在postgre数据库上不断运行作业的麻烦，永远不会完成。
我已尝试以下操作来修复它：
/etc/init.d/postgresql restart
postgresql.service - PostgreSQL RDBMS
Loaded: loaded (/lib/systemd/system/postgresql.service; enabled)
Active: active (exited) since Fri 2015-10-16 10:06:04 UTC; 9s ago
Process: 6787 ExecStart=/bin/true (code=exited, status=0/SUCCESS)
Main PID: 6787 (code=exited, status=0/SUCCESS)
CGroup: /system.slice/postgresql.service
/etc/init.d/pgagent restart
pgagent.service - Postgres Job Agent Daemon
Loaded: loaded (/lib/systemd/system/pgagent.service; enabled)
Active: active (running) since Fri 2015-10-16 10:06:04 UTC; 1min 48s ago
Main PID: 6793 (pgagent)
CGroup: /system.slice/pgagent.service
└─6793 /usr/bin/pgagent -f -l 2 -s /var/log/pgagent hostaddr=localhost dbname=postgres user=postgresext
Oct 16 10:07:00 m-t-db-01 pgagent[6793]: *** Caught unhandled unknown exception; terminating
Oct 16 10:07:50 m-t-db-01 pgagent[6793]: *** Caught unhandled unknown exception; terminating
尝试在pgagent vim /etc/default/pgagent
EXTRA_OPTS="-f -l 2 -s /var/log/pgagent hostaddr=localhost dbname=postgres user=postgresext"
在/var/log/pgagent日志中我只看到：
ERROR: Failed to query jobs table!
DEBUG: Creating primary connection
DEBUG: Connection Information:
DEBUG: user : postgresext
DEBUG: port : 0
DEBUG: host : localhost
DEBUG: dbname : postgres
DEBUG: password :
DEBUG: conn timeout : 0
DEBUG: Connection Information:
DEBUG: user : postgresext
DEBUG: port : 0
DEBUG: host : localhost
DEBUG: dbname : postgres
DEBUG: password :
DEBUG: conn timeout : 0
DEBUG: Creating DB connection: user=postgresext host=localhost dbname=postgres
DEBUG: Database sanity check
DEBUG: Clearing zombies
DEBUG: Checking for jobs to run
DEBUG: Sleeping...
DEBUG: Clearing inactive connections
DEBUG: Connection stats: total - 1, free - 0, deleted - 0
DEBUG: Checking for jobs to run
DEBUG: Sleeping...
DEBUG: Creating primary connection
DEBUG: Connection Information:
DEBUG: user : postgresext
DEBUG: port : 0
DEBUG: host : localhost
DEBUG: dbname : postgres
DEBUG: password :
DEBUG: conn timeout : 0
DEBUG: Connection Information:
DEBUG: user : postgresext
DEBUG: port : 0
DEBUG: host : localhost
DEBUG: dbname : postgres
DEBUG: password :
DEBUG: conn timeout : 0
DEBUG: Creating DB connection: user=postgresext host=localhost dbname=postgres
DEBUG: Database sanity check
DEBUG: Clearing zombies
DEBUG: Checking for jobs to run
DEBUG: Sleeping...
DEBUG: Clearing inactive connections
DEBUG: Connection stats: total - 1, free - 0, deleted - 0
DEBUG: Checking for jobs to run
DEBUG: Sleeping...
DEBUG: Clearing inactive connections
DEBUG: Connection stats: total - 1, free - 0, deleted - 0
DEBUG: Checking for jobs to run
DEBUG: Creating job thread for job 8
DEBUG: Creating DB connection: user=postgresext host=localhost dbname=postgres
DEBUG: Allocating new connection to database postgres
DEBUG: Starting job: 8
DEBUG: Creating job thread for job 5
DEBUG: Creating DB connection: user=postgresext host=localhost dbname=postgres
DEBUG: Allocating new connection to database postgres
DEBUG: Starting job: 5
DEBUG: Creating DB connection: user=postgresext host=localhost dbname=postgres dbname=testdb
DEBUG: Sleeping...
DEBUG: Allocating new connection to database testdb
DEBUG: Executing SQL step 23 (part of job 8)
DEBUG: Creating DB connection: user=postgresext host=localhost dbname=postgres dbname=testdb
DEBUG: Allocating new connection to database testdb
DEBUG: Executing SQL step 15 (part of job 5)
DEBUG: Checking for jobs to run
DEBUG: Sleeping...
DEBUG: Clearing inactive connections
DEBUG: Connection stats: total - 5, free - 0, deleted - 0
DEBUG: Checking for jobs to run
DEBUG: Sleeping...
DEBUG: Destroying job thread for job 8
DEBUG: Clearing inactive connections
DEBUG: Connection stats: total - 5, free - 0, deleted - 0
DEBUG: Checking for jobs to run
DEBUG: Sleeping...
DEBUG: Clearing inactive connections
DEBUG: Connection stats: total - 5, free - 0, deleted - 0
DEBUG: Checking for jobs to run
DEBUG: Sleeping...
DEBUG: Clearing inactive connections
DEBUG: Connection stats: total - 5, free - 0, deleted - 0
DEBUG: Checking for jobs to run
DEBUG: Sleeping...
DEBUG: Clearing inactive connections
DEBUG: Connection stats: total - 5, free - 0, deleted - 0
DEBUG: Checking for jobs to run
DEBUG: Sleeping...
vim /var/log/postgresql/postgresql-9.4-main.log我只看到：
[unknown]@[unknown] LOG: incomplete startup packet
LOG: MultiXact member wraparound protections are now enabled
LOG: database system is ready to accept connections
LOG: autovacuum launcher started
postgresext@postgres LOG: could not receive data from client: Connection reset by peer
postgresext@testdb LOG: could not receive data from client: Connection reset by peer
postgresext@postgres LOG: could not receive data from client: Connection reset by peer
postgresext@postgres LOG: could not receive data from client: Connection reset by peer
postgresext@testdb LOG: could not receive data from client: Connection reset by peer
postgresext@postgres LOG: could not receive data from client: Connection reset by peer
postgresext@postgres LOG: could not receive data from client: Connection reset by peer
postgresext@testdb LOG: could not receive data from client: Connection reset by peer
postgresext@testdb LOG: could not receive data from client: Connection reset by peer
postgresext@testdb LOG: could not receive data from client: Connection reset by peer
postgresext@postgres LOG: could not receive data from client: Connection reset by peer
我无法弄清楚实际问题是什么以及如何解决它？
我调查的另一件事是pgagent[6793]: *** Caught unhandled unknown exception; terminating可以通过错误的连接终止来调用...
答案 0 :(得分：0)
回答这个问题有点晚了，但是在使用pgAgent时遇到了同样的问题，它只会导致挫败感。我甚至试图深入挖掘修复它的源代码，但只是试图让它在我的服务器上进行编译是一个彻头彻尾的噩梦，因为它需要依赖（没有充分的理由）。
因此，考虑到这一点，我决定为Postgres编写一个新的作业调度程序，以替代pgAgent。它被称为jpgAgent，我已经在我的公司使用它几个月了，完全没有任何问题。现在我们使用jpgAgent时更加稳定，不必担心代理会随机停止我们的工作，并且工作没有像他们应该的那样运行，而以前这是一个常见的问题。
无论如何，希望它可以帮助你。