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When attempting to use <gooddata.cn> 1.3.0 on kub...
# gooddata-cn
m
When attempting to use gooddata.cn 1.3.0 on kubernetes (helm install) with a postgres 13 datasource i have noticed an issue if any of the fields from a view return null
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collectLabelElements?label=viewName.columnName return {"title":"Internal Server Error","status":500,"detail":"Server-side problem. Contact support.","traceId":"3a2d82dea0f376ba"}
execute and computeValidObjects subsequently return errors as well if i add the affected columns to the target graph as well as the Connection fail, try again messages always pops up when the errors occur I adjusted my view to coalesce the specific columns to return empty strings instead and this allows the target table to work as normal
here is the corresponding error in afm
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{"ts":"2021-09-03 01:37:15.485","level":"ERROR","logger":"com.gooddata.tiger.grpc.client.aqe.AqeClient","thread":"grpc-default-executor-42","traceId":"3a2d82dea0f376ba","spanId":"3a2d82dea0f376ba","userId":"dev","orgId":"123","msg":"Failed to start computation","exc":"errorType=com.gooddata.tiger.grpc.error.GrpcPropagatedServerException, message=UNKNOWN: ,<no detail>\n\tat com.gooddata.tiger.grpc.error.GrpcPropagatedServerException.<init>(Exceptions.kt:20)\n\tat com.gooddata.tiger.grpc.error.ErrorPropagationKt.convertFromUnknownException(ErrorPropagation.kt:108)\n\tat com.gooddata.tiger.grpc.error.ErrorPropagationKt.convertToTransferableException(ErrorPropagation.kt:98)\n\tat com.gooddata.tiger.grpc.error.ErrorPropagationKt.clientCatching(ErrorPropagation.kt:72)\n\tat com.gooddata.tiger.grpc.error.ErrorPropagationKt$clientCatching$1.invokeSuspend(ErrorPropagation.kt)\n\tat kotlin.coroutines.jvm.internal.BaseContinuationImpl.resumeWith(ContinuationImpl.kt:33)\n\tat kotlinx.coroutines.DispatchedTaskKt.resume(DispatchedTask.kt:175)\n\tat kotlinx.coroutines.DispatchedTaskKt.resumeUnconfined(DispatchedTask.kt:137)\n\tat kotlinx.coroutines.DispatchedTaskKt.dispatch(DispatchedTask.kt:108)\n\tat kotlinx.coroutines.CancellableContinuationImpl.dispatchResume(CancellableContinuationImpl.kt:308)\n\tat kotlinx.coroutines.CancellableContinuationImpl.resumeImpl(CancellableContinuationImpl.kt:318)\n\tat kotlinx.coroutines.CancellableContinuationImpl.resumeWith(CancellableContinuationImpl.kt:250)\n\tat com.github.marcoferrer.krotoplus.coroutines.client.SuspendingUnaryObserver.onError(SuspendingUnaryObserver.kt:34)\n\tat io.grpc.stub.ClientCalls$StreamObserverToCallListenerAdapter.onClose(ClientCalls.java:478)\n\tat brave.grpc.TracingClientInterceptor$TracingClientCallListener.onClose(TracingClientInterceptor.java:202)\n\tat io.grpc.PartialForwardingClientCallListener.onClose(PartialForwardingClientCallListener.java:39)\n\tat io.grpc.ForwardingClientCallListener.onClose(ForwardingClien
tCallListener.java:23)\n\tat io.grpc.ForwardingClientCallListener$SimpleForwardingClientCallListener.onClose(ForwardingClientCallListener.java:40)\n\tat net.devh.boot.grpc.client.metric.MetricCollectingClientCallListener.onClose(MetricCollectingClientCallListener.java:65)\n\tat io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:617)\n\tat io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70)\n\tat io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:803)\n\tat io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:782)\n\tat io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37)\n\tat io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:123)\n\tat java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)\n\tat java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)\n\tat java.base/java.lang.Thread.run(Unknown Source)\n"}
{"ts":"2021-09-03 01:37:15.487","level":"ERROR","logger":"com.gooddata.tiger.web.exception.BaseExceptionHandling","thread":"grpc-default-executor-42","traceId":"3a2d82dea0f376ba","spanId":"3a2d82dea0f376ba","userId":"dev","orgId":"123","msg":"Internal Server Error","exc":"errorType=com.gooddata.tiger.grpc.error.GrpcPropagatedServerException, message=UNKNOWN: ,<no detail>\n\tat com.gooddata.tiger.grpc.error.GrpcPropagatedServerException.<init>(Exceptions.kt:20)\n\tSuppressed: reactor.core.publisher.FluxOnAssembly$OnAssemblyException: \nError has been observed at the following site(s):\n\t|_ checkpoint ⇢ Handler com.gooddata.tiger.afm.controller.ElementsController#processElementsRequest(String, String, ElementsOrder, boolean, boolean, String, int, int, float, boolean, ServerHttpRequest, Continuation) [DispatcherHandler]\nStack trace:\n\t\tat com.gooddata.tiger.grpc.error.GrpcPropagatedServerException.<init>(Exceptions.kt:20)\n\t\tat com.gooddata.tiger.grpc.error.ErrorPropagationKt.convertFromUnknownException(ErrorPropagation.kt:108)\n\t\tat com.gooddata.tiger.grpc.error.ErrorPropagationKt.convertToTransferableException(ErrorPropagation.kt:98)\n\t\tat com.gooddata.tiger.grpc.error.ErrorPropagationKt.clientCatching(ErrorPropagation.kt:72)\n\t\tat com.gooddata.tiger.grpc.error.ErrorPropagationKt$clientCatching$1.invokeSuspend(ErrorPropagation.kt)\n\t\tat kotlin.coroutines.jvm.internal.BaseContinuationImpl.resumeWith(ContinuationImpl.kt:33)\n\t\tat kotlinx.coroutines.DispatchedTaskKt.resume(DispatchedTask.kt:175)\n\t\tat kotlinx.coroutines.DispatchedTaskKt.resumeUnconfined(DispatchedTask.kt:137)\n\t\tat kotlinx.coroutines.DispatchedTaskKt.dispatch(DispatchedTask.kt:108)\n\t\tat kotlinx.coroutines.CancellableContinuationImpl.dispatchResume(CancellableContinuationImpl.kt:308)\n\t\tat kotlinx.coroutines.CancellableContinuationImpl.resumeImpl(CancellableContinuationImpl.kt:318)\n\t\tat kotlinx.coroutines.CancellableContinuationImpl.resumeWith(CancellableContinuationImpl.kt:25
0)\n\t\tat com.github.marcoferrer.krotoplus.coroutines.client.SuspendingUnaryObserver.onError(SuspendingUnaryObserver.kt:34)\n\t\tat io.grpc.stub.ClientCalls$StreamObserverToCallListenerAdapter.onClose(ClientCalls.java:478)\n\t\tat brave.grpc.TracingClientInterceptor$TracingClientCallListener.onClose(TracingClientInterceptor.java:202)\n\t\tat io.grpc.PartialForwardingClientCallListener.onClose(PartialForwardingClientCallListener.java:39)\n\t\tat io.grpc.ForwardingClientCallListener.onClose(ForwardingClientCallListener.java:23)\n\t\tat io.grpc.ForwardingClientCallListener$SimpleForwardingClientCallListener.onClose(ForwardingClientCallListener.java:40)\n\t\tat net.devh.boot.grpc.client.metric.MetricCollectingClientCallListener.onClose(MetricCollectingClientCallListener.java:65)\n\t\tat io.grpc.internal.ClientCallImpl.closeObserver(ClientCallImpl.java:617)\n\t\tat io.grpc.internal.ClientCallImpl.access$300(ClientCallImpl.java:70)\n\t\tat io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(ClientCallImpl.java:803)\n\t\tat io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(ClientCallImpl.java:782)\n\t\tat io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37)\n\t\tat io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:123)\n\t\tat java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)\n\t\tat java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)\n\t\tat java.base/java.lang.Thread.run(Unknown Source)\n"}
{"ts":"2021-09-03 01:37:15.593","level":"INFO","logger":"org.zalando.logbook.Logbook","thread":"reactor-http-epoll-1","traceId":"3a2d82dea0f376ba","spanId":"3a2d82dea0f376ba","msg":"HTTP response","accept":"application/json, text/plain, */*","duration":"5.69s","method":"GET","remote":"/172.16.162.237:45764","status":"500","uri":"<http://dev:9000/api/actions/workspaces/fe1d058961504b80a571ff0d484d69ba/execution/collectLabelElements?label=viewName.columnName&offset=0&limit=5>","user-agent":"Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.159 Safari/537.36"}
d
Hi @Matthew McKenzie, thanks for trying GD.CN! Can you please post also logs from 
aqe
service as well? That might contain the root cause of the error.
m
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"ts":"2021-09-05 02:56:33.564581+00:00","level":"info",crash: class=exit exception={timeout,{gen_server,call,[aqe_server,{compute,#{context => #{organizationId => <<"scc">>,workspaceId => <<"c6a2557fb7f743a081970dab44f0409b">>},dataSamplingPercentage => 100.0,maql => #{asts => [],auxMetrics => [],dimension => [#{id => <<"vw-device-auths.arubaApGroup">>,space => <<"c6a2557fb7f743a081970dab44f0409b">>,type => 'LABEL'},#{id => <<"vw-device-auths.arubaApGroup">>,space => <<"c6a2557fb7f743a081970dab44f0409b">>,type => 'LABEL'}],filters => [],having => [],metrics => [],timestamp => <<"2021-09-05T02:56:28.532515358Z">>},skipCache => false},#{<<":authority">> => <<"gooddata-cn-aqe:6569">>,<<":method">> => <<"POST">>,<<":path">> => <<"/tiger.AqeService/compute">>,<<":scheme">> => <<"http">>,<<"grpc-accept-encoding">> => <<"gzip">>,<<"user-agent">> => <<"afm-exec-api grpc-java-netty/1.34.1">>,<<"x-b3-parentspanid">> => <<"df5f728617c4dcc0">>,<<"x-b3-sampled">> => <<"0">>,<<"x-b3-spanid">> => <<"ad8a426111a1c6bd">>,<<"x-b3-traceid">> => <<"df5f728617c4dcc0">>,<<"x-tiger-organization-id">> => <<"scc">>,<<"x-tiger-user-id">> => <<"dev-vostronet">>}}]}} stacktrace=[{gen_server,call,2,[{file,"gen_server.erl"},{line,238}]},{aqe_server,process_grpc_request,4,[{file,"/builds/ogJ66-xd/2/gooddata/gdc-nas/microservices/aqe/aqe-erlang/src/worker/aqe_server.erl"},{line,42}]},{grpcbox_stream,handle_unary,3,[{file,"/builds/TuxBtSUr/3/gooddata/gdc-nas/microservices/aqe/aqe-erlang/_build/default/lib/grpcbox/src/grpcbox_stream.erl"},{line,265}]},{lists,foldl,3,[{file,"lists.erl"},{line,1267}]},{grpcbox_stream,on_receive_data,2,[{file,"/builds/TuxBtSUr/3/gooddata/gdc-nas/microservices/aqe/aqe-erlang/_build/default/lib/grpcbox/src/grpcbox_stream.erl"},{line,212}]},{h2_stream,open,3,[{file,"/builds/TuxBtSUr/3/gooddata/gdc-nas/microservices/aqe/aqe-erlang/_build/default/lib/chatterbox/src/h2_stream.erl"},{line,385}]},{gen_statem,loop_state_callback,11,[{file,"gen_statem.erl"},{line,1166}]},{proc_lib,init_p_d
o_apply,3,[{file,"proc_lib.erl"},{line,226}]}]
{"ts":"2021-09-05 02:56:33.567246+00:00","level":"error","traceId":"df5f728617c4dcc0","spanId":"8530df53301a49bf","action":"aqe_server","func":"aqe_server:try_catch_log_error/2 (/builds/ogJ66-xd/2/gooddata/gdc-nas/microservices/aqe/aqe-erlang/src/worker/aqe_server.erl:137)","reason":"uncaught exception","details":"{error,function_clause,[{aqe_grpc,check_grpc_result,[tiger_metadata_store_service_client,get_data_source_names,{error,{stream_down,normal}}],[{file,\\\"/builds/ogJ66-xd/2/gooddata/gdc-nas/microservices/aqe/aqe-erlang/src/util/aqe_grpc.erl\\\"},{line,88}]},{aqe_tracing,external_call_wrapper,2,[{file,\\\"/builds/ogJ66-xd/2/gooddata/gdc-nas/microservices/aqe/aqe-erlang/src/util/aqe_tracing.erl\\\"},{line,76}]},{aqe_server,'-handle_call/3-fun-0-',4,[{file,\\\"/builds/ogJ66-xd/2/gooddata/gdc-nas/microservices/aqe/aqe-erlang/src/worker/aqe_server.erl\\\"},{line,69}]},{aqe_server,try_catch_log_error,2,[{file,\\\"/builds/ogJ66-xd/2/gooddata/gdc-nas/microservices/aqe/aqe-erlang/src/worker/aqe_server.erl\\\"},{line,120}]},{aqe_server,handle_call,3,[{file,\\\"/builds/ogJ66-xd/2/gooddata/gdc-nas/microservices/aqe/aqe-erlang/src/worker/aqe_server.erl\\\"},{line,68}]},{gen_server,try_handle_call,4,[{file,\\\"gen_server.erl\\\"},{line,715}]},{gen_server,handle_msg,6,[{file,\\\"gen_server.erl\\\"},{line,744}]},{proc_lib,init_p_do_apply,3,[{file,\\\"proc_lib.erl\\\"},{line,226}]}]}"}
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{"ts":"2021-09-05 02:56:34.568423+00:00","level":"error","client_info":"{<0.28158.48>,dead}","label":"{gen_server,terminate}","last_message":"{compute,#{context => #{organizationId => <<\"scc\">>,workspaceId => <<\"c6a2557fb7f743a081970dab44f0409b\">>},dataSamplingPercentage => 100.0,maql => #{asts => [],auxMetrics => [],dimension => [#{id => <<\"vw-device-auths.arubaApGroup\">>,space => <<\"c6a2557fb7f743a081970dab44f0409b\">>,type => 'LABEL'},#{id => <<\"vw-device-auths.arubaApGroup\">>,space => <<\"c6a2557fb7f743a081970dab44f0409b\">>,type => 'LABEL'}],filters => [],having => [],metrics => [],timestamp => <<\"2021-09-05T02:56:28.532515358Z\">>},skipCache => false},#{<<\":authority\">> => <<\"gooddata-cn-aqe:6569\">>,<<\":method\">> => <<\"POST\">>,<<\":path\">> => <<\"/tiger.AqeService/compute\">>,<<\":scheme\">> => <<\"http\">>,<<\"grpc-accept-encoding\">> => <<\"gzip\">>,<<\"user-agent\">> => <<\"afm-exec-api grpc-java-netty/1.34.1\">>,<<\"x-b3-parentspanid\">> => <<\"df5f728617c4dcc0\">>,<<\"x-b3-sampled\">> => <<\"0\">>,<<\"x-b3-spanid\">> => <<\"ad8a426111a1c6bd\">>,<<\"x-b3-traceid\">> => <<\"df5f728617c4dcc0\">>,<<\"x-tiger-organization-id\">> => <<\"scc\">>,<<\"x-tiger-user-id\">> => <<\"dev-vostronet\">>}}","log":"[]","name":"aqe_server","reason":"{function_clause,[{aqe_grpc,check_grpc_result,[tiger_metadata_store_service_client,get_data_source_names,{error,{stream_down,normal}}],[{file,\"/builds/ogJ66-xd/2/gooddata/gdc-nas/microservices/aqe/aqe-erlang/src/util/aqe_grpc.erl\"},{line,88}]},{aqe_tracing,external_call_wrapper,2,[{file,\"/builds/ogJ66-xd/2/gooddata/gdc-nas/microservices/aqe/aqe-erlang/src/util/aqe_tracing.erl\"},{line,76}]},{aqe_server,'-handle_call/3-fun-0-',4,[{file,\"/builds/ogJ66-xd/2/gooddata/gdc-nas/microservices/aqe/aqe-erlang/src/worker/aqe_server.erl\"},{line,69}]},{aqe_server,try_catch_log_error,2,[{file,\"/builds/ogJ66-xd/2/gooddata/gdc-nas/microservices/aqe/aqe-erlang/src/worker/aqe_server.erl\"},{line,120}]},{aqe_server,handle_call,3,[{file
,\"/builds/ogJ66-xd/2/gooddata/gdc-nas/microservices/aqe/aqe-erlang/src/worker/aqe_server.erl\"},{line,68}]},{gen_server,try_handle_call,4,[{file,\"gen_server.erl\"},{line,715}]},{gen_server,handle_msg,6,[{file,\"gen_server.erl\"},{line,744}]},{proc_lib,init_p_do_apply,3,[{file,\"proc_lib.erl\"},{line,226}]}]}","state":"{state,<0.12063.0>,<0.12065.0>,<0.12066.0>,<0.12067.0>}"}
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{"ts":"2021-09-05 02:56:34.569693+00:00","level":"error","label":"{proc_lib,crash}","report":"[[{initial_call,{aqe_server,init,['Argument__1']}},{pid,<0.12062.0>},{registered_name,aqe_server},{error_info,{error,function_clause,[{aqe_grpc,check_grpc_result,[tiger_metadata_store_service_client,get_data_source_names,{error,{stream_down,normal}}],[{file,\"/builds/ogJ66-xd/2/gooddata/gdc-nas/microservices/aqe/aqe-erlang/src/util/aqe_grpc.erl\"},{line,88}]},{aqe_tracing,external_call_wrapper,2,[{file,\"/builds/ogJ66-xd/2/gooddata/gdc-nas/microservices/aqe/aqe-erlang/src/util/aqe_tracing.erl\"},{line,76}]},{aqe_server,'-handle_call/3-fun-0-',4,[{file,\"/builds/ogJ66-xd/2/gooddata/gdc-nas/microservices/aqe/aqe-erlang/src/worker/aqe_server.erl\"},{line,69}]},{aqe_server,try_catch_log_error,2,[{file,\"/builds/ogJ66-xd/2/gooddata/gdc-nas/microservices/aqe/aqe-erlang/src/worker/aqe_server.erl\"},{line,120}]},{aqe_server,handle_call,3,[{file,\"/builds/ogJ66-xd/2/gooddata/gdc-nas/microservices/aqe/aqe-erlang/src/worker/aqe_server.erl\"},{line,68}]},{gen_server,try_handle_call,4,[{file,\"gen_server.erl\"},{line,715}]},{gen_server,handle_msg,6,[{file,\"gen_server.erl\"},{line,744}]},{proc_lib,init_p_do_apply,3,[{file,\"proc_lib.erl\"},{line,226}]}]}},{ancestors,[aqe_sup,<0.710.0>]},{message_queue_len,4},{messages,[ping,{'$gen_call',{<0.28199.48>,#Ref<0.2958282120.3173777409.178872>},{valid_objects,#{context => #{organizationId => <<\"scc\">>,workspaceId => <<\"c6a2557fb7f743a081970dab44f0409b\">>},maql => #{asts => [],auxMetrics => [],dimension => [#{id => <<\"vw-buildings.name\">>,space => <<\"c6a2557fb7f743a081970dab44f0409b\">>,type => 'LABEL'}],filters => [],having => [],metrics => [],timestamp => <<\"2021-09-05T02:56:32.38063206Z\">>},types => [attributes]},#{<<\":authority\">> => <<\"gooddata-cn-aqe:6569\">>,<<\":method\">> => <<\"POST\">>,<<\":path\">> => <<\"/tiger.AqeService/validObjects\">>,<<\":scheme\">> => <<\"http\">>,<<\"grpc-accept-encoding\">> => <<\"gzip\">>,<<\"user-agent\">
> => <<\"afm-exec-api grpc-java-netty/1.34.1\">>,<<\"x-b3-parentspanid\">> => <<\"3b7a699a777083bd\">>,<<\"x-b3-sampled\">> => <<\"0\">>,<<\"x-b3-spanid\">> => <<\"c802d57195177267\">>,<<\"x-b3-traceid\">> => <<\"3b7a699a777083bd\">>,<<\"x-tiger-organization-id\">> => <<\"scc\">>,<<\"x-tiger-user-id\">> => <<\"dev-vostronet\">>}}},{'$gen_call',{<0.28200.48>,#Ref<0.2958282120.3173777409.178886>},{compute,#{context => #{organizationId => <<\"scc\">>,workspaceId => <<\"c6a2557fb7f743a081970dab44f0409b\">>},dataSamplingPercentage => 100.0,maql => #{asts => [],auxMetrics => [],dimension => [#{id => <<\"vw-buildings.name\">>,space => <<\"c6a2557fb7f743a081970dab44f0409b\">>,type => 'LABEL'}],filters => [],having => [],metrics => [],timestamp => <<\"2021-09-05T02:56:32.427005764Z\">>},skipCache => false},#{<<\":authority\">> => <<\"gooddata-cn-aqe:6569\">>,<<\":method\">> => <<\"POST\">>,<<\":path\">> => <<\"/tiger.AqeService/compute\">>,<<\":scheme\">> => <<\"http\">>,<<\"grpc-accept-encoding\">> => <<\"gzip\">>,<<\"user-agent\">> => <<\"afm-exec-api grpc-java-netty/1.34.1\">>,<<\"x-b3-parentspanid\">> => <<\"0014957954b8b077\">>,<<\"x-b3-sampled\">> => <<\"0\">>,<<\"x-b3-spanid\">> => <<\"60a8869ed56df9e0\">>,<<\"x-b3-traceid\">> => <<\"0014957954b8b077\">>,<<\"x-tiger-organization-id\">> => <<\"scc\">>,<<\"x-tiger-user-id\">> => <<\"dev-vostronet\">>}}},{'$gen_call',{<0.28201.48>,#Ref<0.2958282120.3173777409.178900>},{valid_objects,#{context => #{organizationId => <<\"scc\">>,workspaceId => <<\"c6a2557fb7f743a081970dab44f0409b\">>},maql => #{asts => [],auxMetrics => [],dimension => [#{id => <<\"vw-buildings.name\">>,space => <<\"c6a2557fb7f743a081970dab44f0409b\">>,type => 'LABEL'}],filters => [],having => [],metrics => [],timestamp => <<\"2021-09-05T02:56:32.434397152Z\">>},types => [attributes,facts,measures]},#{<<\":authority\">> => <<\"gooddata-cn-aqe:6569\">>,<<\":method\">> => <<\"POST\">>,<<\":path\">> => <<\"/tiger.AqeService/validObjects\">>,<<\":scheme\">> => <<\"http\">>,<<\"grpc-accept-encoding\">> => <<\
"gzip\">>,<<\"user-agent\">> => <<\"afm-exec-api grpc-java-netty/1.34.1\">>,<<\"x-b3-parentspanid\">> => <<\"f430c0466725cffc\">>,<<\"x-b3-sampled\">> => <<\"0\">>,<<\"x-b3-spanid\">> => <<\"0387b97a716b08d4\">>,<<\"x-b3-traceid\">> => <<\"f430c0466725cffc\">>,<<\"x-tiger-organization-id\">> => <<\"scc\">>,<<\"x-tiger-user-id\">> => <<\"dev-vostronet\">>}}}]},{links,[<0.728.0>]},{dictionary,[{log_dubious_trans_during_aggr,true},{otter_span_information,{span,1630810588563868,16095709513495403712,\"compute_request\",9597416354308835775,12504880300022679229,[{\"lc\",\"grpc_listener\"}],[{1630810588564358,\"sr\"}],undefined}},{aqe_log,{log,{erlang_logger},\"aqe_server\",{1630,652033,11934}}}]},{trap_exit,true},{status,running},{heap_size,999631},{stack_size,28},{reductions,209117797}],[]]"}
d
aqe_grpc,check_grpc_result,[tiger_metadata_store_service_client,get_data_source_names,{error,{stream_down,normal}}]
This looks like the GRPC service got temporarily disconnected, most probably due to restart of underlying 
metadata
service. Did you notice any crashes of this service?
Anyway, this seems unrelated to the issue with NULL values (I assume you have them in attribute columns). Can you please ensure that metadata pods are running and try again and look for potential relevant errors from 
aqe
service? Thanks
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