Spring不支持的major.minor版本51.0
Spring不支持的major.minor版本51.0
提问于 2015-03-25 17:43:06
我在Tomcat 6服务器上部署了一个Spring应用程序，它返回以下错误
org.springframework.beans.factory.BeanCreationException: Error creating bean
with name 'entityManagerFactory' defined in class path resource [com/myApp/PersistenceJPAConfig.class]:
Invocation of init method failed; nested exception is
java.lang.UnsupportedClassVersionError:
javax/transaction/SystemException :
Unsupported major.minor version 51.0 (unable to load class javax.transaction.SystemException)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1566)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:539)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:476)
at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:303)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)我知道这意味着“您不能在这个容器上运行用JRE 1.7编译的应用程序”，但是我的项目确实是用JRE 1.6运行时编译的，并且我已经在我自己的Tomcat 6容器上本地测试了应用程序，没有问题。
我遵循这里的说明，使我的应用程序Servlet-2.5兼容：http://docs.spring.io/spring-boot/docs/current/reference/html/howto-traditional-deployment.html
下面是我的PersistenceConfig.xml LocalEntityManager配置，它与错误一起返回：
@Configuration
@EnableTransactionManagement
@EnableJpaRepositories("com.myapp.repositories")
@PropertySource("classpath:application.properties")
public class PersistenceJPAConfig{
@Autowired
private Environment environment;
@Bean
public LocalContainerEntityManagerFactoryBean entityManagerFactory() {
LocalContainerEntityManagerFactoryBean em = new LocalContainerEntityManagerFactoryBean();
em.setDataSource(dataSource());
em.setPackagesToScan(new String[] { "com.myapp" });
JpaVendorAdapter vendorAdapter = new HibernateJpaVendorAdapter();
em.setJpaVendorAdapter(vendorAdapter);
em.setJpaProperties(additionalProperties());
return em;
}和我的pom.xml依赖关系
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>1.2.2.RELEASE</version>
</parent>
<dependencies>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-jpa</artifactId>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-web</artifactId>
</dependency>
<dependency>
<groupId>commons-fileupload</groupId>
<artifactId>commons-fileupload</artifactId>
<version>1.3.1</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-batch</artifactId>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>jstl</groupId>
<artifactId>jstl</artifactId>
<version>1.2</version>
</dependency>
<dependency>
<groupId>net.sourceforge.jtds</groupId>
<artifactId>jtds</artifactId>
<version>1.2.4</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.jaxrs</groupId>
<artifactId>jackson-jaxrs-json-provider</artifactId>
<version>2.5.1</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-test</artifactId>
</dependency>
<dependency>
<groupId>org.dbunit</groupId>
<artifactId>dbunit</artifactId>
<version>2.5.0</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-legacy</artifactId>
<version>1.0.1.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-tomcat</artifactId>
<scope>provided</scope>
</dependency>
</dependencies>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
</properties>
<build>
<plugins>
<!-- <plugin> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-maven-plugin</artifactId>
<configuration> <failOnMissingWebXml>false</failOnMissingWebXml> </configuration>
<executions> <execution> <goals> <goal>repackage</goal> </goals> </execution>
</executions> </plugin> -->
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<configuration>
<source>1.6</source>
<target>1.6</target>
</configuration>
</plugin>
</plugins>
</build>以下是项目方面
构建路径
在本地服务器和部署打包的war文件之间可能有什么东西我忽略了吗？我不明白为什么我的项目保留任何1.7依赖项。
回答 1
Stack Overflow用户
回答已采纳
发布于 2015-03-25 18:34:21
参见Spring问题#2347 : javax.transaction:javax.transaction-api-1.2与Java6不兼容和关于Java 6上使用的Spring文档。
您正在部署的jboss-transaction-api_1.2_spec-1.0.0.FINAL.jar文件可能同时包含javax.transaction-api-1.2.jar (包含Java7编译的类文件)和.war (包含Java6编译的类文件)，因为引用的问题#2347。首先加载这两个.jar文件中的哪个文件可能是特定于环境的，这可能解释了为什么在本地得到不同的结果？
如果正在发生这种情况，那么为非JBoss依赖项添加一个排除项可能会为您解决这个问题。
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原文链接：
https://stackoverflow.com/questions/29262788
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