【发布时间】:2016-10-09 17:51:20
【问题描述】:
我正在尝试设置一个简单的休眠应用程序,当我运行它时,我得到一个充满错误的堆栈跟踪。
我的 pom.xml 文件中有以下 maven 依赖项:
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-core</artifactId>
<version>5.2.0.Final</version>
</dependency>
<!-- http://mvnrepository.com/artifact/mysql/mysql-connector-java -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>6.0.2</version>
</dependency>
而我在本地运行的mysql版本是:
5.7.9, for osx10.11 (x86_64)
我正在运行,看起来,一个非常简单的方法,但仍然报错:
// create session factory
SessionFactory factory = new Configuration()
.configure("hibernate.cfg.xml")
.addAnnotatedClass(Model.class)
.buildSessionFactory();
// create session
Session session = factory.getCurrentSession();
Model newModel = new Model("....", "...", "...");
// start a transaction
session.beginTransaction();
// save the student object
System.out.println("Saving the model...");
session.save(newModel);
执行上述操作后,我得到一个很长的堆栈跟踪... System.out.println 也不打印...所以连接似乎没有连接。
INFO: HHH000115: Hibernate connection pool size: 1 (min=1)
Thu Jun 09 17:36:28 EST 2016 WARN: Establishing SSL connection without server's identity verification is not recommended. According to MySQL 5.5.45+, 5.6.26+ and 5.7.6+ requirements SSL connection must be established by default if explicit option isn't set. For compliance with existing applications not using SSL the verifyServerCertificate property is set to 'false'. You need either to explicitly disable SSL by setting useSSL=false, or set useSSL=true and provide truststore for server certificate verification.
Exception in thread "main" org.hibernate.service.spi.ServiceException: Unable to create requested service [org.hibernate.engine.jdbc.env.spi.JdbcEnvironment]
at org.hibernate.service.internal.AbstractServiceRegistryImpl.createService(AbstractServiceRegistryImpl.java:244)
at org.hibernate.service.internal.AbstractServiceRegistryImpl.initializeService(AbstractServiceRegistryImpl.java:208)
at org.hibernate.service.internal.AbstractServiceRegistryImpl.getService(AbstractServiceRegistryImpl.java:189)
at org.hibernate.engine.jdbc.internal.JdbcServicesImpl.configure(JdbcServicesImpl.java:51)
at org.hibernate.boot.registry.internal.StandardServiceRegistryImpl.configureService(StandardServiceRegistryImpl.java:94)
at org.hibernate.service.internal.AbstractServiceRegistryImpl.initializeService(AbstractServiceRegistryImpl.java:217)
at org.hibernate.service.internal.AbstractServiceRegistryImpl.getService(AbstractServiceRegistryImpl.java:189)
at org.hibernate.boot.model.process.spi.MetadataBuildingProcess.handleTypes(MetadataBuildingProcess.java:352)
at org.hibernate.boot.model.process.spi.MetadataBuildingProcess.complete(MetadataBuildingProcess.java:111)
at org.hibernate.boot.model.process.spi.MetadataBuildingProcess.build(MetadataBuildingProcess.java:83)
at org.hibernate.boot.internal.MetadataBuilderImpl.build(MetadataBuilderImpl.java:418)
at org.hibernate.boot.internal.MetadataBuilderImpl.build(MetadataBuilderImpl.java:87)
at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:691)
at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:723)
at com.parkingapi.tests.Test.main(Test.java:17)
Caused by: org.hibernate.exception.JDBCConnectionException: Error calling Driver#connect
at org.hibernate.engine.jdbc.connections.internal.BasicConnectionCreator$1$1.convert(BasicConnectionCreator.java:105)
at org.hibernate.engine.jdbc.connections.internal.BasicConnectionCreator.convertSqlException(BasicConnectionCreator.java:123)
at org.hibernate.engine.jdbc.connections.internal.DriverConnectionCreator.makeConnection(DriverConnectionCreator.java:41)
at org.hibernate.engine.jdbc.connections.internal.BasicConnectionCreator.createConnection(BasicConnectionCreator.java:58)
at org.hibernate.engine.jdbc.connections.internal.PooledConnections.addConnections(PooledConnections.java:106)
at org.hibernate.engine.jdbc.connections.internal.PooledConnections.<init>(PooledConnections.java:40)
at org.hibernate.engine.jdbc.connections.internal.PooledConnections.<init>(PooledConnections.java:19)
at org.hibernate.engine.jdbc.connections.internal.PooledConnections$Builder.build(PooledConnections.java:138)
at org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl.buildPool(DriverManagerConnectionProviderImpl.java:110)
at org.hibernate.engine.jdbc.connections.internal.DriverManagerConnectionProviderImpl.configure(DriverManagerConnectionProviderImpl.java:74)
at org.hibernate.boot.registry.internal.StandardServiceRegistryImpl.configureService(StandardServiceRegistryImpl.java:94)
at org.hibernate.service.internal.AbstractServiceRegistryImpl.initializeService(AbstractServiceRegistryImpl.java:217)
at org.hibernate.service.internal.AbstractServiceRegistryImpl.getService(AbstractServiceRegistryImpl.java:189)
at org.hibernate.engine.jdbc.env.internal.JdbcEnvironmentInitiator.buildJdbcConnectionAccess(JdbcEnvironmentInitiator.java:145)
at org.hibernate.engine.jdbc.env.internal.JdbcEnvironmentInitiator.initiateService(JdbcEnvironmentInitiator.java:66)
at org.hibernate.engine.jdbc.env.internal.JdbcEnvironmentInitiator.initiateService(JdbcEnvironmentInitiator.java:35)
at org.hibernate.boot.registry.internal.StandardServiceRegistryImpl.initiateService(StandardServiceRegistryImpl.java:88)
at org.hibernate.service.internal.AbstractServiceRegistryImpl.createService(AbstractServiceRegistryImpl.java:234)
... 14 more
Caused by: java.sql.SQLException: The server time zone value 'AEST' is unrecognized or represents more than one time zone. You must configure either the server or JDBC driver (via the serverTimezone configuration property) to use a more specifc time zone value if you want to utilize time zone support.
at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:695)
at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:663)
at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:653)
at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:638)
at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:606)
at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:624)
at com.mysql.cj.jdbc.exceptions.SQLError.createSQLException(SQLError.java:620)
at com.mysql.cj.jdbc.exceptions.SQLExceptionsMapping.translateException(SQLExceptionsMapping.java:68)
at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:1683)
at com.mysql.cj.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:656)
at com.mysql.cj.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:349)
at com.mysql.cj.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:221)
at org.hibernate.engine.jdbc.connections.internal.DriverConnectionCreator.makeConnection(DriverConnectionCreator.java:38)
... 29 more
Caused by: com.mysql.cj.core.exceptions.InvalidConnectionAttributeException: The server time zone value 'AEST' is unrecognized or represents more than one time zone. You must configure either the server or JDBC driver (via the serverTimezone configuration property) to use a more specifc time zone value if you want to utilize time zone support.
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:408)
at com.mysql.cj.core.exceptions.ExceptionFactory.createException(ExceptionFactory.java:54)
at com.mysql.cj.core.exceptions.ExceptionFactory.createException(ExceptionFactory.java:73)
at com.mysql.cj.jdbc.util.TimeUtil.getCanonicalTimezone(TimeUtil.java:118)
at com.mysql.cj.mysqla.MysqlaSession.configureTimezone(MysqlaSession.java:308)
at com.mysql.cj.jdbc.ConnectionImpl.initializePropsFromServer(ConnectionImpl.java:2474)
at com.mysql.cj.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:1817)
at com.mysql.cj.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:1673)
... 33 more
我在这里关注这个错误:
服务器时区值“AEST”无法识别或代表更多 超过一个时区。您必须配置服务器或 JDBC 驱动程序(通过 serverTimezone 配置属性)使用更多 如果您想利用时区支持,请指定特定时区值。
我不确定如何解决?
编辑:
打印出时区 (System.out.println(TimeZone.getDefault());) 打印以下详细信息:
sun.util.calendar.ZoneInfo[id="Australia/Melbourne",offset=36000000,dstSavings=3600000,useDaylight=true,transitions=142,lastRule=java.util.SimpleTimeZone[id=Australia/Melbourne,offset =36000000,dstSavings=3600000,useDaylight=true,startYear=0,startMode=3,startMonth=9,startDay=1,startDayOfWeek=1,startTime=7200000,startTimeMode=1,endMode=3,endMonth=3,endDay=1 ,endDayOfWeek=1,endTime=7200000,endTimeMode=1]]
编辑:
所以我查看了被标记的问题,并尝试更改我的连接字符串,但它仍然抛出相同的堆栈跟踪。以下是我的新连接网址。如您所见,我将 serverTimezone 更改为打印的 Timezone.getDefault()
jdbc:mysql://localhost:3306/parking_hib?useLegacyDatetimeCode=false;serverTimezone=Australia/Melbourne;useSSL=false;
【问题讨论】:
-
它是否可以与其他连接器(如 C oder ODBC)一起使用?
-
没试过?我将如何测试呢? @Michael-O
-
JDBC好像是最流行的?
-
例如,在 PHP 或 Windows ODBC 或 unixODBC 中。客户端和服务器上的
user.timezone(TimeZone.getDefault())属性是什么意思? -
您需要一个“真实”时区。 CEST(“中欧标准时间”)也是如此 - 在这里您必须决定欧洲/柏林或欧洲/巴黎等。对于 AEST,这似乎是澳大利亚/悉尼、澳大利亚/塔斯马尼亚或澳大利亚/维多利亚之一。
标签: java mysql hibernate maven