原因：org.hibernate.boot.registry.selector.spi.StrategySelectionException：名前を解決できません

Question

Tomcatサーバーを起動しようとすると、サーバーコンソールで次のエラーが表示されます。親切に私に問題の原因を教えてください。

Caused by: org.hibernate.boot.registry.selector.spi.StrategySelectionException: Unable to resolve name [org.hibernate.dialect.OracleDialect ] as strategy [org.hibernate.dialect.Dialect] 
at org.hibernate.boot.registry.selector.internal.StrategySelectorImpl.selectStrategyImplementor(StrategySelectorImpl.java:128) 
at org.hibernate.boot.registry.selector.internal.StrategySelectorImpl.resolveDefaultableStrategy(StrategySelectorImpl.java:155) 
at org.hibernate.boot.registry.selector.internal.StrategySelectorImpl.resolveStrategy(StrategySelectorImpl.java:136) 
at org.hibernate.engine.jdbc.dialect.internal.DialectFactoryImpl.constructDialect(DialectFactoryImpl.java:78) 
at org.hibernate.engine.jdbc.dialect.internal.DialectFactoryImpl.buildDialect(DialectFactoryImpl.java:68) 
at org.hibernate.engine.jdbc.internal.JdbcServicesImpl.configure(JdbcServicesImpl.java:205) 
at org.hibernate.boot.registry.internal.StandardServiceRegistryImpl.configureService(StandardServiceRegistryImpl.java:111) 
at org.hibernate.service.internal.AbstractServiceRegistryImpl.initializeService(AbstractServiceRegistryImpl.java:234) 
at org.hibernate.service.internal.AbstractServiceRegistryImpl.getService(AbstractServiceRegistryImpl.java:206) 
at org.hibernate.cfg.Configuration.buildTypeRegistrations(Configuration.java:1885) 
at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1843) 
at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1928) 
at org.springframework.orm.hibernate4.LocalSessionFactoryBuilder.buildSessionFactory(LocalSessionFactoryBuilder.java:372) 
at org.springframework.orm.hibernate4.LocalSessionFactoryBean.buildSessionFactory(LocalSessionFactoryBean.java:454) 
at org.springframework.orm.hibernate4.LocalSessionFactoryBean.afterPropertiesSet(LocalSessionFactoryBean.java:439) 
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1633) 
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1570) [org.hibernate.dialect.Dialect] 

Answer 1

にErrorMessageは最後に不審な余分なスペースことを含んでいますので：私はあなたの方言プロパティの末尾に余分なスペースがあることを野生の推測がかかります

Unable to resolve name [org.hibernate.dialect.OracleDialect ] 

。

ので

"org.hibernate.dialect.OracleDialect " 

を探し、それを変更します。

"org.hibernate.dialect.OracleDialect"