如每周总结所说，HBase无法解析的问题是本机的主机名未采用纯英文导致。改用英文后解决。
HBase连接工具类
1 package konoha.util; 2 3 import java.io.IOException; 4 5 import org.apache.hadoop.conf.Configuration; 6 import org.apache.hadoop.hbase.HBaseConfiguration; 7 import org.apache.hadoop.hbase.HColumnDescriptor; 8 import org.apache.hadoop.hbase.HTableDescriptor; 9 import org.apache.hadoop.hbase.TableName; 10 import org.apache.hadoop.hbase.client.Admin; 11 import org.apache.hadoop.hbase.client.Connection; 12 import org.apache.hadoop.hbase.client.ConnectionFactory; 13 import org.apache.hadoop.hbase.client.Delete; 14 import org.apache.hadoop.hbase.client.Get; 15 import org.apache.hadoop.hbase.client.Put; 16 import org.apache.hadoop.hbase.client.Result; 17 import org.apache.hadoop.hbase.client.ResultScanner; 18 import org.apache.hadoop.hbase.client.Scan; 19 import org.apache.hadoop.hbase.client.Table; 20 import org.apache.hadoop.hbase.util.Bytes; 21 22 public class HBaseTestUtil { 23 public static Configuration configuration; 24 public static Connection connection; 25 public static Admin admin; 26 27 public static void init() { 28 configuration = HBaseConfiguration.create(); 29 configuration.set("hbase.zookeeper.quorum", "localhost"); 30 configuration.set("hbase.zookeeper.property.clientPort", "2181"); 31 try { 32 connection = ConnectionFactory.createConnection(configuration); 33 admin = connection.getAdmin(); 34 } catch (IOException e) { 35 e.printStackTrace(); 36 } 37 } 38 39 public static void close() { 40 try { 41 if (admin != null) { 42 admin.close(); 43 } 44 if (null != connection) { 45 connection.close(); 46 } 47 } catch (IOException e) { 48 e.printStackTrace(); 49 } 50 } 51 52 public static void getDataTest() throws Exception { 53 init(); 54 Table table = connection.getTable(TableName.valueOf("Student")); 55 Get get = new Get(Bytes.toBytes("scofield")); 56 get.addColumn(Bytes.toBytes("English"), Bytes.toBytes("")); 57 Result result = table.get(get); 58 System.out.println(new String(result.getValue("English".getBytes(), null))); 59 table.close(); 60 } 61 62 public static void createTable(String myTableName, String[] colFamily) throws IOException { 63 init(); 64 TableName tableName = TableName.valueOf(myTableName); 65 if (admin.tableExists(tableName)) { 66 System.out.println("talbe is exists!"); 67 admin.disableTable(tableName); 68 admin.deleteTable(tableName); 69 } 70 HTableDescriptor hTableDescriptor = new HTableDescriptor(tableName); 71 for (String str : colFamily) { 72 HColumnDescriptor hColumnDescriptor = new HColumnDescriptor(str); 73 hTableDescriptor.addFamily(hColumnDescriptor); 74 admin.createTable(hTableDescriptor); 75 System.out.println("create table success"); 76 } 77 close(); 78 } 79 80 public static void addRecord(String tableName, String row, String[] fields, String[] values) throws IOException { 81 init(); 82 Table table = connection.getTable(TableName.valueOf(tableName)); 83 for (int i = 0; i < fields.length; i++) { 84 Put put = new Put(row.getBytes()); 85 String[] cols = fields[i].split(":"); 86 put.addColumn(cols[0].getBytes(), cols[1].getBytes(), values[i].getBytes()); 87 table.put(put); 88 } 89 table.close(); 90 close(); 91 } 92 93 public static void scanColumn(String tableName, String column) throws IOException { 94 init(); 95 Table table = connection.getTable(TableName.valueOf(tableName)); 96 Scan scan = new Scan(); 97 scan.addFamily(Bytes.toBytes(column)); 98 ResultScanner scanner = table.getScanner(scan); 99 for (Result result = scanner.next(); result != null; result = scanner.next()) { 100 System.out.println(result); 101 } 102 table.close(); 103 close(); 104 } 105 106 public static void modiyData(String tableName, String row, String column, String val) throws IOException { 107 init(); 108 Table table = connection.getTable(TableName.valueOf(tableName)); 109 Put put = new Put(row.getBytes()); 110 String[] cols = column.split(":"); 111 put.addColumn(cols[0].getBytes(), cols[1].getBytes(), val.getBytes()); 112 table.put(put); 113 table.close(); 114 close(); 115 } 116 117 public static void deleteRow(String tableName, String row) throws IOException { 118 init(); 119 Table table = connection.getTable(TableName.valueOf(tableName)); 120 Delete delete = new Delete(row.getBytes()); 121 table.delete(delete); 122 table.close(); 123 close(); 124 } 125 126 public static void getData(String tableName, String rowKey, String colFamily, String col) throws IOException { 127 Table table = connection.getTable(TableName.valueOf(tableName)); 128 Get get = new Get(Bytes.toBytes(rowKey)); 129 get.addColumn(Bytes.toBytes(colFamily), Bytes.toBytes(col)); 130 Result result = table.get(get); 131 System.out.println(new String(result.getValue(colFamily.getBytes(), col == null ? null : col.getBytes()))); 132 table.close(); 133 } 134 135 public static void insertData(String tableName, String rowKey, String colFamily, String col, String val) 136 throws IOException { 137 Table table = connection.getTable(TableName.valueOf(tableName)); 138 Put put = new Put(Bytes.toBytes(rowKey)); 139 put.addColumn(Bytes.toBytes(colFamily), Bytes.toBytes(col), Bytes.toBytes(val)); 140 table.put(put); 141 table.close(); 142 } 143 144 public static void main(String[] args) { 145 try { 146 scanColumn("Student", "S_Name"); 147 } catch (Exception e) { 148 // TODO Auto-generated catch block 149 e.printStackTrace(); 150 } 151 } 152 }
修改后的录入处理JSP
<%@ page language="java" contentType="text/html; charset=utf-8" pageEncoding="utf-8"%> <%@page import="java.sql.*" %> <%@page import="java.io.PrintWriter" %> <%@page import="java.io.IOException" %> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <title>提交中....</title> </head> <body> <jsp:useBean id="db" class="bean.DBean" scope="page" /> <%@ page import = "Serial.SerialID"%> <% request.setCharacterEncoding("UTF-8"); SerialID serial=new SerialID(); String demandID=""; demandID=serial.get(demandID); //System.out.println(demandID); String unitID=""; String unitName=""; String unitDepartment=""; String unitAddress=""; String unitCity=""; String unitURL=""; String unitEmail=""; String unitLPeople=""; String unitZipCode=""; String unitCPeople=""; String unitPhone=""; String unitMPhone=""; String unitFax=""; String unitAttribute=""; String unitIntroduce=""; String userID=(String)session.getAttribute("LoginID"); String sql="select * from unit where userID="+"'"+userID+"'"; ResultSet rss=db.executeQuery(sql); while(rss.next()) { unitID=rss.getString("unitID"); unitName=rss.getString("unitName"); unitDepartment=rss.getString("unitDepartment"); unitAddress=rss.getString("unitAddress"); unitCity=rss.getString("unitCity"); unitURL=rss.getString("unitURL"); unitEmail=rss.getString("unitEmail"); unitLPeople=rss.getString("unitLPeople"); unitZipCode=rss.getString("unitZipCode"); unitCPeople=rss.getString("unitCPeople"); unitPhone=rss.getString("unitPhone"); unitMPhone=rss.getString("unitMPhone"); unitFax=rss.getString("unitFax"); unitAttribute=rss.getString("unitAttribute"); unitIntroduce=rss.getString("unitIntroduce"); } String demandName=(String)request.getParameter("demandName"); String demandStart=(String)request.getParameter("demandStart"); String demandEnd=(String)request.getParameter("demandEnd"); String demandMain=(String)request.getParameter("demandMain"); String demandKey=(String)request.getParameter("demandKey"); String demandTarget=(String)request.getParameter("demandTarget"); String demandKeyWord1=(String)request.getParameter("demandKeyWord1"); String demandKeyWord2=(String)request.getParameter("demandKeyWord2"); String demandKeyWord3=(String)request.getParameter("demandKeyWord3"); String demandKeyWord4=(String)request.getParameter("demandKeyWord4"); String demandKeyWord5=(String)request.getParameter("demandKeyWord5"); String demandLoan=(String)request.getParameter("demandLoan"); String demandResearchMode=(String)request.getParameter("demandResearchMode"); String demandCooperationUnit=(String)request.getParameter("demandCooperationUnit"); String demandTechnology=(String)request.getParameter("demandTechnology"); String demandClass3=(String)request.getParameter("Classification3"); String demandDomain=(request.getParameter("Filed1")+request.getParameter("Filed2")+ request.getParameter("Filed3")+request.getParameter("Filed4")+ request.getParameter("Filed5")+request.getParameter("Filed6") +request.getParameter("Filed7")+request.getParameter("Filed8") +request.getParameter("Filed9")+request.getParameter("Filed10") +request.getParameter("Filed11")+request.getParameter("Filed12")).replaceAll("null",""); String demandEconomicClass3=(String)request.getParameter("Industry3"); String submitType=(String)request.getParameter("submitType"); String s ="Select * From Requirement"; ResultSet rs = db.executeQuery(s); String demandKeyWord = demandKeyWord1; if(!demandKeyWord2.equals("")){ demandKeyWord = demandKeyWord+" "+demandKeyWord2; } if(!demandKeyWord3.equals("")){ demandKeyWord = demandKeyWord+" "+demandKeyWord3; } if(!demandKeyWord4.equals("")){ demandKeyWord = demandKeyWord+" "+demandKeyWord4; } if(!demandKeyWord5.equals("")){ demandKeyWord = demandKeyWord+" "+demandKeyWord5; } System.out.println("[INFO]Intalizing..."); HBaseTestUtil.init(); try { System.out.println("[INFO]Start INSERT into table@HBase"); HBaseTestUtil.insertData("Requirement", demandID, "demandInfo", "unitID", unitID); HBaseTestUtil.insertData("Requirement", demandID, "demandInfo", "unitName", unitName); HBaseTestUtil.insertData("Requirement", demandID, "demandInfo", "unitDepartment", unitDepartment); HBaseTestUtil.insertData("Requirement", demandID, "demandInfo", "unitAddress", unitAddress); HBaseTestUtil.insertData("Requirement", demandID, "demandInfo", "unitCity", unitCity); HBaseTestUtil.insertData("Requirement", demandID, "demandInfo", "unitURL", unitURL); HBaseTestUtil.insertData("Requirement", demandID, "demandInfo", "unitMail", unitEmail); HBaseTestUtil.insertData("Requirement", demandID, "demandInfo", "unitLPeople", unitLPeople); HBaseTestUtil.insertData("Requirement", demandID, "demandInfo", "unitZipCode", unitZipCode); HBaseTestUtil.insertData("Requirement", demandID, "demandInfo", "unitCPeople", unitCPeople); HBaseTestUtil.insertData("Requirement", demandID, "demandInfo", "unitPhone", unitPhone); HBaseTestUtil.insertData("Requirement", demandID, "demandInfo", "unitMPhone", unitMPhone); HBaseTestUtil.insertData("Requirement", demandID, "demandInfo", "unitFax", unitFax); HBaseTestUtil.insertData("Requirement", demandID, "demandInfo", "unitAttribute", unitAttribute); HBaseTestUtil.insertData("Requirement", demandID, "demandInfo", "unitIntroduce", unitIntroduce); HBaseTestUtil.insertData("Requirement", demandID, "demandInfo", "demandName", demandName); HBaseTestUtil.insertData("Requirement", demandID, "demandInfo", "demandStart", demandStart); HBaseTestUtil.insertData("Requirement", demandID, "demandInfo", "demandEnd", demandEnd); HBaseTestUtil.insertData("Requirement", demandID, "demandInfo", "demandMain", demandMain); HBaseTestUtil.insertData("Requirement", demandID, "demandInfo", "demandKey", demandKey); HBaseTestUtil.insertData("Requirement", demandID, "demandInfo", "demandTarget", demandTarget); HBaseTestUtil.insertData("Requirement", demandID, "demandInfo", "demandName", demandName); HBaseTestUtil.insertData("Requirement", demandID, "demandInfo", "demandKeyWord1", demandKeyWord1); HBaseTestUtil.insertData("Requirement", demandID, "demandInfo", "demandKeyWord2", demandKeyWord2); HBaseTestUtil.insertData("Requirement", demandID, "demandInfo", "demandKeyWord3", demandKeyWord3); HBaseTestUtil.insertData("Requirement", demandID, "demandInfo", "demandKeyWord4", demandKeyWord4); HBaseTestUtil.insertData("Requirement", demandID, "demandInfo", "demandKeyWord5", demandKeyWord5); HBaseTestUtil.insertData("Requirement", demandID, "demandInfo", "demandLoan", demandLoan); HBaseTestUtil.insertData("Requirement", demandID, "demandInfo", "demandResearchMode", demandResearchMode); HBaseTestUtil.insertData("Requirement", demandID, "demandInfo", "demandCooperationUnit", demandCooperationUnit); HBaseTestUtil.insertData("Requirement", demandID, "demandInfo", "demandTechnology", demandTechnology); HBaseTestUtil.insertData("Requirement", demandID, "demandInfo", "demandClass3", demandClass3); HBaseTestUtil.insertData("Requirement", demandID, "demandInfo", "demandDomain", demandDomain); HBaseTestUtil.insertData("Requirement", demandID, "demandInfo", "demandEconomicClass3", demandEconomicClass3); HBaseTestUtil.insertData("Requirement", demandID, "demandInfo", "unitstaffID1", ""); HBaseTestUtil.insertData("Requirement", demandID, "demandInfo", "unitstaffID2", ""); HBaseTestUtil.insertData("Requirement", demandID, "demandInfo", "demandState1", submitType); HBaseTestUtil.insertData("Requirement", demandID, "demandInfo", "demandState2", "未审核"); HBaseTestUtil.insertData("Requirement", demandID, "demandInfo", "Auditopinion", ""); HBaseTestUtil.insertData("Requirement", demandID, "demandInfo", "Auditdepartment", ""); System.out.println("[INFO]Insert into table@HBase Success"); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } HBaseTestUtil.close(); db.close(); System.out.println("[INFO]Process Done"); %> </body> </html>