[BE/CN] Start issue with regard to symbolic log dir

[kevincai]

BE/CN process refuses to start if the log directory is a symbolic link to other places.

I0513 13:33:51.905779 4142686 starrocks_be.cpp:169] BE start step 7: storage engine start bg threads successfully
I0513 13:33:51.911042 4142686 starlet_server.cc:74] Starlet grpc server started on 0.0.0.0:29070
I0513 13:33:51.911090 4142686 starrocks_be.cpp:173] BE start step8: staros worker init successfully
I0513 13:33:51.911096 4142686 starrocks_be.cpp:180] BE start step 9: datacache init successfully
I0513 13:33:51.911124 4143170 starlet.cc:103] Empty starmanager address, skip reporting!
I0513 13:33:51.911156 4142686 backend_base.cpp:78] StarRocksInternalService has started listening port on 29060
I0513 13:33:51.913081 4142686 thrift_server.cpp:380] BackendService has started listening port on 29060
I0513 13:33:51.913087 4142686 starrocks_be.cpp:195] BE start step 10: start thrift server successfully
I0513 13:33:51.924506 4142686 server.cpp:1069] Server[starrocks::BackendInternalServiceImpl<starrocks::PInternalService>+starrocks::LakeServiceImpl+starrocks::BackendInternalServiceImpl<doris::PBackendService>] is serving on port=28060.
I0513 13:33:51.924516 4142686 server.cpp:1072] Check out http://sandbox-cloudnative:28060 in web browser.
I0513 13:33:51.925523 4142686 starrocks_be.cpp:229] BE start step 11: start brpc server successfully
E0513 13:33:51.925938 4142686 starrocks_be.cpp:234] BE http server did not start correctly, exiting: create /home/disk4/caixiaohua/git-src/deploy/be/log recursive: Not a directory

total 219656
drwxr-xr-x 13 sr sr       4096 May 13 16:01 .
drwx------  9 sr sr       4096 May 13 16:01 ..
drwxr-xr-x  2 sr sr       4096 May 13 16:01 bin
drwxr-xr-x  2 sr sr       4096 May 13 14:54 block_cache
drwxr-xr-x  2 sr sr       4096 May 13 16:01 conf
-rw-------  1 sr sr 2506424320 May 13 15:12 core.6249
drwxr-xr-x  2 sr sr       4096 May 13 14:54 datadog
drwxr-xr-x 12 sr sr       4096 May 13 15:12 lib
lrwxrwxrwx  1 sr sr          9 May 13 14:57 log -> temp/log/
drwxrwxr-x  2 sr sr       4096 May 13 16:01 pprof
drwxr-xr-x  2 sr sr       4096 May 13 16:01 spill
drwxr-xr-x  8 sr sr       4096 May 13 16:04 storage
drwxr-xr-x  2 sr sr       4096 May 13 14:54 storage_ssd
drwxrwxr-x  3 sr sr       4096 May 13 14:57 temp
drwxr-xr-x  3 sr sr       4096 May 13 14:54 www

Version:

main branch, 9cc958a

[kevincai]

introduced in PR be/src/service/service_be/http_service.cpp

force config::pprof_profile_dir to be a regular directory

@srlch