[英]Spring 4 @Scheduled Task is executing task twice
我正在嘗試每隔X秒執行一些任務,但是該任務按時運行。 我使用的是Spring 4.2.5-最新版本(我在4.05中嘗試了相同的結果)
@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());
}
}
}
}
這是我的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
這是我的應用程序配置清單:
@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/");
}
}
為什么每次都運行兩次TWICE?
提前致謝
-找到解決方案-
我已從AppConfig.java中刪除@ComponentScan({“ ge.kapi。*”}),因為此掃描也是從mvc-dispatcher-servlet.xml啟動的,如下所示:
<context:component-scan base-package="ge.kapi"/>
現在,約伯只開始一個。
謝謝大家為我提供的時間!!!
我建議您檢查是否兩次創建了該bean。 如果您有2個應用程序上下文(root和dispatcher),則可能會發生這種情況。
檢查是否已在xml中聲明bean並通過注釋聲明。
而且,如果您的應用程序中具有spring安全配置,則將DispatcherServlet
中的mvc-dispatcher.xml聲明保留在上下文加載器偵聽器中,並將spring-security.xml
保留在上下文加載器偵聽器中。
否則,如果在這種情況下將兩個xml與DispatcherServlet
一起保留,則將創建兩個對象,這就是為什么調度程序將被調用兩次的原因。
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