[英]Spring Boot can't reach localhost Mongodb
I'm following this example of creating a Spring Boot app that connects with a Mongo DB.我正在按照这个创建与 Mongo DB 连接的 Spring Boot 应用程序的示例进行操作。 However, when I run my application I get:
但是,当我运行我的应用程序时,我得到:
Exception in monitor thread while connecting to server localhost:8081
With the following properties:具有以下属性:
spring.data.mongodb.uri=mongodb://root:example@localhost:8081/test
And the following MongoClient
:以及以下
MongoClient
:
MongoClient with metadata {"driver": {"name": "mongo-java-driver|sync|spring-boot", "version": "4.8.0"}, "os": {"type": "Linux", "name": "Linux", "architecture": "amd64", "version": "5.15.0-56-generic"}, "platform": "Java/Eclipse Adoptium/17.0.5+8"} created with settings MongoClientSettings{readPreference=primary, writeConcern=WriteConcern{w=null, wTimeout=null ms, journal=null}, retryWrites=true, retryReads=true, readConcern=ReadConcern{level=null}, credential=MongoCredential{mechanism=null, userName='root', source='test', password=<hidden>, mechanismProperties=<hidden>}, streamFactoryFactory=null, commandListeners=[], codecRegistry=ProvidersCodecRegistry{codecProviders=[ValueCodecProvider{}, BsonValueCodecProvider{}, DBRefCodecProvider{}, DBObjectCodecProvider{}, DocumentCodecProvider{}, CollectionCodecProvider{}, IterableCodecProvider{}, MapCodecProvider{}, GeoJsonCodecProvider{}, GridFSFileCodecProvider{}, Jsr310CodecProvider{}, JsonObjectCodecProvider{}, BsonCodecProvider{}, EnumCodecProvider{}, com.mongodb.Jep395RecordCodecProvider@1b9d9a2b]}, clusterSettings={hosts=[localhost:8081], srvServiceName=mongodb, mode=SINGLE, requiredClusterType=UNKNOWN, requiredReplicaSetName='null', serverSelector='null', clusterListeners='[]', serverSelectionTimeout='30000 ms', localThreshold='30000 ms'}, socketSettings=SocketSettings{connectTimeoutMS=10000, readTimeoutMS=0, receiveBufferSize=0, sendBufferSize=0}, heartbeatSocketSettings=SocketSettings{connectTimeoutMS=10000, readTimeoutMS=10000, receiveBufferSize=0, sendBufferSize=0}, connectionPoolSettings=ConnectionPoolSettings{maxSize=100, minSize=0, maxWaitTimeMS=120000, maxConnectionLifeTimeMS=0, maxConnectionIdleTimeMS=0, maintenanceInitialDelayMS=0, maintenanceFrequencyMS=60000, connectionPoolListeners=[], maxConnecting=2}, serverSettings=ServerSettings{heartbeatFrequencyMS=10000, minHeartbeatFrequencyMS=500, serverListeners='[]', serverMonitorListeners='[]'}, sslSettings=SslSettings{enabled=false, invalidHostNameAllowed=false, context=null}, applicationName='null', compressorList=[], uuidRepresentation=JAVA_LEGACY, serverApi=null, autoEncryptionSettings=null, contextProvider=null}
The application is running fine but can't reach the db.应用程序运行良好,但无法访问数据库。 I tried several other settings, such as replacing
localhost
with 127.0.0.1
and declaring settings in separate values such that:我尝试了其他几种设置,例如将
localhost
替换为127.0.0.1
并在单独的值中声明设置,以便:
spring.data.mongodb.host=localhost
spring.data.mongodb.port=8081
spring.data.mongodb.database=test
spring.data.mongodb.username=root
spring.data.mongodb.password=example
But nothing seems to work.但似乎没有任何效果。 The Mongo DB dashboard is shown at
localhost:8081
so I know that the DB is actually running fine. Mongo DB 仪表板显示在
localhost:8081
,因此我知道该数据库实际上运行良好。
This is what I used start a local Mongo DB instance in a Docker container:这就是我用来在 Docker 容器中启动本地 Mongo DB 实例的方式:
# Use root/example as user/password credentials
version: '3.1'
services:
mongo:
image: mongo
restart: always
environment:
MONGO_INITDB_DATABASE: test
MONGO_INITDB_ROOT_USERNAME: root
MONGO_INITDB_ROOT_PASSWORD: example
mongo-express:
image: mongo-express
restart: always
ports:
- 8081:8081
environment:
ME_CONFIG_MONGODB_ADMINUSERNAME: root
ME_CONFIG_MONGODB_ADMINPASSWORD: example
ME_CONFIG_MONGODB_URL: mongodb://root:example@mongo:27017/
Are you using -p 8081:27071
while running your mongo docker container?您在运行 mongo
-p 8081:27071
吗? I guess your config - 8081:8081
should be updated to '- 8081:27071'.我想您的配置
- 8081:8081
应该更新为“- 8081:27071”。
git clone https://github.com/spring-guides/gs-accessing-mongodb-data-rest
create dir resources
under `src/main/在`src/main/下创建目录
resources
spring.data.mongodb.host=localhost
spring.data.mongodb.port=27017
spring.data.mongodb.database=test
spring.data.mongodb.username=root
spring.data.mongodb.password=example
version: '3.1'
services:
mongo:
image: mongo
restart: always
ports:
- 27017:27017
environment:
MONGO_INITDB_DATABASE: test
MONGO_INITDB_ROOT_USERNAME: root
MONGO_INITDB_ROOT_PASSWORD: example
mongo-express:
image: mongo-express
restart: always
ports:
- 8081:8081
environment:
ME_CONFIG_MONGODB_ADMINUSERNAME: root
ME_CONFIG_MONGODB_ADMINPASSWORD: example
ME_CONFIG_MONGODB_URL: mongodb://root:example@mongo:27017/
docker compose up
mongosh admin -u root -p example
In mongosh在蒙哥什
use test
db.createUser({user: "root", pwd: "example", roles: ["dbOwner"]})
exit
mvn clean spring-boot:run
curl -i -X POST -H "Content-Type:application/json" -d "{ \"firstName\" : \"Frodo\", \"lastName\" : \"Baggins\" }" http://localhost:8080/people
HTTP/1.1 201
Vary: Origin
Vary: Access-Control-Request-Method
Vary: Access-Control-Request-Headers
Location: http://localhost:8080/people/63a7cb0249786806453df30d
Content-Type: application/hal+json
Transfer-Encoding: chunked
Date: Sun, 25 Dec 2022 04:01:06 GMT
{
"firstName" : "Frodo",
"lastName" : "Baggins",
"_links" : {
"self" : {
"href" : "http://localhost:8080/people/63a7cb0249786806453df30d"
},
"person" : {
"href" : "http://localhost:8080/people/63a7cb0249786806453df30d"
}
}
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