pgsql运行一段时间后就无法查询使用,提示"server closed the connection"。 打开PostgreSQL\10\data\log目录下的日志文件,看到提示日志内容提示“对不起, 已经有太多的客户”。 解决方案 pgsql默认的连接数是100,可以将连接数设置大一些。 查询当前连接数: select count(1) from pg_stat_activity; 查询最大连接数 ...
2023-02-20 14:15:37.926 2023-02-20 14:15:37,926 [http-nio-80-exec-1459] WARN com.zaxxer.hikari.pool.PoolBase 173 - HikariPool-98 - Failed to validate connection org.postgresql.jdbc.PgConnection@5e029bbb (This connection has been closed.) 后来只好将idle_session_timeout恢复, 然后尝试扩大...
通过以下代码创建一个数据库连接对象: // 导入相关类importjava.sql.Connection;importjava.sql.DriverManager;importjava.sql.SQLException;publicclassConnectToPGSQL{publicstaticvoidmain(String[]args){// 数据库连接信息Stringurl="jdbc:postgresql://localhost:5432/database_name";Stringuser="username";Stringpasswo...
You’ll need to check that DATABASE_URL is defined and set to the “Internal Database URL” from the database page (also, the database & service need to be in the same region to use the internal connection). Alan nasser May 22, 2023, 9:16pm 3 This’...
So connection is not established. I'm not an experienced PostgreSQL user, but I have this module running on a pair of servers and it works finely. Please, make sure the user you defined in the username option has enough permission to read the global stats. Thanks for a great module. ...
port settings, and a layer of select * from (custom SQL) is added outside the custom SQL, where 1=0 is used to obtain column fields to avoid querying the entire table data. Before using the exec buffer of the copy method, the database connection is actively closed again using row....
which appears during the first 5-7 clicks after the database has been cleanly imported (dropped and imported) - PGSQL ERROR: FATAL: terminating connection due to administrator command server closed the connection unexpectedly This probably means the server terminated abnormally ...
PostgreSQL 出现“server closed the connection unexpectedly” 的错误,可能是网络连接不稳定或者服务器过载。 PostgreSQL 出现“could not write to temporary file: No space left on device” 的错误,可能是临时文件夹磁盘空间不足。 在使用 pg_dump 备份数据库时出现“pg_dump: [archiver (db)] connection to ...
<!-- Maximum time to wait for a dB connection to become available in ms, in this example 10 seconds. An Exception is thrown if this timeout is exceeded. Set to -1 to wait indefinitely. --> <parameter> <name>maxWait</name>
It's still get me this error: osm2pgsql SVN version 0.81.0 (64bit id space) Password: Error: Connection to database failed: could not connect to server: No such file or directory Is the server running locally and accepting connections on Unix domain socket "/tmp/.s.PGSQL.5432"?