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Apache Dubbo 3.3 Documentation
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 Github  来源:Dubbo 浏览 3 扫码 分享 2024-11-19 09:34:12
  • Web SDK Manual
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    Web SDK Manual

    Web SDK User Guide

    Access Dubbo Services via Web Browser

    Develop microservices running on browser pages using dubbo-js.

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    Last modified September 30, 2024: Update & Translate Overview Docs (#3040) (d37ebceaea7)

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    • Apache Dubbo 3.3 教程
    • Apache Dubbo 3.3 Documentation
    • Apache Dubbo 3.0 教程（202212）
    • Apache Dubbo 3.0 教程（202109）
    • Apache Dubbo 3.0 教程（202106）
    • Apache Dubbo 2.7 开发指南
    • Apache Dubbo 2.7 用户文档
    • Apache Dubbo开发者指南(201807)
    • [中文]Apache Dubbo用户文档(201807)
    • Introduction
      • Concepts and Architecture
      • Relationship with gRPC, Spring Cloud, Istio
      • Core Advantages
        • Quick and Easy to Use
        • Ultra-high performance
        • Service Governance
        • Production Environment Verification
      • Features
        • Microservices Development
        • Service Discovery
        • Load Balancing
        • Traffic Control
          • Condition Routing
          • Introduction to Routing Mechanism
          • Tag Routing
          • Script Routing
          • Dynamic Configuration
          • Rate Limiting & Circuit Breaking
          • Mesh Routing
        • Communication Protocols
        • Extension Adaptation
        • Observability Service
        • Authentication and Authorization
        • Service Mesh
        • Microservices Ecosystem
        • More Advanced Features
    • User Manual
      • Java SDK
        • Version Information
        • Quick Start
          • Create a Dubbo application based on Spring Boot
        • User Guide
          • Quickly Create Applications
            • Spring Boot Starter
            • Pure API Development Model
          • Communication Protocol
            • Choosing RPC Protocols
            • dubbo Protocol
            • triple protocol
            • Java Interface Method
            • Protobuf (IDL) Method
            • Streaming Communication
            • Publish/Call Standard gRPC Service
            • REST Protocol
          • Observability Service
            • Console
            • Prometheus
            • Grafana
            • Log Management
            • End-to-End Tracing
            • Link Tracing
            • OpenTelemetry
            • Zipkin
            • Skywalking
          • Service Discovery
            • Load Balancing
            • Service Discovery
            • Using Zookeeper as a Registry Center
            • Using Nacos as Registration Center
            • Using Kubernetes Registry
          • Package and Deploy
            • Traditional Registration Center
            • Kubernetes
            • Service Mesh
          • Traffic Control
            • Sample Application Architecture
            • Adjust Timeout
            • Service Retry
            • Access Log
            • Same Region Priority
            • Conditional Traffic Routing
            • Environment Isolation
            • Parameter Routing
            • Weight Ratio
            • Service Downgrading
            • Directing Traffic to a Fixed Machine
          • Custom Extensions
            • How to customize extensions
            • Filter
            • Protocol
            • Registry
            • Router
          • RPC Framework
            • Server and Client
            • Thread Model
            • Asynchronous Call
            • Filter Interceptor
            • Timeout Duration
            • Version and Group
            • Passing Additional Parameters
            • Cluster Fault Tolerance (Retry)
            • Generic Call
            • More features
            • Generic Implementation
            • Echo Testing
            • Dynamically Specify IP Call at Runtime
            • Direct Connection Provider
            • Event Notifications Triggered by Calls
            • Server Callback to Client
            • Service Downgrade
            • Local Stub
            • Local Call
            • Concurrency Control
            • Connection Control
            • Host Configuration
            • Result Cache Invocation
            • Route Status Collection
            • Service Reference Configuration Object Cache
            • Parameter Validation
            • Reactive Programming
          • Distributed Transactions
            • Use Seata to enable distributed transactions in Dubbo
          • HTTP Gateway Access
            • Basic Architecture
            • dubbo protocol
            • triple protocol
          • Rate Limiting and Degradation
            • Sentinel Rate Limiting
            • Built-in Rate Limiting
            • Adaptive Flow Control
          • Security Policy
            • Class Check Mechanism
            • Permission Control
            • TLS Support
            • Service Authorization
          • Troubleshooting
            • Application Start Failure
            • Request Timing Sampling
            • Address not found exception
            • Low Request Success Rate
        • Reference Manual
          • Configuration Instructions
            • Native API
            • API Configuration
            • Spring
            • Spring Boot
            • XML Configuration
            • Maven Plugin Configuration
            • Configuration Loading Process
            • JVM (-D) Parameters
          • Serialization Protocol
            • Serialization Overview
            • triple
            • Protobuf
            • Protobuf Wrapper
            • dubbo
            • Hessian
            • Fastjson2
            • Fastjson
            • Avro
            • FST
            • Gson
            • Kryo
            • MessagePack
            • Serialization Protocol Upgrade
          • RPC Protocol
            • Protocol Overview
            • triple
            • dubbo
            • Multiple Protocols
            • New Features of Tripe 3.3
            • Triple Rest User Manual
            • Extension Implementations
            • Redis Protocol
            • Thrift Protocol
            • Memcached Protocol
            • Rest Protocol
            • Rmi Protocol
            • Hessian Protocol
            • Webservice Protocol
          • Registry Center and Service Discovery
            • Overview of the Registry
            • zookeeper
            • nacos
            • Application Level vs Interface Level
            • Multi-Registry
            • Extension Implementation
            • Multicast
            • Consul
            • Etcd
            • Redis
          • Configuration Center
            • Overview of Config Center
            • Zookeeper
            • Nacos
            • Apollo
            • Extension Implementations
          • Metadata Center
            • Overview of the Metadata Center
            • Nacos
            • Zookeeper
            • Extension Implementations
          • Performance Benchmark
            • Application-Level Service Discovery Benchmark
            • RPC Benchmark
            • RPC Console
          • GraalVM
            • Support for GraalVM Native Image
          • SPI Plugin Extension Points
            • SPI Overview
            • SPI Plugin List
            • Some Key SPI Usage Instructions
            • Protocol Extension
            • Call Interceptor Extension
            • Invoker Listener Extension
            • Export Listener Extension
            • Cluster extension
            • Router Extensions
            • Load Balance Extension
            • Merger Result Extension
            • Registry Center Extension
            • Monitoring Center Extension
            • Extension Point Loading Extensions
            • Dynamic Proxy Extension
            • Liveness Probe
            • Readiness Probe
            • Startup Probe
            • Compiler Extension
            • Configuration Center Extension
            • Metadata Center Extension
            • Message Dispatch Extension
            • Thread Pool Extension
            • Serialization Extension
            • Network Transport Extension
            • Information Exchange Extension
            • Networking Extension
            • Peer-to-peer network node aggregator extension
            • Telnet Command Extension
            • Status Check Extension
            • Container Extension
            • Cache Extension
            • Validation Extension
            • Logger Adapter Extension
            • QoS Anonymous Access Permission Verification Extension
          • Routing Rules
          • Standalone Operation Commands (QOS)
            • QOS Overview
            • Command List
            • Detailed Explanation of Some Commands
            • Basic Command Manual
            • Service Management Commands
            • Framework status commands
            • Runtime Management of the Logging Framework
            • Performance Sampling Command
            • Router Status Command
            • Serialization Security Audit
            • Default Monitoring Metrics Command
          • Source Code Architecture
            • Single-Port Multi-Protocol
            • Code Architecture
            • Service Invocation
            • Multi-instance Deployment
            • Multi-instance Design Concept
            • Models and Concepts
            • Operating Instances in Source Code
            • Startup Process and Module Dependency
            • Extension Point Development Guide
          • Error Code FAQ
            • 0 - Common Layer
            • 0-1 - Thread Pool Resource Exhaustion
            • 0-2 - Illegal Property Value
            • 0-3 - Unable to access cache path
            • 0-4 - Cache Entry Limit Exceeded
            • 0-5 - Cache file size exceeded
            • 0-6 - Thread Interruption Exception
            • 0-7 - Reflection class not found
            • 0-8 - Reflection Failure
            • 0-9 - Notification event failure
            • 0-10 - Current call is not supported
            • 0-11 - Service Stopping Failed
            • 0-12 - Unknown Exception
            • 0-13 - An exception occurs in the metrics collector
            • 0-14 - Monitoring Exceptions
            • 0-15 - Exception Occurred When Loading Extension Class
            • 0-16 - No available executor
            • 0-17 - An unknown exception occurs when the executor is shutting down
            • 0-18 - Thread pool executor is misused
            • 0-19 - Exception Occurred While Processing Task
            • 0-20 - Exception occurs when storing stack information
            • 0-21 - Too many instances are built
            • 0-22 - Input and Output Stream Exception
            • 0-23 - Serialization data conversion exception
            • 0-24 - Exception of Overriding Field Values
            • 0-25 - Load Mapping Error
            • 0-26 - Warning message when publishing metadata service
            • 0-27 - Thread Pool Isolation Configuration Exception
            • 0-28 - Dangerous Actions
            • 0-29 - Tracer dependency not found
            • 0-99 - Called a Deprecated Method
            • 1 - Registry Center Layer
            • 1-1 - Invalid Address
            • 1-3 - URL destruction failure
            • 1-4 - Empty Address
            • 1-5 - Received URL with no parameters
            • 1-6 - Error clearing URL cache
            • 1-7 - Failed to read and write the service cache of the registry
            • 1-8 - Failure to unregister (unsubscribe) address during destruction
            • 1-9 - Failure to read and write the registry service cache
            • 1-10 - Failed to read and write the service cache of the registry
            • 1-11 - Service instance registration failure
            • 1-12 - Instances of “Registered Service” have been destroyed
            • 1-13 - Failed to execute retry task
            • 1-14 - Dynamic Configuration Recognition Failure
            • 1-15 - Service destruction failed
            • 1-16 - Unsupported categories exist
            • 1-17 - metadata Server failure
            • 1-18 - Metadata service port not provided
            • 1-19 - K8S Listener Exception
            • 1-20 - K8S Pod does not exist
            • 1-21 - No available services in K8S
            • 1-22 - Incorrect K8S configuration address
            • 1-26 - xDS Certificate Generation Failure
            • 1-27 - K8S Listening Exception
            • 1-28 - xDS Stub Error
            • 1-29 - xDS File Read Failed
            • 1-30 - xDS Request Failed
            • 1-31 - xDS Response Failure
            • 1-32 - xDS Channel initialization failure
            • 1-33 - xDS service discovery initialization failure
            • 1-34 - Error occurred while parsing xDS
            • 1-35 - ZK Exception
            • 1-36 - Unknown Exception
            • 1-37 - Nacos Exception
            • 1-38 - Socket Connection Exception
            • 1-39 - Failed to retrieve metadata
            • 1-40 - Route waiting time is too long
            • 1-41 - Istio Exception
            • 1-42 - Low Version Services Exist in Nacos
            • 2 - Routing Layer
            • 2-1 - Routing selection execution failed
            • 2-2 - No Available Provider (Address Not Found)
            • 2-3 - Route shutdown failure
            • 2-4 - Merger interface loading failure
            • 2-5 - Filtering Provider Failure
            • 2-6 - The list of providers filtered by conditional routing is empty
            • 2-7 - Condition Routing Execution Exception
            • 2-8 - Provider Returns Exception Response
            • 2-9 - Timeout check task failure
            • 2-10 - Failure to call the service provider
            • 2-11 - Invalid Tag Routing Rule
            • 2-12 - The provider application name is empty when using tag routing
            • 2-13 - Failed to receive loading mesh routing rules
            • 2-14 - Script routing execution failed
            • 2-15 - Route rule parsing failed
            • 2-16 - Request retry failed multiple times
            • 2-17 - mock request failure
            • 2-18 - Mesh routing rules not being listened to
            • 2-19 - Asynchronous Request Failure
            • 2-20 - Failed to Merge Group Result
            • 3 - Dynamic Proxy Layer
            • 3-1 - Failed to convert the address into Invoker
            • 3-2 - Failed to publish or push service
            • 3-3 - Failure to generate bytecode through Javassist
            • 3-4 - Client request timeout
            • 3-5 - Asynchronous response raises exceptions
            • 3-6 - Proxy execution service encountered an exception
            • 3-7 - Server response result timeout
            • 3-8 - Proxy Failure
            • 4 - Protocol Layer
            • 4-1 - Unsupported Protocol
            • 4-2 - An Initial Error Occurred for the Serialization Optimizer
            • 4-3 - Interface reference call failed
            • 4-4 - Unsafe Serialization Method
            • 4-5 - Stream Closure Exception
            • 4-6 - Deserialization Failure
            • 4-7 - Error Occurred When Closing Client
            • 4-8 - Error occurred when shutting down the server
            • 4-9 - Parsing Failed
            • 4-10 - Triple serialization result failure
            • 4-11 - Request initiation failed
            • 4-12 - Failed to create Triple stream
            • 4-13 - Server Timeout
            • 4-14 - Response Result Failure
            • 4-15 - Client Stream Listener
            • 4-16 - Service is closed
            • 4-17 - Errors occur when shutting down all callers
            • 4-18 - Unable to obtain service model from the call
            • 4-19 - Possible errors in parameter values
            • 4-20 - Data Decoding Failure
            • 4-21 - Unsafe serialization data detected
            • 5 - Configuration (Central) Layer
            • 5-1 - Configuration Center Connection Failure
            • 5-2 - Failure in Registering/Unregistering Shutdown Hook Methods
            • 5-3 - An unexpected error occurs when destroying method calls
            • 5-4 - Method not found in service interface
            • 5-5 - Unable to get env variable
            • 5-6 - Attribute conflict of interface types
            • 5-7 - Unexpected error occurred while canceling export
            • 5-8 - The protocol will use a randomly available port
            • 5-9 - Service configuration export failed
            • 5-10 - Service registration interface application mapping failed
            • 5-11 - Registration Instance Error
            • 5-12 - Refresh instance and metadata error
            • 5-13 - Unable to Destroy Model
            • 5-14 - Model startup error
            • 5-15 - Model Reference Error
            • 5-16 - Unable to find any valid protocol
            • 5-17 - Parameter Value Format Error
            • 5-18 - Notification Registration Event Failed
            • 5-20 - Error occurred when stopping the dubbo module
            • 5-21 - Exception occurred when destroying the service
            • 5-22 - An error occurred when initializing the registry
            • 5-23 - Waiting for export/reference service to encounter an exception
            • 5-24 - Asynchronous waiting for service reference exceptions
            • 5-25 - Custom implementation causes undefined exceptions
            • 5-26 - Metadata has been exported
            • 5-27 - Incorrect usage of internal class API
            • 5-28 - No available annotations found
            • 5-29 - Scan package not configured
            • 5-30 - Duplicate Bean Definition Declaration
            • 5-31 - Status Check Error
            • 5-32 - Error Occurred When Apollo Disconnected
            • 5-33 - Exception Occurred During Apollo Configuration Update Event
            • 5-34 - Error Occurred in NACOS
            • 5-35 - Container initialization failure
            • 5-36 - Error occurred during filter validation
            • 5-37 - Dynamic configuration listener processing error
            • 5-38 - Configuration parameter undefined
            • 5-39 - Error occurred with Dubbo Config Bean Initializer
            • 5-40 - Dubbo configuration bean not found
            • 5-41 - Failed to Read SSL Certificate
            • 5-42 - Dubbo Certificate Issuance Failure
            • 5-43 - Dubbo certificate issuance connection is insecure
            • 6 - Network Transport Layer
            • 6-1 - Server Connection Failure
            • 6-2 - Client Timeout
            • 6-3 - Network connection closure failure
            • 6-4 - Unknown Exception in Network Communication Layer
            • 6-5 - Network disconnection failure
            • 6-6 - Unsupported Message
            • 6-7 - Server connection failure
            • 6-8 - Failed to decode return data
            • 6-9 - Server Connection Failure
            • 6-10 - Payload Limit Exceeded Exception
            • 6-11 - Character set not supported
            • 6-12 - Error occurring during ZK client destruction
            • 6-13 - Stream Closed Exception
            • 6-14 - Server response failure
            • 6-15 - Skip unread stream data
            • 6-16 - Exception Occurred During Reconnection
            • 7 - QoS Plugin Module
            • 7-1 - QOS is Closed
            • 7-2 - QOS is enabled
            • 7-3 - Set the warning percentage value for timeout
            • 7-4 - QOS Service Startup Failure
            • 7-5 - QOS command not found
            • 7-6 - QOS encountered an unknown exception
            • 7-7 - QOS Unauthorized Access
            • 81 - Unit Test Helper Module (Registry)
            • 81-1 - ZK Startup Exception
            • 81-2 - ZK Destruction Exception
            • 81-3 - Unable to download file via URL
            • 81-4 - Embedded ZooKeeper Runtime Exception
            • 99 - Other Unknown Errors
            • 99-0 - Internal Unknown Error
            • 99-1 - Program Interrupted
            • Introduction to the error code mechanism
          • Upgrades and Compatibility
            • Upgrade to Dubbo3
            • Upgrade to Triple Protocol
            • Upgrade to Application-Level Service Discovery
            • Changelog
            • Upgrade from 2.x to 3.x
            • Upgrade from 3.0 to 3.1
            • Upgrade from 3.1 to 3.2
            • Upgrade from 3.2 to 3.3
      • Golang SDK
        • Framework Introduction
        • Version Information
        • Quick Start
          • Develop RPC Services
          • Developing Microservice Applications
        • Usage Tutorial
          • RPC Framework
            • Streaming Communication
            • Timeout Duration
            • Communication Protocol
            • Exception Type Return Values
            • Health Check
            • Request Retry
            • Passing Additional Parameters
            • Startup check
            • Filter Interceptor
          • Address Discovery
            • Using Nacos as the Registry
            • Using Zookeeper as a registry
            • Multiple Registration Centers
          • Load Balancing
            • Load Balancing
          • Configuration File
            • Local Configuration File
            • Remote Configuration File
          • Visual Observation
            • Framework Logs
            • Metrics Monitoring
            • End-to-End Tracing
          • Traffic Control
            • Routing Rules
            • Sentinel Rate Limiting and Downgrade
          • HTTP Gateway Access
            • Access Ingress Traffic
            • Exposing Dubbo-go services using Pixiu
          • Distributed Transactions
            • Seata Distributed Transactions
          • Interoperability with Dubbo Java
            • Non-Protobuf Mode Protocol Interoperability
            • protobuf+triple protocol intercommunication
            • Service Discovery Achieves Address Interoperability
          • Interoperability with gRPC
            • Intercommunication with gRPC applications
        • Reference Manual
          • Ecosystem Components
          • Generic Invocation
          • Using the dubbogo-cli Tool
          • Source Code Interpretation
            • Network Protocol
            • Registry
            • New features
            • Generic Call
            • Generic Invocation
            • AOP and Extension Mechanism
            • Architecture
            • The Application and Interface of Dubbo
          • Using Nacos as a Registry
      • Node.js SDK
        • Quick Start
      • Web SDK
        • Access Dubbo Services via Web Browser
      • Python SDK
        • Quick Start
        • Custom Serialization
        • Streaming Communication Model
        • Service Discovery
      • Rust SDK
        • Quick Start
        • Interoperability between Rust and Java
        • Service Discovery
        • Service Routing
        • Communication using Unix Socket Connector
        • Streaming Communication Model
      • Control Panel
        • Architecture and Installation
        • Document Query
        • Service Testing
        • Service Mock
    • Others
      • Metrics
        • Standard Monitoring Metrics
      • Integration Adaptation
        • Prometheus
        • Grafana
        • Skywalking
        • Zipkin
        • Nacos
        • Higress
        • Zookeeper
      • Proposals
        • Rest Protocol
        • Registry & Configuration & Metadata Center
        • Admin Architecture Design
        • Metrics tracking
        • Flexible Services
        • Application-level service discovery
        • Enhanced HTTP Standard Capabilities of Triple - Multi Content-Type Support
      • Protocol Specifications
        • Advantages and Goals of the Triple Protocol
        • Triple Protocol Specification
        • Dubbo2 Protocol Specification
        • HTTP Protocol Specification
      • Erlang SDK
        • Quick Start
        • Consumer Configuration
        • Provider Configuration
        • Serialization Configuration Options
      • Pixiu gateway
        • Getting Started Overview
          • What is Pixiu
          • Pixiu Terminology
          • Pixiu Frequently Asked Questions
        • User Documentation
          • Quick Start
          • Start and configuration
          • Deployment operations
          • Introduction to Listener
            • Introduction to Http Listener
            • Introduction to Http2 Listener
            • Introduction to TCP Listener
            • Introduction to Triple Listener
          • Introduction to Network Filter
            • Introduction to Http NetWorkFilter
            • Introduction to Grpc NetWorkFilter
            • Introduction to Dubbo NetWorkFilter
          • Introduction to Adapter
            • Dubbo Cluster Center Adapter
            • Spring Cloud Cluster Center Adapter
          • Introduction to Http Filter
            • Introduction to Dubbo HttpFilter
            • Introduction to RateLimiter
            • Circuit Breaker Introduction
          • Case Introduction
            • Introduction to Http Proxy Case
            • Introduction to the Http to Dubbo case
            • Https Case Introduction
          • Quality Indicators
            • Performance
            • Stability
          • Appendix
            • HTTP to Dubbo Default Conversion Protocol
        • Developer Guide
          • Introduction to the Pixiu Filter System
          • dubbo-pilot Control Plane Deployment
          • Introduction to Trie Prefix Tree
    • Security Announcements
      • Serialization Security
      • RPC Protocol Security
      • Registry Center Security
      • Dubbo Admin Security
      • Log4j Vulnerability Impact
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