java – Hibernate5 HHH000181:没有遇到合适的连接提供程序,假
发布时间:2020-12-15 02:18:14 所属栏目:Java 来源:网络整理
导读:我还没有编写任何代码,我只是尝试运行mvn hibernate5-ddl:gen-ddl将现有类转换为DDL. 什么可能导致警告ConnectionProviderInitiator – HHH000181:没有遇到合适的连接提供程序,假设应用程序将提供连接? 这是我的persistence.xml persistence persistence-
我还没有编写任何代码,我只是尝试运行mvn hibernate5-ddl:gen-ddl将现有类转换为DDL.
什么可能导致警告ConnectionProviderInitiator – HHH000181:没有遇到合适的连接提供程序,假设应用程序将提供连接? 这是我的persistence.xml <persistence> <persistence-unit name="manager1" transaction-type="RESOURCE_LOCAL"> <provider>org.hibernate.jpa.HibernatePersistenceProvider</provider> <properties> <property name="hibernate.ejb.cfgfile" value="/hibernate.cfg.xml"/> </properties> </persistence-unit> </persistence> 和hibernate.cfg.xml: <?xml version='1.0' encoding='utf-8'?> <!DOCTYPE hibernate-config PUBLIC "-//Hibernate/Hibernate Config DTD 3.1//EN" "http://www.hibernate.org/dtd/hibernate-config-3.1.dtd"> <hibernate-config> <session-factory> <!-- Database connection settings --> <property name="connection.driver_class">org.apache.derby.jdbc.EmbeddedDriver</property> <property name="connection.url">jdbc:derby:etrade;create=true</property> <property name="connection_userid">root</property> <property name="connection_pwd">root</property> <!-- JDBC connection pool (use the built-in) --> <property name="connection_pool_size">true</property> <property name="dialect">org.hibernate.DerbyDialect</property> <!-- Disable the second-level cache --> <property name="cache.provider_class">org.hibernate.NoCacheProvider</property> <!-- Echo all executed SQL to stdout --> <property name="show_sql">1</property> <!-- Drop and re-create the database schema on startup --> <property name="hbmdl.auto">update</property> <!-- Names the annotated entity class --> <mapping class="com.etrade.etws.market.OptionChainPair" /> </session-factory> </hibernate-configuration> 和pom.xml的底部: <build> <plugins> <plugin> <groupId>de.jpdigital</groupId> <artifactId>hibernate5-ddl-maven-plugin</artifactId> <version>1.0.1-hibernate-5.2.4.Final</version> <configuration> <dialects> <param>DERBY_10_7</param> </dialects> <packages> <param>com.etrade.etws.market</param> </packages> </configuration> </plugin> </plugins> </build> 这是控制台输出的最后几行.我选择只关注现在的第一个警告. [INFO] Found property hibernate.ejb.cfgfile = /hibernate.cfg.xml in persistence. xml INFO Version - HCANN000001: Hibernate Commons Annotations {5.0.1.Final} WARN ConnectionProviderInitiator - HHH000181: No appropriate connection provide r encountered,assuming application will be supplying connections WARN JdbcEnvironmentInitiator - HHH000342: Could not obtain connection to query metadata : The application must supply JDBC connections INFO Dialect - HHH000400: Using dialect: org.hibernate.dialect.DerbyTenSevenDia lect WARN DerbyDialect - HHH000328: Unable to load/access derby driver class sysinfo to check versions : org.apache.derby.tools.sysinfo INFO LobCreatorBuilderImpl - HHH000422: Disabling contextual LOB creation as co nnection was null INFO EnversServiceImpl - Envers integration enabled? : true INFO SchemaExport - HHH000227: Running hbm2ddl schema export INFO SchemaCreatorImpl - HHH000476: Executing import script 'org.hibernate.tool .schema.internal.exec.ScriptSourceInputNonExistentImpl@34cf294c' [INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 1.441 s [INFO] Finished at: 2017-02-02T13:11:35-08:00 [INFO] Final Memory: 13M/365M [INFO] ------------------------------------------------------------------------ 解决方法
你可能已经找到了解决它的方法,但你可以试试这个.我有一个类似的问题花了我一些时间,后来我发现我在配置中遗漏了一个重要的声明.
Configuration cfg = new Configuration() .**setProperties(database)** .addPackage("com.demo.pojo") .addAnnotatedClass(User.class) .addAnnotatedClass(Products.class); (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |