Java - Hibernate 连接数据库
Java - Hibernate connection database
几周以来我一直在学习使用 java，我想在简单的 Java 控制台应用程序中使用 Hibernate。
我下载最新版本的 Hibernate ORM (4.3.8)
我将这个 Jars 添加到我的 Class路径中：
- com.mysql.jdbc_5.1.5.jar
- sqlite-jdbc-3.8.7.jar
- 休眠 Library\antlr-2.7.7.jar
- 休眠 Library\dom4j-1.6.1.jar
- 休眠 Library\hibernate-commons-annotations-4.0.5.Final.jar
- 休眠 Library\hibernate-core-4.3.8.Final.jar
- 休眠 Library\hibernate-jpa-2.1-api-1.0.0.Final.jar
- 休眠 Library\jandex-1.1.0.Final.jar
- 休眠 Library\javassist-3.18.1-GA.jar
- 休眠 Library\jboss-logging-3.1.3.GA.jar
- 休眠 Library\jboss-logging-annotations-1.2.0.Beta1.jar
- 休眠 Library\jboss-transaction-api_1.2_spec-1.0.0.Final.jar
我的Class:
import javax.persistence.Entity;
import javax.persistence.Id;
import javax.persistence.Table;
@Entity
@Table(name = "STUDENT_INFORMATIONS")
public class Student_Info {
@Id
private int rollNo;
private String name;
public int getRollNo() {
return rollNo;
}
public void setRollNo(int rollNo) {
this.rollNo = rollNo;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
}
我的主要代码：
Student_Info student = new Student_Info();
student.setName("Fabien");
student.setRollNo(1);
SessionFactory sessionFactory;
ServiceRegistry serviceRegistry;
Configuration configuration = new Configuration();
configuration.configure();
serviceRegistry = new StandardServiceRegistryBuilder().applySettings(
configuration.getProperties()).build();
sessionFactory = configuration.buildSessionFactory(serviceRegistry);
Session session = sessionFactory.openSession();
session.beginTransaction();
session.save(student);
session.getTransaction().commit();
session.close();
sessionFactory.close();
SQLite
首先我为 SQLite 创建一个 hibernate.cfg.xml 配置，方言 属性 到 "util.SQLiteDialect"
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE hibernate-configuration PUBLIC "-//Hibernate/Hibernate Configuration DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd">
<hibernate-configuration>
<session-factory>
<property name="show_sql">true</property>
<property name="format_sql">true</property>
<property name="dialect">util.SQLiteDialect</property>
<property name="connection.driver_class">org.sqlite.JDBC</property>
<property name="connection.url">jdbc:sqlite:SQLiteJDBC.sqlite</property>
<property name="connection.username"></property>
<property name="connection.password"></property>
<!-- create / update -->
<property name="hibernate.hbm2ddl.auto">create</property>
<!-- Liste des classes à Mapper en base de données -->
<!-- <mapping resource="User.hbm.xml"/> -->
<mapping class="com.hibernate.Student_Info"/>
</session-factory>
</hibernate-configuration>
当我 运行 我的主程序时出现此错误 :
...
INFO: HHH000006: Autocommit mode: false
janv. 10, 2015 4:23:40 PM org.hibernate.engine.jdbc.connections.internal.DriverM
anagerConnectionProviderImpl configure
INFO: HHH000115: Hibernate connection pool size: 20 (min=1)
Exception in thread "main" org.hibernate.boot.registry.selector.spi.StrategySele
ctionException: Unable to resolve name [util.SQLiteDialect] as strategy [org.hib
ernate.dialect.Dialect]
at org.hibernate.boot.registry.selector.internal.StrategySelectorImpl.selectStr
ategyImplementor(StrategySelectorImpl.java:128)
at org.hibernate.boot.registry.selector.internal.StrategySelectorImpl.resolveDe
faultableStrategy(StrategySelectorImpl.java:155)
at org.hibernate.boot.registry.selector.internal.StrategySelectorImpl.resolveSt
rategy(StrategySelectorImpl.java:136)
at org.hibernate.engine.jdbc.dialect.internal.DialectFactoryImpl.constructDiale
ct(DialectFactoryImpl.java:78)
at org.hibernate.engine.jdbc.dialect.internal.DialectFactoryImpl.buildDialect(D
ialectFactoryImpl.java:68)
at org.hibernate.engine.jdbc.internal.JdbcServicesImpl.configure(JdbcServicesIm
pl.java:165)
at org.hibernate.boot.registry.internal.StandardServiceRegistryImpl.configureSe
rvice(StandardServiceRegistryImpl.java:111)
at org.hibernate.service.internal.AbstractServiceRegistryImpl.initializeService
(AbstractServiceRegistryImpl.java:234)
at org.hibernate.service.internal.AbstractServiceRegistryImpl.getService(Abstra
ctServiceRegistryImpl.java:206)
at org.hibernate.cfg.Configuration.buildTypeRegistrations(Configuration.java:18
87)
at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1845)
at com.hibernate.Main.main(Main.java:26)
MySql
在我尝试使用 mysql 数据库后
<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE hibernate-configuration SYSTEM
"http://www.hibernate.org/dtd/hibernate-configuration-3.0.dtd">
<hibernate-configuration>
<session-factory>
<!-- Database connection settings -->
<property name="hibernate.connection.driver_class">com.mysql.jdbc.Driver</property>
<property name="hibernate.connection.url">jdbc:mysql://localhost:3306/hierbnate</property>
<property name="hibernate.connection.username">root</property>
<property name="hibernate.connection.password"></property>
<!-- JDBC Connection pool -->
<property name="connection.pool_size">1</property>
<!-- SQL Dialect -->
<property name="hibernate.dialect">org.hibernate.dialect.MySQLDialect</property>
<!-- Disable the second-level cache -->
<property name="cache.provider_cass">org.hibernate.cache.NoCacheProvider</property>
<!-- Echo all executed SQL to stdout -->
<property name="show_sql">true</property>
<!-- create / update -->
<property name="hibernate.hbm2ddl.auto">create</property>
<!-- Liste des classes à Mapper en base de données -->
<!-- <mapping resource="User.hbm.xml"/> -->
<mapping class="com.hibernate.Student_Info"/>
</session-factory>
</hibernate-configuration>
当我 运行 我的主程序出现这个错误时：
...
janv. 10, 2015 4:41:43 PM org.hibernate.engine.jdbc.connections.internal.DriverM
anagerConnectionProviderImpl buildCreator
INFO: HHH000401: using driver [com.mysql.jdbc.Driver] at URL [jdbc:mysql://local
host:3306/hierbnate]
janv. 10, 2015 4:41:43 PM org.hibernate.engine.jdbc.connections.internal.DriverM
anagerConnectionProviderImpl buildCreator
INFO: HHH000046: Connection properties: {user=root, password=****}
janv. 10, 2015 4:41:43 PM org.hibernate.engine.jdbc.connections.internal.DriverM
anagerConnectionProviderImpl buildCreator
INFO: HHH000006: Autocommit mode: false
janv. 10, 2015 4:41:43 PM org.hibernate.engine.jdbc.connections.internal.DriverM
anagerConnectionProviderImpl configure
INFO: HHH000115: Hibernate connection pool size: 1 (min=1)
Exception in thread "main" org.hibernate.exception.SQLGrammarException: Error ca
lling Driver#connect
at org.hibernate.exception.internal.SQLStateConversionDelegate.convert(SQLState
ConversionDelegate.java:123)
at org.hibernate.engine.jdbc.connections.internal.BasicConnectionCreator.co
nvert(BasicConnectionCreator.java:118)
at org.hibernate.engine.jdbc.connections.internal.BasicConnectionCreator.conver
tSqlException(BasicConnectionCreator.java:140)
at org.hibernate.engine.jdbc.connections.internal.DriverConnectionCreator.makeC
onnection(DriverConnectionCreator.java:58)
at org.hibernate.engine.jdbc.connections.internal.BasicConnectionCreator.create
Connection(BasicConnectionCreator.java:75)
at org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProvid
erImpl.configure(DriverManagerConnectionProviderImpl.java:106)
at org.hibernate.boot.registry.internal.StandardServiceRegistryImpl.configureSe
rvice(StandardServiceRegistryImpl.java:111)
at org.hibernate.service.internal.AbstractServiceRegistryImpl.initializeService
(AbstractServiceRegistryImpl.java:234)
at org.hibernate.service.internal.AbstractServiceRegistryImpl.getService(Abstra
ctServiceRegistryImpl.java:206)
at org.hibernate.engine.jdbc.internal.JdbcServicesImpl.buildJdbcConnectionAcces
s(JdbcServicesImpl.java:260)
at org.hibernate.engine.jdbc.internal.JdbcServicesImpl.configure(JdbcServicesIm
pl.java:94)
at org.hibernate.boot.registry.internal.StandardServiceRegistryImpl.configureSe
rvice(StandardServiceRegistryImpl.java:111)
at org.hibernate.service.internal.AbstractServiceRegistryImpl.initializeService
(AbstractServiceRegistryImpl.java:234)
at org.hibernate.service.internal.AbstractServiceRegistryImpl.getService(Abstra
ctServiceRegistryImpl.java:206)
at org.hibernate.cfg.Configuration.buildTypeRegistrations(Configuration.java:18
87)
at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1845)
at com.hibernate.Main.main(Main.java:25)
Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Unknown da
tabase 'hierbnate'
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
at java.lang.reflect.Constructor.newInstance(Unknown Source)
at com.mysql.jdbc.Util.handleNewInstance(Util.java:406)
at com.mysql.jdbc.Util.getInstance(Util.java:381)
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1031)
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:957)
at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3376)
at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3308)
at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:894)
at com.mysql.jdbc.MysqlIO.secureAuth411(MysqlIO.java:3808)
at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1256)
at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2032)
at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:729)
at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:46)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
at java.lang.reflect.Constructor.newInstance(Unknown Source)
at com.mysql.jdbc.Util.handleNewInstance(Util.java:406)
at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:302)
at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:283)
at org.hibernate.engine.jdbc.connections.internal.DriverConnectionCreator.makeC
onnection(DriverConnectionCreator.java:55)
... 13 more
1 - 你知道是否可以在 SQLite 上使用休眠模式吗？
2 - 如果是，您知道它为什么不起作用吗？
3 - 对于 MySql，问题是什么？
非常感谢！！
我想你可能刚刚 "hibernate" 拼错了...
Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Unknown database 'hierbnate'
尝试改变这个：
<property name="hibernate.connection.url">jdbc:mysql://localhost:3306/hierbnate</property>
为此：
<property name="hibernate.connection.url">jdbc:mysql://localhost:3306/hibernate</property>
（除非你的数据库真的叫hierbnate，那我就删掉这个答案）。
感谢 Todd 我的语法错误 (MySql)。
对于 SQLite，方言在 hibernate 4.3 中不存在。所以我找到并改编了一个类以将 SQLite 与 Hibernate 4.3.8 一起使用：
/*
* The author disclaims copyright to this source code. In place of
* a legal notice, here is a blessing:
*
* May you do good and not evil.
* May you find forgiveness for yourself and forgive others.
* May you share freely, never taking more than you give.
*
*/
package org.hibernate.dialect;
import java.sql.Types;
import org.hibernate.dialect.function.StandardSQLFunction;
import org.hibernate.dialect.function.SQLFunctionTemplate;
import org.hibernate.dialect.function.VarArgsSQLFunction;
import org.hibernate.type.IntegerType;
import org.hibernate.type.StringType;
import org.hibernate.Hibernate;
public class SQLiteDialect extends Dialect {
public SQLiteDialect() {
registerColumnType(Types.BIT, "integer");
registerColumnType(Types.TINYINT, "tinyint");
registerColumnType(Types.SMALLINT, "smallint");
registerColumnType(Types.INTEGER, "integer");
registerColumnType(Types.BIGINT, "bigint");
registerColumnType(Types.FLOAT, "float");
registerColumnType(Types.REAL, "real");
registerColumnType(Types.DOUBLE, "double");
registerColumnType(Types.NUMERIC, "numeric");
registerColumnType(Types.DECIMAL, "decimal");
registerColumnType(Types.CHAR, "char");
registerColumnType(Types.VARCHAR, "varchar");
registerColumnType(Types.LONGVARCHAR, "longvarchar");
registerColumnType(Types.DATE, "date");
registerColumnType(Types.TIME, "time");
registerColumnType(Types.TIMESTAMP, "timestamp");
registerColumnType(Types.BINARY, "blob");
registerColumnType(Types.VARBINARY, "blob");
registerColumnType(Types.LONGVARBINARY, "blob");
// registerColumnType(Types.NULL, "null");
registerColumnType(Types.BLOB, "blob");
registerColumnType(Types.CLOB, "clob");
registerColumnType(Types.BOOLEAN, "integer");
registerFunction( "concat", new VarArgsSQLFunction(StringType.INSTANCE, "", "||", "") );
registerFunction( "mod", new SQLFunctionTemplate( IntegerType.INSTANCE, "?1 % ?2" ) );
registerFunction( "substr", new StandardSQLFunction("substr", StringType.INSTANCE) );
registerFunction( "substring", new StandardSQLFunction( "substr", StringType.INSTANCE ) );
}
public boolean supportsIdentityColumns() {
return true;
}
/*
public boolean supportsInsertSelectIdentity() {
return true; // As specify in NHibernate dialect
}
*/
public boolean hasDataTypeInIdentityColumn() {
return false; // As specify in NHibernate dialect
}
/*
public String appendIdentitySelectToInsert(String insertString) {
return new StringBuffer(insertString.length()+30). // As specify in NHibernate dialect
append(insertString).
append("; ").append(getIdentitySelectString()).
toString();
}
*/
public String getIdentityColumnString() {
// return "integer primary key autoincrement";
return "integer";
}
public String getIdentitySelectString() {
return "select last_insert_rowid()";
}
public boolean supportsLimit() {
return true;
}
protected String getLimitString(String query, boolean hasOffset) {
return new StringBuffer(query.length()+20).
append(query).
append(hasOffset ? " limit ? offset ?" : " limit ?").
toString();
}
public boolean supportsTemporaryTables() {
return true;
}
public String getCreateTemporaryTableString() {
return "create temporary table if not exists";
}
public boolean dropTemporaryTableAfterUse() {
return false;
}
public boolean supportsCurrentTimestampSelection() {
return true;
}
public boolean isCurrentTimestampSelectStringCallable() {
return false;
}
public String getCurrentTimestampSelectString() {
return "select current_timestamp";
}
public boolean supportsUnionAll() {
return true;
}
public boolean hasAlterTable() {
return false; // As specify in NHibernate dialect
}
public boolean dropConstraints() {
return false;
}
public String getAddColumnString() {
return "add column";
}
public String getForUpdateString() {
return "";
}
public boolean supportsOuterJoinForUpdate() {
return false;
}
public String getDropForeignKeyString() {
throw new UnsupportedOperationException("No drop foreign key syntax supported by SQLiteDialect");
}
public String getAddForeignKeyConstraintString(String constraintName,
String[] foreignKey, String referencedTable, String[] primaryKey,
boolean referencesPrimaryKey) {
throw new UnsupportedOperationException("No add foreign key syntax supported by SQLiteDialect");
}
public String getAddPrimaryKeyConstraintString(String constraintName) {
throw new UnsupportedOperationException("No add primary key syntax supported by SQLiteDialect");
}
public boolean supportsIfExistsBeforeTableName() {
return true;
}
public boolean supportsCascadeDelete() {
return false;
}
@Override
public boolean bindLimitParametersInReverseOrder() {
return true;
}
}
几周以来我一直在学习使用 java，我想在简单的 Java 控制台应用程序中使用 Hibernate。 我下载最新版本的 Hibernate ORM (4.3.8)
我将这个 Jars 添加到我的 Class路径中：
- com.mysql.jdbc_5.1.5.jar
- sqlite-jdbc-3.8.7.jar
- 休眠 Library\antlr-2.7.7.jar
- 休眠 Library\dom4j-1.6.1.jar
- 休眠 Library\hibernate-commons-annotations-4.0.5.Final.jar
- 休眠 Library\hibernate-core-4.3.8.Final.jar
- 休眠 Library\hibernate-jpa-2.1-api-1.0.0.Final.jar
- 休眠 Library\jandex-1.1.0.Final.jar
- 休眠 Library\javassist-3.18.1-GA.jar
- 休眠 Library\jboss-logging-3.1.3.GA.jar
- 休眠 Library\jboss-logging-annotations-1.2.0.Beta1.jar
- 休眠 Library\jboss-transaction-api_1.2_spec-1.0.0.Final.jar
我的Class:
import javax.persistence.Entity;
import javax.persistence.Id;
import javax.persistence.Table;
@Entity
@Table(name = "STUDENT_INFORMATIONS")
public class Student_Info {
@Id
private int rollNo;
private String name;
public int getRollNo() {
return rollNo;
}
public void setRollNo(int rollNo) {
this.rollNo = rollNo;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
}
我的主要代码：
Student_Info student = new Student_Info();
student.setName("Fabien");
student.setRollNo(1);
SessionFactory sessionFactory;
ServiceRegistry serviceRegistry;
Configuration configuration = new Configuration();
configuration.configure();
serviceRegistry = new StandardServiceRegistryBuilder().applySettings(
configuration.getProperties()).build();
sessionFactory = configuration.buildSessionFactory(serviceRegistry);
Session session = sessionFactory.openSession();
session.beginTransaction();
session.save(student);
session.getTransaction().commit();
session.close();
sessionFactory.close();
SQLite
首先我为 SQLite 创建一个 hibernate.cfg.xml 配置，方言 属性 到 "util.SQLiteDialect"
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE hibernate-configuration PUBLIC "-//Hibernate/Hibernate Configuration DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd">
<hibernate-configuration>
<session-factory>
<property name="show_sql">true</property>
<property name="format_sql">true</property>
<property name="dialect">util.SQLiteDialect</property>
<property name="connection.driver_class">org.sqlite.JDBC</property>
<property name="connection.url">jdbc:sqlite:SQLiteJDBC.sqlite</property>
<property name="connection.username"></property>
<property name="connection.password"></property>
<!-- create / update -->
<property name="hibernate.hbm2ddl.auto">create</property>
<!-- Liste des classes à Mapper en base de données -->
<!-- <mapping resource="User.hbm.xml"/> -->
<mapping class="com.hibernate.Student_Info"/>
</session-factory>
</hibernate-configuration>
当我 运行 我的主程序时出现此错误 :
...
INFO: HHH000006: Autocommit mode: false
janv. 10, 2015 4:23:40 PM org.hibernate.engine.jdbc.connections.internal.DriverM
anagerConnectionProviderImpl configure
INFO: HHH000115: Hibernate connection pool size: 20 (min=1)
Exception in thread "main" org.hibernate.boot.registry.selector.spi.StrategySele
ctionException: Unable to resolve name [util.SQLiteDialect] as strategy [org.hib
ernate.dialect.Dialect]
at org.hibernate.boot.registry.selector.internal.StrategySelectorImpl.selectStr
ategyImplementor(StrategySelectorImpl.java:128)
at org.hibernate.boot.registry.selector.internal.StrategySelectorImpl.resolveDe
faultableStrategy(StrategySelectorImpl.java:155)
at org.hibernate.boot.registry.selector.internal.StrategySelectorImpl.resolveSt
rategy(StrategySelectorImpl.java:136)
at org.hibernate.engine.jdbc.dialect.internal.DialectFactoryImpl.constructDiale
ct(DialectFactoryImpl.java:78)
at org.hibernate.engine.jdbc.dialect.internal.DialectFactoryImpl.buildDialect(D
ialectFactoryImpl.java:68)
at org.hibernate.engine.jdbc.internal.JdbcServicesImpl.configure(JdbcServicesIm
pl.java:165)
at org.hibernate.boot.registry.internal.StandardServiceRegistryImpl.configureSe
rvice(StandardServiceRegistryImpl.java:111)
at org.hibernate.service.internal.AbstractServiceRegistryImpl.initializeService
(AbstractServiceRegistryImpl.java:234)
at org.hibernate.service.internal.AbstractServiceRegistryImpl.getService(Abstra
ctServiceRegistryImpl.java:206)
at org.hibernate.cfg.Configuration.buildTypeRegistrations(Configuration.java:18
87)
at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1845)
at com.hibernate.Main.main(Main.java:26)
MySql
在我尝试使用 mysql 数据库后
<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE hibernate-configuration SYSTEM
"http://www.hibernate.org/dtd/hibernate-configuration-3.0.dtd">
<hibernate-configuration>
<session-factory>
<!-- Database connection settings -->
<property name="hibernate.connection.driver_class">com.mysql.jdbc.Driver</property>
<property name="hibernate.connection.url">jdbc:mysql://localhost:3306/hierbnate</property>
<property name="hibernate.connection.username">root</property>
<property name="hibernate.connection.password"></property>
<!-- JDBC Connection pool -->
<property name="connection.pool_size">1</property>
<!-- SQL Dialect -->
<property name="hibernate.dialect">org.hibernate.dialect.MySQLDialect</property>
<!-- Disable the second-level cache -->
<property name="cache.provider_cass">org.hibernate.cache.NoCacheProvider</property>
<!-- Echo all executed SQL to stdout -->
<property name="show_sql">true</property>
<!-- create / update -->
<property name="hibernate.hbm2ddl.auto">create</property>
<!-- Liste des classes à Mapper en base de données -->
<!-- <mapping resource="User.hbm.xml"/> -->
<mapping class="com.hibernate.Student_Info"/>
</session-factory>
</hibernate-configuration>
当我 运行 我的主程序出现这个错误时：
...
janv. 10, 2015 4:41:43 PM org.hibernate.engine.jdbc.connections.internal.DriverM
anagerConnectionProviderImpl buildCreator
INFO: HHH000401: using driver [com.mysql.jdbc.Driver] at URL [jdbc:mysql://local
host:3306/hierbnate]
janv. 10, 2015 4:41:43 PM org.hibernate.engine.jdbc.connections.internal.DriverM
anagerConnectionProviderImpl buildCreator
INFO: HHH000046: Connection properties: {user=root, password=****}
janv. 10, 2015 4:41:43 PM org.hibernate.engine.jdbc.connections.internal.DriverM
anagerConnectionProviderImpl buildCreator
INFO: HHH000006: Autocommit mode: false
janv. 10, 2015 4:41:43 PM org.hibernate.engine.jdbc.connections.internal.DriverM
anagerConnectionProviderImpl configure
INFO: HHH000115: Hibernate connection pool size: 1 (min=1)
Exception in thread "main" org.hibernate.exception.SQLGrammarException: Error ca
lling Driver#connect
at org.hibernate.exception.internal.SQLStateConversionDelegate.convert(SQLState
ConversionDelegate.java:123)
at org.hibernate.engine.jdbc.connections.internal.BasicConnectionCreator.co
nvert(BasicConnectionCreator.java:118)
at org.hibernate.engine.jdbc.connections.internal.BasicConnectionCreator.conver
tSqlException(BasicConnectionCreator.java:140)
at org.hibernate.engine.jdbc.connections.internal.DriverConnectionCreator.makeC
onnection(DriverConnectionCreator.java:58)
at org.hibernate.engine.jdbc.connections.internal.BasicConnectionCreator.create
Connection(BasicConnectionCreator.java:75)
at org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProvid
erImpl.configure(DriverManagerConnectionProviderImpl.java:106)
at org.hibernate.boot.registry.internal.StandardServiceRegistryImpl.configureSe
rvice(StandardServiceRegistryImpl.java:111)
at org.hibernate.service.internal.AbstractServiceRegistryImpl.initializeService
(AbstractServiceRegistryImpl.java:234)
at org.hibernate.service.internal.AbstractServiceRegistryImpl.getService(Abstra
ctServiceRegistryImpl.java:206)
at org.hibernate.engine.jdbc.internal.JdbcServicesImpl.buildJdbcConnectionAcces
s(JdbcServicesImpl.java:260)
at org.hibernate.engine.jdbc.internal.JdbcServicesImpl.configure(JdbcServicesIm
pl.java:94)
at org.hibernate.boot.registry.internal.StandardServiceRegistryImpl.configureSe
rvice(StandardServiceRegistryImpl.java:111)
at org.hibernate.service.internal.AbstractServiceRegistryImpl.initializeService
(AbstractServiceRegistryImpl.java:234)
at org.hibernate.service.internal.AbstractServiceRegistryImpl.getService(Abstra
ctServiceRegistryImpl.java:206)
at org.hibernate.cfg.Configuration.buildTypeRegistrations(Configuration.java:18
87)
at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1845)
at com.hibernate.Main.main(Main.java:25)
Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Unknown da
tabase 'hierbnate'
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
at java.lang.reflect.Constructor.newInstance(Unknown Source)
at com.mysql.jdbc.Util.handleNewInstance(Util.java:406)
at com.mysql.jdbc.Util.getInstance(Util.java:381)
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1031)
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:957)
at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3376)
at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3308)
at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:894)
at com.mysql.jdbc.MysqlIO.secureAuth411(MysqlIO.java:3808)
at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1256)
at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2032)
at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:729)
at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:46)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
at java.lang.reflect.Constructor.newInstance(Unknown Source)
at com.mysql.jdbc.Util.handleNewInstance(Util.java:406)
at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:302)
at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:283)
at org.hibernate.engine.jdbc.connections.internal.DriverConnectionCreator.makeC
onnection(DriverConnectionCreator.java:55)
... 13 more
1 - 你知道是否可以在 SQLite 上使用休眠模式吗？
2 - 如果是，您知道它为什么不起作用吗？
3 - 对于 MySql，问题是什么？
非常感谢！！
我想你可能刚刚 "hibernate" 拼错了...
Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Unknown database 'hierbnate'
尝试改变这个：
<property name="hibernate.connection.url">jdbc:mysql://localhost:3306/hierbnate</property>
为此：
<property name="hibernate.connection.url">jdbc:mysql://localhost:3306/hibernate</property>
（除非你的数据库真的叫hierbnate，那我就删掉这个答案）。
感谢 Todd 我的语法错误 (MySql)。
对于 SQLite，方言在 hibernate 4.3 中不存在。所以我找到并改编了一个类以将 SQLite 与 Hibernate 4.3.8 一起使用：
/*
* The author disclaims copyright to this source code. In place of
* a legal notice, here is a blessing:
*
* May you do good and not evil.
* May you find forgiveness for yourself and forgive others.
* May you share freely, never taking more than you give.
*
*/
package org.hibernate.dialect;
import java.sql.Types;
import org.hibernate.dialect.function.StandardSQLFunction;
import org.hibernate.dialect.function.SQLFunctionTemplate;
import org.hibernate.dialect.function.VarArgsSQLFunction;
import org.hibernate.type.IntegerType;
import org.hibernate.type.StringType;
import org.hibernate.Hibernate;
public class SQLiteDialect extends Dialect {
public SQLiteDialect() {
registerColumnType(Types.BIT, "integer");
registerColumnType(Types.TINYINT, "tinyint");
registerColumnType(Types.SMALLINT, "smallint");
registerColumnType(Types.INTEGER, "integer");
registerColumnType(Types.BIGINT, "bigint");
registerColumnType(Types.FLOAT, "float");
registerColumnType(Types.REAL, "real");
registerColumnType(Types.DOUBLE, "double");
registerColumnType(Types.NUMERIC, "numeric");
registerColumnType(Types.DECIMAL, "decimal");
registerColumnType(Types.CHAR, "char");
registerColumnType(Types.VARCHAR, "varchar");
registerColumnType(Types.LONGVARCHAR, "longvarchar");
registerColumnType(Types.DATE, "date");
registerColumnType(Types.TIME, "time");
registerColumnType(Types.TIMESTAMP, "timestamp");
registerColumnType(Types.BINARY, "blob");
registerColumnType(Types.VARBINARY, "blob");
registerColumnType(Types.LONGVARBINARY, "blob");
// registerColumnType(Types.NULL, "null");
registerColumnType(Types.BLOB, "blob");
registerColumnType(Types.CLOB, "clob");
registerColumnType(Types.BOOLEAN, "integer");
registerFunction( "concat", new VarArgsSQLFunction(StringType.INSTANCE, "", "||", "") );
registerFunction( "mod", new SQLFunctionTemplate( IntegerType.INSTANCE, "?1 % ?2" ) );
registerFunction( "substr", new StandardSQLFunction("substr", StringType.INSTANCE) );
registerFunction( "substring", new StandardSQLFunction( "substr", StringType.INSTANCE ) );
}
public boolean supportsIdentityColumns() {
return true;
}
/*
public boolean supportsInsertSelectIdentity() {
return true; // As specify in NHibernate dialect
}
*/
public boolean hasDataTypeInIdentityColumn() {
return false; // As specify in NHibernate dialect
}
/*
public String appendIdentitySelectToInsert(String insertString) {
return new StringBuffer(insertString.length()+30). // As specify in NHibernate dialect
append(insertString).
append("; ").append(getIdentitySelectString()).
toString();
}
*/
public String getIdentityColumnString() {
// return "integer primary key autoincrement";
return "integer";
}
public String getIdentitySelectString() {
return "select last_insert_rowid()";
}
public boolean supportsLimit() {
return true;
}
protected String getLimitString(String query, boolean hasOffset) {
return new StringBuffer(query.length()+20).
append(query).
append(hasOffset ? " limit ? offset ?" : " limit ?").
toString();
}
public boolean supportsTemporaryTables() {
return true;
}
public String getCreateTemporaryTableString() {
return "create temporary table if not exists";
}
public boolean dropTemporaryTableAfterUse() {
return false;
}
public boolean supportsCurrentTimestampSelection() {
return true;
}
public boolean isCurrentTimestampSelectStringCallable() {
return false;
}
public String getCurrentTimestampSelectString() {
return "select current_timestamp";
}
public boolean supportsUnionAll() {
return true;
}
public boolean hasAlterTable() {
return false; // As specify in NHibernate dialect
}
public boolean dropConstraints() {
return false;
}
public String getAddColumnString() {
return "add column";
}
public String getForUpdateString() {
return "";
}
public boolean supportsOuterJoinForUpdate() {
return false;
}
public String getDropForeignKeyString() {
throw new UnsupportedOperationException("No drop foreign key syntax supported by SQLiteDialect");
}
public String getAddForeignKeyConstraintString(String constraintName,
String[] foreignKey, String referencedTable, String[] primaryKey,
boolean referencesPrimaryKey) {
throw new UnsupportedOperationException("No add foreign key syntax supported by SQLiteDialect");
}
public String getAddPrimaryKeyConstraintString(String constraintName) {
throw new UnsupportedOperationException("No add primary key syntax supported by SQLiteDialect");
}
public boolean supportsIfExistsBeforeTableName() {
return true;
}
public boolean supportsCascadeDelete() {
return false;
}
@Override
public boolean bindLimitParametersInReverseOrder() {
return true;
}
}