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我们试图从本质上将数据库连接到用Java构建的大厅/员工管理程序。这是一个多模块项目，我们的数据库团队决定使用SQL Server作为管理基础。SQL Server数据库连接错误
不幸的是，这证明有问题导致大量的错误，我们完全不知道如何解决。在搜索Stack之后，出现了类似的问题，但是这些问题或者没有解决，并且通过从SQL Server中移出，而我们无法做到，只是自己开始工作或者“开始工作”。
毫不犹豫，这是问题本身。该程序正确运行所有数据，因为它是在'testmode'中调试的，其中值不经外部数据库直接输入到代码中。试图将两者结合在一起时出现了真正的问题。
首先，localhost的连接端口证明有问题。使用端口1433，我们甚至没有建立连接，甚至解锁端口也没有任何改变。在移至1434后，我们设法建立了各种连接。
下面是关于1433端口错误块，如果有必要：
The TCP/IP connection to the host localhost, port 1433 has failed. Error: "Connection refused: connect. Verify the connection properties. Make sure that an instance of SQL Server is running on the host and accepting TCP/IP connections at the port. Make sure that TCP connections to the port are not blocked by a firewall.".
at com.microsoft.sqlserver.jdbc.SQLServerException.makeFromDriverError(SQLServerException.java:190)
at com.microsoft.sqlserver.jdbc.SQLServerException.ConvertConnectExceptionToSQLServerException(SQLServerException.java:241)
at com.microsoft.sqlserver.jdbc.SocketFinder.findSocket(IOBuffer.java:2243)
at com.microsoft.sqlserver.jdbc.TDSChannel.open(IOBuffer.java:491)
at com.microsoft.sqlserver.jdbc.SQLServerConnection.connectHelper(SQLServerConnection.java:1309)
at com.microsoft.sqlserver.jdbc.SQLServerConnection.login(SQLServerConnection.java:991)
at com.microsoft.sqlserver.jdbc.SQLServerConnection.connect(SQLServerConnection.java:827)
at com.microsoft.sqlserver.jdbc.SQLServerDriver.connect(SQLServerDriver.java:1012)
at java.sql.DriverManager.getConnection(Unknown Source)
at java.sql.DriverManager.getConnection(Unknown Source)
at com.j256.ormlite.jdbc.JdbcConnectionSource.makeConnection(JdbcConnectionSource.java:252)
at com.j256.ormlite.jdbc.JdbcConnectionSource.getReadWriteConnection(JdbcConnectionSource.java:184)
at com.j256.ormlite.jdbc.JdbcConnectionSource.getReadOnlyConnection(JdbcConnectionSource.java:170)
at com.j256.ormlite.stmt.StatementExecutor.buildIterator(StatementExecutor.java:243)
at com.j256.ormlite.stmt.StatementExecutor.query(StatementExecutor.java:197)
at com.j256.ormlite.stmt.StatementExecutor.queryForAll(StatementExecutor.java:118)
at com.j256.ormlite.dao.BaseDaoImpl.queryForAll(BaseDaoImpl.java:239)
at controler.AdminRoomControler.getListRoomEquipmentData(AdminRoomControler.java:51)
at gui.panel.ReservationRoomPanel.reloadData(ReservationRoomPanel.java:57)
at gui.panel.ReservationRoomPanel.initialize(ReservationRoomPanel.java:82)
at gui.panel.ReservationRoomPanel.<init>(ReservationRoomPanel.java:40)
at gui.frame.ApplicationFrame.initialize(ApplicationFrame.java:58)
at gui.frame.ApplicationFrame.<init>(ApplicationFrame.java:37)
at main.Program$1.run(Program.java:22)
at java.awt.event.InvocationEvent.dispatch(Unknown Source)
at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
at java.awt.EventQueue.access$200(Unknown Source)
at java.awt.EventQueue$3.run(Unknown Source)
at java.awt.EventQueue$3.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
at java.awt.EventQueue.dispatchEvent(Unknown Source)
at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.run(Unknown Source)
在改变端口1434，我们用另一个问题打招呼。出于某种原因，SQL Server响应我们的连接，并发出Prelogin Handshake问题，我们完全不知道如何解决。这些错误如下：
sty 11, 2014 5:32:02 PM com.microsoft.sqlserver.jdbc.SQLServerConnection Prelogin
WARNING: ConnectionID:1 ClientConnectionId: 0a8f83b1-ce25-48c1-8796-c2c5c7d080b7 Prelogin error: host localhost port 1434 Error reading prelogin response: Software caused connection abort: recv failed ClientConnectionId:0a8f83b1-ce25-48c1-8796-c2c5c7d080b7
sty 11, 2014 5:32:02 PM com.microsoft.sqlserver.jdbc.SQLServerConnection Prelogin
WARNING: ConnectionID:1 ClientConnectionId: 982a07f7-0cbd-417f-8bcb-47eebe6b4524 Prelogin error: host localhost port 1434 Error reading prelogin response: Connection reset ClientConnectionId:982a07f7-0cbd-417f-8bcb-47eebe6b4524
sty 11, 2014 5:32:02 PM com.microsoft.sqlserver.jdbc.SQLServerConnection Prelogin
WARNING: ConnectionID:1 ClientConnectionId: 9c136851-d172-4b98-8722-16941642d14a Prelogin error: host localhost port 1434 Error reading prelogin response: Connection reset ClientConnectionId:9c136851-d172-4b98-8722-16941642d14a
sty 11, 2014 5:32:03 PM com.microsoft.sqlserver.jdbc.SQLServerConnection Prelogin
WARNING: ConnectionID:1 ClientConnectionId: bc3db9f2-6d56-43bd-9145-051dc418d8b9 Prelogin error: host localhost port 1434 Error reading prelogin response: Connection reset ClientConnectionId:bc3db9f2-6d56-43bd-9145-051dc418d8b9
sty 11, 2014 5:32:04 PM com.microsoft.sqlserver.jdbc.SQLServerConnection Prelogin
WARNING: ConnectionID:1 ClientConnectionId: 93c0fd9c-925d-40d9-af4e-35be3f3ec0d4 Prelogin error: host localhost port 1434 Error reading prelogin response: Connection reset ClientConnectionId:93c0fd9c-925d-40d9-af4e-35be3f3ec0d4
sty 11, 2014 5:32:05 PM com.microsoft.sqlserver.jdbc.SQLServerConnection Prelogin
WARNING: ConnectionID:1 ClientConnectionId: cb32d339-0c63-4549-8821-61b2818c9548 Prelogin error: host localhost port 1434 Error reading prelogin response: Connection reset ClientConnectionId:cb32d339-0c63-4549-8821-61b2818c9548
sty 11, 2014 5:32:06 PM com.microsoft.sqlserver.jdbc.SQLServerConnection Prelogin
WARNING: ConnectionID:1 ClientConnectionId: 5c63f908-8019-48ac-9b4e-0b9a4c29e6e6 Prelogin error: host localhost port 1434 Error reading prelogin response: Connection reset ClientConnectionId:5c63f908-8019-48ac-9b4e-0b9a4c29e6e6
sty 11, 2014 5:32:07 PM com.microsoft.sqlserver.jdbc.SQLServerConnection Prelogin
WARNING: ConnectionID:1 ClientConnectionId: ce8945a8-1fe7-40b8-a7c9-331f263be084 Prelogin error: host localhost port 1434 Error reading prelogin response: Connection reset ClientConnectionId:ce8945a8-1fe7-40b8-a7c9-331f263be084
sty 11, 2014 5:32:08 PM com.microsoft.sqlserver.jdbc.SQLServerConnection Prelogin
WARNING: ConnectionID:1 ClientConnectionId: a0ed799f-471e-4496-8fb5-6f2599faa45f Prelogin error: host localhost port 1434 Error reading prelogin response: Connection reset ClientConnectionId:a0ed799f-471e-4496-8fb5-6f2599faa45f
sty 11, 2014 5:32:09 PM com.microsoft.sqlserver.jdbc.SQLServerConnection Prelogin
WARNING: ConnectionID:1 ClientConnectionId: f35803a2-7e46-4163-a9db-08977c78fd63 Prelogin error: host localhost port 1434 Error reading prelogin response: Connection reset ClientConnectionId:f35803a2-7e46-4163-a9db-08977c78fd63
sty 11, 2014 5:32:10 PM com.microsoft.sqlserver.jdbc.SQLServerConnection Prelogin
WARNING: ConnectionID:1 ClientConnectionId: 182e2bf0-9ad6-40e6-b767-ab6bf7173929 Prelogin error: host localhost port 1434 Error reading prelogin response: Connection reset ClientConnectionId:182e2bf0-9ad6-40e6-b767-ab6bf7173929
sty 11, 2014 5:32:11 PM com.microsoft.sqlserver.jdbc.SQLServerConnection Prelogin
WARNING: ConnectionID:1 ClientConnectionId: 7d71a9ec-c22b-4247-8bd2-540e75470e80 Prelogin error: host localhost port 1434 Error reading prelogin response: Connection reset ClientConnectionId:7d71a9ec-c22b-4247-8bd2-540e75470e80
sty 11, 2014 5:32:12 PM com.microsoft.sqlserver.jdbc.SQLServerConnection Prelogin
WARNING: ConnectionID:1 ClientConnectionId: 9a739139-241f-47c4-bfe8-bb3a1cbe3c18 Prelogin error: host localhost port 1434 Error reading prelogin response: Connection reset ClientConnectionId:9a739139-241f-47c4-bfe8-bb3a1cbe3c18
sty 11, 2014 5:32:13 PM com.microsoft.sqlserver.jdbc.SQLServerConnection Prelogin
WARNING: ConnectionID:1 ClientConnectionId: d53915f6-5419-4bd0-883f-5c25a12d5678 Prelogin error: host localhost port 1434 Error reading prelogin response: Connection reset ClientConnectionId:d53915f6-5419-4bd0-883f-5c25a12d5678
sty 11, 2014 5:32:14 PM com.microsoft.sqlserver.jdbc.SQLServerConnection Prelogin
WARNING: ConnectionID:1 ClientConnectionId: 8eaec619-d01a-4138-bb06-44cdc8a08fe9 Prelogin error: host localhost port 1434 Error reading prelogin response: Connection reset ClientConnectionId:8eaec619-d01a-4138-bb06-44cdc8a08fe9
sty 11, 2014 5:32:15 PM com.microsoft.sqlserver.jdbc.SQLServerConnection Prelogin
WARNING: ConnectionID:1 ClientConnectionId: 4c176172-9ff5-479a-b39a-40e026da9e16 Prelogin error: host localhost port 1434 Error reading prelogin response: Connection reset ClientConnectionId:4c176172-9ff5-479a-b39a-40e026da9e16
sty 11, 2014 5:32:16 PM com.microsoft.sqlserver.jdbc.SQLServerConnection Prelogin
WARNING: ConnectionID:1 ClientConnectionId: 6b9ab775-5845-4b11-ad25-9cef7b56f041 Prelogin error: host localhost port 1434 Error reading prelogin response: Connection reset ClientConnectionId:6b9ab775-5845-4b11-ad25-9cef7b56f041
sty 11, 2014 5:32:17 PM com.microsoft.sqlserver.jdbc.SQLServerConnection Prelogin
WARNING: ConnectionID:1 ClientConnectionId: 04ef0517-4410-4d63-947c-d349ed4684ad Prelogin error: host localhost port 1434 Error reading prelogin response: Connection reset ClientConnectionId:04ef0517-4410-4d63-947c-d349ed4684ad
com.microsoft.sqlserver.jdbc.SQLServerException: Connection reset ClientConnectionId:04ef0517-4410-4d63-947c-d349ed4684ad
at com.microsoft.sqlserver.jdbc.SQLServerConnection.terminate(SQLServerConnection.java:1667)
at com.microsoft.sqlserver.jdbc.SQLServerConnection.terminate(SQLServerConnection.java:1654)
at com.microsoft.sqlserver.jdbc.TDSChannel.read(IOBuffer.java:1789)
at com.microsoft.sqlserver.jdbc.SQLServerConnection.Prelogin(SQLServerConnection.java:1424)
at com.microsoft.sqlserver.jdbc.SQLServerConnection.connectHelper(SQLServerConnection.java:1319)
at com.microsoft.sqlserver.jdbc.SQLServerConnection.login(SQLServerConnection.java:991)
at com.microsoft.sqlserver.jdbc.SQLServerConnection.connect(SQLServerConnection.java:827)
at com.microsoft.sqlserver.jdbc.SQLServerDriver.connect(SQLServerDriver.java:1012)
at java.sql.DriverManager.getConnection(Unknown Source)
at java.sql.DriverManager.getConnection(Unknown Source)
at com.j256.ormlite.jdbc.JdbcConnectionSource.makeConnection(JdbcConnectionSource.java:252)
at com.j256.ormlite.jdbc.JdbcConnectionSource.getReadWriteConnection(JdbcConnectionSource.java:184)
at com.j256.ormlite.jdbc.JdbcConnectionSource.getReadOnlyConnection(JdbcConnectionSource.java:170)
at com.j256.ormlite.stmt.StatementExecutor.buildIterator(StatementExecutor.java:243)
at com.j256.ormlite.stmt.StatementExecutor.query(StatementExecutor.java:197)
at com.j256.ormlite.stmt.StatementExecutor.queryForAll(StatementExecutor.java:118)
at com.j256.ormlite.dao.BaseDaoImpl.queryForAll(BaseDaoImpl.java:239)
at controler.AdminRoomControler.getListRoomEquipmentData(AdminRoomControler.java:51)
at gui.panel.ReservationRoomPanel.reloadData(ReservationRoomPanel.java:57)
at gui.panel.ReservationRoomPanel.initialize(ReservationRoomPanel.java:82)
at gui.panel.ReservationRoomPanel.<init>(ReservationRoomPanel.java:40)
at gui.frame.ApplicationFrame.initialize(ApplicationFrame.java:58)
at gui.frame.ApplicationFrame.<init>(ApplicationFrame.java:37)
at main.Program$1.run(Program.java:22)
at java.awt.event.InvocationEvent.dispatch(Unknown Source)
at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
at java.awt.EventQueue.access$200(Unknown Source)
at java.awt.EventQueue$3.run(Unknown Source)
at java.awt.EventQueue$3.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
at java.awt.EventQueue.dispatchEvent(Unknown Source)
at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.run(Unknown Source)
最后，我们所遇到的地方在文件和数据库中列名不匹配是一个排版问题。不幸的是，纠正这个问题导致了更多的错误出现。为了增加对伤害的侮辱，有时它甚至没有检测到不匹配错误，所以我们在这里完全处于损失状态。
这里是用来勾数据库保持我们的代码：
package database;
import java.sql.SQLException;
import POJO.Administrator;
import POJO.Equipment;
import POJO.Event;
import POJO.Guest;
import POJO.Personnel;
import POJO.Room;
import com.j256.ormlite.dao.Dao;
import com.j256.ormlite.dao.DaoManager;
import com.j256.ormlite.jdbc.JdbcConnectionSource;
import com.j256.ormlite.support.ConnectionSource;
public class DbManager {
// Proper db address should be placed here.
private final String DATABASE_URL = "jdbc:sqlserver://localhost:1434;databaseName=IO;integratedSecurity=true;";
private ConnectionSource connectionSource;
public Dao<Administrator,Integer> administratorDao;
public Dao<Equipment,Integer> equipmentDao;
public Dao<Event,Integer> eventDao;
public Dao<Guest,Integer> guestDao;
public Dao<Personnel,Integer> personnelDao;
public Dao<Room,Integer> roomDao;
public DbManager() throws SQLException
{
connectionSource = new JdbcConnectionSource(DATABASE_URL);
administratorDao = DaoManager.createDao(connectionSource, Administrator.class);
equipmentDao = DaoManager.createDao(connectionSource, Equipment.class);
eventDao = DaoManager.createDao(connectionSource, Event.class);
guestDao = DaoManager.createDao(connectionSource, Guest.class);
personnelDao = DaoManager.createDao(connectionSource, Personnel.class);
roomDao = DaoManager.createDao(connectionSource, Room.class);
}
@Override
protected void finalize() throws Throwable
{
connectionSource.close();
super.finalize();
}
}
我们是完全脱离的想法，真的，任何不关注或者完全从SQL Server数据库改写别的东西将是援助。先谢谢你！
请告诉我们您正在尝试使用的实际Microsoft SQL Server版本（2012,2008,2005，...）和版本（Express Edition，Standard Edition，...）。 –
当然！我们使用带有Service Pack 1的Microsoft SQL Server 2012开发人员。 – Dennet
要验证SQL Server正在侦听的端口，请参阅[此处]的说明（http://stackoverflow.com/a/12297597/2144390）。本文档可能也有帮助：[如何配置SQL Server以侦听特定端口]（http://support.microsoft.com/kb/823938）。 –