docker 容器内nacos（若依plus打包）连接另一台内网服务器显示数据库连接失败

攀小黑2025-11-03 13:08

异常日志：

复制代码 
The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.
	at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:77)
	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.base/java.lang.reflect.Constructor.newInstanceWithCaller(Constructor.java:499)
	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:480)
	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:62)
	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:105)
	at com.mysql.cj.exceptions.ExceptionFactory.createException(ExceptionFactory.java:150)
	at com.mysql.cj.exceptions.ExceptionFactory.createCommunicationsException(ExceptionFactory.java:166)
	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:582)
	at com.mysql.cj.protocol.a.NativeProtocol.readServerCapabilities(NativeProtocol.java:537)
	at com.mysql.cj.protocol.a.NativeProtocol.beforeHandshake(NativeProtocol.java:424)
	at com.mysql.cj.protocol.a.NativeProtocol.connect(NativeProtocol.java:1428)
	at com.mysql.cj.NativeSession.connect(NativeSession.java:134)
	at com.mysql.cj.jdbc.ConnectionImpl.connectWithRetries(ConnectionImpl.java:839)
	... 128 common frames omitted
Caused by: java.net.SocketTimeoutException: Read timed out
	at java.base/sun.nio.ch.NioSocketImpl.timedRead(NioSocketImpl.java:288)
	at java.base/sun.nio.ch.NioSocketImpl.implRead(NioSocketImpl.java:314)
	at java.base/sun.nio.ch.NioSocketImpl.read(NioSocketImpl.java:355)
	at java.base/sun.nio.ch.NioSocketImpl$1.read(NioSocketImpl.java:808)
	at java.base/java.net.Socket$SocketInputStream.read(Socket.java:966)
	at com.mysql.cj.protocol.ReadAheadInputStream.fill(ReadAheadInputStream.java:107)
	at com.mysql.cj.protocol.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:150)
	at com.mysql.cj.protocol.ReadAheadInputStream.read(ReadAheadInputStream.java:180)
	at java.base/java.io.FilterInputStream.read(FilterInputStream.java:132)
	at com.mysql.cj.protocol.FullReadInputStream.readFully(FullReadInputStream.java:64)
	at com.mysql.cj.protocol.a.SimplePacketReader.readHeaderLocal(SimplePacketReader.java:81)
	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:63)
	at com.mysql.cj.protocol.a.SimplePacketReader.readHeader(SimplePacketReader.java:45)
	at com.mysql.cj.protocol.a.NativeProtocol.readMessage(NativeProtocol.java:576)
	... 133 common frames omitted

这个问题是由于数据库配置中连接数据库的时长设置太短了，导致没有连接上！

只要修改一下配置就行

原配置:

bash 复制代码 
# Copyright 1999-2018 Alibaba Group Holding Ltd.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#

#*************** Spring Boot Related Configurations ***************#

### Default web context path:
server.servlet.contextPath=/a***
### Include message field
server.error.include-message=ALWAYS
### Default web server port:
server.port=9999

#*************** Network Related Configurations ***************#
### If prefer hostname over ip for Nacos server addresses in cluster.conf:
# nacos.inetutils.prefer-hostname-over-ip=false

### Specify local server's IP:
# nacos.inetutils.ip-address=

spring.application.name=ruoyi-nacos
#*************** Config Module Related Configurations ***************#
### Deprecated configuration property, it is recommended to use `spring.sql.init.platform` replaced.
# spring.datasource.platform=mysql
nacos.plugin.datasource.log.enabled=true
spring.sql.init.platform=mysql
### Count of DB:
db.num=1

### Connect URL of DB:

db.url.0=jdbc:mysql://192.168.10.110:3306/mysql?characterEncoding=utf8&connectTimeout=10000&socketTimeout=30000&autoReconnect=true&useUnicode=true&useSSL=false&serverTimezone=UTC&allowPublicKeyRetrieval=true
db.user.0=****
db.password.0=******

### the maximum retry times for push
nacos.config.push.maxRetryTime=100

#*************** Naming Module Related Configurations ***************#
### Data dispatch task execution period in milliseconds:


### If enable data warmup. If set to false, the server would accept request without local data preparation:
# nacos.naming.data.warmup=true

### If enable the instance auto expiration, kind like of health check of instance:
# nacos.naming.expireInstance=true

nacos.naming.empty-service.auto-clean=true
nacos.naming.empty-service.clean.initial-delay-ms=50000
nacos.naming.empty-service.clean.period-time-ms=30000


#*************** CMDB Module Related Configurations ***************#
### The interval to dump external CMDB in seconds:
# nacos.cmdb.dumpTaskInterval=3600

### The interval of polling data change event in seconds:
# nacos.cmdb.eventTaskInterval=10

### The interval of loading labels in seconds:
# nacos.cmdb.labelTaskInterval=300

### If turn on data loading task:
# nacos.cmdb.loadDataAtStart=false


#*************** Metrics Related Configurations ***************#
# 指向 ruoyi-monitor 监控
spring.boot.admin.client.url=http://******
spring.boot.admin.client.username=******
spring.boot.admin.client.password=******
spring.boot.admin.client.instance.service-host-type=IP
spring.boot.admin.client.instance.metadata.username: ${spring.boot.admin.client.username}
spring.boot.admin.client.instance.metadata.userpassword: ${spring.boot.admin.client.password}

### Metrics for prometheus
management.endpoints.web.exposure.include=*

### Metrics for elastic search
management.metrics.export.elastic.enabled=false
#management.metrics.export.elastic.host=http://localhost:9200

### Metrics for influx
management.metrics.export.influx.enabled=false
#management.metrics.export.influx.db=springboot
#management.metrics.export.influx.uri=http://localhost:8086
#management.metrics.export.influx.auto-create-db=true
#management.metrics.export.influx.consistency=one
#management.metrics.export.influx.compressed=true

#*************** Access Control Related Configurations ***************#
### If enable spring security, this option is deprecated in 1.2.0:
#spring.security.enabled=false

### The ignore urls of auth, is deprecated in 1.2.0:
nacos.security.ignore.urls=/,/error,/**/*.css,/**/*.js,/**/*.html,/**/*.map,/**/*.svg,/**/*.png,/**/*.ico,/console-ui/public/**,/v1/auth/**,/v1/console/health/**,/actuator/**,/v1/console/server/**

### The auth system to use, currently only 'nacos' and 'ldap' is supported:
nacos.core.auth.system.type=nacos

### If turn on auth system:
nacos.core.auth.enabled=true

### Turn on/off caching of auth information. By turning on this switch, the update of auth information would have a 15 seconds delay.
nacos.core.auth.caching.enabled=true

### Since 1.4.1, Turn on/off white auth for user-agent: nacos-server, only for upgrade from old version.
nacos.core.auth.enable.userAgentAuthWhite=false

### Since 1.4.1, worked when nacos.core.auth.enabled=true and nacos.core.auth.enable.userAgentAuthWhite=false.
### The two properties is the white list for auth and used by identity the request from other server.
### æ­¤å¤„ä¸ºç”¨æˆ·åå¯†ç  需要自行修改
nacos.core.auth.server.identity.key=serverIdentity
nacos.core.auth.server.identity.value=security

### worked when nacos.core.auth.system.type=nacos
### The token expiration in seconds:
nacos.core.auth.plugin.nacos.token.cache.enable=false
nacos.core.auth.plugin.nacos.token.expire.seconds=18000
### The default token (Base64 string):
#nacos.core.auth.plugin.nacos.token.secret.key=SecretKey012345678901234567890123456789012345678901234567890123456789
### 此处为token密钥 需要自行修改
nacos.core.auth.plugin.nacos.token.secret.key=SecretKey012345678901234567890123456789012345678901234567890123456789

### worked when nacos.core.auth.system.type=ldap，{0} is Placeholder,replace login username
#nacos.core.auth.ldap.url=ldap://localhost:389
#nacos.core.auth.ldap.basedc=dc=example,dc=org
#nacos.core.auth.ldap.userDn=cn=admin,${nacos.core.auth.ldap.basedc}
#nacos.core.auth.ldap.password=admin
#nacos.core.auth.ldap.userdn=cn={0},dc=example,dc=org
#nacos.core.auth.ldap.filter.prefix=uid
#nacos.core.auth.ldap.case.sensitive=true
#nacos.core.auth.ldap.ignore.partial.result.exception=false

#*************** Control Plugin Related Configurations ***************#
# plugin type
#nacos.plugin.control.manager.type=nacos

# local control rule storage dir, default ${nacos.home}/data/connection and ${nacos.home}/data/tps
#nacos.plugin.control.rule.local.basedir=${nacos.home}

# external control rule storage type, if exist
#nacos.plugin.control.rule.external.storage=

#*************** Config Change Plugin Related Configurations ***************#
# webhook
#nacos.core.config.plugin.webhook.enabled=false
# It is recommended to use EB https://help.aliyun.com/document_detail/413974.html
#nacos.core.config.plugin.webhook.url=http://localhost:8080/webhook/send?token=***
# The content push max capacity ,byte
#nacos.core.config.plugin.webhook.contentMaxCapacity=102400

# whitelist
#nacos.core.config.plugin.whitelist.enabled=false
# The import file suffixs
#nacos.core.config.plugin.whitelist.suffixs=xml,text,properties,yaml,html
# fileformatcheck,which validate the import file of type and content
#nacos.core.config.plugin.fileformatcheck.enabled=false
#*************** Istio Related Configurations ***************#
### If turn on the MCP server:
nacos.istio.mcp.server.enabled=false



###*************** Add from 1.3.0 ***************###


#*************** Core Related Configurations ***************#

### set the WorkerID manually
# nacos.core.snowflake.worker-id=

### Member-MetaData
# nacos.core.member.meta.site=
# nacos.core.member.meta.adweight=
# nacos.core.member.meta.weight=

### MemberLookup
### Addressing pattern category, If set, the priority is highest
# nacos.core.member.lookup.type=[file,address-server]
## Set the cluster list with a configuration file or command-line argument
# nacos.member.list=192.168.16.101:8847?raft_port=8807,192.168.16.101?raft_port=8808,192.168.16.101:8849?raft_port=8809
## for AddressServerMemberLookup
# Maximum number of retries to query the address server upon initialization
# nacos.core.address-server.retry=5
## Server domain name address of [address-server] mode
# address.server.domain=jmenv.tbsite.net
## Server port of [address-server] mode
# address.server.port=8080
## Request address of [address-server] mode
# address.server.url=/nacos/serverlist

#*************** JRaft Related Configurations ***************#

### Sets the Raft cluster election timeout, default value is 5 second
# nacos.core.protocol.raft.data.election_timeout_ms=5000
### Sets the amount of time the Raft snapshot will execute periodically, default is 30 minute
# nacos.core.protocol.raft.data.snapshot_interval_secs=30
### raft internal worker threads
# nacos.core.protocol.raft.data.core_thread_num=8
### Number of threads required for raft business request processing
# nacos.core.protocol.raft.data.cli_service_thread_num=4
### raft linear read strategy. Safe linear reads are used by default, that is, the Leader tenure is confirmed by heartbeat
# nacos.core.protocol.raft.data.read_index_type=ReadOnlySafe
### rpc request timeout, default 5 seconds
# nacos.core.protocol.raft.data.rpc_request_timeout_ms=5000
### enable to support prometheus service discovery
#nacos.prometheus.metrics.enabled=true

修改后：

bash 复制代码 
#
# Copyright 1999-2018 Alibaba Group Holding Ltd.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#

#*************** Spring Boot Related Configurations ***************#

### Default web context path:
server.servlet.contextPath=/a***
### Include message field
server.error.include-message=ALWAYS
### Default web server port:
server.port=6666

#*************** Network Related Configurations ***************#
### If prefer hostname over ip for Nacos server addresses in cluster.conf:
# nacos.inetutils.prefer-hostname-over-ip=false

### Specify local server's IP:
# nacos.inetutils.ip-address=

spring.application.name=ruoyi-nacos
#*************** Config Module Related Configurations ***************#
### Deprecated configuration property, it is recommended to use `spring.sql.init.platform` replaced.
# spring.datasource.platform=mysql
nacos.plugin.datasource.log.enabled=true
spring.sql.init.platform=mysql
### Count of DB:
db.num=1

### Connect URL of DB:


# 在db.url.0中添加重试相关参数
db.url.0=jdbc:mysql://192.168.10.110:3306/mysql?\
characterEncoding=utf8\
&connectTimeout=30000\
&socketTimeout=30000\
&autoReconnect=true\
&maxReconnects=5\
&initialTimeout=2\
&useUnicode=true\
&useSSL=false\
&serverTimezone=Asia/Shanghai\
&allowPublicKeyRetrieval=true\
&tcpKeepAlive=true

db.user.0=***
db.password.0=*******

# 连接池配置
db.pool.config.connectionTimeout=30000
db.pool.config.validationTimeout=10000
db.pool.config.maximumPoolSize=20

### the maximum retry times for push
nacos.config.push.maxRetryTime=100

#*************** Naming Module Related Configurations ***************#
### Data dispatch task execution period in milliseconds:


### If enable data warmup. If set to false, the server would accept request without local data preparation:
# nacos.naming.data.warmup=true

### If enable the instance auto expiration, kind like of health check of instance:
# nacos.naming.expireInstance=true

nacos.naming.empty-service.auto-clean=true
nacos.naming.empty-service.clean.initial-delay-ms=50000
nacos.naming.empty-service.clean.period-time-ms=30000


#*************** CMDB Module Related Configurations ***************#
### The interval to dump external CMDB in seconds:
# nacos.cmdb.dumpTaskInterval=3600

### The interval of polling data change event in seconds:
# nacos.cmdb.eventTaskInterval=10

### The interval of loading labels in seconds:
# nacos.cmdb.labelTaskInterval=300

### If turn on data loading task:
# nacos.cmdb.loadDataAtStart=false


#*************** Metrics Related Configurations ***************#
# 指向 ruoyi-monitor 监控
spring.boot.admin.client.url=http://*****
spring.boot.admin.client.username=****
spring.boot.admin.client.password=*****
spring.boot.admin.client.instance.service-host-type=IP
spring.boot.admin.client.instance.metadata.username: ${spring.boot.admin.client.username}
spring.boot.admin.client.instance.metadata.userpassword: ${spring.boot.admin.client.password}

### Metrics for prometheus
management.endpoints.web.exposure.include=*

### Metrics for elastic search
management.metrics.export.elastic.enabled=false
#management.metrics.export.elastic.host=http://localhost:9200

### Metrics for influx
management.metrics.export.influx.enabled=false
#management.metrics.export.influx.db=springboot
#management.metrics.export.influx.uri=http://localhost:8086
#management.metrics.export.influx.auto-create-db=true
#management.metrics.export.influx.consistency=one
#management.metrics.export.influx.compressed=true

#*************** Access Control Related Configurations ***************#
### If enable spring security, this option is deprecated in 1.2.0:
#spring.security.enabled=false

### The ignore urls of auth, is deprecated in 1.2.0:
nacos.security.ignore.urls=/,/error,/**/*.css,/**/*.js,/**/*.html,/**/*.map,/**/*.svg,/**/*.png,/**/*.ico,/console-ui/public/**,/v1/auth/**,/v1/console/health/**,/actuator/**,/v1/console/server/**

### The auth system to use, currently only 'nacos' and 'ldap' is supported:
nacos.core.auth.system.type=nacos

### If turn on auth system:
nacos.core.auth.enabled=true

### Turn on/off caching of auth information. By turning on this switch, the update of auth information would have a 15 seconds delay.
nacos.core.auth.caching.enabled=true

### Since 1.4.1, Turn on/off white auth for user-agent: nacos-server, only for upgrade from old version.
nacos.core.auth.enable.userAgentAuthWhite=false

### Since 1.4.1, worked when nacos.core.auth.enabled=true and nacos.core.auth.enable.userAgentAuthWhite=false.
### The two properties is the white list for auth and used by identity the request from other server.
### æ­¤å¤„ä¸ºç”¨æˆ·åå¯†ç  需要自行修改
nacos.core.auth.server.identity.key=serverIdentity
nacos.core.auth.server.identity.value=security

### worked when nacos.core.auth.system.type=nacos
### The token expiration in seconds:
nacos.core.auth.plugin.nacos.token.cache.enable=false
nacos.core.auth.plugin.nacos.token.expire.seconds=18000
### The default token (Base64 string):
#nacos.core.auth.plugin.nacos.token.secret.key=SecretKey012345678901234567890123456789012345678901234567890123456789
### 此处为token密钥 需要自行修改
nacos.core.auth.plugin.nacos.token.secret.key=SecretKey012345678901234567890123456789012345678901234567890123456789

### worked when nacos.core.auth.system.type=ldap，{0} is Placeholder,replace login username
#nacos.core.auth.ldap.url=ldap://localhost:389
#nacos.core.auth.ldap.basedc=dc=example,dc=org
#nacos.core.auth.ldap.userDn=cn=admin,${nacos.core.auth.ldap.basedc}
#nacos.core.auth.ldap.password=admin
#nacos.core.auth.ldap.userdn=cn={0},dc=example,dc=org
#nacos.core.auth.ldap.filter.prefix=uid
#nacos.core.auth.ldap.case.sensitive=true
#nacos.core.auth.ldap.ignore.partial.result.exception=false

#*************** Control Plugin Related Configurations ***************#
# plugin type
#nacos.plugin.control.manager.type=nacos

# local control rule storage dir, default ${nacos.home}/data/connection and ${nacos.home}/data/tps
#nacos.plugin.control.rule.local.basedir=${nacos.home}

# external control rule storage type, if exist
#nacos.plugin.control.rule.external.storage=

#*************** Config Change Plugin Related Configurations ***************#
# webhook
#nacos.core.config.plugin.webhook.enabled=false
# It is recommended to use EB https://help.aliyun.com/document_detail/413974.html
#nacos.core.config.plugin.webhook.url=http://localhost:8080/webhook/send?token=***
# The content push max capacity ,byte
#nacos.core.config.plugin.webhook.contentMaxCapacity=102400

# whitelist
#nacos.core.config.plugin.whitelist.enabled=false
# The import file suffixs
#nacos.core.config.plugin.whitelist.suffixs=xml,text,properties,yaml,html
# fileformatcheck,which validate the import file of type and content
#nacos.core.config.plugin.fileformatcheck.enabled=false
#*************** Istio Related Configurations ***************#
### If turn on the MCP server:
nacos.istio.mcp.server.enabled=false



###*************** Add from 1.3.0 ***************###


#*************** Core Related Configurations ***************#

### set the WorkerID manually
# nacos.core.snowflake.worker-id=

### Member-MetaData
# nacos.core.member.meta.site=
# nacos.core.member.meta.adweight=
# nacos.core.member.meta.weight=

### MemberLookup
### Addressing pattern category, If set, the priority is highest
# nacos.core.member.lookup.type=[file,address-server]
## Set the cluster list with a configuration file or command-line argument
# nacos.member.list=192.168.16.101:8847?raft_port=8807,192.168.16.101?raft_port=8808,192.168.16.101:8849?raft_port=8809
## for AddressServerMemberLookup
# Maximum number of retries to query the address server upon initialization
# nacos.core.address-server.retry=5
## Server domain name address of [address-server] mode
# address.server.domain=jmenv.tbsite.net
## Server port of [address-server] mode
# address.server.port=8080
## Request address of [address-server] mode
# address.server.url=/nacos/serverlist

#*************** JRaft Related Configurations ***************#

### Sets the Raft cluster election timeout, default value is 5 second
# nacos.core.protocol.raft.data.election_timeout_ms=5000
### Sets the amount of time the Raft snapshot will execute periodically, default is 30 minute
# nacos.core.protocol.raft.data.snapshot_interval_secs=30
### raft internal worker threads
# nacos.core.protocol.raft.data.core_thread_num=8
### Number of threads required for raft business request processing
# nacos.core.protocol.raft.data.cli_service_thread_num=4
### raft linear read strategy. Safe linear reads are used by default, that is, the Leader tenure is confirmed by heartbeat
# nacos.core.protocol.raft.data.read_index_type=ReadOnlySafe
### rpc request timeout, default 5 seconds
# nacos.core.protocol.raft.data.rpc_request_timeout_ms=5000
### enable to support prometheus service discovery
#nacos.prometheus.metrics.enabled=true

就可以了！

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