I rebuilt everything and tried your suggestion, but still get the same
problem. The trace is below. Note that since the first post I've
implemented TLS credentials so the output will be slightly different, but
those differences should be irrelevant.
Thanks,
Mark.
kubectl run -it --rm --image=myimage --env="GRPC_TRACE=all"
--env="GRPC_VERBOSITY=DEBUG" testclient --command /bin/sh
> export GRPC_DNS_RESOLVER=ares
> ping myservice.default.svc.cluster.local
PING myservice.default.svc.cluster.local (10.0.0.27): 56 data bytes
64 bytes from 10.0.0.27: seq=0 ttl=64 time=0.072 ms
64 bytes from 10.0.0.27: seq=1 ttl=64 time=0.051 ms
64 bytes from 10.0.0.27: seq=2 ttl=64 time=0.093 ms
^C
--- myservice.default.svc.cluster.local ping statistics ---
3 packets transmitted, 3 packets received, 0% packet loss
round-trip min/avg/max = 0.051/0.072/0.093 ms
> myapp -c --verify certChain.pem myservice.default.svc.cluster.local:50051
Attempting to connect to myservice.default.svc.cluster.local:50051 to run a
listing
I0414 13:58:16.368200643 53 ev_epoll_linux.c:93] epoll engine
will be using signal: 40
D0414 13:58:16.368613539 53 ev_posix.c:105] Using polling
engine: epoll
I0414 13:58:16.368988761 53 init.c:224] grpc_init(void)
I0414 13:58:16.369249843 53 completion_queue.c:137]
grpc_completion_queue_create(reserved=(nil))
I0414 13:58:16.369850453 52 init.c:224] grpc_init(void)
I0414 13:58:16.370177696 52 ssl_credentials.c:129]
grpc_ssl_credentials_create(pem_root_certs=-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
, pem_key_cert_pair=(nil), reserved=(nil))
I0414 13:58:16.374920331 52 init.c:224] grpc_init(void)
I0414 13:58:16.375177843 52 init.c:229]
grpc_shutdown(void)
I0414 13:58:16.375475302 52 secure_channel_create.c:100]
grpc_secure_channel_create(creds=0x12a6360,
target=myservice.default.svc.cluster.local:50051, args=0x7ffdac139a60,
reserved=(nil))
I0414 13:58:16.376254751 52 init.c:224] grpc_init(void)
I0414 13:58:16.376616323 52 channel.c:277]
grpc_channel_register_call(channel=0x12b12e0,
method=/grpcendpoint.Endpoint/endpointVersion, host=(null), reserved=(nil))
I0414 13:58:16.376902331 52 channel.c:277]
grpc_channel_register_call(channel=0x12b12e0,
method=/grpcendpoint.Endpoint/listCollections, host=(null), reserved=(nil))
I0414 13:58:16.377145645 52 channel.c:277]
grpc_channel_register_call(channel=0x12b12e0,
method=/grpcendpoint.Endpoint/getCollection, host=(null), reserved=(nil))
I0414 13:58:16.377479987 52 credentials.c:94]
grpc_channel_credentials_release(creds=0x12a6360)
I0414 13:58:16.377739511 52 init.c:229]
grpc_shutdown(void)
I0414 13:58:16.378190183 52 channel.c:308]
grpc_channel_create_registered_call(channel=0x12b12e0, parent_call=(nil),
propagation_mask=ffff, completion_queue=0x7f2404001ce0,
registered_call_handle=0x12acca0, deadline=gpr_timespec { tv_sec:
9223372036854775807, tv_nsec: 0, clock_type: 1 }, reserved=(nil))
I0414 13:58:16.378480207 52 grpc_context.c:41]
grpc_census_call_set_context(call=0x12b19a0, census_context=(nil))
I0414 13:58:16.378985768 52 call.c:1708]
grpc_call_start_batch(call=0x12b19a0, ops=0x7ffdac1397e0, nops=3,
tag=0x12a71f8, reserved=(nil))
I0414 13:58:16.379254122 52 call.c:1364] ops[0]:
SEND_INITIAL_METADATA
I0414 13:58:16.379508782 52 call.c:1364] ops[1]:
SEND_MESSAGE ptr=0x12a6dd0
I0414 13:58:16.379743213 52 call.c:1364] ops[2]:
SEND_CLOSE_FROM_CLIENT
I0414 13:58:16.380039441 52 client_channel.c:882]
OP[client-channel:0x12b2458]: [COVERED] SEND_INITIAL_METADATA{key=3a 70 61
74 68 ':path' value=2f 67 72 70 63 65 6e 64 70 6f 69 6e 74 2e 45 6e 64 70
6f 69 6e 74 2f 6c 69 73 74 43 6f 6c 6c 65 63 74 69 6f 6e 73
'/grpcendpoint.Endpoint/listCollections', key=3a 61 75 74 68 6f 72 69 74 79
':authority' value=74 65 6c 65 68 69 73 74 2e 64 65 66 61 75 6c 74 2e 73 76
63 2e 63 6c 75 73 74 65 72 2e 6c 6f 63 61 6c 3a 35 30 30 35 31
'myservice.default.svc.cluster.local:50051', key=67 72 70 63 2d 65 6e 63 6f
64 69 6e 67 'grpc-encoding' value=69 64 65 6e 74 69 74 79 'identity',
key=67 72 70 63 2d 61 63 63 65 70 74 2d 65 6e 63 6f 64 69 6e 67
'grpc-accept-encoding' value=69 64 65 6e 74 69 74 79 2c 64 65 66 6c 61 74
65 2c 67 7a 69 70 'identity,deflate,gzip'}
SEND_MESSAGE:flags=0x00000000:len=0 SEND_TRAILING_METADATA{}
I0414 13:58:16.380528137 52 call.c:1708]
grpc_call_start_batch(call=0x12b19a0, ops=0x7ffdac139820, nops=3,
tag=0x12a7298, reserved=(nil))
I0414 13:58:16.380786273 52 call.c:1364] ops[0]:
RECV_INITIAL_METADATA ptr=0x12a72c0
I0414 13:58:16.381093046 52 call.c:1364] ops[1]:
RECV_MESSAGE ptr=0x12a72e8
I0414 13:58:16.381368604 52 call.c:1364] ops[2]:
RECV_STATUS_ON_CLIENT metadata=0x12a7308 status=0x12a7320 details=0x12a7328
I0414 13:58:16.381607886 52 client_channel.c:882]
OP[client-channel:0x12b2458]: [COVERED] RECV_INITIAL_METADATA RECV_MESSAGE
RECV_TRAILING_METADATA
I0414 13:58:16.381897570 53 completion_queue.c:389]
grpc_completion_queue_next(cc=0x7f2404001ce0, deadline=gpr_timespec {
tv_sec: 9223372036854775807, tv_nsec: 0, clock_type: 1 }, reserved=(nil))
I0414 13:58:16.382586568 54 dns_resolver.c:192] dns resolution
failed (will retry): {"created":"@1492178296.382558164","description":"OS
Error","errno":-2,"file":"src/core/lib/iomgr/resolve_address_posix.c","file_line":115,"os_error":"Name
or service not
known","syscall":"getaddrinfo","target_address":"myservice.default.svc.cluster.local:50051"}
D0414 13:58:16.382915126 54 dns_resolver.c:198] retrying in
1.000000000 seconds
D0414 13:58:16.383721741 54 connectivity_state.c:163] SET: 0x12b1448
client_channel: IDLE --> TRANSIENT_FAILURE [new_lb+resolver]
error=0x7f23fc000ba0 {"created":"@1492178296.383708704","description":"No
load balancing
policy","file":"src/core/ext/client_channel/client_channel.c","file_line":273}
I0414 13:58:17.383541404 55 dns_resolver.c:192] dns resolution
failed (will retry): {"created":"@1492178297.383519265","description":"OS
Error","errno":-2,"file":"src/core/lib/iomgr/resolve_address_posix.c","file_line":115,"os_error":"Name
or service not
known","syscall":"getaddrinfo","target_address":"myservice.default.svc.cluster.local:50051"}
D0414 13:58:17.384161567 55 dns_resolver.c:198] retrying in
1.000000000 seconds
D0414 13:58:17.384474818 55 connectivity_state.c:163] SET: 0x12b1448
client_channel: TRANSIENT_FAILURE --> TRANSIENT_FAILURE [new_lb+resolver]
error=0x7f23fc000c00 {"created":"@1492178297.384464441","description":"No
load balancing
policy","file":"src/core/ext/client_channel/client_channel.c","file_line":273}
I0414 13:58:18.384748114 56 dns_resolver.c:192] dns resolution
failed (will retry): {"created":"@1492178298.384725600","description":"OS
Error","errno":-2,"file":"src/core/lib/iomgr/resolve_address_posix.c","file_line":115,"os_error":"Name
or service not
known","syscall":"getaddrinfo","target_address":"myservice.default.svc.cluster.local:50051"}
D0414 13:58:18.384965866 56 dns_resolver.c:198] retrying in
1.000000000 seconds
D0414 13:58:18.385023236 56 connectivity_state.c:163] SET: 0x12b1448
client_channel: TRANSIENT_FAILURE --> TRANSIENT_FAILURE [new_lb+resolver]
error=0x7f23fc000ba0 {"created":"@1492178298.385013911","description":"No
load balancing
policy","file":"src/core/ext/client_channel/client_channel.c","file_line":273}
I0414 13:58:19.385829174 57 dns_resolver.c:192] dns resolution
failed (will retry): {"created":"@1492178299.385807307","description":"OS
Error","errno":-2,"file":"src/core/lib/iomgr/resolve_address_posix.c","file_line":115,"os_error":"Name
or service not
known","syscall":"getaddrinfo","target_address":"myservice.default.svc.cluster.local:50051"}
D0414 13:58:19.386378656 57 dns_resolver.c:198] retrying in
1.000000000 seconds
D0414 13:58:19.386736068 57 connectivity_state.c:163] SET: 0x12b1448
client_channel: TRANSIENT_FAILURE --> TRANSIENT_FAILURE [new_lb+resolver]
error=0x7f23fc000d00 {"created":"@1492178299.386711433","description":"No
load balancing
policy","file":"src/core/ext/client_channel/client_channel.c","file_line":273}
I0414 13:58:20.387789525 58 dns_resolver.c:192] dns resolution
failed (will retry): {"created":"@1492178300.387767146","description":"OS
Error","errno":-2,"file":"src/core/lib/iomgr/resolve_address_posix.c","file_line":115,"os_error":"Name
or service not
known","syscall":"getaddrinfo","target_address":"myservice.default.svc.cluster.local:50051"}
D0414 13:58:20.388320888 58 dns_resolver.c:198] retrying in
1.000000000 seconds
D0414 13:58:20.388615388 58 connectivity_state.c:163] SET: 0x12b1448
client_channel: TRANSIENT_FAILURE --> TRANSIENT_FAILURE [new_lb+resolver]
error=0x7f23fc000d60 {"created":"@1492178300.388604683","description":"No
load balancing
policy","file":"src/core/ext/client_channel/client_channel.c","file_line":273}
I0414 13:58:21.388326313 59 dns_resolver.c:192] dns resolution
failed (will retry): {"created":"@1492178301.388301905","description":"OS
Error","errno":-2,"file":"src/core/lib/iomgr/resolve_address_posix.c","file_line":115,"os_error":"Name
or service not
known","syscall":"getaddrinfo","target_address":"myservice.default.svc.cluster.local:50051"}
D0414 13:58:21.389040345 59 dns_resolver.c:198] retrying in
1.000000000 seconds
D0414 13:58:21.389322099 59 connectivity_state.c:163] SET: 0x12b1448
client_channel: TRANSIENT_FAILURE --> TRANSIENT_FAILURE [new_lb+resolver]
error=0x7f23fc0011d0 {"created":"@1492178301.389311229","description":"No
load balancing
policy","file":"src/core/ext/client_channel/client_channel.c","file_line":273}
I0414 13:58:22.388716129 60 dns_resolver.c:192] dns resolution
failed (will retry): {"created":"@1492178302.388693261","description":"OS
Error","errno":-2,"file":"src/core/lib/iomgr/resolve_address_posix.c","file_line":115,"os_error":"Name
or service not
known","syscall":"getaddrinfo","target_address":"myservice.default.svc.cluster.local:50051"}
D0414 13:58:22.389463664 60 dns_resolver.c:198] retrying in
1.000000000 seconds
D0414 13:58:22.389888415 60 connectivity_state.c:163] SET: 0x12b1448
client_channel: TRANSIENT_FAILURE --> TRANSIENT_FAILURE [new_lb+resolver]
error=0x7f23fc000c00 {"created":"@1492178302.389876717","description":"No
load balancing
policy","file":"src/core/ext/client_channel/client_channel.c","file_line":273}
I0414 13:58:23.389602658 61 dns_resolver.c:192] dns resolution
failed (will retry): {"created":"@1492178303.389580245","description":"OS
Error","errno":-2,"file":"src/core/lib/iomgr/resolve_address_posix.c","file_line":115,"os_error":"Name
or service not
known","syscall":"getaddrinfo","target_address":"myservice.default.svc.cluster.local:50051"}
D0414 13:58:23.390165421 61 dns_resolver.c:198] retrying in
1.000000000 seconds
D0414 13:58:23.390466294 61 connectivity_state.c:163] SET: 0x12b1448
client_channel: TRANSIENT_FAILURE --> TRANSIENT_FAILURE [new_lb+resolver]
error=0x7f23fc000e50 {"created":"@1492178303.390455437","description":"No
load balancing
policy","file":"src/core/ext/client_channel/client_channel.c","file_line":273}
I0414 13:58:24.389912635 62 dns_resolver.c:192] dns resolution
failed (will retry): {"created":"@1492178304.389883555","description":"OS
Error","errno":-2,"file":"src/core/lib/iomgr/resolve_address_posix.c","file_line":115,"os_error":"Name
or service not
known","syscall":"getaddrinfo","target_address":"myservice.default.svc.cluster.local:50051"}
D0414 13:58:24.389948542 62 dns_resolver.c:198] retrying in
1.000000000 seconds
D0414 13:58:24.389964969 62 connectivity_state.c:163] SET: 0x12b1448
client_channel: TRANSIENT_FAILURE --> TRANSIENT_FAILURE [new_lb+resolver]
error=0x7f23fc000d60 {"created":"@1492178304.389957359","description":"No
load balancing
policy","file":"src/core/ext/client_channel/client_channel.c","file_line":273}
^C
On 13 April 2017 at 22:25, Yuchen Zeng <[email protected]> wrote:
> Currently grpc is using get getaddrinfo to do the name resolution. I'm
> investigating why ping can resolve the name of the service but getaddrinfo
> can not.
> Could you please also try it with --env="GRPC_DNS_RESOLVER=ares" on
> master? It will use a c-ares based resolver instead of getaddrinfo.
>
> On Sunday, April 9, 2017 at 3:27:38 PM UTC-7, Mark Grimes wrote:
>>
>> Yes, I tried that and get the same problem. Pinging the fully qualified
>> name works fine (so I know it is the correct long name).
>>
>> On 7 April 2017 at 13:22, Jan Tattermusch <[email protected]> wrote:
>>
>>> Out of curiosity, have you tried with the long DNS name of the service?
>>> (I think that's something in the sense of myservice.default.svc.clust
>>> er.local)
>>>
>>> On Wednesday, March 15, 2017 at 6:37:30 PM UTC+1, [email protected]
>>> wrote:
>>>>
>>>> Hi,
>>>> This is about the interplay of gRPC and Kubernetes, but I'm pretty sure
>>>> the problem is with the gRPC name resolution.
>>>> I have a gRPC application running on a kubernetes cluster exposed using
>>>> a headless service. For those that don't know, this means (as I understand
>>>> it) kubernetes sets up a DNS entry pointing to the application container.
>>>> If I then try and run the client in the same cluster it hangs during name
>>>> resolution to the kubernetes service. Connecting directly to the IP
>>>> address of the service works fine.
>>>> E.g. with the server already running and listening on port 50051
>>>>
>>>> kubectl run -it --rm --image=myimage --env="GRPC_TRACE=all"
>>>> --env="GRPC_VERBOSITY=DEBUG" testclient --command /bin/sh
>>>>
>>>> > ping myservice
>>>> PING myservice (10.0.0.13): 56 data bytes
>>>> 64 bytes from 10.0.0.13: seq=0 ttl=64 time=0.121 ms
>>>> (etc; service name resolves fine)
>>>>
>>>> > myapp -c 10.0.0.13:50051 # connect as client to the given server
>>>> and port using the ip address resolved by ping
>>>> (loads of debug output, but I get the expected response and everything
>>>> works fine)
>>>>
>>>> > myapp -c myservice:50051
>>>> (hangs indefinitely trying to resolve the name, full output below)
>>>>
>>>> The fact it hangs indefinitely appears to be related to
>>>> https://github.com/grpc/grpc/issues/9481 (DNS resolver in C core never
>>>> gives up resolving a nonexistent hostname), except in my case the hostname
>>>> is valid, as shown by the ping. The container image is busybox plus the
>>>> C++ application and required libraries. Is there anything gRPC needs in
>>>> the OS (i.e. my container image) in order to perform name resolution? Ping
>>>> manages it fine, why not gRPC? Forgive my ignorance of how the underlying
>>>> name resolution is provided.
>>>>
>>>> Thanks,
>>>>
>>>> Mark.
>>>>
>>>> Output when trying to resolve to the service:
>>>>
>>>> I0315 17:08:46.596502176 15 ev_epoll_linux.c:85] epoll
>>>> engine will be using signal: 36
>>>> D0315 17:08:46.596889365 15 ev_posix.c:106] Using
>>>> polling engine: epoll
>>>> I0315 17:08:46.597180247 15 init.c:193]
>>>> grpc_init(void)
>>>> I0315 17:08:46.597458188 15 completion_queue.c:139]
>>>> grpc_completion_queue_create(reserved=(nil))
>>>> I0315 17:08:46.597765727 14 init.c:193]
>>>> grpc_init(void)
>>>> I0315 17:08:46.598071841 14 channel_create.c:235]
>>>> grpc_insecure_channel_create(target=0xaf2e48, args=0x7ffd594b2fd0,
>>>> reserved=(nil))
>>>> I0315 17:08:46.598358396 14 init.c:193]
>>>> grpc_init(void)
>>>> I0315 17:08:46.598675472 14 init.c:198]
>>>> grpc_shutdown(void)
>>>> I0315 17:08:46.598951207 14 channel.c:263]
>>>> grpc_channel_register_call(channel=0xaeba20,
>>>> method=/grpcendpoint.Endpoint/endpointVersion, host=(null),
>>>> reserved=(nil))
>>>> I0315 17:08:46.599216112 14 channel.c:263]
>>>> grpc_channel_register_call(channel=0xaeba20,
>>>> method=/grpcendpoint.Endpoint/listCollections, host=(null),
>>>> reserved=(nil))
>>>> I0315 17:08:46.599476727 14 channel.c:263]
>>>> grpc_channel_register_call(channel=0xaeba20,
>>>> method=/grpcendpoint.Endpoint/getCollection, host=(null),
>>>> reserved=(nil))
>>>> I0315 17:08:46.599896046 14 channel.c:291]
>>>> grpc_channel_create_registered_call(channel=0xaeba20,
>>>> parent_call=(nil), propagation_mask=ffff, completion_queue=0x7fa7c8001b40,
>>>> registered_call_handle=0xaf1910, deadline=gpr_timespec { tv_sec:
>>>> 9223372036854775807, tv_nsec: 0, clock_type: 1 }, reserved=(nil))
>>>> I0315 17:08:46.600314315 14 grpc_context.c:41]
>>>> grpc_census_call_set_context(call=0xaf4ec0, census_context=(nil))
>>>> I0315 17:08:46.600804961 14 call.c:1690]
>>>> grpc_call_start_batch(call=0xaf4ec0, ops=0x7ffd594b2cf0, nops=3,
>>>> tag=0xaf0318, reserved=(nil))
>>>> I0315 17:08:46.601111821 14 call.c:1366] ops[0]:
>>>> SEND_INITIAL_METADATA
>>>> I0315 17:08:46.601392365 14 call.c:1366] ops[1]:
>>>> SEND_MESSAGE ptr=0xaebc90
>>>> I0315 17:08:46.601653874 14 call.c:1366] ops[2]:
>>>> SEND_CLOSE_FROM_CLIENT
>>>> I0315 17:08:46.602006491 14 client_channel.c:109]
>>>> OP[client-channel:0xaf54c8]: SEND_INITIAL_METADATA{key=3a 70 61 74 68
>>>> ':path' value=2f 67 72 70 63 65 6e 64 70 6f 69 6e 74 2e 45 6e 64 70 6f 69
>>>> 6e 74 2f 65 6e 64 70 6f 69 6e 74 56 65 72 73 69 6f 6e
>>>> '/grpcendpoint.Endpoint/endpointVersion', key=3a 61 75 74 68 6f 72 69
>>>> 74 79 ':authority' value=74 65 6c 65 68 69 73 74 3a 35 30 30 35 31
>>>> 'myservice:50051', key=67 72 70 63 2d 65 6e 63 6f 64 69 6e 67
>>>> 'grpc-encoding' value=69 64 65 6e 74 69 74 79 'identity', key=67 72 70 63
>>>> 2d 61 63 63 65 70 74 2d 65 6e 63 6f 64 69 6e 67 'grpc-accept-encoding'
>>>> value=69 64 65 6e 74 69 74 79 2c 64 65 66 6c 61 74 65 2c 67 7a 69 70
>>>> 'identity,deflate,gzip'} SEND_MESSAGE:flags=0x00000000:len=0
>>>> SEND_TRAILING_METADATA{}
>>>> I0315 17:08:46.602499932 14 call.c:1690]
>>>> grpc_call_start_batch(call=0xaf4ec0, ops=0x7ffd594b2d30, nops=3,
>>>> tag=0xaf03b8, reserved=(nil))
>>>> I0315 17:08:46.602729139 14 call.c:1366] ops[0]:
>>>> RECV_INITIAL_METADATA ptr=0xaf03e0
>>>> I0315 17:08:46.603054019 14 call.c:1366] ops[1]:
>>>> RECV_MESSAGE ptr=0xaf0408
>>>> I0315 17:08:46.603314856 14 call.c:1366] ops[2]:
>>>> RECV_STATUS_ON_CLIENT metadata=0xaf0428 status=0xaf0440 details=0xaf0448
>>>> I0315 17:08:46.603639848 14 client_channel.c:109]
>>>> OP[client-channel:0xaf54c8]: RECV_INITIAL_METADATA RECV_MESSAGE
>>>> RECV_TRAILING_METADATA
>>>> I0315 17:08:46.603924761 15 completion_queue.c:333]
>>>> grpc_completion_queue_next(cc=0x7fa7c8001b40, deadline=gpr_timespec {
>>>> tv_sec: 9223372036854775807, tv_nsec: 0, clock_type: 1 }, reserved=(nil))
>>>> D0315 17:08:46.604521071 16 dns_resolver.c:192] dns
>>>> resolution failed: {"created":"@1489597726.604500252","description":"OS
>>>> Error","errno":-2,"file":"src/core/lib/iomgr/resolve_address
>>>> _posix.c","file_line":115,"os_error":"Name or service not
>>>> known","syscall":"getaddrinfo","target_address":"myservice:50051"}
>>>> D0315 17:08:46.604820308 16 dns_resolver.c:201] retrying
>>>> immediately
>>>> D0315 17:08:46.605088317 16 connectivity_state.c:156] SET:
>>>> 0xaebb68 client_channel: IDLE --> TRANSIENT_FAILURE [new_lb+resolver]
>>>> error=0x7fa7c0000b90 {"created":"@1489597726.605077608","description":"No
>>>> load balancing policy","file":"src/core/ext/c
>>>> lient_config/client_channel.c","file_line":188}
>>>> D0315 17:08:47.605552537 17 dns_resolver.c:192] dns
>>>> resolution failed: {"created":"@1489597727.605530416","description":"OS
>>>> Error","errno":-2,"file":"src/core/lib/iomgr/resolve_address
>>>> _posix.c","file_line":115,"os_error":"Name or service not
>>>> known","syscall":"getaddrinfo","target_address":"myservice:50051"}
>>>> D0315 17:08:47.606272692 17 dns_resolver.c:201] retrying
>>>> immediately
>>>> D0315 17:08:47.606719769 17 connectivity_state.c:156] SET:
>>>> 0xaebb68 client_channel: TRANSIENT_FAILURE --> TRANSIENT_FAILURE
>>>> [new_lb+resolver] error=0x7fa7c0000bf0
>>>> {"created":"@1489597727.606709040","description":"No
>>>> load balancing policy","file":"src/core/ext/c
>>>> lient_config/client_channel.c","file_line":188}
>>>> D0315 17:08:49.501768132 18 dns_resolver.c:192] dns
>>>> resolution failed: {"created":"@1489597729.501745552","description":"OS
>>>> Error","errno":-2,"file":"src/core/lib/iomgr/resolve_address
>>>> _posix.c","file_line":115,"os_error":"Name or service not
>>>> known","syscall":"getaddrinfo","target_address":"myservice:50051"}
>>>> D0315 17:08:49.502278763 18 dns_resolver.c:201] retrying
>>>> immediately
>>>> D0315 17:08:49.502683440 18 connectivity_state.c:156] SET:
>>>> 0xaebb68 client_channel: TRANSIENT_FAILURE --> TRANSIENT_FAILURE
>>>> [new_lb+resolver] error=0x7fa7c0000b90
>>>> {"created":"@1489597729.502672595","description":"No
>>>> load balancing policy","file":"src/core/ext/c
>>>> lient_config/client_channel.c","file_line":188}
>>>> D0315 17:08:52.737487943 19 dns_resolver.c:192] dns
>>>> resolution failed: {"created":"@1489597732.737457632","description":"OS
>>>> Error","errno":-2,"file":"src/core/lib/iomgr/resolve_address
>>>> _posix.c","file_line":115,"os_error":"Name or service not
>>>> known","syscall":"getaddrinfo","target_address":"myservice:50051"}
>>>> D0315 17:08:52.737695112 19 dns_resolver.c:201] retrying
>>>> immediately
>>>> D0315 17:08:52.737751585 19 connectivity_state.c:156] SET:
>>>> 0xaebb68 client_channel: TRANSIENT_FAILURE --> TRANSIENT_FAILURE
>>>> [new_lb+resolver] error=0x7fa7c0000bf0
>>>> {"created":"@1489597732.737742549","description":"No
>>>> load balancing policy","file":"src/core/ext/c
>>>> lient_config/client_channel.c","file_line":188}
>>>> D0315 17:08:56.890396846 20 dns_resolver.c:192] dns
>>>> resolution failed: {"created":"@1489597736.890373998","description":"OS
>>>> Error","errno":-2,"file":"src/core/lib/iomgr/resolve_address
>>>> _posix.c","file_line":115,"os_error":"Name or service not
>>>> known","syscall":"getaddrinfo","target_address":"myservice:50051"}
>>>> D0315 17:08:56.890592615 20 dns_resolver.c:201] retrying
>>>> immediately
>>>> D0315 17:08:56.890664375 20 connectivity_state.c:156] SET:
>>>> 0xaebb68 client_channel: TRANSIENT_FAILURE --> TRANSIENT_FAILURE
>>>> [new_lb+resolver] error=0x7fa7c0000b90
>>>> {"created":"@1489597736.890640201","description":"No
>>>> load balancing policy","file":"src/core/ext/c
>>>> lient_config/client_channel.c","file_line":188}
>>>> (etc in a seemingly infinite loop)
>>>>
>>>
>>
--
You received this message because you are subscribed to the Google Groups
"grpc.io" group.
To unsubscribe from this group and stop receiving emails from it, send an email
to [email protected].
To post to this group, send email to [email protected].
Visit this group at https://groups.google.com/group/grpc-io.
To view this discussion on the web visit
https://groups.google.com/d/msgid/grpc-io/CAHq3_RmHWtCcdj%2BudLKagR9EtXUuMOB--W1z1cvPce_7qJ3gfw%40mail.gmail.com.
For more options, visit https://groups.google.com/d/optout.
