我正在開發Spring Boot Redis示例.在此示例中,我開發了一些自定義方法,這些方法基于RoleName提取詳細信息.對于以下方法userRepository.findByRole_RoleName(“ ADMIN”)或userRepository.findByMiddleNameContaining(“ Li”);,我們得到以下異常.

任何人都可以請提供程序的指針嗎？所有其他方法都可以正常工作.但是只是這種方法引起了問題.我將在下面發布所有必需的代碼以供參考.

錯誤：

java.lang.IllegalStateException: Failed to execute CommandLineRunner

at org.springframework.boot.SpringApplication.callRunner(SpringApplication.java:795)

at org.springframework.boot.SpringApplication.callRunners(SpringApplication.java:776)

at org.springframework.boot.SpringApplication.run(SpringApplication.java:315)

at org.springframework.boot.SpringApplication.run(SpringApplication.java:1242)

at org.springframework.boot.SpringApplication.run(SpringApplication.java:1230)

at com.baeldung.MainAppDemo.main(MainAppDemo.java:21)

Caused by: java.lang.IllegalArgumentException: CONTAINING (1): [IsContaining, Containing, Contains]is not supported for redis query derivation

at org.springframework.data.redis.repository.query.RedisQueryCreator.from(RedisQueryCreator.java:67)

at org.springframework.data.redis.repository.query.RedisQueryCreator.create(RedisQueryCreator.java:53)

at org.springframework.data.redis.repository.query.RedisQueryCreator.create(RedisQueryCreator.java:41)

at org.springframework.data.repository.query.parser.AbstractQueryCreator.createCriteria(AbstractQueryCreator.java:119)

at org.springframework.data.repository.query.parser.AbstractQueryCreator.createQuery(AbstractQueryCreator.java:95)

at org.springframework.data.repository.query.parser.AbstractQueryCreator.createQuery(AbstractQueryCreator.java:81)

at org.springframework.data.keyvalue.repository.query.KeyValuePartTreeQuery.createQuery(KeyValuePartTreeQuery.java:211)

at org.springframework.data.keyvalue.repository.query.KeyValuePartTreeQuery.prepareQuery(KeyValuePartTreeQuery.java:148)

at org.springframework.data.keyvalue.repository.query.KeyValuePartTreeQuery.execute(KeyValuePartTreeQuery.java:106)

at org.springframework.data.repository.core.support.RepositoryFactorySupport$QueryExecutorMethodInterceptor.doInvoke(RepositoryFactorySupport.java:602)

at org.springframework.data.repository.core.support.RepositoryFactorySupport$QueryExecutorMethodInterceptor.invoke(RepositoryFactorySupport.java:590)

at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:185)

at org.springframework.data.projection.DefaultMethodInvokingMethodInterceptor.invoke(DefaultMethodInvokingMethodInterceptor.java:59)

at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:185)

at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:92)

at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:185)

at org.springframework.data.repository.core.support.SurroundingTransactionDetectorMethodInterceptor.invoke(SurroundingTransactionDetectorMethodInterceptor.java:61)

at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:185)

at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:212)

at com.sun.proxy.$Proxy65.findByMiddleNameContains(Unknown Source)

at com.baeldung.MainAppDemo.run(MainAppDemo.java:38)

at org.springframework.boot.SpringApplication.callRunner(SpringApplication.java:792)

... 5 common frames omitted

2018-11-04 00:27:29,639 INFO [main] org.springframework.context.support.AbstractApplicationContext: Closing org.springframework.boot.web.servlet.context.AnnotationConfigServletWebServerApplicationContext@6f96c77: startup date [Sun Nov 04 00:27:26 IST 2018]; root of context hierarchy

2018-11-04 00:27:29,645 INFO [main] org.springframework.jmx.export.MBeanExporter: Unregistering JMX-exposed beans on shutdown

User.java

@Data

@Builder

@AllArgsConstructor

@NoArgsConstructor

@RedisHash("user")

public class User {

private @Id String id;

private @Indexed String firstName;

private @Indexed String middleName;

private @Indexed String lastName;

private Role role;

}

Role.java

@Data

@Builder

@AllArgsConstructor

@NoArgsConstructor

@RedisHash("Role")

public class Role {

private @Id String id;

private @Indexed String roleName;

}

UserRepository.java

public interface UserRepository extends CrudRepository{

List findByFirstNameAndLastName(String firstName, String lastName);

List findByMiddleNameContains(String firstName);

List findByRole_RoleName(String roleName);

}

MainAppDemo.java

@SpringBootApplication

public class MainAppDemo implements CommandLineRunner{

@Autowired

private UserRepository userRepository;

public static void main(String[] args) {

SpringApplication.run(MainAppDemo.class, args);

}

@Override

public void run(String... args) throws Exception {

Role role1 = Role.builder().id("R1").roleName("ADMIN").build();

User user1 = User.builder().firstName("Matt").middleName("Mike").lastName("Wixson").role(role1).build();

Role role2 = Role.builder().id("R2").roleName("API").build();

User user2 = User.builder().firstName("John").middleName("Lima").lastName("Kerr").role(role2).build();

userRepository.save(user1);

userRepository.save(user2);

List u = userRepository.findByFirstNameAndLastName("Matt", "Wixson");

System.out.println("Find By First Name and Last Name = "+u.toString());

List u2 = userRepository.findByMiddleNameContains("Li");

System.out.println("Contains ="+u2);

List adminUser = userRepository.findByRole_RoleName("ADMIN");

System.out.println("ADMIN USER ="+adminUser);

}

}

更新：

我開發了這樣的查詢并從main方法調用,但仍然遇到相同的錯誤.請提出可行的解決方案.

@Query("SELECT u FROM User u WHERE u.middleName LIKE :middleName ")

List findByMiddleNameContaining(@Param("middleName") String middleName);

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