This question was also asked on github, so linking to the discussion for future searchers: https://github.com/grpc/grpc/issues/17075
On Wednesday, October 31, 2018 at 10:10:44 AM UTC-7, Stefan Seefeld wrote: > > > Hello, > > I'm using the C++ API to write an RPC server, following the provided > example code: > ``` > std::string server_address("0.0.0.0:50051"); > GreeterServiceImpl service; > ServerBuilder builder; > builder.AddListeningPort(server_address, > grpc::InsecureServerCredentials()); > builder.RegisterService(&service); > std::unique_ptr<Server> server(builder.BuildAndStart()); > server->Wait(); > ``` > > whenever another process is already using the above address, this code > results in a segfault, with this error being printed out: > > E1031 13:01:42.858837542 17537 server_chttp2.cc:40] > {"created":"@1541005302.858452834","description":"No address added out of > total 1 > resolved","file":"/home2/shenderson/GRPC/Google/grpc/git/grpc/src/core/ext/transport/chttp2/server/chttp2_server.cc","file_line":307,"referenced_errors":[{"created":"@1541005302.858443799","description":"Failed > > to add any wildcard > listeners","file":"/home2/shenderson/GRPC/Google/grpc/git/grpc/src/core/lib/iomgr/tcp_server_posix.cc","file_line":324,"referenced_errors":[{"created":"@1541005302.858395680","description":"Unable > > to configure > socket","fd":5,"file":"/home2/shenderson/GRPC/Google/grpc/git/grpc/src/core/lib/iomgr/tcp_server_utils_posix_common.cc","file_line":214,"referenced_errors":[{"created":"@1541005302.858378854","description":"OS > > Error","errno":98,"file":"/home2/shenderson/GRPC/Google/grpc/git/grpc/src/core/lib/iomgr/tcp_server_utils_posix_common.cc","file_line":187,"os_error":"Address > > already in > use","syscall":"bind"}]},{"created":"@1541005302.858442040","description":"Unable > > to configure > socket","fd":5,"file":"/home2/shenderson/GRPC/Google/grpc/git/grpc/src/core/lib/iomgr/tcp_server_utils_posix_common.cc","file_line":214,"referenced_errors":[{"created":"@1541005302.858431608","description":"OS > > Error","errno":98,"file":"/home2/shenderson/GRPC/Google/grpc/git/grpc/src/core/lib/iomgr/tcp_server_utils_posix_common.cc","file_line":187,"os_error":"Address > > already in use","syscall":"bind"}]}]}]} > Segmentation fault (core dumped) > > I understand that the error stems from an unsuccessful socket bind. What I > don't understand is whether I should check some error condition in my own > code above, or whether it's the gRPC implementation that wrongly ignores > this error internally, later causing the crash. > > I'm running gRPC 1.14.0 (on Linux). > > Is this a known issue ? > > Thanks, > Stefan > -- 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 grpc-io+unsubscr...@googlegroups.com. To post to this group, send email to grpc-io@googlegroups.com. 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/a3609cd3-5e40-41e2-81c3-80de13febdfa%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.