_PORT);
        }
    } else // Binary mode
    {
        workerKeepAliveTime = hiveConf.getTimeVar(ConfVars.HIVE_SERVER2_THRIFT_WORKER_KEEPALIVE_TIME, TimeUnit.SECONDS);
        portString = System.getenv("HIVE_SERVER2_THRIFT_PORT");
        if (portString != null) {
            portNum = Integer.parseInt(portString);
        } else {
            portNum = hiveConf.getIntVar(ConfVars.HIVE_SERVER2_THRIFT_PORT);
        }
    }
    minWorkerThreads = hiveConf.getIntVar(ConfVars.HIVE_SERVER2_THRIFT_MIN_WORKER_THREADS);
    maxWorkerThreads = hiveConf.getIntVar(ConfVars.HIVE_SERVER2_THRIFT_MAX_WORKER_THREADS);
    super.init(hiveConf);
}