[root@hogehoge ~]# strace -vvv -p $(pgrep -fo /jira/jira-ext/jira-ext-server) -tt
strace: Process 1397384 attached
09:57:55.020842 epoll_pwait(4, [{events=EPOLLIN, data={u32=3861462792, u64=140045565116168}}], 128, -1, NULL, 1535416738) = 1
09:59:02.309096 futex(0xe86078, FUTEX_WAKE_PRIVATE, 1) = 1
09:59:02.309244 futex(0xe85f98, FUTEX_WAKE_PRIVATE, 1) = 1
09:59:02.309309 accept4(3, {sa_family=AF_INET6, sin6_port=htons(49924), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::ffff:192.168.200.41", &sin6_addr), sin6_scope_id=0}, [112 => 28], SOCK_CLOEXEC|SOCK_NONBLOCK) = 7
09:59:02.309611 epoll_ctl(4, EPOLL_CTL_ADD, 7, {events=EPOLLIN|EPOLLOUT|EPOLLRDHUP|EPOLLET, data={u32=3861462552, u64=140045565115928}}) = 0
09:59:02.309818 getsockname(7, {sa_family=AF_INET6, sin6_port=htons(18443), sin6_flowinfo=htonl(0), inet_pton(AF_INET6, "::ffff:172.20.200.143", &sin6_addr), sin6_scope_id=0}, [112 => 28]) = 0
09:59:02.310094 setsockopt(7, SOL_TCP, TCP_NODELAY, [1], 4) = 0
09:59:02.310275 setsockopt(7, SOL_SOCKET, SO_KEEPALIVE, [1], 4) = 0
09:59:02.310363 setsockopt(7, SOL_TCP, TCP_KEEPINTVL, [15], 4) = 0
09:59:02.310554 setsockopt(7, SOL_TCP, TCP_KEEPIDLE, [15], 4) = 0
09:59:02.310653 futex(0xc000048d48, FUTEX_WAKE_PRIVATE, 1) = 1
09:59:02.310750 accept4(3, 0xc0000ad7a8, [112], SOCK_CLOEXEC|SOCK_NONBLOCK) = -1 EAGAIN (リソースが一時的に利用できません)
09:59:02.311129 futex(0xe84ba8, FUTEX_WAIT_PRIVATE, 0, NULL) = 0
09:59:02.316267 futex(0xe84ba8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (リソースが一時的に利用できません)
09:59:02.316376 futex(0xe84ba8, FUTEX_WAIT_PRIVATE, 0, NULL) = 0
09:59:02.316689 epoll_pwait(4, [{events=EPOLLIN|EPOLLOUT, data={u32=3861462552, u64=140045565115928}}], 128, 0, NULL, 0) = 1
09:59:02.316791 futex(0xc00048c148, FUTEX_WAKE_PRIVATE, 1) = 1
09:59:02.317142 newfstatat(AT_FDCWD, "/jira/jira-ext/db", {st_dev=makedev(0xfd, 0x3), st_ino=1006654260, st_mode=S_IFDIR|0755, st_nlink=2, st_uid=1001, st_gid=1001, st_blksize=4096, st_blocks=8, st_size=4096, st_atime=1697123821 /* 2023-10-13T00:17:01.503158921+0900 */, st_atime_nsec=503158921, st_mtime=1697109344 /* 2023-10-12T20:15:44.893002225+0900 */, st_mtime_nsec=893002225, st_ctime=1697109344 /* 2023-10-12T20:15:44.893002225+0900 */, st_ctime_nsec=893002225}, 0) = 0
09:59:02.319261 +++ exited with 1 +++
10月 13 09:59:02 hogehoge-server jira-ext-server[1397384]: 2023/10/13 09:59:02 resource temporarily unavailable
10月 13 09:59:02 hogehoge-server systemd[1]: jira-ext-server.service: Main process exited, code=exited, status=1/FAILURE
10月 13 09:59:02 hogehoge-server systemd[1]: jira-ext-server.service: Failed with result 'exit-code'.