SpringBoot No matching TransactionManager bean found for qualifier 'reactiveTransactionManager' - neither qualifier match nor bean name match!

The following error occurred when I used springboot (2.4.2) to connect neo4j:

org.springframework.beans.factory.NoSuchBeanDefinitionException: No bean named 'reactiveTransactionManager' available: No matching TransactionManager bean found for qualifier 'reactiveTransactionManager' - neither qualifier match nor bean name match!
    at org.springframework.beans.factory.annotation.BeanFactoryAnnotationUtils.qualifiedBeanOfType(BeanFactoryAnnotationUtils.java:136) ~[spring-beans-5.3.3.jar:5.3.3]
    at org.springframework.beans.factory.annotation.BeanFactoryAnnotationUtils.qualifiedBeanOfType(BeanFactoryAnnotationUtils.java:95) ~[spring-beans-5.3.3.jar:5.3.3]
    at org.springframework.transaction.interceptor.TransactionAspectSupport.determineQualifiedTransactionManager(TransactionAspectSupport.java:515) ~[spring-tx-5.3.3.jar:5.3.3]
    at org.springframework.transaction.interceptor.TransactionAspectSupport.determineTransactionManager(TransactionAspectSupport.java:496) ~[spring-tx-5.3.3.jar:5.3.3]
    at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:342) ~[spring-tx-5.3.3.jar:5.3.3]
    at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:119) ~[spring-tx-5.3.3.jar:5.3.3]
    at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) ~[spring-aop-5.3.3.jar:5.3.3]
    at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:137) ~[spring-tx-5.3.3.jar:5.3.3]
    at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:186) ~[spring-aop-5.3.3.jar:5.3.3]
    at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:97) ~[spring-aop-5.3.3.jar:5.3.3]

application.yml:

spring:
  neo4j:
    uri: bolt://192.168.25.108:7687
    authentication:
      username: neo4j
      password: 123456

test:

package com.example.demo;

import com.example.demo.entity.MovieEntity;
import com.example.demo.service.MovieRepository;
import org.junit.jupiter.api.Test;
import org.neo4j.driver.internal.shaded.reactor.core.publisher.Mono;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.test.context.junit4.SpringRunner;
import reactor.core.publisher.Flux;

@SpringBootTest
class Neo4jSpringBootExampleApplicationTests {

    @Autowired
    private MovieRepository movieRepository;

    @Test
    void contextLoads() {
        Flux<MovieEntity> all =
                movieRepository.findAll();
        System.out.println("all = " + all);
    }

}

pom:

    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.4.2</version>
        <relativePath/> <!-- lookup parent from repository -->
    </parent>
    <groupId>com.example</groupId>
    <artifactId>demo</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <name>Neo4j SpringBoot Example</name>
    <description>Demo project for Spring Boot</description>
    <properties>
        <java.version>8</java.version>
    </properties>
    <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-data-neo4j</artifactId>
        </dependency>

        <!-- https://mvnrepository.com/artifact/io.projectreactor/reactor-core -->
        <dependency>
            <groupId>io.projectreactor</groupId>
            <artifactId>reactor-core</artifactId>
            <version>3.4.10</version>
        </dependency>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency>



    </dependencies>

Please tell me the reason or solution of the problem. Thank you very much

Comment From: snicoll

@huhudiedie there is a note in the documentation about this. Going forward, please ask questions on StackOverflow as we prefer to use GitHub issues only for bugs and enhancements.

Comment From: huhudiedie

@huhudiedie there is a note in the documentation about this. Going forward, please ask questions on StackOverflow as we prefer to use GitHub issues only for bugs and enhancements.

I think I know the problem. Movierepository should extend Neo4jRepository . Thank you very much

Comment From: snicoll

No, it should not. Please review the section that starts with:

In an application using the reactive style, a ReactiveTransactionManager is not auto-configured. To enable transaction management, the following bean must be defined in your configuration