/** * Establishes a connection to a registry. * * @param queryUrl the URL of the query registry * @param publishUrl the URL of the publish registry */ public void makeConnection(String queryUrl, String publishUrl) { Context context = null; ConnectionFactory factory = null; /* * Define connection configuration properties. * To publish, you need both the query URL and the * publish URL. */ Properties props = new Properties(); props.setProperty("javax.xml.registry.queryManagerURL", queryUrl); props.setProperty("javax.xml.registry.lifeCycleManagerURL", publishUrl); try { // Create the connection, passing it the // configuration properties context = new InitialContext(); factory = (ConnectionFactory) context.lookup("java:comp/env/eis/JAXR"); factory.setProperties(props); connection = factory.createConnection(); System.out.println("Created connection to registry"); } catch (Exception e) { e.printStackTrace(); if (connection != null) { try { connection.close(); } catch (JAXRException je) { } } } }
public HBaseUtils( String quorum, boolean useKerberos, String keyTabUsername, String kerberosEnv, String keyTabFileLocation, int regions) throws IOException { this.regions = regions; conf.set("hbase.zookeeper.quorum", quorum); if (useKerberos) { conf.set("hadoop.security.authentication", "Kerberos"); conf.set("hbase.security.authentication", "Kerberos"); conf.set("hbase.master.kerberos.principal", "hbase/_HOST@" + kerberosEnv + ".YOURDOMAIN.COM"); conf.set( "hbase.regionserver.kerberos.principal", "hbase/_HOST@" + kerberosEnv + ".YOURDOMAIN.COM"); conf.set("hbase.client.keyvalue.maxsize", "-1"); UserGroupInformation.setConfiguration(conf); try { UserGroupInformation.loginUserFromKeytab( keyTabUsername + "@" + kerberosEnv + ".YOURDOMAIN.COM", keyTabFileLocation); valid = true; } catch (IOException e) { e.printStackTrace(); valid = false; } kerberosRefresher.scheduleAtFixedRate( () -> { try { UserGroupInformation ugi = UserGroupInformation.getLoginUser(); if (ugi == null) { Logger.error("KERBEROS GOT LOGGED OUT"); UserGroupInformation.loginUserFromKeytab( keyTabUsername + "@" + kerberosEnv + ".YOURDOMAIN.COM", keyTabFileLocation); } else { ugi.checkTGTAndReloginFromKeytab(); } } catch (IOException e) { e.printStackTrace(); } }, KERBEROS_EXPIRATION_HOURS, KERBEROS_EXPIRATION_HOURS, TimeUnit.HOURS); } else { valid = true; conf.set(HConstants.ZOOKEEPER_ZNODE_PARENT, "/hbase-unsecure"); } connection = ConnectionFactory.createConnection(conf); }
public static List<KeyValue> getAllTrainInfo(Configuration config, String date) { List<KeyValue> result = new ArrayList<>(); String strJson = null; BufferedWriter writer = null; Table table = null; try (Connection connect = ConnectionFactory.createConnection(config); Admin admin = connect.getAdmin()) { TableName tablename = TableName.valueOf(TABLE_NAME); if (!admin.tableExists(tablename)) { System.out.println("Table does not exist."); return null; } table = connect.getTable(tablename); Put put = null; String start = null; String end = null; writer = new BufferedWriter(new FileWriter(new File(strConfig), true)); for (KeyValue item : lstAllProcessStation) { start = (String) item.getKey(); end = (String) item.getValue(); try { try { Thread.sleep(200); } catch (InterruptedException e1) { e1.printStackTrace(); } System.out.println("process : " + start + ":" + end); strJson = getFromAPIX(mapStationCode.get(start), mapStationCode.get(end), date); writer.write(start + ":" + end); writer.newLine(); } catch (Exception e) { System.out.println(start + ":" + end + "error"); e.printStackTrace(); break; } JSONObject jo = new JSONObject(strJson); if (jo.has("httpstatus") && (jo.getInt("httpstatus") == 200)) { JSONObject joData = jo.getJSONObject("data"); if (joData.has("flag") && joData.getBoolean("flag")) { result.add(new DefaultKeyValue(start, end)); // 插入到hbase String rowkey = start + ":" + end; put = new Put(rowkey.getBytes()); put.addColumn( CF_JSON.getBytes(), "json".getBytes(), joData.toString().getBytes("utf-8")); table.put(put); System.out.println("start " + start + "\t end " + end + "\t has ticket"); } } } } catch (IOException e) { e.printStackTrace(); } finally { if (writer != null) { try { writer.flush(); writer.close(); } catch (IOException e) { e.printStackTrace(); } } if (table != null) { try { table.close(); } catch (IOException e) { e.printStackTrace(); } } } return result; }