hadoop - BOSH hadoop-release 错误

Question

我正在尝试在本地 VM 上的 BOSH-lite 中部署 hadoop-release，部署时我收到 Error while reserving job: PG::Error: could not connect to server: Connection refused
服务器是否在主机“127.0.0.1”上运行并接受
5432 上的 TCP/IP 连接？

Answer 1

PostgreSQL 似乎 没有在您的 BOSH lite 上运行。我想检查一下。请你ssh vcap@192.168.50.4(密码c1oudc0w)并输入ss -ltn并确认postgres端口(5432)已绑定(bind):

LISTEN      0    128                 127.0.0.1:5432        *:*

并且 postgres 正在运行 ps auxwww | grep postgres:

vcap      1453  0.1  0.1  56728  7344 ? S<   13:30   0:00 /var/vcap/data/packages/postgres/4b9f6514001f7c3f7d4394920d6aced9435a3bbd-6cb375e19ce352db095a4b18cf4c56b2bf9b952f/bin/postgres -D /var/vcap/store/postgres -h 127.0.0.1 -p 5432
vcap      1566  0.0  0.0  56728  3368 ? S<s  13:30   0:00 postgres: writer process
vcap      1567  0.0  0.0  56728  2280 ? S<s  13:30   0:00 postgres: wal writer process
vcap      1568  0.0  0.0  57688  4600 ? S<s  13:30   0:00 postgres: autovacuum launcher process
vcap      1569  0.0  0.0  19772  3012 ? S<s  13:30   0:00 postgres: stats collector process
vcap      1845  0.0  0.1  58880  9204 ? S<s  13:30   0:00 postgres: bosh bosh 127.0.0.1(36956) idle