[英]Spring boot "no transaction is in progress" with 2 datasources
我有兩個數據庫,我正在嘗試將一些記錄保存到服務方法中。
這給了我錯誤: org.springframework.dao.InvalidDataAccessApiUsageException: no transaction is in progress; nested exception is javax.persistence.TransactionRequiredException: no transaction is in progress
org.springframework.dao.InvalidDataAccessApiUsageException: no transaction is in progress; nested exception is javax.persistence.TransactionRequiredException: no transaction is in progress
。
這是實體:
@Entity
@Getter
@Setter
@AllArgsConstructor
@NoArgsConstructor
@Table(name = "TABLE_NAME")
public class SomeEntity {
@GeneratedValue(strategy = GenerationType.SEQUENCE, generator = "seq_generator")
@SequenceGenerator(name = "seq_generator", sequenceName = "SEQ_ID", allocationSize = 1)
@Id
@Column(name = "ID", nullable = false)
private Long id;
@Column(name = "SOME_STR", nullable = false)
private String someStr;
@Column(name = "SOME_INT", nullable = false)
private Integer someInt;
public SomeEntity(String someStr, Integer someInt) {
this.someStr = someStr;
this.someInt = someInt;
}
}
@Entity
@Getter
@Setter
@AllArgsConstructor
@NoArgsConstructor
@Table(name = "TABLE_NAME")
public class SomeEntityHist {
@Id
@Column(name = "ID", nullable = false)
private Long id;
@Column(name = "SOME_STR", nullable = false)
private String someStr;
@Column(name = "SOME_INT", nullable = false)
private Integer someInt;
}
這是多個數據庫連接的配置文件之一:
@Configuration
@EnableTransactionManagement
@EnableJpaRepositories(
entityManagerFactoryRef = "realEntityManager",
basePackages = {"com.some.project.files.repository.real"}
)
@RequiredArgsConstructor
@Log4j2
@AutoConfigureOrder(1)
public class RealDatasourceConfig {
private final Environment env;
@Primary
@Bean
public DataSource realDataSource() throws SQLException {
HikariDataSource hikariDataSource = new HikariDataSource();
hikariDataSource.setDriverClassName(Objects.requireNonNullElse(env.getProperty("real.driver-class-name"), "oracle.jdbc.OracleDriver"));
hikariDataSource.setJdbcUrl(env.getProperty("real.db-url"));
hikariDataSource.setUsername(env.getProperty("real.username"));
hikariDataSource.setPassword(env.getProperty("real.password"));
hikariDataSource.setMinimumIdle(Integer.parseInt(Objects.requireNonNullElse(env.getProperty("real.minPoolSize"), "1")));
hikariDataSource.setMaximumPoolSize(Integer.parseInt(Objects.requireNonNullElse(env.getProperty("real.maxPoolSize"), "10")));
Properties props = new Properties();
props.setProperty("maxStatements", env.getProperty("real.maxStatements", "300"));
hikariDataSource.setDataSourceProperties(props);
hikariDataSource.setPoolName(env.getProperty("real.pool-name"));
hikariDataSource.setConnectionTestQuery(env.getProperty("real.connection-test-query"));
return hikariDataSource;
}
@Primary
@Bean
public LocalContainerEntityManagerFactoryBean realEntityManager(EntityManagerFactoryBuilder builder) throws SQLException {
return builder
.dataSource(realDataSource())
.packages("com.some.project.files.entity.real")
.persistenceUnit("real")
.build();
}
@Primary
@Bean(name = "transactionManager")
public JpaTransactionManager realTransactionManager(EntityManagerFactory realEntityManager) {
return new JpaTransactionManager(realEntityManager);
}
}
這是另一個:
@Configuration
@EnableTransactionManagement
@EnableJpaRepositories(
entityManagerFactoryRef = "histEntityManager",
basePackages = {"com.some.project.files.repository.hist"}
)
@RequiredArgsConstructor
@Log4j2
@AutoConfigureOrder(3)
public class HistDatasourceConfig {
private final Environment env;
@Bean
public DataSource histDataSource() throws SQLException {
HikariDataSource hikariDataSource = new HikariDataSource();
hikariDataSource.setDriverClassName(Objects.requireNonNullElse(env.getProperty("hist.driver-class-name"), "oracle.jdbc.OracleDriver"));
hikariDataSource.setJdbcUrl(env.getProperty("hist.jdbc-url"));
hikariDataSource.setUsername(env.getProperty("hist.username"));
hikariDataSource.setPassword(env.getProperty("hist.password"));
hikariDataSource.setMinimumIdle(Integer.parseInt(Objects.requireNonNullElse(env.getProperty("hist.minPoolSize"), "1")));
hikariDataSource.setMaximumPoolSize(Integer.parseInt(Objects.requireNonNullElse(env.getProperty("hist.maxPoolSize"), "10")));
Properties props = new Properties();
props.setProperty("maxStatements", env.getProperty("hist.maxStatements", "300"));
hikariDataSource.setDataSourceProperties(props);
hikariDataSource.setPoolName(env.getProperty("hist.pool-name"));
hikariDataSource.setConnectionTestQuery(env.getProperty("hist.connection-test-query"));
return hikariDataSource;
}
@Bean("histEntityManager")
public LocalContainerEntityManagerFactoryBean histEntityManager(EntityManagerFactoryBuilder builder) throws SQLException {
return builder
.dataSource(histDataSource())
.packages("com.some.project.files.entity.hist")
.persistenceUnit("hist")
.build();
}
@Bean
public JpaTransactionManager histTransactionManager(EntityManagerFactory histEntityManager) {
return new JpaTransactionManager(histEntityManager);
}
}
問題在於組織實體。 如果我只保存另一個它會保存。
但是,如果我嘗試像這樣保存 hist 實體:
@Override
@Transactional
public void someMethod() {
SomeEntity entity = new SomeEntity("abc", 123);
SomeRepository.save(entity);
SomeEntityHist entityHist = new SomeEntityHist(1L, "abc", 123);
SomeRepositoryHist.save(entityHist);
}
它保存第一個,但不保存歷史記錄,當我查看日志時,它只是調用 select 查詢而不插入。
如果我嘗試使用saveAndFlush
方法保存 hist 實體,則會出現錯誤。
我能做些什么的原因是什么。 是關於配置文件的嗎?
您使用@Transactional
注釋該方法,在后台 Spring 使用@Primary
事務管理器打開一個事務,在您的情況下是名為"transactionManager"
的 bean,對應於"realDataSource"
。 在這個階段,只為第一個數據庫打開了一個事務,而不是為您的歷史數據庫打開了一個事務,這就是您收到此錯誤的原因。
如果你想為你的第二個數據源打開一個事務,你必須 select 對應的事務管理器@Transactional(transactionManager = "histTransactionManager")
由於您不能使用不同的@Transactional
注釋兩次相同的方法,因此您可以研究像 Atomikos 這樣的分布式事務的解決方案。 Spring 曾經提供自己的解決方案ChainedTransactionManager ,現在已棄用。
如果可能的話,另一個解決方案是擺脫第二個數據源。
您的方法調用來自哪里? 您可以分享在您提供的示例之前執行的所有代碼嗎? 例如,調度程序沒有 SessionContext。 你有什么理由不使用自動配置的數據源嗎? 這通常更容易。 我猜你不見了
@EnableJpaRepositories(
entityManagerFactoryRef = "realEntityManager",
basePackages = {"com.some.project.files.repository.real"}
transactionManagerRef = "__yourTransactionManagerReference__" <--- you are probably missing this
)
我也不確定,但我認為你需要一個“PlatformTransactionManager”而不是一個簡單的事務管理器。 您可能會從https://www.baeldung.com/spring-boot-configure-multiple-datasources獲得有用的信息。 你用的是什么 Spring-Boot 版本?
@Airy 和 @GJohannes 發布的兩個答案都指出了我缺少的部分,但我還需要添加一件事: @Qualifier("histEntityManager")
這是對我有用的最終配置文件:
@Configuration
@EnableTransactionManagement
@EnableJpaRepositories(
entityManagerFactoryRef = "histEntityManager",
transactionManagerRef = "histTransactionManager",
basePackages = {"com.some.project.files.repository.hist"}
)
@RequiredArgsConstructor
@Log4j2
@AutoConfigureOrder(3)
public class HistDatasourceConfig {
private final Environment env;
@Bean
public DataSource histDataSource() throws SQLException {
HikariDataSource hikariDataSource = new HikariDataSource();
hikariDataSource.setDriverClassName(Objects.requireNonNullElse(env.getProperty("hist.driver-class-name"), "oracle.jdbc.OracleDriver"));
hikariDataSource.setJdbcUrl(env.getProperty("hist.jdbc-url"));
hikariDataSource.setUsername(env.getProperty("hist.username"));
hikariDataSource.setPassword(env.getProperty("hist.password"));
hikariDataSource.setMinimumIdle(Integer.parseInt(Objects.requireNonNullElse(env.getProperty("hist.minPoolSize"), "1")));
hikariDataSource.setMaximumPoolSize(Integer.parseInt(Objects.requireNonNullElse(env.getProperty("hist.maxPoolSize"), "10")));
Properties props = new Properties();
props.setProperty("maxStatements", env.getProperty("hist.maxStatements", "300"));
hikariDataSource.setDataSourceProperties(props);
hikariDataSource.setPoolName(env.getProperty("hist.pool-name"));
hikariDataSource.setConnectionTestQuery(env.getProperty("hist.connection-test-query"));
return hikariDataSource;
}
@Bean("histEntityManager")
public LocalContainerEntityManagerFactoryBean histEntityManager(EntityManagerFactoryBuilder builder) throws SQLException {
return builder
.dataSource(histDataSource())
.packages("com.some.project.files.entity.hist")
.persistenceUnit("hist")
.build();
}
@Bean
public JpaTransactionManager histTransactionManager(@Qualifier("histEntityManager") EntityManagerFactory histEntityManager) {
return new JpaTransactionManager(histEntityManager);
}
}
當然,我正在添加@Transactional(transactionManager = "histTransactionManager")
。
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