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[GitHub] [dubbo-go] xmsz opened a new issue #1375: [QUESTION]如何正确启动 dubbo-go + nacos 泛化client？

xmsz opened a new issue #1375:
URL: https://github.com/apache/dubbo-go/issues/1375


   ```
   package main
   
   import (
   	"context"
   	"time"
   
   	"dubbo.apache.org/dubbo-go/v3/config"
   	gxlog "github.com/dubbogo/gost/log"
   
   	_ "github.com/apache/dubbo-go/cluster/cluster_impl"
   
   	_ "github.com/apache/dubbo-go/cluster/loadbalance"
   
   	_ "github.com/apache/dubbo-go/common/proxy/proxy_factory"
   
   	_ "github.com/apache/dubbo-go/filter/filter_impl"
   
   	_ "github.com/apache/dubbo-go/registry/protocol"
   
   	_ "github.com/apache/dubbo-go/registry/nacos"
   )
   
   var (
   	appName        = "RankConsumer"
   	referenceConig = config.ReferenceConfig{
   		InterfaceName: "org.apache.dubbo.RankProvider",
   		Cluster:       "failover",
   		Registry:      "nacos",
   		Protocol:      "tri",
   		Generic:       true,
   	}
   )
   
   func init() {
   	referenceConig.GenericLoad(appName)
   
   	time.Sleep(time.Second * 3)
   
   	select {}
   }
   
   func main() {
   
   	resp, err := referenceConig.GetRPCService().(*config.GenericService).Invoke(
   		context.TODO(),
   		[]interface{}{
   			"GetOfficialNumRank",
   			// []string{"java.lang.String"},
   			// []interface{}{"A003"},
   		},
   	)
   
   	if err != nil {
   		panic((err))
   	}
   	gxlog.CInfo("res: %+v\n", resp)
   }
   ```
   出现错误
   ```
   2021-08-10T18:06:50.528+0800	WARN	runtime/proc.go:6308	InitLog with error ioutil.ReadFile(file:../profiles/dev/log.yml) = error:open ../profiles/dev/log.yml: no such file or directory
   2021/08/10 18:06:50 [InitLog] warn: log configure file name is nil
   2021/08/10 18:06:50 [consumerInit] application configure(consumer) file name is nil
   2021/08/10 18:06:50 [providerInit] application configure(provider) file name is nil
   panic: runtime error: invalid memory address or nil pointer dereference
   [signal SIGSEGV: segmentation violation code=0x1 addr=0x20 pc=0x44f0dfc]
   
   goroutine 1 [running]:
   dubbo.apache.org/dubbo-go/v3/config.(*ReferenceConfig).getURLMap(0x4c4c7c0, 0x3)
   	/go/pkg/mod/dubbo.apache.org/dubbo-go/v3@v3.0.0-rc2/config/reference_config.go:255 +0xd9c
   dubbo.apache.org/dubbo-go/v3/config.(*ReferenceConfig).Refer(0x4c4c7c0, 0x46bd880, 0xc000304e28)
   	/go/pkg/mod/dubbo.apache.org/dubbo-go/v3@v3.0.0-rc2/config/reference_config.go:97 +0x99
   dubbo.apache.org/dubbo-go/v3/config.(*ReferenceConfig).GenericLoad(0x4c4c7c0, 0x47962b1, 0xc)
   	/go/pkg/mod/dubbo.apache.org/dubbo-go/v3@v3.0.0-rc2/config/reference_config.go:287 +0x10d
   main.init.0()
   exit status 2
   ```
   
   getURLMap异常，但是我没找到什么时候调用getURLMap()的方法，所以不知道是什么原因报错
   
   
   
   


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[GitHub] [dubbo-go] xmsz commented on issue #1375: [QUESTION]如何正确启动 dubbo-go + nacos 泛化client？

Posted by GitBox <gi...@apache.org>.
xmsz commented on issue #1375:
URL: https://github.com/apache/dubbo-go/issues/1375#issuecomment-896469301


   然后我尝试设置一个url `		config.URL = "dubbo://127.0.0.1:8848"`
   
   调试信息变多了，但是还是没有执行方法
   
   ```
   2021-08-11T10:46:49.471+0800	ERROR	dubbo/dubbo_codec.go:244	pkg.Unmarshal(len(@data):0) = error:illegal package!
   github.com/apache/dubbo-go-hessian2.init
   
   	getty/readwriter.go:60	pkg.Unmarshal(ss:&{name:client endPoint:0xc00021d4a0 Connection:0xc000219450 listener:0xc00020d390 reader:0xc0002082b0 writer:0xc0002082b0 maxMsgLen:102400 period:30000000000 wait:1000000000 once:0xc000212700 done:0xc000382300 attrs:0xc00020d380 grNum:2 rDone:0xc000382360 lock:{w:{state:0 sema:0} writerSem:0 readerSem:0 readerCount:0 readerWait:0}}, len(@data):590) = error:illegal package!
   github.com/apache/dubbo-go-hessian2.init
   
   ```


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[GitHub] [dubbo-go] LaurenceLiZhixin commented on issue #1375: [QUESTION]如何正确启动 dubbo-go + nacos 泛化client？

Posted by GitBox <gi...@apache.org>.
LaurenceLiZhixin commented on issue #1375:
URL: https://github.com/apache/dubbo-go/issues/1375#issuecomment-898162038


   @xavier-niu 
   Pls follow up on this issue.


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[GitHub] [dubbo-go] xmsz commented on issue #1375: [QUESTION]如何正确启动 dubbo-go + nacos 泛化client？

Posted by GitBox <gi...@apache.org>.
xmsz commented on issue #1375:
URL: https://github.com/apache/dubbo-go/issues/1375#issuecomment-896525316


   > 建议优先考虑使用配置文件的形式进行启动
   
   ok 然后我用配置试了一下
   ```
   result err: Failed to invoke the method $invoke. No provider available for the service dubbo://:@192.168.1.83:80/?interface=org.apache.dubbo.RankProvider&group=&version= from registry nacos://127.0.0.1:8848?group=&registry=nacos&registry.label=true&registry.preferred=false&registry.role=0&registry.timeout=3s&registry.ttl=10m&registry.weight=0&registry.zone=&simplified=false on the consumer 192.168.1.83 using the dubbo version 1.5.6 .Please check if the providers have been started and registered.
   ```
   
   为什么会有`@192.168.1.83:80/` 这个我要哪里设置


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[GitHub] [dubbo-go] LaurenceLiZhixin commented on issue #1375: [QUESTION]如何正确启动 dubbo-go + nacos 泛化client？

Posted by GitBox <gi...@apache.org>.
LaurenceLiZhixin commented on issue #1375:
URL: https://github.com/apache/dubbo-go/issues/1375#issuecomment-898173101


   @xmsz 
   You can join our dingtalk group:23331795 and discuss the problem together.
   I found a problem that, pb serialization service can't  be generic invoked. 
   I'm not sure which serialization type you choose in your server side.
   


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[GitHub] [dubbo-go] xmsz edited a comment on issue #1375: [QUESTION]如何正确启动 dubbo-go + nacos 泛化client？

Posted by GitBox <gi...@apache.org>.
xmsz edited a comment on issue #1375:
URL: https://github.com/apache/dubbo-go/issues/1375#issuecomment-896469301


   然后我尝试设置一个url `		config.URL = "dubbo://127.0.0.1:8848"`
   
   调试信息变多了，但是还是没有执行方法
   
   ```
   2021-08-11T10:46:49.471+0800	ERROR	dubbo/dubbo_codec.go:244	pkg.Unmarshal(len(@data):0) = error:illegal package!
   github.com/apache/dubbo-go-hessian2.init
   
   	getty/readwriter.go:60	pkg.Unmarshal(ss:&{name:client endPoint:0xc00021d4a0 Connection:0xc000219450 listener:0xc00020d390 reader:0xc0002082b0 writer:0xc0002082b0 maxMsgLen:102400 period:30000000000 wait:1000000000 once:0xc000212700 done:0xc000382300 attrs:0xc00020d380 grNum:2 rDone:0xc000382360 lock:{w:{state:0 sema:0} writerSem:0 readerSem:0 readerCount:0 readerWait:0}}, len(@data):590) = error:illegal package!
   github.com/apache/dubbo-go-hessian2.init
    maybe the client read timeout or fail to decode tcp stream in Writer.Write
   
   ```


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[GitHub] [dubbo-go] ChangedenCZD commented on issue #1375: [QUESTION]如何正确启动 dubbo-go + nacos 泛化client？

Posted by GitBox <gi...@apache.org>.
ChangedenCZD commented on issue #1375:
URL: https://github.com/apache/dubbo-go/issues/1375#issuecomment-896479175


   我尝试补充dubbo-go-sample的实例


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[GitHub] [dubbo-go] LaurenceLiZhixin closed issue #1375: [QUESTION]如何正确启动 dubbo-go + nacos 泛化client？

Posted by GitBox <gi...@apache.org>.
LaurenceLiZhixin closed issue #1375:
URL: https://github.com/apache/dubbo-go/issues/1375


   


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[GitHub] [dubbo-go] xmsz commented on issue #1375: [QUESTION]如何正确启动 dubbo-go + nacos 泛化client？

Posted by GitBox <gi...@apache.org>.
xmsz commented on issue #1375:
URL: https://github.com/apache/dubbo-go/issues/1375#issuecomment-896541854


   我好像找到我大部分问题的所在了
   
   我用的是dubbo3，但是我的samples的分支一直是master(2.0)。导致服务一直对不上 
   
   我再试一试
   
   


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[GitHub] [dubbo-go] ChangedenCZD commented on issue #1375: [QUESTION]如何正确启动 dubbo-go + nacos 泛化client？

Posted by GitBox <gi...@apache.org>.
ChangedenCZD commented on issue #1375:
URL: https://github.com/apache/dubbo-go/issues/1375#issuecomment-896565247


   > 我好像找到我大部分问题的所在了
   > 
   > 我用的是dubbo3，但是我的samples的分支一直是master(2.0)。导致服务一直对不上
   > 
   > 我再试一试
   
   ```go
   import (
   	"context"
   	"time"
   
   	"dubbo.apache.org/dubbo-go/v3/config"
   	gxlog "github.com/dubbogo/gost/log"
   
   	_ "dubbo.apache.org/dubbo-go/v3/cluster/cluster_impl"
   
   	_ "dubbo.apache.org/dubbo-go/v3/cluster/loadbalance"
   
   	_ "dubbo.apache.org/dubbo-go/v3/common/proxy/proxy_factory"
   
   	_ "dubbo.apache.org/dubbo-go/v3/filter/filter_impl"
   
   	_ "dubbo.apache.org/dubbo-go/v3/registry/protocol"
   
   	_ "dubbo.apache.org/dubbo-go/v3/registry/nacos"
   )
   ```


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[GitHub] [dubbo-go] xmsz commented on issue #1375: [QUESTION]如何正确启动 dubbo-go + nacos 泛化client？

Posted by GitBox <gi...@apache.org>.
xmsz commented on issue #1375:
URL: https://github.com/apache/dubbo-go/issues/1375#issuecomment-899202911


   > @xmsz Any feedback？
   
   最近没时间测了 我过段时间再反馈


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[GitHub] [dubbo-go] xmsz commented on issue #1375: [QUESTION]如何正确启动 dubbo-go + nacos 泛化client？

Posted by GitBox <gi...@apache.org>.
xmsz commented on issue #1375:
URL: https://github.com/apache/dubbo-go/issues/1375#issuecomment-896684266


   @ChangedenCZD 不好意思 我可能还是需要一个DEMO
   
   dubbo-go3 + tri + protobuf + nacos +泛化
   
   我现在还是没跑通 
   
   3.0 Sample里的generic DEMO，我本地能跑通，但是一改就崩 太难受了


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[GitHub] [dubbo-go] ChangedenCZD commented on issue #1375: [QUESTION]如何正确启动 dubbo-go + nacos 泛化client？

Posted by GitBox <gi...@apache.org>.
ChangedenCZD commented on issue #1375:
URL: https://github.com/apache/dubbo-go/issues/1375#issuecomment-896424723


   你可以参照这个测试用例试试[https://github.com/apache/dubbo-go/blob/3.0/config/reference_config_test.go](https://github.com/apache/dubbo-go/blob/3.0/config/reference_config_test.go)


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[GitHub] [dubbo-go] LaurenceLiZhixin closed issue #1375: [QUESTION]如何正确启动 dubbo-go + nacos 泛化client？

Posted by GitBox <gi...@apache.org>.
LaurenceLiZhixin closed issue #1375:
URL: https://github.com/apache/dubbo-go/issues/1375


   


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[GitHub] [dubbo-go] ChangedenCZD commented on issue #1375: [QUESTION]如何正确启动 dubbo-go + nacos 泛化client？

Posted by GitBox <gi...@apache.org>.
ChangedenCZD commented on issue #1375:
URL: https://github.com/apache/dubbo-go/issues/1375#issuecomment-898182634


   > @ChangedenCZD 不好意思 我可能还是需要一个DEMO
   > 
   > dubbo-go3 + tri + protobuf + nacos +泛化
   > 
   > 我现在还是没跑通
   > 
   > 3.0 Sample里的generic DEMO，我本地能跑通，但是一改就崩 太难受了
   
   补充了demo，您可以去[protobuf-and-nacos-sample-pr](https://github.com/apache/dubbo-go-samples/pull/194)或[protobuf-and-nacos-sample-code](https://github.com/Chans-Open-Source/dubbo-go-samples/tree/feature/protobuf-and-nacos)拉取相关代码，看看是否能解决您部分疑惑。


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[GitHub] [dubbo-go] ChangedenCZD commented on issue #1375: [QUESTION]如何正确启动 dubbo-go + nacos 泛化client？

Posted by GitBox <gi...@apache.org>.
ChangedenCZD commented on issue #1375:
URL: https://github.com/apache/dubbo-go/issues/1375#issuecomment-896533509


   在对应的reference配置加check: false
   ```yml
   references:
     "UserProvider":
       registry: "demoZk"
       protocol : "dubbo"
       interface : "org.apache.dubbo.UserProvider"
       cluster: "failover"
       check: false
       methods :
       - name: "GetUser"
         retries: 3
   ```


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[GitHub] [dubbo-go] xmsz edited a comment on issue #1375: [QUESTION]如何正确启动 dubbo-go + nacos 泛化client？

Posted by GitBox <gi...@apache.org>.
xmsz edited a comment on issue #1375:
URL: https://github.com/apache/dubbo-go/issues/1375#issuecomment-896436737


   > 你可以参照这个测试用例试试https://github.com/apache/dubbo-go/blob/3.0/config/reference_config_test.go
   
   有没有简单一点的DEMO，因为刚学有点想先实现看看效果。普通调用没问题就是泛化没有完整DEMO不知道怎么跑，现在DEMO里的我跑不起来
   
   现在遇到
   ```
   panic: Failed to invoke the method $invoke. No provider available for the service dubbo://:@192.168.1.83:80/?interface=org.apache.dubbo.RankProvider&group=&version= from registry nacos://127.0.0.1:8848?group=&registry=nacos&registry.label=true&registry.preferred=false&registry.role=0&registry.timeout=&registry.ttl=&registry.weight=0&registry.zone=&simplified=false on the consumer 192.168.1.83 using the dubbo version 3.0.0 .Please check if the providers have been started and registered.
   ```


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[GitHub] [dubbo-go] ChangedenCZD commented on issue #1375: [QUESTION]如何正确启动 dubbo-go + nacos 泛化client？

Posted by GitBox <gi...@apache.org>.
ChangedenCZD commented on issue #1375:
URL: https://github.com/apache/dubbo-go/issues/1375#issuecomment-896508021


   建议优先考虑使用配置文件的形式进行启动


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[GitHub] [dubbo-go] xmsz commented on issue #1375: [QUESTION]如何正确启动 dubbo-go + nacos 泛化client？

Posted by GitBox <gi...@apache.org>.
xmsz commented on issue #1375:
URL: https://github.com/apache/dubbo-go/issues/1375#issuecomment-896479940


   > 我尝试补充dubbo-go-sample的实例
   
   感恩！


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[GitHub] [dubbo-go] ChangedenCZD edited a comment on issue #1375: [QUESTION]如何正确启动 dubbo-go + nacos 泛化client？

Posted by GitBox <gi...@apache.org>.
ChangedenCZD edited a comment on issue #1375:
URL: https://github.com/apache/dubbo-go/issues/1375#issuecomment-896533509


   原因是没有先启动相关的provider实例，可在对应的reference配置加check: false
   ```yml
   references:
     "UserProvider":
       registry: "demoZk"
       protocol : "dubbo"
       interface : "org.apache.dubbo.UserProvider"
       cluster: "failover"
       check: false
       methods :
       - name: "GetUser"
         retries: 3
   ```


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[GitHub] [dubbo-go] xmsz commented on issue #1375: [QUESTION]如何正确启动 dubbo-go + nacos 泛化client？

Posted by GitBox <gi...@apache.org>.
xmsz commented on issue #1375:
URL: https://github.com/apache/dubbo-go/issues/1375#issuecomment-895948042


   如果通过RPCService调用
   ```
   resp, err := config.GetRPCService(ProviderImplName).(*config.GenericService).Invoke(
   		context.TODO(),
   		[]interface{}{
   			"GetOfficialNumRank",
   			[]string{ProviderImplName},
   			[]interface{}{accountId},
   		},
   	)
   ```
   则出现
   ```
   panic: reflect: call of reflect.Value.Call on zero Value
   
   goroutine 20 [running]:
   reflect.flag.mustBe(...)
   	/usr/local/go/src/reflect/value.go:221
   reflect.Value.Call(0x0, 0x0, 0x0, 0xc0000bd6f8, 0x1, 0x10, 0x0, 0x0, 0xc000340be8)
   	/usr/local/go/src/reflect/value.go:335 +0x174
   github.com/dubbogo/triple/pkg/triple.getInvoker(0x49bf980, 0xc0001a88e8, 0xc000144050, 0x0, 0x4a05e00)
   	/go/pkg/mod/github.com/dubbogo/triple@v1.0.2/pkg/triple/dubbo3_conn.go:61 +0x1ba
   github.com/dubbogo/triple/pkg/triple.NewTripleClient(0x49bf980, 0xc0001a88e8, 0xc000164180, 0xc000164180, 0xc00000e438, 0x0)
   	/go/pkg/mod/github.com/dubbogo/triple@v1.0.2/pkg/triple/dubbo3_client.go:72 +0x211
   dubbo.apache.org/dubbo-go/v3/protocol/dubbo3.NewDubboInvoker(0xc000160180, 0x4a04401, 0x4b59290, 0x5226cf0)
   	...
   
   ```


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[GitHub] [dubbo-go] LaurenceLiZhixin commented on issue #1375: [QUESTION]如何正确启动 dubbo-go + nacos 泛化client？

Posted by GitBox <gi...@apache.org>.
LaurenceLiZhixin commented on issue #1375:
URL: https://github.com/apache/dubbo-go/issues/1375#issuecomment-898883038


   @xmsz Any feedback？


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[GitHub] [dubbo-go] xmsz commented on issue #1375: [QUESTION]如何正确启动 dubbo-go + nacos 泛化client？

Posted by GitBox <gi...@apache.org>.
xmsz commented on issue #1375:
URL: https://github.com/apache/dubbo-go/issues/1375#issuecomment-896436737


   > 你可以参照这个测试用例试试https://github.com/apache/dubbo-go/blob/3.0/config/reference_config_test.go
   
   有没有简单一点的DEMO，因为刚学有点想先实现看看效果
   
   现在遇到
   ```
   panic: Failed to invoke the method $invoke. No provider available for the service dubbo://:@192.168.1.83:80/?interface=org.apache.dubbo.RankProvider&group=&version= from registry nacos://127.0.0.1:8848?group=&registry=nacos&registry.label=true&registry.preferred=false&registry.role=0&registry.timeout=&registry.ttl=&registry.weight=0&registry.zone=&simplified=false on the consumer 192.168.1.83 using the dubbo version 3.0.0 .Please check if the providers have been started and registered.
   ```


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[GitHub] [dubbo-go] LaurenceLiZhixin closed issue #1375: [QUESTION]如何正确启动 dubbo-go + nacos 泛化client？

Posted by GitBox <gi...@apache.org>.
LaurenceLiZhixin closed issue #1375:
URL: https://github.com/apache/dubbo-go/issues/1375


   


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