nicknezis commented on pull request #3607:
URL: https://github.com/apache/incubator-heron/pull/3607#issuecomment-674686905
The code edit so far fixes the issue. I see kubernetes pods get created, but
the heron scale command never returns. In the API server I see the following
error.
```
2020-08-16 17:20:26,515 DEBUG org.eclipse.jetty.io.IdleTimeout
checkIdleTimeout Scheduler-1516500233
SocketChannelEndPoint@75d932af{/172.18.0.6:58252<->/172.18.0.2:9000,OPEN,fill=-,flush=-,to=30001/30000}{io=0/0,kio=0,kro=1}->HttpConnection@168992fa[p=HttpParser{s=END,34
of
34},g=HttpGenerator@2a7986ce{s=START}]=>HttpChannelOverHttp@4c49f47a{r=1,c=false,a=DISPATCHED,uri=//heronkube-apiserver:9000/api/v1/topologies/heronkube/root/default/acking/update}
idle timeout expired
2020-08-16 17:20:26,515 DEBUG org.eclipse.jetty.io.WriteFlusher onFail
Scheduler-1516500233 ignored: WriteFlusher@71bff6c7{IDLE}->null {}
2020-08-16 17:20:26,515 DEBUG org.eclipse.jetty.io.AbstractEndPoint
onIdleExpired Scheduler-1516500233 Ignored idle endpoint
SocketChannelEndPoint@75d932af{/172.18.0.6:58252<->/172.18.0.2:9000,OPEN,fill=-,flush=-,to=30001/30000}{io=0/0,kio=0,kro=1}->HttpConnection@168992fa[p=HttpParser{s=END,34
of
34},g=HttpGenerator@2a7986ce{s=START}]=>HttpChannelOverHttp@4c49f47a{r=1,c=false,a=DISPATCHED,uri=//heronkube-apiserver:9000/api/v1/topologies/heronkube/root/default/acking/update}
2020-08-16 17:20:26,866 DEBUG org.apache.zookeeper.ClientCnxn$SendThread
readResponse qtp306980751-16-SendThread(heronkube-zookeeper:2181) Reading reply
sessionid:0x100188342a60042, packet:: clientPath:/heron/pplans/acking
serverPath:/heron/pplans/acking finished:false header:: 77,4 replyHeader::
77,430,-101 request:: '/heron/pplans/acking,F response::
2020-08-16 17:20:26,866 DEBUG org.apache.zookeeper.ClientCnxn$SendThread
readResponse qtp306980751-16-SendThread(heronkube-zookeeper:2181) Got ping
response for sessionid: 0x100188342a60042 after 0ms
[2020-08-16 17:20:26 +0000] [WARNING]
org.apache.heron.spi.statemgr.SchedulerStateManagerAdaptor: Exception
processing future: java.lang.RuntimeException: Failed to fetch data from path:
/heron/pplans/acking
[2020-08-16 17:20:26 +0000] [INFO]
org.apache.heron.scheduler.UpdateTopologyManager: Couldn't fetch physical plan
for topology acking. This is probably because stream managers are still
registering with TMaster. Will sleep and try again
```
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