Release Notes

---

3.0.0

New Features

• Add triple protocol
• Add dubbo3 router
• Add app-level remote service discovery
• Add default config
• Add pass through proxy factory

Enhancement

• Replace default config string with const value
• Add retry times in zookeeper starting
• Client pool enhance
• Impl the way of load configure file

Bugfixes

• Fix: get failback error
• Fix: delete a service provider when using k8s hpa
• Fix: fix reExporter bug when config-center {applicationName}.configurator data change
• Fix: stop the provider app panic error

Dependencies

• bump github.com/RoaringBitmap/roaring from 0.6.0 to 0.6.1
• bump github.com/RoaringBitmap/roaring from 0.5.5 to 0.6.0
• bump github.com/RoaringBitmap/roaring from 0.5.5 to 0.6.0
• Bump github.com/magiconair/properties from 1.8.4 to 1.8.5

Milestone:

• https://github.com/apache/dubbo-go/milestone/9

1.5.6

New Features

• Add dubbo-go-cli telnet tool
• Add Prox ImplementFunc to allow override impl
• Add read configuration path from the command line when start
• Add use invoker with same ip as client first
• Add an "api way" to set general configure
• Add registry ip:port set from enviroment variable

Enhancement

• introduce ConfigPostProcessor extension
• Impl extension of two urls comparison
• using event-driven to let router send signal to notify channel
• lint codes
• Imp: destroy invoker smoothly
• Improve config center

Bugfixes

• Fix: generic struct2MapAll key of map keep type
• Fix: when events empty, delete all the invokers
• Fix: file service discovery run in windows
• Fix: make metadata report work without serviceDiscovery
• Fix: consumer invoker cache set nil after the ZK connection is lost
• Fix: integration test in Github action
• Fix: etcd exit panic
• Fix: when connect to provider fail, will occur panic
• Fix: support getty send Length, when the data transfer failed
• Fix: RPCInvocation.ServiceKey use PATH_KEY instead of INTERFACE_KEY 
• Fix: zk too many tcp conn
• Fix: fix zk listener func pathToKey
• Fix: graceful shutdown
• Fix: nacos service provider does not require subscribe
• Fix: key of generic map convert is more general
• Fix: body buffer too short

Dependencies

• Bump dubbo-go-hessian2 from v1.9.0-rc1 to v1.9.1
• Bump github.com/nacos-group/nacos-sdk-go from 1.0.5 to v1.0.7

Milestone:

• https://github.com/apache/dubbo-go/milestone/7
• https://github.com/apache/dubbo-go/milestone/10

1.5.5

New Features

• Add Address notification batch mode
• Add dubbo-gen stream support
• Add Change verify to Makefile
• Add more automatic components
• Add grpc max message size config

Enhancement

• when it need local ip, it will get it every time. We can get local ip once, and reused it
• enhance client's connectivity
• Imp: get local ip once and reused it
• Remove unmeaning logic

Bugfixes

• Fix: nacos registry can not get namespaceId @peaman
• Fix: url encode
• Fix: try to fix too many files open error
• Fix: refact heartbeat
• Fix: router_config add &url to url
• Fix: Router chain can not build immediately when started
• Fix: client block until timeout when provider return with PackageResponse_Exception
• Fix: URL.String() data race panic
• Fix: generic "encode hessian.Object"

Dependencies

• Bump github.com/mitchellh/mapstructure from 1.2.3 to 1.3.3
• Bump github.com/go-resty/resty/v2 from 2.1.0 to 2.3.0
• Bump github.com/opentracing/opentracing-go from 1.1.0 to 1.2.0
• Bump github.com/creasty/defaults from 1.3.0 to 1.5.1
• Bump github.com/dubbogo/gost from 1.9.1 to 1.9.2
• Bump github.com/zouyx/agollo/v3 from 3.4.4 to 3.4.5
• Bump github.com/golang/mock from 1.3.1 to 1.4.4
• Bump github.com/nacos-group/nacos-sdk-go from 1.0.0 to 1.0.1
• Bump github.com/magiconair/properties from 1.8.1 to 1.8.4
• Bump github.com/prometheus/client_golang from 1.1.0 to 1.8.0
• Bump go.uber.org/atomic from 1.6.0 to 1.7.0

Milestone: https://github.com/apache/dubbo-go/milestone/5

1.4.5

Bugfixes

• Fix too many files open error @wenxuwan Milestone: https://github.com/apache/dubbo-go/milestone/6

1.5.4

Bugfixes

• Fix etcd cluster reconnect
• Fix zookeeper deadlock problem
• Fix generic struct2MapAll
• Fix Consumer panic when restart provider
• Fix etcd can not registry @lin-jianjun
• Fix cannot call go provider service when used by java dubbo 2.7.7 version @jack15083
• Fix go client quit abnormally when it connects java server @wenxuwan
• Fix sentinel windows issue @louyuting
• Fix metadata default port @sanxun0325
• Fix consul can not destory @LaurenceLiZhixin

Milestone: https://github.com/apache/dubbo-go/milestone/6

1.5.3

New Features

• Add consul service discovery @zhangshen023
• Add File system service discovery @DogBaoBao
• Migrate travis Ci to Github Actions @sdttttt
• Add sentinel-golang flow control/circuit breaker @louyuting
• Add dubbo-go docs and blog into doc directory @oaoit

Enhancement

• Add address notification batch mode @beiwei30
• Refactor network and codec model @fangyincheng @georgehao
• Remove unnecessary return and judgement @YongHaoWu
• Improve exporter append method @gaoxinge
• Refactor for proxyInvoker cannot be extended @cvictory
• Refactor attachment type from map[string]stiring to map[string]interface{} @cvictory
• Improve map access concurrency @skyao
• Improve code quantity @gaoxinge

Bugfixes

• Fix etcdv3 lease @zhangshen023
• Fix rename SethealthChecker to SetHealthChecker @watermelo
• Fix init config problem in HystrixFilter @YGrylls
• Fix zookeeper listener report error after started @wenxuwan

Milestone: https://github.com/apache/dubbo-go/milestone/4

Project: https://github.com/apache/dubbo-go/projects/10

1.5.4

Bugfixes

• Fix etcd cluster reconnect
• Fix zookeeper deadlock problem
• Fix generic struct2MapAll
• Fix Consumer panic when restart provider
• Fix etcd can not registry @lin-jianjun
• Fix cannot call go provider service when used by java dubbo 2.7.7 version @jack15083
• Fix go client quit abnormally when it connects java server @wenxuwan
• Fix sentinel windows issue @louyuting
• Fix metadata default port @sanxun0325
• Fix consul can not destory @LaurenceLiZhixin

Milestone: https://github.com/apache/dubbo-go/milestone/6

1.5.3

New Features

• Add consul service discovery @zhangshen023
• Add File system service discovery @DogBaoBao
• Migrate travis Ci to Github Actions @sdttttt
• Add sentinel-golang flow control/circuit breaker @louyuting
• Add dubbo-go docs and blog into doc directory @oaoit

Enhancement

• Add address notification batch mode @beiwei30
• Refactor network and codec model @fangyincheng @georgehao
• Remove unnecessary return and judgement @YongHaoWu
• Improve exporter append method @gaoxinge
• Refactor for proxyInvoker cannot be extended @cvictory
• Refactor attachment type from map[string]stiring to map[string]interface{} @cvictory
• Improve map access concurrency @skyao
• Improve code quantity @gaoxinge

Bugfixes

• Fix etcdv3 lease @zhangshen023
• Fix rename SethealthChecker to SetHealthChecker @watermelo
• Fix init config problem in HystrixFilter @YGrylls
• Fix zookeeper listener report error after started @wenxuwan

Milestone: https://github.com/apache/dubbo-go/milestone/4

Project: https://github.com/apache/dubbo-go/projects/10

1.5.1

New Features

• Add dynamic tag router
• Add TLS support
• Add Nearest first for multiple registry
• Add application and service level router
• Add dynamic tag router

Enhancement

• Avoid init the log twice
• Correct words and format codes
• Change log stack level from warn to error
• Optimize remotes configuration

Bugfixes

• Fix register service instance after provider config load
• Fix call subscribe function asynchronously
• Fix tag router rule copy
• Fix nacos unit test failed
• Fix can not inovke nacos destroy when graceful shutdown
• Fix zk lost event
• Fix k8s ut bug

Milestone: https://github.com/apache/dubbo-go/milestone/2?closed=1

Project: https://github.com/apache/dubbo-go/projects/8

1.5.0

New Features

• Application-Level Registry Model
  • DelegateMetadataReport & RemoteMetadataService
  • Nacos MetadataReport implementation
  • Nacos service discovery
  • Zk metadata service
  • Zk service discovery
  • Etcd metadata report
  • Etcd metadata service discovery
• Support grpc json protocol
• Ftr: using different labels btw provider and consumer, k8s service discovery across namespaces

Enhancement

• Optimize err handling
• Add attribute method into Invocation and RpcInvocation
• Optimize lock for zookeeper registry
• Improve code coverage of zookeeper config center
• Improve code coverage of nacos config center and configuration parser
• Kubernetes as registry enhance
• Optimize zk client's lock and tests
• Add setInvoker method for invocation
• Upgrade getty & hessian2
• Optimize router design: Extract priority router
• NamespaceId config for nacos

Bugfixes

• Fix Gitee problem
• Gitee quality analyses -- common
• Nacos client logDir path seperator for Windows
• Fix various linter warnings
• Fixed some issues in config folder that reported by sonar-qube
• Zk disconnected, dubbo-go panic when subscribe
• Enhancement cluster code analysis

Document & Comment

• Add comment for common directory
• Add comments for config_center
• Update the comments in metrics
• Add comments for config
• Updated the dubbo-go-ext image
• Add comment for cluster
• Update the comments in filter directory
• Add comment for metadata
• Update the comments in protocol directory
• Add comments for remoting
• Update the comments in registy directory

1.4.0

New Features

• Condition router
• Context support
• Opentracing & transfer context end to end for jsonrpc protocol
• Opentracing & transfer context end to end for dubbo protocol
• Grpc tracing for client and server
• Nacos config center
• Prometheus support
• Support sign and auth for request
• Healthy instance first router
• User can add attachments for dubbo protocol
• K8s as registry
• Rest protocol

Enhancement

• Reduce the scope of lock in zk listener
• Trace error of getGettyRpcClient
• Refactor to add base_registry
• Do not listen to directory event if zkPath ends with providers/ or consumers/

Bugfixes

• Handle the panic when invoker was destroyed
• HessianCodec failed to check package header length

1.3.0

New Features

• Add apollo config center support
• Gracefully shutdown
• Add consistent hash load balance support
• Add sticky connection support
• Add async call for dubbo protocol
• Add generic implement
• Add request timeout for method
• Add grpc protocol

Enhancement

• The SIGSYS and SIGSTOP are not supported in windows platform
• Error should be returned when NewURL failed
• Split config center GetConfig method
• Modify closing method for dubbo protocol
• Add SetLoggerLevel method
• Change the position of the lock
• Change zk version and add base_registry

Bugfixes

• Fix negative wait group count
• After disconnection with ZK registry, cosumer can't listen to provider changes
• The generic filter and default reference filters lack ','
• Url encode zkpath
• Fix jsonrpc about HTTP/1.1
• Fix zk bug
• HessianCodec failed to check package header length

1.2.0

New Features

• Add etcdv3 registry support
• Add nacos registry support
• Add fail fast cluster support
• Add available cluster support
• Add broadcast cluster support
• Add forking cluster support
• Add service token authorization support
• Add accessLog filter support
• Add tps limit support
• Add execute limit support
• Move callService to invoker & support attachments
• Move example in dubbo-go project away
• Support dynamic config center which compatible with dubbo 2.6.x & 2.7.x and commit the zookeeper impl

Enhancement

• Split gettyRPCClient.close and gettyRPCClientPool.remove in protocol/dubbo/pool.go
• Remove client from pool before closing it
• Enhance the logic for fetching the local address
• Add protocol_conf default values
• Add task pool for getty
• Update getty: remove read queue
• Clean heartbeat from PendingResponse

Bugfixes

• GettyRPCClientPool remove deadlock
• Fix failover cluster bug and url parameter retries change int to string type
• Fix url params unsafe map
• Read protocol config by map key in config yaml instead of protocol name
• Fix dubbo group issues #238 pr #243 and pr #244
• Fix bug in reference_config
• Fix high memory bug in zookeeper listener

1.1.0

New Features

• Support Java bigdecimal
• Support all JDK exceptions
• Support multi-version of service
• Allow user set custom params for registry
• Support zookeeper config center
• Failsafe/Failback Cluster Strategy

Enhancement

• Use time wheel instead of time.After to defeat timer object memory leakage

Bugfixes

• Preventing dead loop when got zookeeper unregister event
• Delete ineffassign
• Add wg.Done() for mockDataListener
• Delete wrong spelling words
• Use sync.Map to defeat from gettyClientPool deadlock
• Handle panic when function args list is empty
• url.Values is not safe map