Distributed Message Service for RabbitMQ
Distributed Message Service for RabbitMQ
- What's New
- Function Overview
- Product Bulletin
-
Service Overview
- Infographics
- What Is DMS for RabbitMQ?
- Product Advantages
- Application Scenarios
- Specifications
- Comparing RabbitMQ, Kafka, and RocketMQ
- Comparing RabbitMQ AMQP-0-9-1 with Open-Source RabbitMQ
- Comparing RabbitMQ Versions
- Related Services
- Security
- Notes and Constraints
- Basic Concepts
- Exchanges
- Permissions Management
- Billing
- Getting Started
-
User Guide
- Process of Using RabbitMQ
- Permissions Management
- Buying a RabbitMQ Instance
- Configuring Virtual Hosts
- Accessing a RabbitMQ Instance
- Managing Messages
- Advanced Features
-
Managing Instances
- Viewing and Modifying Basic Information of a RabbitMQ Instance
- Viewing RabbitMQ Client Connection Addresses
- Managing RabbitMQ Instance Tags
- Configuring RabbitMQ Recycling Policies
- Resetting the RabbitMQ Instance Password
- Enabling RabbitMQ Plug-ins
- Exporting the RabbitMQ Instance List
- Deleting a RabbitMQ Instance
- Logging In to RabbitMQ Management UI
- Modifying RabbitMQ Instance Specifications
- Migrating RabbitMQ Services
- Testing Instance Performance
- Applying for Increasing RabbitMQ Quotas
- Viewing Metrics and Configuring Alarms
- Viewing RabbitMQ Audit Logs
-
Best Practices
- RabbitMQ Best Practices
- Automatic Recovery of a RabbitMQ Client from Network Exceptions
- Automatic Consumer Reconnection After a RabbitMQ Node Restart
- Improving RabbitMQ Performance
- Configuring Queue Load Balancing
- Deduplicating Messages Through Message Idempotence
- Suggestions on Using DMS for RabbitMQ Securely
- Developer Guide
-
API Reference
- Before You Start
- API Overview
- Calling APIs
- Getting Started
- APIs V2 (Recommended)
- Permissions and Supported Actions
- Out-of-Date APIs
- Appendix
- Change History
- SDK Reference
-
FAQs
-
Instances
- What RabbitMQ Version Does DMS for RabbitMQ Use?
- What SSL Version Does DMS for RabbitMQ Use?
- Why Can't I View the Subnet and Security Group Information During Instance Creation?
- How Are Requests Evenly Distributed to Each VM of a Cluster RabbitMQ Instance?
- Do Queues Inside a Cluster RabbitMQ Instance Have Any Redundancy Backup?
- Does DMS for RabbitMQ Support Data Persistence? How Do I Perform Scheduled Data Backups?
- How Do I Obtain the Certificate After SSL Has Been Enabled?
- Can I Change the SSL Setting of a RabbitMQ Instance?
- Can RabbitMQ Instances Be Scaled Up?
- Does RabbitMQ Support Two-Way Authentication?
- Does DMS for RabbitMQ Support CPU and Memory Upgrades?
- How Do I Disable the RabbitMQ Management UI?
- Can I Change the AZ for an Instance?
- How Do I Obtain the Region ID?
- Why Can't I Select Two AZs?
- How to Change Single-node RabbitMQ Instances to Cluster Ones?
- Can I Change the VPC and Subnet After a RabbitMQ Instance Is Created?
-
Connections
- How Do I Configure a Security Group?
- Why Does a Client Fail to Connect to a RabbitMQ Instance?
- Does DMS for RabbitMQ Support Public Access?
- Does DMS for RabbitMQ Support Cross-Region Deployment?
- Do RabbitMQ Instances Support Cross-VPC Access?
- Do RabbitMQ Instances Support Cross-Subnet Access?
- What Should I Do If I Fail to Access a RabbitMQ Instance with SSL Encryption?
- Can I Access a RabbitMQ Instance Using DNAT?
- Why Can't I Open the Management Web UI?
- Can a Client Connect to Multiple Virtual Hosts of a RabbitMQ Instance?
- Why Does a RabbitMQ Cluster Have Only One Connection Address?
- Do RabbitMQ Instances Support the Ping Command?
- Messages
- Monitoring & Alarm
-
Instances
- Videos
-
More Documents
-
User Guide (ME-Abu Dhabi Region)
- Service Overview
- Getting Started
- Process of Using RabbitMQ
- Permissions Management
- Buying a RabbitMQ Instance
- Configuring Virtual Hosts
- Accessing a RabbitMQ Instance
- Managing Messages
- Advanced Features
-
Managing Instances
- Viewing and Modifying Basic Information of a RabbitMQ Instance
- Viewing RabbitMQ Client Connection Addresses
- Managing RabbitMQ Instance Tags
- Resetting the RabbitMQ Instance Password
- Enabling RabbitMQ Plug-ins
- Using the rabbitmq_tracing Plug-in
- Exporting the RabbitMQ Instance List
- Deleting a RabbitMQ Instance
- Logging In to RabbitMQ Management UI
- Modifying RabbitMQ Instance Specifications
- Migrating RabbitMQ Services
- Applying for Increasing RabbitMQ Quotas
- Viewing Metrics and Configuring Alarms
- Viewing RabbitMQ Audit Logs
-
FAQs
-
Instances
- What RabbitMQ Version Does DMS for RabbitMQ Use?
- What SSL Version Does DMS for RabbitMQ Use?
- Why Can't I View the Subnet and Security Group Information During Instance Creation?
- How Are Requests Evenly Distributed to Each VM of a Cluster RabbitMQ Instance?
- Do Queues Inside a Cluster RabbitMQ Instance Have Any Redundancy Backup?
- Does DMS for RabbitMQ Support Data Persistence? How Do I Perform Scheduled Data Backups?
- How Do I Obtain the Certificate After SSL Has Been Enabled?
- Can I Change the SSL Setting of a RabbitMQ Instance?
- Can RabbitMQ Instances Be Scaled Up?
- Does RabbitMQ Support Two-Way Authentication?
- Does DMS for RabbitMQ Support CPU and Memory Upgrades?
- How Do I Disable the RabbitMQ Management UI?
- Can I Change the AZ for an Instance?
- How Do I Obtain the Region ID?
- Why Can't I Select Two AZs?
- How to Change Single-node RabbitMQ Instances to Cluster Ones?
- Can I Change the VPC and Subnet After a RabbitMQ Instance Is Created?
-
Connections
- How Do I Configure a Security Group?
- Why Does a Client Fail to Connect to a RabbitMQ Instance?
- Does DMS for RabbitMQ Support Public Access?
- Does DMS for RabbitMQ Support Cross-Region Deployment?
- Do RabbitMQ Instances Support Cross-VPC Access?
- Do RabbitMQ Instances Support Cross-Subnet Access?
- What Should I Do If I Fail to Access a RabbitMQ Instance with SSL Encryption?
- Can I Access a RabbitMQ Instance Using DNAT?
- Why Can't I Open the Management Web UI?
- Can a Client Connect to Multiple Virtual Hosts of a RabbitMQ Instance?
- Why Does a RabbitMQ Cluster Have Only One Connection Address?
- Messages
- Monitoring & Alarm
-
Instances
- Change History
- API Reference (ME-Abu Dhabi Region)
-
User Guide (Kuala Lumpur Region)
- Service Overview
- Permissions Management
- Preparing the Environment
- Buying an Instance
- Accessing a RabbitMQ Instance
- Operating RabbitMQ Instances
- Quotas
- Monitoring
- Auditing
-
FAQs
-
Instances
- What RabbitMQ Version Does DMS for RabbitMQ Use?
- What SSL Version Does DMS for RabbitMQ Use?
- Why Can't I View the Subnet and Security Group Information During Instance Creation?
- What If One RabbitMQ VM Fails to Be Restarted When a Cluster RabbitMQ Instance Is Being Restarted?
- How Are Requests Evenly Distributed to Each VM of a Cluster RabbitMQ Instance?
- Do Queues Inside a Cluster RabbitMQ Instance Have Any Redundancy Backup?
- Does DMS for RabbitMQ Support Data Persistence? How Do I Perform Scheduled Data Backups?
- How Do I Obtain the Certificate After SSL Has Been Enabled?
- Can I Change the SSL Setting of a RabbitMQ Instance?
- Can RabbitMQ Instances Be Scaled Up?
- Does DMS for RabbitMQ Support MQTT?
- How Do I Clear Queue Data?
- Does DMS for RabbitMQ Support CPU and Memory Upgrades?
- How Do I Disable the RabbitMQ Management UI?
- Can I Change the AZ for an Instance?
-
Connections
- How Do I Configure a Security Group?
- Why Does a Client Fail to Connect to a RabbitMQ Instance?
- Does DMS for RabbitMQ Support Public Access?
- Does DMS for RabbitMQ Support Cross-Region Deployment?
- Does DMS for RabbitMQ Support Cross-VPC Access?
- Does DMS for RabbitMQ Support Cross-Subnet Access?
- What Should I Do If I Fail to Access a RabbitMQ Instance with SSL Encryption?
- Can I Access a RabbitMQ Instance Using DNAT?
- Why Can't I Open the Management Web UI?
- Can a Client Connect to Multiple Virtual Hosts of a RabbitMQ Instance?
- Why Does a RabbitMQ Cluster Have Only One Connection Address?
- Plug-ins
- Messages
- Monitoring & Alarm
-
Instances
- Change History
- API Reference (Kuala Lumpur Region)
-
User Guide (ME-Abu Dhabi Region)
- General Reference
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Help Center/
Distributed Message Service for RabbitMQ/
User Guide (Kuala Lumpur Region)/
FAQs/
Connections/
Why Does a Client Fail to Connect to a RabbitMQ Instance?
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Why Does a Client Fail to Connect to a RabbitMQ Instance?
This problem occurs when the connection address, port number, username, or password is incorrect, or when the maximum allowed number of connections is exceeded.
- Incorrect connection address
Error message displayed for an incorrect connection address in intra-VPC access:
[root@ecs-heru RabbitMQ-Tutorial]# java -cp .:rabbitmq-tutorial.jar Send 192.168.125.110 5672 user ******* Exception in thread "main" java.net.NoRouteToHostException: No route to host (Host unreachable) at java.net.PlainSocketImpl.socketConnect(Native Method) at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
Error message displayed for an incorrect connection address in public access:
[root@ecs-heru RabbitMQ-Tutorial]# java -cp .:rabbitmq-tutorial.jar Send 139.xxx.178 5672 user ******* Exception in thread "main" java.net.SocketTimeoutException: connect timed out at java.net.PlainSocketImpl.socketConnect(Native Method) at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
- Incorrect port number
Error message displayed for an incorrect port number in intra-VPC access:
[root@ecs-heru RabbitMQ-Tutorial]# java -cp .:rabbitmq-tutorial.jar Send 192.168.125.111 5673 user ******* Exception in thread "main" java.net.ConnectException: Connection refused (Connection refused) at java.net.PlainSocketImpl.socketConnect(Native Method) at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
Error message displayed for an incorrect port number in public access:
[root@ecs-heru RabbitMQ-Tutorial]# java -cp .:rabbitmq-tutorial.jar Send 139.xxx.179 5673 user ******* Exception in thread "main" java.net.SocketTimeoutException: connect timed out at java.net.PlainSocketImpl.socketConnect(Native Method) at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
- Incorrect username or password
[root@ecs-heru RabbitMQ-Tutorial]# java -cp .:rabbitmq-tutorial.jar Send 192.168.125.111 5672 user ******* Exception in thread "main" com.rabbitmq.client.AuthenticationFailureException: ACCESS_REFUSED - Login was refused using authentication mechanism PLAIN. For details see the broker logfile. at com.rabbitmq.client.impl.AMQConnection.start(AMQConnection.java:351) at com.rabbitmq.client.impl.recovery.RecoveryAwareAMQConnectionFactory.newConnection(RecoveryAwareAMQConnectionFactory.java:64)
- Maximum number of connections exceeded
Parent topic: Connections
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