Question

Springboot版本2.2.1 从2.1.0迁移时

由以下原因引起：java.lang.NullPointerException org.springframework.data.mongodb.core.MongoTemplate.potentiallyConvertRuntimeException（MongoTemplate.java:2902）在 org.springframework.data.mongodb.core.MultiTenancyMongoTemplate.execute（MultiTenancyMongoTemplate.java:81）在 org.springframework.data.mongodb.core.MultiTenancyMongoTemplate.execute（MultiTenancyMongoTemplate.java:54）在 org.springframework.data.mongodb.core.DefaultIndexOperations.execute（DefaultIndexOperations.java:214）在 org.springframework.data.mongodb.core.DefaultIndexOperations.ensureIndex（DefaultIndexOperations.java:121）在 org.springframework.data.mongodb.core.index.MongoPersistentEntityIndexCreator.createIndex（MongoPersistentEntityIndexCreator.java:158）在 org.springframework.data.mongodb.core.index.MongoPersistentEntityIndexCreator.checkForAndCreateIndexes（MongoPersistentEntityIndexCreator.java:148）在 org.springframework.data.mongodb.core.index.MongoPersistentEntityIndexCreator.checkForIndexes（MongoPersistentEntityIndexCreator.java:130）在 org.springframework.data.mongodb.core.index.MongoPersistentEntityIndexCreator。（MongoPersistentEntityIndexCreator.java:95）在 org.springframework.data.mongodb.core.index.MongoPersistentEntityIndexCreator。（MongoPersistentEntityIndexCreator.java:72）在 org.springframework.data.mongodb.core.MongoTemplate。（MongoTemplate.java:275）在 org.springframework.data.mongodb.core.MultiTenancyMongoTemplate。（MultiTenancyMongoTemplate.java:33）在 ApplicationsMongoTemplate。（ApplicationsMongoTemplate.java:21）在MongoConfiguration.mongoOperations（MongoConfiguration.java:53）在 MongoConfiguration $$ EnhancerBySpringCGLIB $$ dc35c2c4.CGLIB $ mongoOperations $ 1（）在 MongoConfiguration $$ EnhancerBySpringCGLIB $$ dc35c2c4 $$ FastClassBySpringCGLIB $$ b7e97015.invoke（）在 org.springframework.cglib.proxy.MethodProxy.invokeSuper（MethodProxy.java:244）在 org.springframework.context.annotation.ConfigurationClassEnhancer $ BeanMethodInterceptor.intercept（ConfigurationClassEnhancer.java:363）在 MongoConfiguration $$ EnhancerBySpringCGLIB $$ dc35c2c4.mongoOperations（）在 java.base / jdk.internal.reflect.NativeMethodAccessorImpl.invoke0（本机方法） java.base / jdk.internal.reflect.NativeMethodAccessorImpl.invoke（NativeMethodAccessorImpl.java:62）在 java.base / jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke（DelegatingMethodAccessorImpl.java:43）在java.base / java.lang.reflect.Method.invoke（Method.java:566） org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate（SimpleInstantiationStrategy.java:154） ...更多122

@Configuration
@EnableMongoRepositories(basePackages = "repositories", mongoTemplateRef = "mongoOperations")
public class MongoConfiguration {

    private final MongoClientOptions options;
    private final MongoClientFactory factory;

    public MongoConfiguration(MongoProperties properties,
                                  ObjectProvider<MongoClientOptions> options, Environment environment) {
        this.options = options.getIfAvailable();
        this.factory = new MongoClientFactory(properties, environment);
    }

    @Bean(destroyMethod = "close")
    public MongoClient mongo() {
        return this.factory.createMongoClient(this.options);
    }

    @Bean
    public ValidatingMongoEventListener validatingMongoEventListener() {
        return new ValidatingMongoEventListener(validator());
    }

    @Bean
    public LocalValidatorFactoryBean validator() {
        return new LocalValidatorFactoryBean();
    }

    @Bean
    public MongoOperations mongoOperations(final ShareContextMongoDbFactory mongoDbFactory, final MongoConverter mongoConverter) {
        return new ApplicationsMongoTemplate(mongoDbFactory, mongoConverter);
    }

    @Bean
    public ShareContextMongoDbFactory mongoDbFactory(final MongoClient mongoClient, final MongoProperties mongoProperties) {
        return new ShareContextMongoDbFactory(mongoClient, mongoProperties.getDatabase());
    }

}

public class ApplicationsMongoTemplate extends MultiTenancyMongoTemplate implements
    ApplicationEventPublisherAware {

  private ApplicationEventPublisher applicationEventPublisher;

  public ApplicationsMongoTemplate(
      ShareContextMongoDbFactory mongoDbFactory,
      MongoConverter mongoConverter) {
    super(mongoDbFactory, mongoConverter);
  }

  /**
   * Remove the given object from the collection by id.
   *
   * @param object must not be {@literal null}.
   * @return the {@link DeleteResult} which lets you access the results of the previous delete.
   */

  @Override
  @NonNull
  public DeleteResult remove(Object object) {
    Assert.notNull(object, "Object must not be null!");
    applicationEventPublisher.publishEvent(new BeforeDeleteEvent(object));
    return super.remove(object);
  }

  @Override
  public void setApplicationEventPublisher(
      @NonNull ApplicationEventPublisher applicationEventPublisher) {
    this.applicationEventPublisher = applicationEventPublisher;
  }
}

build.gradle dependecies

dependencies {
    compile "org.springframework.cloud:spring-cloud-starter-openfeign"
    compile "org.springframework.boot:spring-boot-starter-cache"
    compile "org.springframework.boot:spring-boot-starter-actuator"
    compile "org.springframework.boot:spring-boot-starter-data-mongodb"
    compile "org.springframework.boot:spring-boot-starter-security"
    compile "org.springframework.boot:spring-boot-starter-validation"
    compile "org.springframework.boot:spring-boot-starter-websocket"
    compile "org.springframework.boot:spring-boot-starter-web"
    compile "org.springframework.boot:spring-boot-starter-aop"
    compile "org.springframework.boot:spring-boot-starter-amqp"
    compileOnly "org.springframework.boot:spring-boot-configuration-processor"
    testCompile "org.springframework.boot:spring-boot-starter-test"
    testCompile "org.openjdk.jmh:jmh-core:${jmh_version}"
    testCompile "org.openjdk.jmh:jmh-generator-annprocess:${jmh_version}"
    testCompile "org.powermock:powermock-module-junit4:${powermock_version}"
    testCompile "org.powermock:powermock-api-mockito2:${powermock_version}"
    testCompile "org.mockito:mockito-core:2.18.3"
    testCompile "commons-beanutils:commons-beanutils:1.9.4"
}

Answer 1

从我发现您的Spring管理的mongo文档之一中未正确定义索引的日志中。尝试检查您的 ensureIndex 方法和 @CompoundIndex 批注。

将Springboot从2.1.0迁移到2.2.1时出现Mongo错误

1 个答案: