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Hibernate和Spring的新手。所以我在網上覆制並粘貼了一些配置，並自己完成了其餘的工作。JPA - 無法找到XML名稱空間的Spring NamespaceHandler [http://www.springframework.org/schema/data/jpa]
但是，當我嘗試啓動我的Jetty服務器時出現Spring錯誤。
無法找到春天NamespaceHandler XML模式命名空間[http://www.springframework.org/schema/data/jpa]
這是什麼意思？
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:jpa="http://www.springframework.org/schema/data/jpa"
xmlns:repository="http://www.springframework.org/schema/data/repository"
xmlns:tx="http://www.springframework.org/schema/tx"
xmlns:aop="http://www.springframework.org/schema/aop"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.0.xsd
http://www.springframework.org/schema/data/jpa http://www.springframework.org/schema/data/jpa/spring-jpa.xsd
http://www.springframework.org/schema/data/repository http://www.springframework.org/schema/data/repository/spring-repository.xsd
http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.0.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop.xsd">
<jpa:repositories base-package="com.testproject.testpackage.example1.repository"
transaction-manager-ref="example1TransactionManager"
entity-manager-factory-ref="example1EntityManagerFactory">
<repository:include-filter type="regex" expression=".*Repository"/>
</jpa:repositories>
<bean id="example1hikariConfig" class="com.zaxxer.hikari.HikariConfig">
<property name="poolName" value="example1Datasource"/>
<property name="connectiontestprojectQuery" value="SELECT 1"/>
<property name="dataSourceClassName" value="com.mysql.jdbc.jdbc2.optional.MysqlDataSource"/>
<property name="minimumIdle" value="5"/>
<property name="maximumPoolSize" value="40"/>
<property name="idleTimeout" value="2000"/>
<property name="dataSourceProperties">
<props>
<prop key="url">${db.url}</prop>
<prop key="user">${db.username}</prop>
<prop key="password">${db.password}</prop>
</props>
</property>
</bean>
<bean id="example1Datasource" class="com.zaxxer.hikari.HikariDataSource" destroy-method="close">
<constructor-arg ref="example1hikariConfig"/>
</bean>
<bean id="hibernate.properties" class="org.springframework.beans.factory.config.PropertiesFactoryBean">
<property name="properties">
<props>
<prop key="hibernate.hbm2ddl.auto">validate</prop>
<prop key="hibernate.show_sql">${hibernate.showSql}</prop>
<prop key="hibernate.format_sql">true</prop>
<prop key="hibernate.cache.use_query_cache">false</prop>
<prop key="hibernate.cache.use_second_level_cache">false</prop>
</props>
</property>
</bean>
<bean id="example1EntityManagerFactory" class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean">
<property name="persistenceUnitName" value="example1"/>
<property name="dataSource" ref="example1Datasource"/>
<property name="persistenceProviderClass" value="org.hibernate.jpa.HibernatePersistenceProvider"/>
<property name="jpaVendorAdapter">
<bean class="org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter"/>
</property>
<property name="packagesToScan">
<list>
<value>com.testproject.testpackage.example1.repository</value>
</list>
</property>
<property name="loadTimeWeaver">
<bean class="org.springframework.instrument.classloading.InstrumentationLoadTimeWeaver"/>
</property>
<property name="jpaPropertyMap" ref="hibernate.properties"/>
</bean>
<bean id="example1TransactionManager" class="org.springframework.orm.jpa.JpaTransactionManager">
<property name="entityManagerFactory" ref="example1EntityManagerFactory"/>
<qualifier value="example1"/>
</bean>
<!-- enable the configuration of transactional behavior based on annotations -->
<tx:annotation-driven/>
</beans>