diff options
| author |  Mark D. Roth <roth@google.com> | 2017-10-10 15:02:43 -0700 |
|---|---|---|
| committer | Mark D. Roth <roth@google.com> | 2017-10-10 15:02:43 -0700 |
| commit | 0c11ebaa6c7e2cf0c1f49fc0f094ca9fe98c67e4 (patch) | |
| tree | 2274afde97f563524210b17e630b5dfc9c1fec8d /src/core/ext/filters/client_channel | |
| parent | 7ba40baeb1821fd312cb7d03c8e9e2383869120b (diff) | |
Fix crash when not able to create subchannel.
Diffstat (limited to 'src/core/ext/filters/client_channel')
| -rw-r--r-- | src/core/ext/filters/client_channel/lb_policy/subchannel_list.cc | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/core/ext/filters/client_channel/lb_policy/subchannel_list.cc b/src/core/ext/filters/client_channel/lb_policy/subchannel_list.cc index c30416d124..df23a32f97 100644 --- a/src/core/ext/filters/client_channel/lb_policy/subchannel_list.cc +++ b/src/core/ext/filters/client_channel/lb_policy/subchannel_list.cc @@ -129,6 +129,20 @@ grpc_lb_subchannel_list *grpc_lb_subchannel_list_create( grpc_subchannel *subchannel = grpc_client_channel_factory_create_subchannel( exec_ctx, args->client_channel_factory, &sc_args); grpc_channel_args_destroy(exec_ctx, new_args); + if (subchannel == NULL) { + // Subchannel could not be created. + if (GRPC_TRACER_ON(grpc_lb_round_robin_trace) || + GRPC_TRACER_ON(grpc_lb_pick_first_trace)) { + char *address_uri = + grpc_sockaddr_to_uri(&addresses->addresses[i].address); + gpr_log(GPR_DEBUG, + "[LB %p] could not create subchannel for address uri %s, " + "ignoring", + subchannel_list->policy, address_uri); + gpr_free(address_uri); + } + continue; + } grpc_error *error; // Get the connectivity state of the subchannel. Already existing ones may // be in a state other than INIT. |