我已经阅读了一些关于让hbm2ddl工作的帖子one。运行mvn hibernate3:hbm2ddl
No suitable driver found for jdbc。我在pom.xml中有mysql connector作为依赖项。这是完整的maven输出
[INFO] <<< hibernate3-maven-plugin:2.2:hbm2ddl (default-cli) @ reverse-engineer-mvn-hibernate <<<
[INFO]
[INFO] --- hibernate3-maven-plugin:2.2:hbm2ddl (default-cli) @ reverse-engineer-mvn-hibernate ---
15:28:26,664 INFO org.hibernate.cfg.Environment - Hibernate 3.3.1.GA
15:28:26,668 INFO org.hibernate.cfg.Environment - loaded properties from resource hibernate.properties: {hibernate.connection.username=demouser, hibernate.connection.password=****, hibernate.dialect=org.hibernate.dialect.MySQL5InnoDBDialect, hibernate.connection.url=jdbc:mysql://localhost:3306/mylocaldb, hibernate.bytecode.use_reflection_optimizer=false, hibernate.connection.driver_class=com.mysql.jdbc.Driver}
15:28:26,671 INFO org.hibernate.cfg.Environment - Bytecode provider name : javassist
15:28:26,676 INFO org.hibernate.cfg.Environment - using JDK 1.4 java.sql.Timestamp handling
[INFO] No hibernate configuration file loaded.
[INFO] No hibernate properties file loaded.
15:28:26,754 INFO org.hibernate.dialect.Dialect - Using dialect: org.hibernate.dialect.MySQL5InnoDBDialect
15:28:26,795 INFO org.hibernate.tool.hbm2ddl.SchemaExport - Running hbm2ddl schema export
15:28:26,798 INFO org.hibernate.tool.hbm2ddl.SchemaExport - exporting generated schema to database
15:28:26,801 INFO org.hibernate.connection.DriverManagerConnectionProvider - Using Hibernate built-in connection pool (not for production use!)
15:28:26,801 INFO org.hibernate.connection.DriverManagerConnectionProvider - Hibernate connection pool size: 20
15:28:26,801 INFO org.hibernate.connection.DriverManagerConnectionProvider - autocommit mode: false
15:28:26,804 INFO org.hibernate.connection.DriverManagerConnectionProvider - using driver: com.mysql.jdbc.Driver at URL: jdbc:mysql://localhost:3306/mylocaldb
15:28:26,805 INFO org.hibernate.connection.DriverManagerConnectionProvider - connection properties: {user=demouser, password=****}
15:28:26,812 ERROR org.hibernate.tool.hbm2ddl.SchemaExport - schema export unsuccessful
java.sql.SQLException: No suitable driver found for jdbc:mysql://localhost:3306/mylocaldb
at java.sql.DriverManager.getConnection(DriverManager.java:596)
at java.sql.DriverManager.getConnection(DriverManager.java:187)
at org.hibernate.connection.DriverManagerConnectionProvider.getConnection(DriverManagerConnectionProvider.java:133)
at org.hibernate.tool.hbm2ddl.ManagedProviderConnectionHelper.prepare(ManagedProviderConnectionHelper.java:52)
at org.hibernate.tool.hbm2ddl.SchemaExport.execute(SchemaExport.java:252)
at org.codehaus.mojo.hibernate3.exporter.Hbm2DDLExporterMojo.doExecute(Hbm2DDLExporterMojo.java:116)
at org.codehaus.mojo.hibernate3.HibernateExporterMojo.execute(HibernateExporterMojo.java:152)
at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:101)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:209)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145)
at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:84)
at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:59)
at org.apache.maven.lifecycle.internal.LifecycleStarter.singleThreadedBuild(LifecycleStarter.java:183)
at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:161)
at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:320)
at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:156)
at org.apache.maven.cli.MavenCli.execute(MavenCli.java:537)
at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:196)
at org.apache.maven.cli.MavenCli.main(MavenCli.java:141)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:290)
at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:230)
at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:409)
at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:352)
[WARNING] 1 errors occurred while performing <hbm2ddl>.
[ERROR] Error #1: java.sql.SQLException: No suitable driver found for jdbc:mysql://localhost:3306/mylocaldb
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 1.850s
[INFO] Finished at: Tue Apr 14 15:28:26 PDT 2015
[INFO] Final Memory: 6M/156M
[INFO] -----
以下是pom.xml
<dependencies>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>3.8.1</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.hibernate.javax.persistence</groupId>
<artifactId>hibernate-jpa-2.0-api</artifactId>
<version>1.0.0.Final</version>
</dependency>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-core</artifactId>
<version>3.3.2.GA_CP04</version>
</dependency>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-entitymanager</artifactId>
<version>3.4.0.GA_CP04</version>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.22</version>
</dependency>
</dependencies>
<build>
<pluginManagement>
<plugins>
<plugin>
<groupId>org.eclipse.m2e</groupId>
<artifactId>lifecycle-mapping</artifactId>
<version>1.0.0</version>
<configuration>
<lifecycleMappingMetadata>
<pluginExecutions>
<pluginExecution>
<pluginExecutionFilter>
<groupId>
org.codehaus.mojo
</groupId>
<artifactId>
hibernate3-maven-plugin
</artifactId>
<versionRange>
[2.1,)
</versionRange>
<goals>
<goal>hbm2ddl</goal>
</goals>
</pluginExecutionFilter>
<action>
<ignore></ignore>
</action>
</pluginExecution>
</pluginExecutions>
</lifecycleMappingMetadata>
</configuration>
</plugin>
</plugins>
</pluginManagement>
<plugins>
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>hibernate3-maven-plugin</artifactId>
<version>2.2</version>
<executions>
<execution>
<id>generateDDLi</id>
<phase>process-classes</phase>
<goals>
<goal>hbm2ddl</goal>
</goals>
<configuration>
<components>
<component>
<name>hbm2ddl</name>
<outputDirectory>target/common/ddl</outputDirectory>
<implementation>jpaconfiguration</implementation>
</component>
</components>
<componentProperties>
<persistenceunit>my_persistence</persistenceunit>
<drop>false</drop>
<create>true</create>
<export>false</export>
<delimiter>;</delimiter>
<outputfilename>ddlscripts.sql</outputfilename>
<format>true</format>
</componentProperties>
</configuration>
</execution>
</executions>
hibernate.properties：
hibernate.connection.driver_class=com.mysql.jdbc.Driver
hibernate.connection.url=jdbc:mysql://localhost:3306/mylocaldb
hibernate.connection.username=demouser
hibernate.connection.password=demo
hibernate.dialect=org.hibernate.dialect.MySQL5InnoDBDialect
的persistence.xml
<?xml version="1.0" encoding="UTF-8"?>
<persistence xmlns="http://java.sun.com/xml/ns/persistence"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/persistence http://java.sun.com/xml/ns/persistence/persistence_1_0.xsd"
version="1.0">
<persistence-unit name="my_persistence" transaction-type="JTA">
<provider>org.hibernate.ejb.HibernatePersistence</provider>
<jta-data-source>java:/MySqlDS</jta-data-source>
</persistence-unit>
</persistence>
答案 0 :(得分：0)
将hibernate.properties复制/重命名为src/main/java/database.properties。