[英]Spring 4 @Scheduled Task is executing task twice
我正在尝试每隔X秒执行一些任务,但是该任务按时运行。 我使用的是Spring 4.2.5-最新版本(我在4.05中尝试了相同的结果)
@Service
@Transactional
@EnableScheduling
public class PaymentServices {
@Autowired
private MMTransactionDAO mmTransactionDAO;
@Scheduled(fixedDelay=230000)
public void getListOfPenddingTransactions() throws MambuApiException {
System.out.println("JOB Started");
List<MMPayTransaction> listOfPenddingTransaction = mmTransactionDAO.getListOfPenddingTransaction();
for(MMPayTransaction transaction : listOfPenddingTransaction){
if (transaction.getErrorcode().equals("-6")){
cancelTransactionInMambu(transaction.getMambuClientID(),transaction.getPaymentAmount(),transaction.getFeeAmount());
transaction.setFinalStatus(TansactionStatus.FAILED);
}else if(transaction.getErrorcode().equals("-21")){
cancelTransactionInMambu(transaction.getMambuClientID(),transaction.getPaymentAmount(),transaction.getFeeAmount());
transaction.setFinalStatus(TansactionStatus.FAILED);
}else if(transaction.getErrorcode().equals("-18")){
cancelTransactionInMambu(transaction.getMambuClientID(),transaction.getPaymentAmount(),transaction.getFeeAmount());
transaction.setFinalStatus(TansactionStatus.FAILED);
}else if (transaction.getErrorcode().equals("-37")){
cancelTransactionInMambu(transaction.getMambuClientID(),transaction.getPaymentAmount(),transaction.getFeeAmount());
transaction.setFinalStatus(TansactionStatus.FAILED);
}
else{
check(transaction.getOperationID());
}
}
}
}
这是我的web.xml
<web-app version="2.4"
xmlns="http://java.sun.com/xml/ns/j2ee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee
http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">
<display-name>Spring MVC Application</display-name>
<servlet>
<servlet-name>mvc-dispatcher</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>mvc-dispatcher</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
<filter>
<filter-name>CharacterEncodingFilter</filter-name>
<filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
<init-param>
<param-name>encoding</param-name>
<param-value>UTF-8</param-value>
</init-param>
<init-param>
<param-name>forceEncoding</param-name>
<param-value>true</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>CharacterEncodingFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<filter>
<filter-name>encodingFilter</filter-name>
<filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
<init-param>
<param-name>encoding</param-name>
<param-value>UTF-8</param-value>
</init-param>
<init-param>
<param-name>forceEncoding</param-name>
<param-value>true</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>encodingFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
更新
这是我的应用程序配置清单:
@EnableWebMvc
@Configuration
@ComponentScan({"ge.kapi.*"})
@EnableTransactionManagement
public class AppConfig extends WebMvcConfigurerAdapter {
@Bean
public LocalContainerEntityManagerFactoryBean entityManagerFactory()
{
LocalContainerEntityManagerFactoryBean factory = new LocalContainerEntityManagerFactoryBean();
HibernateJpaVendorAdapter vendorAdapter = new HibernateJpaVendorAdapter();
vendorAdapter.setGenerateDdl(Boolean.TRUE);
vendorAdapter.setShowSql(Boolean.TRUE);
factory.setDataSource(dataSource());
factory.setJpaVendorAdapter(vendorAdapter);
factory.setPackagesToScan("ge.kapi");
Properties jpaProperties = getHibernateProperties();
factory.setJpaProperties(jpaProperties);
factory.afterPropertiesSet();
factory.setLoadTimeWeaver(new InstrumentationLoadTimeWeaver());
return factory;
}
private Properties getHibernateProperties() {
Properties prop = new Properties();
prop.put("hibernate.show_sql", "true");
prop.put("hibernate.dialect","ge.kapi.config.SQLServerUnicodeDialect");
return prop;
}
@Bean(name = "dataSource")
public BasicDataSource dataSource() {
BasicDataSource ds = new BasicDataSource();
ds.setDriverClassName("com.microsoft.sqlserver.jdbc.SQLServerDriver");
ds.setUrl("jdbc:sqlserver://host;useUnicode=true;characterEncoding=UTF-8;DatabaseName=Base");
ds.setUsername("user");
ds.setPassword("pass");
return ds;
}
@Bean
public StringHttpMessageConverter stringHttpMessageConverter() {
return new StringHttpMessageConverter(Charset.forName("UTF-8"));
}
@Bean
public PlatformTransactionManager transactionManager()
{
EntityManagerFactory factory = entityManagerFactory().getObject();
return new JpaTransactionManager(factory);
}
@Bean
public InternalResourceViewResolver viewResolver() {
InternalResourceViewResolver viewResolver
= new InternalResourceViewResolver();
viewResolver.setViewClass(JstlView.class);
viewResolver.setContentType("text/html; charset=UTF-8");
viewResolver.setPrefix("/WEB-INF/views/");
viewResolver.setSuffix(".jsp");
return viewResolver;
}
@Override
public void addResourceHandlers(ResourceHandlerRegistry registry) {
registry.addResourceHandler("/resources/**").addResourceLocations("/resources/");
}
}
为什么每次都运行两次TWICE?
提前致谢
-找到解决方案-
我已从AppConfig.java中删除@ComponentScan({“ ge.kapi。*”}),因为此扫描也是从mvc-dispatcher-servlet.xml启动的,如下所示:
<context:component-scan base-package="ge.kapi"/>
现在,约伯只开始一个。
谢谢大家为我提供的时间!!!
我建议您检查是否两次创建了该bean。 如果您有2个应用程序上下文(root和dispatcher),则可能会发生这种情况。
检查是否已在xml中声明bean并通过注释声明。
而且,如果您的应用程序中具有spring安全配置,则将DispatcherServlet
中的mvc-dispatcher.xml声明保留在上下文加载器侦听器中,并将spring-security.xml
保留在上下文加载器侦听器中。
否则,如果在这种情况下将两个xml与DispatcherServlet
一起保留,则将创建两个对象,这就是为什么调度程序将被调用两次的原因。
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