org.hibernate.hql.internal.ast.QuerySyntaxException：<table_name>未映射

这是我的hibernate.cfg.xml

 <hibernate-configuration> <session-factory> <property name="hibernate.dialect">org.hibernate.dialect.MySQLDialect</property> <property name="hibernate.connection.driver_class">com.mysql.jdbc.Driver</property> <!-- Assume hibernateTutorial is the database name --> <property name="hibernate.connection.url">jdbc:mysql://localhost/hibernateTutorial</property> <property name="hibernate.connection.username">root</property> <property name="hibernate.connection.password"></property> <property name="current_session_context_class">org.hibernate.context.ThreadLocalSessionContext</property> <property name="connection.provider_class">org.hibernate.connection.C3P0ConnectionProvider</property> <property name="hibernate.c3p0.idle_test_period">3600</property> <property name="hibernate.c3p0.timeout">28800</property> <!-- List of XML mapping files. Give absolute path of the xml files after src/ --> <mapping resource="xml/Employee.hbm.xml"></mapping> </session-factory> </hibernate-configuration> 

这是我的表EMPLOYEE

 desc EMPLOYEE; +------------+-------------+------+-----+---------+----------------+ | Field | Type | Null | Key | Default | Extra | +------------+-------------+------+-----+---------+----------------+ | id | int(11) | NO | PRI | NULL | auto_increment | | first_name | varchar(20) | YES | | NULL | | | last_name | varchar(20) | YES | | NULL | | | salary | int(11) | YES | | NULL | | +------------+-------------+------+-----+---------+----------------+ 

这是我的Employee.hbm.xml （Employee.java在包dto下）

 <?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD//EN" "http://www.hibernate.org/dtd/hibernate-mapping-3.0.dtd"> <hibernate-mapping> <class name="dto.Employee" table="EMPLOYEE"> <meta attribute="class-description"> This class contains the employee details. </meta> <id name="id" type="int" column="id"> <generator class="native" /> </id> <property name="firstName" column="first_name" type="string" /> <property name="lastName" column="last_name" type="string" /> <property name="salary" column="salary" type="int" /> </class> </hibernate-mapping> 

这是我的主类ManageEmployee.java

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 private static SessionFactory factory = null; private static Session session = null; @SuppressWarnings({ "deprecation", "unused" }) public static void main(String[] args) { System.out.println("adding employees"); // Add employee System.out.println("adding employee 1"); Integer emp1 = addEmployee("Emp1FN", "Emp1LN", 1000); System.out.println("adding employee 2"); Integer emp2 = addEmployee("Emp2FN", "Emp2LN", 1000); System.out.println("adding employee 3"); Integer emp3 = addEmployee("Emp3FN", "Emp3LN", 1000); // list employees System.out.println("listing employees"); List<Employee> employeeList = listEmployees(); System.out.println(employeeList); // update employees System.out.println("updating employee1"); updateEmployee(emp1, "Emp4FN", "Emp4LN", 5000); // list employees System.out.println("listing employees"); employeeList = listEmployees(); System.out.println(employeeList); // delete employees System.out.println("deleting employee 2"); deleteEmployee(emp2); // list employees System.out.println("listing employees"); employeeList = listEmployees(); System.out.println(employeeList); } @SuppressWarnings("deprecation") private static void deleteEmployee(Integer empID) { Transaction tx = null; try { factory = new Configuration().configure().buildSessionFactory(); System.out.println("factory configured"); session = factory.openSession(); tx = session.beginTransaction(); Employee emp = (Employee) session.get(Employee.class, empID); session.delete(emp); tx.commit(); } catch (HibernateException e) { System.out .println("HibernateException while deleting from EMPLOYEE :: " + e.getMessage()); e.printStackTrace(); if (tx != null) { tx.rollback(); } System.exit(1); } finally { if (session != null) { session.close(); } } } private static void updateEmployee(int empID, String firstName, String lastName, int salary) { Transaction tx = null; try { factory = new Configuration().configure().buildSessionFactory(); System.out.println("factory configured"); session = factory.openSession(); tx = session.beginTransaction(); Employee emp = (Employee) session.get(Employee.class, empID); emp = new Employee(firstName, lastName, salary); session.update(emp); tx.commit(); } catch (HibernateException e) { System.out .println("HibernateException while updating into EMPLOYEE :: " + e.getMessage()); e.printStackTrace(); if (tx != null) { tx.rollback(); } System.exit(1); } finally { if (session != null) { session.close(); } } } @SuppressWarnings({ "unchecked", "deprecation" }) private static List<Employee> listEmployees() { List<Employee> employeeList = new ArrayList<Employee>(); Transaction tx = null; try { factory = new Configuration().configure().buildSessionFactory(); System.out.println("factory configured"); session = factory.openSession(); tx = session.beginTransaction(); employeeList = session.createQuery("from EMPLOYEE").list(); } catch (HibernateException e) { System.out .println("HibernateException while selecting from EMPLOYEE :: " + e.getMessage()); e.printStackTrace(); if (tx != null) { tx.rollback(); } System.exit(1); } finally { if (session != null) { session.close(); } } return employeeList; } private static Integer addEmployee(String firstName, String lastName, int salary) { Integer empID = null; Transaction tx = null; try { factory = new Configuration().configure().buildSessionFactory(); System.out.println("factory configured"); session = factory.openSession(); tx = session.beginTransaction(); Employee emp = new Employee(firstName, lastName, salary); empID = (Integer) session.save(emp); tx.commit(); } catch (HibernateException e) { System.out .println("HibernateException while inserting into EMPLOYEE :: " + e.getMessage()); e.printStackTrace(); if (tx != null) { tx.rollback(); } System.exit(1); } finally { if (session != null) { session.close(); } } return empID; } 

当我执行main（）时，我得到exception，下面的堆栈跟踪 –

 adding employees adding employee 1 Jul 5, 2013 2:05:12 PM org.hibernate.annotations.common.Version <clinit> INFO: HCANN000001: Hibernate Commons Annotations {4.0.2.Final} Jul 5, 2013 2:05:12 PM org.hibernate.Version logVersion INFO: HHH000412: Hibernate Core {4.2.3.Final} Jul 5, 2013 2:05:12 PM org.hibernate.cfg.Environment <clinit> INFO: HHH000205: Loaded properties from resource hibernate.properties: {hibernate.connection.driver_class=org.h2.Driver, hibernate.dialect=org.hibernate.dialect.H2Dialect, hibernate.max_fetch_depth=5, hibernate.format_sql=true, hibernate.generate_statistics=true, hibernate.connection.username=sa, hibernate.connection.url=jdbc:h2:mem:db1;DB_CLOSE_DELAY=-1;MVCC=TRUE, hibernate.bytecode.use_reflection_optimizer=false, hibernate.jdbc.batch_versioned_data=true, hibernate.connection.pool_size=5} Jul 5, 2013 2:05:12 PM org.hibernate.cfg.Environment buildBytecodeProvider INFO: HHH000021: Bytecode provider name : javassist Jul 5, 2013 2:05:13 PM org.hibernate.cfg.Configuration configure INFO: HHH000043: Configuring from resource: /hibernate.cfg.xml Jul 5, 2013 2:05:13 PM org.hibernate.cfg.Configuration getConfigurationInputStream INFO: HHH000040: Configuration resource: /hibernate.cfg.xml Jul 5, 2013 2:05:13 PM org.hibernate.internal.util.xml.DTDEntityResolver resolveEntity WARN: HHH000223: Recognized obsolete hibernate namespace http://hibernate.sourceforge.net/. Use namespace http://www.hibernate.org/dtd/ instead. Refer to Hibernate 3.6 Migration Guide! Jul 5, 2013 2:05:13 PM org.hibernate.cfg.Configuration addResource INFO: HHH000221: Reading mappings from resource: xml/Employee.hbm.xml Jul 5, 2013 2:05:13 PM org.hibernate.cfg.Configuration doConfigure INFO: HHH000041: Configured SessionFactory: null Jul 5, 2013 2:05:13 PM org.hibernate.service.jdbc.connections.internal.ConnectionProviderInitiator getConfiguredConnectionProviderName WARN: HHH000208: org.hibernate.connection.C3P0ConnectionProvider has been deprecated in favor of org.hibernate.service.jdbc.connections.internal.C3P0ConnectionProvider; that provider will be used instead. Jul 5, 2013 2:05:13 PM org.hibernate.service.jdbc.connections.internal.ConnectionProviderInitiator instantiateExplicitConnectionProvider INFO: HHH000130: Instantiating explicit connection provider: org.hibernate.service.jdbc.connections.internal.C3P0ConnectionProvider Jul 5, 2013 2:05:13 PM org.hibernate.service.jdbc.connections.internal.C3P0ConnectionProvider configure INFO: HHH010002: C3P0 using driver: com.mysql.jdbc.Driver at URL: jdbc:mysql://localhost/hibernateTutorial Jul 5, 2013 2:05:13 PM org.hibernate.service.jdbc.connections.internal.C3P0ConnectionProvider configure INFO: HHH000046: Connection properties: {user=root, password=****} Jul 5, 2013 2:05:13 PM org.hibernate.service.jdbc.connections.internal.C3P0ConnectionProvider configure INFO: HHH000006: Autocommit mode: false Jul 5, 2013 2:05:13 PM com.mchange.v2.log.MLog <clinit> INFO: MLog clients using java 1.4+ standard logging. Jul 5, 2013 2:05:13 PM com.mchange.v2.c3p0.C3P0Registry banner INFO: Initializing c3p0-0.9.2.1 [built 20-March-2013 10:47:27 +0000; debug? true; trace: 10] Jul 5, 2013 2:05:13 PM com.mchange.v2.c3p0.impl.AbstractPoolBackedDataSource getPoolManager INFO: Initializing c3p0 pool... com.mchange.v2.c3p0.PoolBackedDataSource@143cf7f5 [ connectionPoolDataSource -> com.mchange.v2.c3p0.WrapperConnectionPoolDataSource@14e02320 [ acquireIncrement -> 3, acquireRetryAttempts -> 30, acquireRetryDelay -> 1000, autoCommitOnClose -> false, automaticTestTable -> null, breakAfterAcquireFailure -> false, checkoutTimeout -> 0, connectionCustomizerClassName -> null, connectionTesterClassName -> com.mchange.v2.c3p0.impl.DefaultConnectionTester, debugUnreturnedConnectionStackTraces -> false, factoryClassLocation -> null, forceIgnoreUnresolvedTransactions -> false, identityToken -> 1hge1778v1c9qur3n1bnbv|1d6a56e, idleConnectionTestPeriod -> 3600, initialPoolSize -> 3, maxAdministrativeTaskTime -> 0, maxConnectionAge -> 0, maxIdleTime -> 28800, maxIdleTimeExcessConnections -> 0, maxPoolSize -> 15, maxStatements -> 0, maxStatementsPerConnection -> 0, minPoolSize -> 3, nestedDataSource -> com.mchange.v2.c3p0.DriverManagerDataSource@634a2fd5 [ description -> null, driverClass -> null, factoryClassLocation -> null, identityToken -> 1hge1778v1c9qur3n1bnbv|16921fd, jdbcUrl -> jdbc:mysql://localhost/hibernateTutorial, properties -> {user=******, password=******} ], preferredTestQuery -> null, propertyCycle -> 0, statementCacheNumDeferredCloseThreads -> 0, testConnectionOnCheckin -> false, testConnectionOnCheckout -> false, unreturnedConnectionTimeout -> 0, usesTraditionalReflectiveProxies -> false; userOverrides: {} ], dataSourceName -> null, factoryClassLocation -> null, identityToken -> 1hge1778v1c9qur3n1bnbv|1cb52ae, numHelperThreads -> 3 ] Jul 5, 2013 2:05:13 PM org.hibernate.dialect.Dialect <init> INFO: HHH000400: Using dialect: org.hibernate.dialect.MySQLDialect Jul 5, 2013 2:05:13 PM org.hibernate.engine.jdbc.internal.LobCreatorBuilder useContextualLobCreation INFO: HHH000423: Disabling contextual LOB creation as JDBC driver reported JDBC version [3] less than 4 Jul 5, 2013 2:05:13 PM org.hibernate.engine.transaction.internal.TransactionFactoryInitiator initiateService INFO: HHH000399: Using default transaction strategy (direct JDBC transactions) Jul 5, 2013 2:05:13 PM org.hibernate.hql.internal.ast.ASTQueryTranslatorFactory <init> INFO: HHH000397: Using ASTQueryTranslatorFactory factory configured adding employee 2 Jul 5, 2013 2:05:14 PM org.hibernate.cfg.Configuration configure INFO: HHH000043: Configuring from resource: /hibernate.cfg.xml Jul 5, 2013 2:05:14 PM org.hibernate.cfg.Configuration getConfigurationInputStream INFO: HHH000040: Configuration resource: /hibernate.cfg.xml Jul 5, 2013 2:05:14 PM org.hibernate.internal.util.xml.DTDEntityResolver resolveEntity WARN: HHH000223: Recognized obsolete hibernate namespace http://hibernate.sourceforge.net/. Use namespace http://www.hibernate.org/dtd/ instead. Refer to Hibernate 3.6 Migration Guide! Jul 5, 2013 2:05:14 PM org.hibernate.cfg.Configuration addResource INFO: HHH000221: Reading mappings from resource: xml/Employee.hbm.xml Jul 5, 2013 2:05:14 PM org.hibernate.cfg.Configuration doConfigure INFO: HHH000041: Configured SessionFactory: null Jul 5, 2013 2:05:14 PM org.hibernate.service.jdbc.connections.internal.ConnectionProviderInitiator getConfiguredConnectionProviderName WARN: HHH000208: org.hibernate.connection.C3P0ConnectionProvider has been deprecated in favor of org.hibernate.service.jdbc.connections.internal.C3P0ConnectionProvider; that provider will be used instead. Jul 5, 2013 2:05:14 PM org.hibernate.service.jdbc.connections.internal.ConnectionProviderInitiator instantiateExplicitConnectionProvider INFO: HHH000130: Instantiating explicit connection provider: org.hibernate.service.jdbc.connections.internal.C3P0ConnectionProvider Jul 5, 2013 2:05:14 PM org.hibernate.service.jdbc.connections.internal.C3P0ConnectionProvider configure INFO: HHH010002: C3P0 using driver: com.mysql.jdbc.Driver at URL: jdbc:mysql://localhost/hibernateTutorial Jul 5, 2013 2:05:14 PM org.hibernate.service.jdbc.connections.internal.C3P0ConnectionProvider configure INFO: HHH000046: Connection properties: {user=root, password=****} Jul 5, 2013 2:05:14 PM org.hibernate.service.jdbc.connections.internal.C3P0ConnectionProvider configure INFO: HHH000006: Autocommit mode: false Jul 5, 2013 2:05:14 PM com.mchange.v2.c3p0.impl.AbstractPoolBackedDataSource getPoolManager INFO: Initializing c3p0 pool... com.mchange.v2.c3p0.PoolBackedDataSource@5d5da90b [ connectionPoolDataSource -> com.mchange.v2.c3p0.WrapperConnectionPoolDataSource@1799a99f [ acquireIncrement -> 3, acquireRetryAttempts -> 30, acquireRetryDelay -> 1000, autoCommitOnClose -> false, automaticTestTable -> null, breakAfterAcquireFailure -> false, checkoutTimeout -> 0, connectionCustomizerClassName -> null, connectionTesterClassName -> com.mchange.v2.c3p0.impl.DefaultConnectionTester, debugUnreturnedConnectionStackTraces -> false, factoryClassLocation -> null, forceIgnoreUnresolvedTransactions -> false, identityToken -> 1hge1778v1c9qur3n1bnbv|1ac1e22, idleConnectionTestPeriod -> 3600, initialPoolSize -> 3, maxAdministrativeTaskTime -> 0, maxConnectionAge -> 0, maxIdleTime -> 28800, maxIdleTimeExcessConnections -> 0, maxPoolSize -> 15, maxStatements -> 0, maxStatementsPerConnection -> 0, minPoolSize -> 3, nestedDataSource -> com.mchange.v2.c3p0.DriverManagerDataSource@1158f897 [ description -> null, driverClass -> null, factoryClassLocation -> null, identityToken -> 1hge1778v1c9qur3n1bnbv|1f8d077, jdbcUrl -> jdbc:mysql://localhost/hibernateTutorial, properties -> {user=******, password=******} ], preferredTestQuery -> null, propertyCycle -> 0, statementCacheNumDeferredCloseThreads -> 0, testConnectionOnCheckin -> false, testConnectionOnCheckout -> false, unreturnedConnectionTimeout -> 0, usesTraditionalReflectiveProxies -> false; userOverrides: {} ], dataSourceName -> null, factoryClassLocation -> null, identityToken -> 1hge1778v1c9qur3n1bnbv|18ed77a, numHelperThreads -> 3 ] Jul 5, 2013 2:05:14 PM org.hibernate.dialect.Dialect <init> INFO: HHH000400: Using dialect: org.hibernate.dialect.MySQLDialect Jul 5, 2013 2:05:14 PM org.hibernate.engine.jdbc.internal.LobCreatorBuilder useContextualLobCreation INFO: HHH000423: Disabling contextual LOB creation as JDBC driver reported JDBC version [3] less than 4 Jul 5, 2013 2:05:14 PM org.hibernate.engine.transaction.internal.TransactionFactoryInitiator initiateService INFO: HHH000399: Using default transaction strategy (direct JDBC transactions) Jul 5, 2013 2:05:14 PM org.hibernate.hql.internal.ast.ASTQueryTranslatorFactory <init> INFO: HHH000397: Using ASTQueryTranslatorFactory factory configured adding employee 3 Jul 5, 2013 2:05:14 PM org.hibernate.cfg.Configuration configure INFO: HHH000043: Configuring from resource: /hibernate.cfg.xml Jul 5, 2013 2:05:14 PM org.hibernate.cfg.Configuration getConfigurationInputStream INFO: HHH000040: Configuration resource: /hibernate.cfg.xml Jul 5, 2013 2:05:14 PM org.hibernate.internal.util.xml.DTDEntityResolver resolveEntity WARN: HHH000223: Recognized obsolete hibernate namespace http://hibernate.sourceforge.net/. Use namespace http://www.hibernate.org/dtd/ instead. Refer to Hibernate 3.6 Migration Guide! Jul 5, 2013 2:05:14 PM org.hibernate.cfg.Configuration addResource INFO: HHH000221: Reading mappings from resource: xml/Employee.hbm.xml Jul 5, 2013 2:05:14 PM org.hibernate.cfg.Configuration doConfigure INFO: HHH000041: Configured SessionFactory: null Jul 5, 2013 2:05:14 PM org.hibernate.service.jdbc.connections.internal.ConnectionProviderInitiator getConfiguredConnectionProviderName WARN: HHH000208: org.hibernate.connection.C3P0ConnectionProvider has been deprecated in favor of org.hibernate.service.jdbc.connections.internal.C3P0ConnectionProvider; that provider will be used instead. Jul 5, 2013 2:05:14 PM org.hibernate.service.jdbc.connections.internal.ConnectionProviderInitiator instantiateExplicitConnectionProvider INFO: HHH000130: Instantiating explicit connection provider: org.hibernate.service.jdbc.connections.internal.C3P0ConnectionProvider Jul 5, 2013 2:05:14 PM org.hibernate.service.jdbc.connections.internal.C3P0ConnectionProvider configure INFO: HHH010002: C3P0 using driver: com.mysql.jdbc.Driver at URL: jdbc:mysql://localhost/hibernateTutorial Jul 5, 2013 2:05:14 PM org.hibernate.service.jdbc.connections.internal.C3P0ConnectionProvider configure INFO: HHH000046: Connection properties: {user=root, password=****} Jul 5, 2013 2:05:14 PM org.hibernate.service.jdbc.connections.internal.C3P0ConnectionProvider configure INFO: HHH000006: Autocommit mode: false Jul 5, 2013 2:05:14 PM com.mchange.v2.c3p0.impl.AbstractPoolBackedDataSource getPoolManager INFO: Initializing c3p0 pool... com.mchange.v2.c3p0.PoolBackedDataSource@ef16aa44 [ connectionPoolDataSource -> com.mchange.v2.c3p0.WrapperConnectionPoolDataSource@f894d859 [ acquireIncrement -> 3, acquireRetryAttempts -> 30, acquireRetryDelay -> 1000, autoCommitOnClose -> false, automaticTestTable -> null, breakAfterAcquireFailure -> false, checkoutTimeout -> 0, connectionCustomizerClassName -> null, connectionTesterClassName -> com.mchange.v2.c3p0.impl.DefaultConnectionTester, debugUnreturnedConnectionStackTraces -> false, factoryClassLocation -> null, forceIgnoreUnresolvedTransactions -> false, identityToken -> 1hge1778v1c9qur3n1bnbv|1a70b8, idleConnectionTestPeriod -> 3600, initialPoolSize -> 3, maxAdministrativeTaskTime -> 0, maxConnectionAge -> 0, maxIdleTime -> 28800, maxIdleTimeExcessConnections -> 0, maxPoolSize -> 15, maxStatements -> 0, maxStatementsPerConnection -> 0, minPoolSize -> 3, nestedDataSource -> com.mchange.v2.c3p0.DriverManagerDataSource@62985545 [ description -> null, driverClass -> null, factoryClassLocation -> null, identityToken -> 1hge1778v1c9qur3n1bnbv|15cd9c0, jdbcUrl -> jdbc:mysql://localhost/hibernateTutorial, properties -> {user=******, password=******} ], preferredTestQuery -> null, propertyCycle -> 0, statementCacheNumDeferredCloseThreads -> 0, testConnectionOnCheckin -> false, testConnectionOnCheckout -> false, unreturnedConnectionTimeout -> 0, usesTraditionalReflectiveProxies -> false; userOverrides: {} ], dataSourceName -> null, factoryClassLocation -> null, identityToken -> 1hge1778v1c9qur3n1bnbv|83d37a, numHelperThreads -> 3 ] Jul 5, 2013 2:05:14 PM org.hibernate.dialect.Dialect <init> INFO: HHH000400: Using dialect: org.hibernate.dialect.MySQLDialect Jul 5, 2013 2:05:14 PM org.hibernate.engine.jdbc.internal.LobCreatorBuilder useContextualLobCreation INFO: HHH000423: Disabling contextual LOB creation as JDBC driver reported JDBC version [3] less than 4 Jul 5, 2013 2:05:14 PM org.hibernate.engine.transaction.internal.TransactionFactoryInitiator initiateService INFO: HHH000399: Using default transaction strategy (direct JDBC transactions) Jul 5, 2013 2:05:14 PM org.hibernate.hql.internal.ast.ASTQueryTranslatorFactory <init> INFO: HHH000397: Using ASTQueryTranslatorFactory factory configured listing employees Jul 5, 2013 2:05:14 PM org.hibernate.cfg.Configuration configure INFO: HHH000043: Configuring from resource: /hibernate.cfg.xml Jul 5, 2013 2:05:14 PM org.hibernate.cfg.Configuration getConfigurationInputStream INFO: HHH000040: Configuration resource: /hibernate.cfg.xml Jul 5, 2013 2:05:14 PM org.hibernate.internal.util.xml.DTDEntityResolver resolveEntity WARN: HHH000223: Recognized obsolete hibernate namespace http://hibernate.sourceforge.net/. Use namespace http://www.hibernate.org/dtd/ instead. Refer to Hibernate 3.6 Migration Guide! Jul 5, 2013 2:05:14 PM org.hibernate.cfg.Configuration addResource INFO: HHH000221: Reading mappings from resource: xml/Employee.hbm.xml Jul 5, 2013 2:05:14 PM org.hibernate.cfg.Configuration doConfigure INFO: HHH000041: Configured SessionFactory: null Jul 5, 2013 2:05:14 PM org.hibernate.service.jdbc.connections.internal.ConnectionProviderInitiator getConfiguredConnectionProviderName WARN: HHH000208: org.hibernate.connection.C3P0ConnectionProvider has been deprecated in favor of org.hibernate.service.jdbc.connections.internal.C3P0ConnectionProvider; that provider will be used instead. Jul 5, 2013 2:05:14 PM org.hibernate.service.jdbc.connections.internal.ConnectionProviderInitiator instantiateExplicitConnectionProvider INFO: HHH000130: Instantiating explicit connection provider: org.hibernate.service.jdbc.connections.internal.C3P0ConnectionProvider Jul 5, 2013 2:05:14 PM org.hibernate.service.jdbc.connections.internal.C3P0ConnectionProvider configure INFO: HHH010002: C3P0 using driver: com.mysql.jdbc.Driver at URL: jdbc:mysql://localhost/hibernateTutorial Jul 5, 2013 2:05:14 PM org.hibernate.service.jdbc.connections.internal.C3P0ConnectionProvider configure INFO: HHH000046: Connection properties: {user=root, password=****} Jul 5, 2013 2:05:14 PM org.hibernate.service.jdbc.connections.internal.C3P0ConnectionProvider configure INFO: HHH000006: Autocommit mode: false Jul 5, 2013 2:05:14 PM com.mchange.v2.c3p0.impl.AbstractPoolBackedDataSource getPoolManager INFO: Initializing c3p0 pool... com.mchange.v2.c3p0.PoolBackedDataSource@646ad3f9 [ connectionPoolDataSource -> com.mchange.v2.c3p0.WrapperConnectionPoolDataSource@ef169246 [ acquireIncrement -> 3, acquireRetryAttempts -> 30, acquireRetryDelay -> 1000, autoCommitOnClose -> false, automaticTestTable -> null, breakAfterAcquireFailure -> false, checkoutTimeout -> 0, connectionCustomizerClassName -> null, connectionTesterClassName -> com.mchange.v2.c3p0.impl.DefaultConnectionTester, debugUnreturnedConnectionStackTraces -> false, factoryClassLocation -> null, forceIgnoreUnresolvedTransactions -> false, identityToken -> 1hge1778v1c9qur3n1bnbv|83d8be, idleConnectionTestPeriod -> 3600, initialPoolSize -> 3, maxAdministrativeTaskTime -> 0, maxConnectionAge -> 0, maxIdleTime -> 28800, maxIdleTimeExcessConnections -> 0, maxPoolSize -> 15, maxStatements -> 0, maxStatementsPerConnection -> 0, minPoolSize -> 3, nestedDataSource -> com.mchange.v2.c3p0.DriverManagerDataSource@a961744b [ description -> null, driverClass -> null, factoryClassLocation -> null, identityToken -> 1hge1778v1c9qur3n1bnbv|a010ba, jdbcUrl -> jdbc:mysql://localhost/hibernateTutorial, properties -> {user=******, password=******} ], preferredTestQuery -> null, propertyCycle -> 0, statementCacheNumDeferredCloseThreads -> 0, testConnectionOnCheckin -> false, testConnectionOnCheckout -> false, unreturnedConnectionTimeout -> 0, usesTraditionalReflectiveProxies -> false; userOverrides: {} ], dataSourceName -> null, factoryClassLocation -> null, identityToken -> 1hge1778v1c9qur3n1bnbv|14aa2db, numHelperThreads -> 3 ] Jul 5, 2013 2:05:14 PM org.hibernate.dialect.Dialect <init> INFO: HHH000400: Using dialect: org.hibernate.dialect.MySQLDialect Jul 5, 2013 2:05:14 PM org.hibernate.engine.jdbc.internal.LobCreatorBuilder useContextualLobCreation INFO: HHH000423: Disabling contextual LOB creation as JDBC driver reported JDBC version [3] less than 4 Jul 5, 2013 2:05:14 PM org.hibernate.engine.transaction.internal.TransactionFactoryInitiator initiateService INFO: HHH000399: Using default transaction strategy (direct JDBC transactions) Jul 5, 2013 2:05:14 PM org.hibernate.hql.internal.ast.ASTQueryTranslatorFactory <init> INFO: HHH000397: Using ASTQueryTranslatorFactory factory configured HibernateException while selecting from EMPLOYEE :: EMPLOYEE is not mapped [from EMPLOYEE] org.hibernate.hql.internal.ast.QuerySyntaxException: EMPLOYEE is not mapped [from EMPLOYEE] at org.hibernate.hql.internal.ast.util.SessionFactoryHelper.requireClassPersister(SessionFactoryHelper.java:180) at org.hibernate.hql.internal.ast.tree.FromElementFactory.addFromElement(FromElementFactory.java:110) at org.hibernate.hql.internal.ast.tree.FromClause.addFromElement(FromClause.java:93) at org.hibernate.hql.internal.ast.HqlSqlWalker.createFromElement(HqlSqlWalker.java:324) at org.hibernate.hql.internal.antlr.HqlSqlBaseWalker.fromElement(HqlSqlBaseWalker.java:3420) at org.hibernate.hql.internal.antlr.HqlSqlBaseWalker.fromElementList(HqlSqlBaseWalker.java:3309) at org.hibernate.hql.internal.antlr.HqlSqlBaseWalker.fromClause(HqlSqlBaseWalker.java:706) at org.hibernate.hql.internal.antlr.HqlSqlBaseWalker.query(HqlSqlBaseWalker.java:562) at org.hibernate.hql.internal.antlr.HqlSqlBaseWalker.selectStatement(HqlSqlBaseWalker.java:299) at org.hibernate.hql.internal.antlr.HqlSqlBaseWalker.statement(HqlSqlBaseWalker.java:247) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.analyze(QueryTranslatorImpl.java:249) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.doCompile(QueryTranslatorImpl.java:184) at org.hibernate.hql.internal.ast.QueryTranslatorImpl.compile(QueryTranslatorImpl.java:137) at org.hibernate.engine.query.spi.HQLQueryPlan.<init>(HQLQueryPlan.java:105) at org.hibernate.engine.query.spi.HQLQueryPlan.<init>(HQLQueryPlan.java:80) at org.hibernate.engine.query.spi.QueryPlanCache.getHQLQueryPlan(QueryPlanCache.java:168) at org.hibernate.internal.AbstractSessionImpl.getHQLQueryPlan(AbstractSessionImpl.java:221) at org.hibernate.internal.AbstractSessionImpl.createQuery(AbstractSessionImpl.java:199) at org.hibernate.internal.SessionImpl.createQuery(SessionImpl.java:1778) at api.ManageEmployee.listEmployees(ManageEmployee.java:118) at api.ManageEmployee.main(ManageEmployee.java:32) 

我发现很难弄清楚我哪里出错了？ 我使用的是hibernate.4.2.3.jar，并且包含了包含的所有jar包。

 <property name="current_session_context_class">org.hibernate.context.internal.ThreadLocalSessionContext</property>