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Posted to dev@skywalking.apache.org by "Wangpeng (Forest, ISCP SRE)" <fo...@huawei.com> on 2021/09/14 10:37:42 UTC

What's the reason for this ERROR?

Hi Community:
	I am using 8.7.0 agent and OAP.
	In the Agent Log, I found this ERROR. Can any body help to tell me the reason?

ERROR 2021-09-14 18:12:16:046 grpc-default-executor-0 EventReportServiceClient : Failed to report starting event. 
org.apache.skywalking.apm.dependencies.io.grpc.StatusRuntimeException: UNIMPLEMENTED: Method not found: skywalking.v3.EventService/collect
	at org.apache.skywalking.apm.dependencies.io.grpc.Status.asRuntimeException(Status.java:533)
	at org.apache.skywalking.apm.dependencies.io.grpc.stub.ClientCalls$StreamObserverToCallListenerAdapter.onClose(ClientCalls.java:478)
	at org.apache.skywalking.apm.dependencies.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:413)
	at org.apache.skywalking.apm.dependencies.io.grpc.internal.ClientCallImpl.access$500(ClientCallImpl.java:66)
	at org.apache.skywalking.apm.dependencies.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:742)
	at org.apache.skywalking.apm.dependencies.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:721)
	at org.apache.skywalking.apm.dependencies.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37)
	at org.apache.skywalking.apm.dependencies.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:123)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
	at java.base/java.lang.Thread.run(Thread.java:834)

Thank you in advance!
B.R.

RE: What's the reason for this ERROR?

Posted by "Wangpeng (Forest, ISCP SRE)" <fo...@huawei.com>.
You are right. that's my fault.

thank you very much, Wu!




________________________________

王鹏 Wang Peng
Mobile: +86-18819098567<tel:+86-18819098567>(China)
Email: forest.wang@huawei.com<ma...@huawei.com>

发件人:Sheng Wu <wu...@gmail.com>
收件人:dev <de...@skywalking.apache.org>
时 间:2021-09-15 09:42:46
主 题:Re: What's the reason for this ERROR?

Still, this is something you changed locally.
I just checked release tag, this is activated in default.
https://github.com/apache/skywalking/blob/v8.7.0/oap-server/server-bootstrap/src/main/resources/application.yml#L510-L511

Sheng Wu 吴晟
Twitter, wusheng1108

Wangpeng (Forest, ISCP SRE) <fo...@huawei.com> 于2021年9月15日周三 上午9:27写道:
>
> Thank you Wu.
>
> According to your guide, I found the reason is I didn't enable the selector of receiver-event which is the initial setting of 8.7.0 oap.
> receiver-event:
>   selector: ${SW_RECEIVER_EVENT:-}
>   default:
>
> B.T.W:
> My agent and oap versions are compatible.
>
> -----邮件原件-----
> 发件人: Sheng Wu [mailto:wu.sheng.841108@gmail.com]
> 发送时间: 2021年9月14日 19:51
> 收件人: dev@skywalking.apache.org
> 主题: Re: What's the reason for this ERROR?
>
> No, you are not. The error proved your backend version is much lower.
>
> Wangpeng (Forest, ISCP SRE) <fo...@huawei.com>于2021年9月14日 周二下午7:18写道:
>
> > Yes, my agent is Java 8.7.0, oap is 8.7.0
> >
> > This pair is in list.
> >
> > -----邮件原件-----
> > 发件人: Sheng Wu [mailto:wu.sheng.841108@gmail.com]
> > 发送时间: 2021年9月14日 19:15
> > 收件人: dev@skywalking.apache.org
> > 主题: Re: What's the reason for this ERROR?
> >
> >
> > https://skywalking.apache.org/docs/main/latest/en/setup/service-agent/
> > agent-compatibility/
> >
> > Take a look at compatibility doc first. You can't randomly choose versions.
> >
> > Wangpeng (Forest, ISCP SRE) <fo...@huawei.com>于2021年9月14日
> > 周二下午6:38写道:
> >
> > > Hi Community:
> > >         I am using 8.7.0 agent and OAP.
> > >         In the Agent Log, I found this ERROR. Can any body help to
> > > tell me the reason?
> > >
> > > ERROR 2021-09-14 18:12:16:046 grpc-default-executor-0
> > > EventReportServiceClient : Failed to report starting event.
> > > org.apache.skywalking.apm.dependencies.io.grpc.StatusRuntimeException:
> > > UNIMPLEMENTED: Method not found: skywalking.v3.EventService/collect
> > >         at
> > >
> > org.apache.skywalking.apm.dependencies.io.grpc.Status.asRuntimeExcepti
> > on(Status.java:533)
> > >         at
> > >
> > org.apache.skywalking.apm.dependencies.io.grpc.stub.ClientCalls$Stream
> > ObserverToCallListenerAdapter.onClose(ClientCalls.java:478)
> > >         at
> > >
> > org.apache.skywalking.apm.dependencies.io.grpc.internal.ClientCallImpl
> > .closeObserver(ClientCallImpl.java:413)
> > >         at
> > >
> > org.apache.skywalking.apm.dependencies.io.grpc.internal.ClientCallImpl
> > .access$500(ClientCallImpl.java:66)
> > >         at
> > >
> > org.apache.skywalking.apm.dependencies.io.grpc.internal.ClientCallImpl
> > $ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.jav
> > a:742)
> > >         at
> > >
> > org.apache.skywalking.apm.dependencies.io.grpc.internal.ClientCallImpl
> > $ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.ja
> > va:721)
> > >         at
> > >
> > org.apache.skywalking.apm.dependencies.io.grpc.internal.ContextRunnabl
> > e.run(ContextRunnable.java:37)
> > >         at
> > >
> > org.apache.skywalking.apm.dependencies.io.grpc.internal.SerializingExe
> > cutor.run(SerializingExecutor.java:123)
> > >         at
> > >
> > java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPool
> > Executor.java:1128)
> > >         at
> > >
> > java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoo
> > lExecutor.java:628)
> > >         at java.base/java.lang.Thread.run(Thread.java:834)
> > >
> > > Thank you in advance!
> > > B.R.
> > >
> > --
> > Sheng Wu 吴晟
> >
> > Apache SkyWalking
> > Apache Incubator
> > Apache ShardingSphere, ECharts, DolphinScheduler podlings Zipkin
> > Twitter,
> > wusheng1108
> >
> --
> Sheng Wu 吴晟
>
> Apache SkyWalking
> Apache Incubator
> Apache ShardingSphere, ECharts, DolphinScheduler podlings Zipkin Twitter, wusheng1108

Re: What's the reason for this ERROR?

Posted by Sheng Wu <wu...@gmail.com>.
Still, this is something you changed locally.
I just checked release tag, this is activated in default.
https://github.com/apache/skywalking/blob/v8.7.0/oap-server/server-bootstrap/src/main/resources/application.yml#L510-L511

Sheng Wu 吴晟
Twitter, wusheng1108

Wangpeng (Forest, ISCP SRE) <fo...@huawei.com> 于2021年9月15日周三 上午9:27写道:
>
> Thank you Wu.
>
> According to your guide, I found the reason is I didn't enable the selector of receiver-event which is the initial setting of 8.7.0 oap.
> receiver-event:
>   selector: ${SW_RECEIVER_EVENT:-}
>   default:
>
> B.T.W:
> My agent and oap versions are compatible.
>
> -----邮件原件-----
> 发件人: Sheng Wu [mailto:wu.sheng.841108@gmail.com]
> 发送时间: 2021年9月14日 19:51
> 收件人: dev@skywalking.apache.org
> 主题: Re: What's the reason for this ERROR?
>
> No, you are not. The error proved your backend version is much lower.
>
> Wangpeng (Forest, ISCP SRE) <fo...@huawei.com>于2021年9月14日 周二下午7:18写道:
>
> > Yes, my agent is Java 8.7.0, oap is 8.7.0
> >
> > This pair is in list.
> >
> > -----邮件原件-----
> > 发件人: Sheng Wu [mailto:wu.sheng.841108@gmail.com]
> > 发送时间: 2021年9月14日 19:15
> > 收件人: dev@skywalking.apache.org
> > 主题: Re: What's the reason for this ERROR?
> >
> >
> > https://skywalking.apache.org/docs/main/latest/en/setup/service-agent/
> > agent-compatibility/
> >
> > Take a look at compatibility doc first. You can't randomly choose versions.
> >
> > Wangpeng (Forest, ISCP SRE) <fo...@huawei.com>于2021年9月14日
> > 周二下午6:38写道:
> >
> > > Hi Community:
> > >         I am using 8.7.0 agent and OAP.
> > >         In the Agent Log, I found this ERROR. Can any body help to
> > > tell me the reason?
> > >
> > > ERROR 2021-09-14 18:12:16:046 grpc-default-executor-0
> > > EventReportServiceClient : Failed to report starting event.
> > > org.apache.skywalking.apm.dependencies.io.grpc.StatusRuntimeException:
> > > UNIMPLEMENTED: Method not found: skywalking.v3.EventService/collect
> > >         at
> > >
> > org.apache.skywalking.apm.dependencies.io.grpc.Status.asRuntimeExcepti
> > on(Status.java:533)
> > >         at
> > >
> > org.apache.skywalking.apm.dependencies.io.grpc.stub.ClientCalls$Stream
> > ObserverToCallListenerAdapter.onClose(ClientCalls.java:478)
> > >         at
> > >
> > org.apache.skywalking.apm.dependencies.io.grpc.internal.ClientCallImpl
> > .closeObserver(ClientCallImpl.java:413)
> > >         at
> > >
> > org.apache.skywalking.apm.dependencies.io.grpc.internal.ClientCallImpl
> > .access$500(ClientCallImpl.java:66)
> > >         at
> > >
> > org.apache.skywalking.apm.dependencies.io.grpc.internal.ClientCallImpl
> > $ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.jav
> > a:742)
> > >         at
> > >
> > org.apache.skywalking.apm.dependencies.io.grpc.internal.ClientCallImpl
> > $ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.ja
> > va:721)
> > >         at
> > >
> > org.apache.skywalking.apm.dependencies.io.grpc.internal.ContextRunnabl
> > e.run(ContextRunnable.java:37)
> > >         at
> > >
> > org.apache.skywalking.apm.dependencies.io.grpc.internal.SerializingExe
> > cutor.run(SerializingExecutor.java:123)
> > >         at
> > >
> > java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPool
> > Executor.java:1128)
> > >         at
> > >
> > java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoo
> > lExecutor.java:628)
> > >         at java.base/java.lang.Thread.run(Thread.java:834)
> > >
> > > Thank you in advance!
> > > B.R.
> > >
> > --
> > Sheng Wu 吴晟
> >
> > Apache SkyWalking
> > Apache Incubator
> > Apache ShardingSphere, ECharts, DolphinScheduler podlings Zipkin
> > Twitter,
> > wusheng1108
> >
> --
> Sheng Wu 吴晟
>
> Apache SkyWalking
> Apache Incubator
> Apache ShardingSphere, ECharts, DolphinScheduler podlings Zipkin Twitter, wusheng1108

答复: What's the reason for this ERROR?

Posted by "Wangpeng (Forest, ISCP SRE)" <fo...@huawei.com>.
Thank you Wu.

According to your guide, I found the reason is I didn't enable the selector of receiver-event which is the initial setting of 8.7.0 oap.
receiver-event:
  selector: ${SW_RECEIVER_EVENT:-}
  default:

B.T.W:
My agent and oap versions are compatible.

-----邮件原件-----
发件人: Sheng Wu [mailto:wu.sheng.841108@gmail.com] 
发送时间: 2021年9月14日 19:51
收件人: dev@skywalking.apache.org
主题: Re: What's the reason for this ERROR?

No, you are not. The error proved your backend version is much lower.

Wangpeng (Forest, ISCP SRE) <fo...@huawei.com>于2021年9月14日 周二下午7:18写道:

> Yes, my agent is Java 8.7.0, oap is 8.7.0
>
> This pair is in list.
>
> -----邮件原件-----
> 发件人: Sheng Wu [mailto:wu.sheng.841108@gmail.com]
> 发送时间: 2021年9月14日 19:15
> 收件人: dev@skywalking.apache.org
> 主题: Re: What's the reason for this ERROR?
>
>
> https://skywalking.apache.org/docs/main/latest/en/setup/service-agent/
> agent-compatibility/
>
> Take a look at compatibility doc first. You can't randomly choose versions.
>
> Wangpeng (Forest, ISCP SRE) <fo...@huawei.com>于2021年9月14日
> 周二下午6:38写道:
>
> > Hi Community:
> >         I am using 8.7.0 agent and OAP.
> >         In the Agent Log, I found this ERROR. Can any body help to 
> > tell me the reason?
> >
> > ERROR 2021-09-14 18:12:16:046 grpc-default-executor-0 
> > EventReportServiceClient : Failed to report starting event.
> > org.apache.skywalking.apm.dependencies.io.grpc.StatusRuntimeException:
> > UNIMPLEMENTED: Method not found: skywalking.v3.EventService/collect
> >         at
> >
> org.apache.skywalking.apm.dependencies.io.grpc.Status.asRuntimeExcepti
> on(Status.java:533)
> >         at
> >
> org.apache.skywalking.apm.dependencies.io.grpc.stub.ClientCalls$Stream
> ObserverToCallListenerAdapter.onClose(ClientCalls.java:478)
> >         at
> >
> org.apache.skywalking.apm.dependencies.io.grpc.internal.ClientCallImpl
> .closeObserver(ClientCallImpl.java:413)
> >         at
> >
> org.apache.skywalking.apm.dependencies.io.grpc.internal.ClientCallImpl
> .access$500(ClientCallImpl.java:66)
> >         at
> >
> org.apache.skywalking.apm.dependencies.io.grpc.internal.ClientCallImpl
> $ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.jav
> a:742)
> >         at
> >
> org.apache.skywalking.apm.dependencies.io.grpc.internal.ClientCallImpl
> $ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.ja
> va:721)
> >         at
> >
> org.apache.skywalking.apm.dependencies.io.grpc.internal.ContextRunnabl
> e.run(ContextRunnable.java:37)
> >         at
> >
> org.apache.skywalking.apm.dependencies.io.grpc.internal.SerializingExe
> cutor.run(SerializingExecutor.java:123)
> >         at
> >
> java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPool
> Executor.java:1128)
> >         at
> >
> java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoo
> lExecutor.java:628)
> >         at java.base/java.lang.Thread.run(Thread.java:834)
> >
> > Thank you in advance!
> > B.R.
> >
> --
> Sheng Wu 吴晟
>
> Apache SkyWalking
> Apache Incubator
> Apache ShardingSphere, ECharts, DolphinScheduler podlings Zipkin 
> Twitter,
> wusheng1108
>
--
Sheng Wu 吴晟

Apache SkyWalking
Apache Incubator
Apache ShardingSphere, ECharts, DolphinScheduler podlings Zipkin Twitter, wusheng1108

Re: What's the reason for this ERROR?

Posted by Sheng Wu <wu...@gmail.com>.
No, you are not. The error proved your backend version is much lower.

Wangpeng (Forest, ISCP SRE) <fo...@huawei.com>于2021年9月14日 周二下午7:18写道:

> Yes, my agent is Java 8.7.0, oap is 8.7.0
>
> This pair is in list.
>
> -----邮件原件-----
> 发件人: Sheng Wu [mailto:wu.sheng.841108@gmail.com]
> 发送时间: 2021年9月14日 19:15
> 收件人: dev@skywalking.apache.org
> 主题: Re: What's the reason for this ERROR?
>
>
> https://skywalking.apache.org/docs/main/latest/en/setup/service-agent/agent-compatibility/
>
> Take a look at compatibility doc first. You can't randomly choose versions.
>
> Wangpeng (Forest, ISCP SRE) <fo...@huawei.com>于2021年9月14日
> 周二下午6:38写道:
>
> > Hi Community:
> >         I am using 8.7.0 agent and OAP.
> >         In the Agent Log, I found this ERROR. Can any body help to
> > tell me the reason?
> >
> > ERROR 2021-09-14 18:12:16:046 grpc-default-executor-0
> > EventReportServiceClient : Failed to report starting event.
> > org.apache.skywalking.apm.dependencies.io.grpc.StatusRuntimeException:
> > UNIMPLEMENTED: Method not found: skywalking.v3.EventService/collect
> >         at
> >
> org.apache.skywalking.apm.dependencies.io.grpc.Status.asRuntimeException(Status.java:533)
> >         at
> >
> org.apache.skywalking.apm.dependencies.io.grpc.stub.ClientCalls$StreamObserverToCallListenerAdapter.onClose(ClientCalls.java:478)
> >         at
> >
> org.apache.skywalking.apm.dependencies.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:413)
> >         at
> >
> org.apache.skywalking.apm.dependencies.io.grpc.internal.ClientCallImpl.access$500(ClientCallImpl.java:66)
> >         at
> >
> org.apache.skywalking.apm.dependencies.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:742)
> >         at
> >
> org.apache.skywalking.apm.dependencies.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:721)
> >         at
> >
> org.apache.skywalking.apm.dependencies.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37)
> >         at
> >
> org.apache.skywalking.apm.dependencies.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:123)
> >         at
> >
> java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
> >         at
> >
> java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
> >         at java.base/java.lang.Thread.run(Thread.java:834)
> >
> > Thank you in advance!
> > B.R.
> >
> --
> Sheng Wu 吴晟
>
> Apache SkyWalking
> Apache Incubator
> Apache ShardingSphere, ECharts, DolphinScheduler podlings Zipkin Twitter,
> wusheng1108
>
-- 
Sheng Wu 吴晟

Apache SkyWalking
Apache Incubator
Apache ShardingSphere, ECharts, DolphinScheduler podlings
Zipkin
Twitter, wusheng1108

答复: What's the reason for this ERROR?

Posted by "Wangpeng (Forest, ISCP SRE)" <fo...@huawei.com>.
Yes, my agent is Java 8.7.0, oap is 8.7.0

This pair is in list.

-----邮件原件-----
发件人: Sheng Wu [mailto:wu.sheng.841108@gmail.com] 
发送时间: 2021年9月14日 19:15
收件人: dev@skywalking.apache.org
主题: Re: What's the reason for this ERROR?

https://skywalking.apache.org/docs/main/latest/en/setup/service-agent/agent-compatibility/

Take a look at compatibility doc first. You can't randomly choose versions.

Wangpeng (Forest, ISCP SRE) <fo...@huawei.com>于2021年9月14日 周二下午6:38写道:

> Hi Community:
>         I am using 8.7.0 agent and OAP.
>         In the Agent Log, I found this ERROR. Can any body help to 
> tell me the reason?
>
> ERROR 2021-09-14 18:12:16:046 grpc-default-executor-0 
> EventReportServiceClient : Failed to report starting event.
> org.apache.skywalking.apm.dependencies.io.grpc.StatusRuntimeException:
> UNIMPLEMENTED: Method not found: skywalking.v3.EventService/collect
>         at
> org.apache.skywalking.apm.dependencies.io.grpc.Status.asRuntimeException(Status.java:533)
>         at
> org.apache.skywalking.apm.dependencies.io.grpc.stub.ClientCalls$StreamObserverToCallListenerAdapter.onClose(ClientCalls.java:478)
>         at
> org.apache.skywalking.apm.dependencies.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:413)
>         at
> org.apache.skywalking.apm.dependencies.io.grpc.internal.ClientCallImpl.access$500(ClientCallImpl.java:66)
>         at
> org.apache.skywalking.apm.dependencies.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:742)
>         at
> org.apache.skywalking.apm.dependencies.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:721)
>         at
> org.apache.skywalking.apm.dependencies.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37)
>         at
> org.apache.skywalking.apm.dependencies.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:123)
>         at
> java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
>         at
> java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
>         at java.base/java.lang.Thread.run(Thread.java:834)
>
> Thank you in advance!
> B.R.
>
--
Sheng Wu 吴晟

Apache SkyWalking
Apache Incubator
Apache ShardingSphere, ECharts, DolphinScheduler podlings Zipkin Twitter, wusheng1108

Re: What's the reason for this ERROR?

Posted by Sheng Wu <wu...@gmail.com>.
https://skywalking.apache.org/docs/main/latest/en/setup/service-agent/agent-compatibility/

Take a look at compatibility doc first. You can't randomly choose versions.

Wangpeng (Forest, ISCP SRE) <fo...@huawei.com>于2021年9月14日 周二下午6:38写道:

> Hi Community:
>         I am using 8.7.0 agent and OAP.
>         In the Agent Log, I found this ERROR. Can any body help to tell me
> the reason?
>
> ERROR 2021-09-14 18:12:16:046 grpc-default-executor-0
> EventReportServiceClient : Failed to report starting event.
> org.apache.skywalking.apm.dependencies.io.grpc.StatusRuntimeException:
> UNIMPLEMENTED: Method not found: skywalking.v3.EventService/collect
>         at
> org.apache.skywalking.apm.dependencies.io.grpc.Status.asRuntimeException(Status.java:533)
>         at
> org.apache.skywalking.apm.dependencies.io.grpc.stub.ClientCalls$StreamObserverToCallListenerAdapter.onClose(ClientCalls.java:478)
>         at
> org.apache.skywalking.apm.dependencies.io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:413)
>         at
> org.apache.skywalking.apm.dependencies.io.grpc.internal.ClientCallImpl.access$500(ClientCallImpl.java:66)
>         at
> org.apache.skywalking.apm.dependencies.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:742)
>         at
> org.apache.skywalking.apm.dependencies.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:721)
>         at
> org.apache.skywalking.apm.dependencies.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37)
>         at
> org.apache.skywalking.apm.dependencies.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:123)
>         at
> java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128)
>         at
> java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628)
>         at java.base/java.lang.Thread.run(Thread.java:834)
>
> Thank you in advance!
> B.R.
>
-- 
Sheng Wu 吴晟

Apache SkyWalking
Apache Incubator
Apache ShardingSphere, ECharts, DolphinScheduler podlings
Zipkin
Twitter, wusheng1108