[pgpool-general: 5072] "/tmp/.s.PGPOOLWD_CMD.9000" failed with reason: "Address already in use"

[Avi Weinberg]

Hi all,

The latest version of pgpool is giving me this error frequently. What might be causing it?

2016-10-25 13:02:50: pid 194501: LOG:  waiting for watchdog to initialize
2016-10-25 13:02:50: pid 194503: LOG:  setting the local watchdog node name to "Linux_postgres_server2_9999"
2016-10-25 13:02:50: pid 194503: LOG:  watchdog cluster configured with 1 remote nodes
2016-10-25 13:02:50: pid 194503: LOG:  watchdog remote node:0 on 172.18.255.42:9000
2016-10-25 13:02:50: pid 194503: LOG:  interface monitoring is disabled in watchdog
2016-10-25 13:02:50: pid 194503: LOG:  IPC socket path: "/tmp/.s.PGPOOLWD_CMD.9000"
2016-10-25 13:02:50: pid 194503: FATAL:  failed to create watchdog command server socket
2016-10-25 13:02:50: pid 194503: DETAIL:  bind on "/tmp/.s.PGPOOLWD_CMD.9000" failed with reason: "Address already in use"
2016-10-25 13:02:50: pid 194501: LOG:  watchdog child process with pid: 194503 exits with status 768
2016-10-25 13:02:50: pid 194501: FATAL:  watchdog child process exit with fatal error. exiting pgpool-II
2016-10-25 13:02:50: pid 194504: LOG:  setting the local watchdog node name to "Linux_postgres_server2_9999"
2016-10-25 13:02:50: pid 194504: LOG:  watchdog cluster configured with 1 remote nodes
2016-10-25 13:02:50: pid 194504: LOG:  watchdog remote node:0 on 172.18.255.42:9000
2016-10-25 13:02:50: pid 194504: LOG:  interface monitoring is disabled in watchdog
2016-10-25 13:02:50: pid 194504: LOG:  IPC socket path: "/tmp/.s.PGPOOLWD_CMD.9000"
2016-10-25 13:02:50: pid 194504: LOG:  watchdog node state changed from [DEAD] to [LOADING]
2016-10-25 13:02:50: pid 194504: LOG:  new watchdog node connection is received from "172.18.255.42:64491"
2016-10-25 13:02:50: pid 194504: LOG:  new outbond connection to 172.18.255.42:9000
2016-10-25 13:02:50: pid 194504: LOG:  watchdog node state changed from [LOADING] to [INITIALIZING]
2016-10-25 13:02:50: pid 194504: LOG:  Watchdog is shutting down
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