org.postgresql.util.PSQLException: This connection has been closed 是PostgreSQL JDBC 驱动抛出的异常,表明你尝试在一个已经关闭的数据库连接上执行操作。以下是对该问题的详细分析和解决步骤: 1. 确认异常信息 该异常确实来自 PostgreSQL JDBC 驱动,通常表明数据库连接已经不可用
I'm using the JDBC driver to sink Postgresql, and when Postgresql stops It says that "This connection has been closed". When Postgresql starts again the sink doesn't work and it doesn't reconnect. To Reproduce Steps to reproduce the behavior: Start Postgresql and Pulsar Set JDBC Postgresql ...
pool.PoolBase : HikariPool-1 - Failed to validate connection org.postgresql.jdbc.PgConnection@9faf6ae (This connection has been closed.) 2018-09-27 16:44:00.934 WARN 9085 --- [nio-8081-exec-4] com.zaxxer.hikari.pool.PoolBase : HikariPool-1 - Failed to validate connection org.postgresql...
cp-r/usr/local/pgsql/data/media/ 但需要注意的是,此种方式由于比较直接,不管是否数据库有无IO情况,因此,备份的时候需要先停止数据库,恢复的时候要删除原数据库文件,重新覆盖回去后,才可以在启动数据库,如果在数据库启动的时候备份,那么,可能会造成数据备份不全,也可以理解为冷备方式。 物理备份的恢复 代码语言...
轻车熟路,连接归还是通过Connection的代理对象重写close方法完成的,通过前面的学习我们已经知道Connectin的代理对象是DruidPooledConnection,所以我们直接看DruidPooledConnection的close方法。 ### DruidPooledConnection#close 直接上代码: ``` public void close() throws SQLException { if...
Has patch:否Needs documentation:否 Needs tests:否Patch needs improvement:否 Easy pickings:否UI/UX:否 Pull Requests:How to create a pull request 描述¶ I have 1.6.5 django with psycopg 2.5.3. This exception happened when connection was closed by postgres. ...
transmitted data may remain unacknowledged before a connection is forcibly closed. A value of zero uses the system default. This parameter is ignored for connections made via a Unix-domain socket. It is only supported on systems where TCP_USER_TIMEOUT is available; on other systems, it has ...
Have you searched the CLOSED issues already?Yes How about checkingstackoverflow?Yes In both of these I didn't really find the same issue. I am having the following error with HikariCP, saying that the ResultSet is closed, and this happens when I try to get a connection out of the pool...
The app loses connection when I switch to notes or something to copy over some text. The results page cannot be rebooted or closed and the reconnecting process hangs up. So I have to logout from the server and start over. Is this a bug? 更多 Copyright...
问测试容器,hikari和验证连接org.postgresql.jdbc.PgConnection失败EN监控空闲连接数 ,活动连接,总连接数...