将 Springboot 从 2.1.0 迁移到 2.2.1 时出现 Mongo 错误
[英]While migrating Springboot from 2.1.0 to 2.2.1 having Mongo error
问题描述
Springboot Version 2.2.1 While migrating from 2.1.0 
Springboot 版本 2.2.1 从 2.1.0 迁移时
Caused by: java.lang.NullPointerException at org.springframework.data.mongodb.core.MongoTemplate.potentiallyConvertRuntimeException(MongoTemplate.java:2902) at org.springframework.data.mongodb.core.MultiTenancyMongoTemplate.execute(MultiTenancyMongoTemplate.java:81) at org.springframework.data.mongodb.core.MultiTenancyMongoTemplate.execute(MultiTenancyMongoTemplate.java:54) at org.springframework.data.mongodb.core.DefaultIndexOperations.execute(DefaultIndexOperations.java:214) at org.springframework.data.mongodb.core.DefaultIndexOperations.ensureIndex(DefaultIndexOperations.java:121) at org.springframework.data.mongodb.core.index.MongoPersistentEntityIndexCreator.createIndex(MongoPersistentEntityIndexCreator.java:158) at org.springframework.data.mongodb.core.index.MongoPersistentEntityIndexCreator.checkForAndCreateIndexes(MongoPersistentEntityIndexCreator.java:148) at org.springframework.data.mongodb.core.index.MongoPersistentEntityIndexCreator.checkForIndexes(MongoPersistentEntityInde
@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"
}
1 个解决方案
解决方案1
0 2020-01-08 04:23:45
From the logs that i have found that index is not defined properly in one of your spring managed mongo document.从我发现的日志中，您的 spring 管理的 mongo 文档之一中未正确定义索引。 Try checking your ensureIndex method and @CompoundIndex annotation.尝试检查您的ensureIndex方法和@CompoundIndex注释。
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