春天-TX:无法找到春天NamespaceHandler XML模式命名空间[http://www.springframework.org/schema/tx]
为什么我仍然得到呢?春天-TX:无法找到春天NamespaceHandler XML模式命名空间[http://www.springframework.org/schema/tx]
Exception in thread "main" org.springframework.beans.factory.parsing.BeanDefinitionParsingException: Configuration problem: Failed to import bean definitions from relative location [../beans/Character.xml] Offending resource: class path resource [spring/config/beanLocations.xml]; nested exception is org.springframework.beans.factory.parsing.BeanDefinitionParsingException: Configuration problem: Unable to locate Spring NamespaceHandler for XML schema namespace [http://www.springframework.org/schema/tx]
Offending resource: class path resource [spring/beans/Character.xml]
at org.springframework.beans.factory.parsing.FailFastProblemReporter.error(FailFastProblemReporter.java:72)
我读过许多文章中针对此问题,配置为根据他们我的XML-S。
我的问题的XML看起来像这样:
<beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:tx="http://www.springframework.org/schema/tx"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx.xsd">
<!-- Character Data Access Object -->
<bean id="characterDao" class="com.got.common.dao.CharacterDao" >
<property name="sessionFactory" ref="sessionFactory"/>
</bean>
<tx:annotation-driven/>
<bean id="transactionManager" class="org.springframework.orm.hibernate5.HibernateTransactionManager">
<property name="sessionFactory" ref="sessionFactory"/>
</bean>
</beans>
春-TX包括在我的pom.xml:
<dependency> <groupId>org.springframework</groupId>
<artifactId>spring-tx</artifactId>
<version>5.0.2.RELEASE</version>
</dependency>
beanLocations.xml
<beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx.xsd">
<!-- Database Configuration -->
<import resource="../database/DataSource.xml"/>
<import resource="../database/hibernate.xml"/>
<!-- Beans Declaration -->
<import resource="../beans/Character.xml"/>
</beans>
组装插件
<build> <plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-assembly-plugin</artifactId>
<version>3.1.0</version>
<executions>
<execution>
<phase>package</phase>
<goals>
<goal>single</goal>
</goals>
</execution>
</executions>
<configuration>
<descriptorRefs>
<descriptorRef>jar-with-dependencies</descriptorRef>
</descriptorRefs>
<archive>
<manifest>
<addClasspath>true</addClasspath>
<classpathPrefix>lib/</classpathPrefix>
<mainClass>com.got.common.App</mainClass>
</manifest>
</archive>
</configuration>
</plugin>
</plugins>
</build>
我不知道该AOP必须被包括在内,但它的存在。 这个命名空间有什么问题?我想停止拉我的头发,所以请告诉我这个命名空间无法找到的原因。
回答:
的问题可能是由您的使用汇编插件,它不明白春天处理机制,并覆盖在spring.handlers
文件处理程序定义造成的。行为在这个线程中讨论:Idea to avoid that spring.handlers/spring.schemas get overwritten when merging multiple spring dependencies in a single jar
为了避免这个问题,一个选项是使用阴影插件为您的目的,如建议here。
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